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9	Risk Assessment

9.1	COMPONENT LEAD TIME

The normal component lead time Quectel can achieve is 8 weeks, but Quectel can not assure the component lead time to be as short as 8 weeks. Quectel will try its best during the design to shorten the component lead time to 8 weeks, but the component lead time in market is out of the control of Quectel.

It is Quectel’s responsibility to purchase adequate stock of components and material to ensure engineering devices can be fabricated, but it is ActiveCare’s responsibility to place orders for more devices for field trial, marketing promotion and volume sale, etc.

 

9.2	BLUETOOTH FUNCTION RANGE

The Class 1 Bluetooth communication range needs to be 100 meters in open area. For the real Bluetooth communication range will highly depend on the communication environment, the communication range could be less than 100 meters in some special environment such as a building made of reinforced concrete.

 

10

Options

10.1	SCHEDULE ACCELERATION

 

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11	Unit Price for Devices and Production Delivery Payment

Normally the Senior Care Wrist Device, Senior Care Companion Device, Docking Station and related accessory are provide as a set at price of US $160.00 FOB SHANGHAI. The packaging list is as following table:

Item	Note
Senior Care Wrist Device with battery built in
Senior Care Companion Device
Docking Station
Battery for Senior Care Companion Device
Charger for Senior Care Companion Device (for both docking station and travel)

Note: The travel charger for Wrist device are not included

For production delivery, ActiveCare need to put purchase order in advance and pay some percentage of total delivery value as deposit, then Quectel will arrange to purchase component and material. Detail payment arrangement for production delivery payment will defined in another agreement between ActivcCare and Quectel.

 

12	MOQ and Lead-time

MOQ (Minimum Order Quantity) for the Senior Care Devices is 2,000 pieces per order. The normally lead-time for material purchasing is 8 weeks, there is also extra 1-2 weeks for manufacturing and export. So the lead-time for purchase order to delivery will be about 9-10 weeks. Quectel will try his best to meet or even shorten this delivery lead-time, but Quectel can not warranty this lead-time for the lead-time of material purchasing in market will change at different time point and is not under control of Quectel.

Strategic procurement may be necessary due to long lead-time components or materials, or EOL of any critical components after years of runing.  In such an event, Quectel will inform Active, Inc. as early as possible to the lead-times for these items so that Activecare can purchase them in a timely manner.  This will minimize any potential impact on the production delivery schedule.

 

13	Warranties By QUECTEL

ActiveCare has all responsibilities for after sales services. And Quectel shall provide 2% CBU (Complete build units) free of charge of total product revenues purchased by Buyer for his after

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sales services. Spare parts for after sales services other than 2% of warranty service revenues are purchased by ActiveCare’s own cost regarding spare parts price offered from Quectel. The spare parts price should be reasonable, meaning at factory cost +2%, as ActiveCare well as any such other repair and/or software flashing equipment provided by Quectel to and actual cost +5%. Quectel will provide ActiveCare with a full documentation set per device to enable ActiveCare to repair devices at the Active’s repair center. If ActiveCare want return default devices to Quectel to be repaired, Quectel will charge for the manual labor and all delivery cost is direct responsibility of ActiveCare.

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Appendix A - Product Definition for ActiveOne+

Issue Date: 2009-10-20

Status: Rev. 8

 

1.0

Overview

 

The purpose of this document is to provide a vision for the function of the product and its use by the elder client, post operative patient, or those requiring home-based assistance.  This document will be used to develop the product and functional specifications.  It will also drive the industrial design effort to create a product design that is nicely styled, functional, and accommodating to the user.  The goal is to develop a product platform that will be well-received in the marketplace and can go head-to-head with the competition’s current or next generation offerings.

2.0	Definition of User

2.1.

The end user may be an elderly customer who is experiencing some symptoms of aging that result in a decrease in certain abilities These impairments may be in the following categories:

2.1.1.

Vision – A decrease in the ability to see objects close by both with or without glasses making it a challenge to read the text on an LCD screen.  A reduction in melanin accompanies age progression resulting in the need for increased illumination or contrast to see details such as product graphics (labels) for buttons.

2.1.2.

Hearing – A decrease in hearing ability in one or both ears would require an increase in volume for spoken messages from the device.  Some older adults also experience hearing distortion or have difficulty with auditory discrimination (the ability to separate conversation from background noise).  Some clients may use hearing devices to correct their auditory deficiencies but may not always be wearing the device(s) or have the volume set for a normal level of conversation.  Compatibility of the ActiveCare+ device with hearing aids will be important.

2.1.3.

Hand strength and dexterity – There are many causes of loss of dexterity in the fingers and hands.  Arthritis, stroke, muscle atrophy, disease, the effects of medication, and others all impede dexterity and limit the ability of the user to find and press a button, for example.  The ability of a finger to exert an acceptable force level may be restricted or to maintain the force consistently.  A fluttering of the finger could induce multiple depressions of the actuator button when a single actuation was intended.

2.1.4.

Mobility – Clients may typically experience a reduction in mobility due to disease and the aging function.  Therefore, if the companion device is left in the docking station, the client will be unable to access it in an emergency due to limited mobility, and the wrist device will be the sole means of communication to the Call Center or 911.  As part of the mobility issue, balance will also be affected.  Even a simple task such as reaching with one hand across the body to the wrist device on the opposite hand could cause an imbalance and risk of falling if the client is standing and supported by a cane or by holding onto a wall for stability.

2.1.5.

Skin sensitivity – As we age, our skin gets thinner and we are more easily bruised even performing normal activities.  A wrist device could cause bruising even when worn normally so the shape of the back surface of the device, the device weight, and the wrist band design, tightness and accommodation are important considerations.  If the wrist device is worn in the shower or bath, soap and moisture could accumulate between the device and the skin and later cause a rash or irritation.  Material selection and surface texture are other considerations for skin sensitivity.

  

 

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2.1.6.

Cognitive processing – Clients are likely to experience some mental processing issues from time-to-time which may appear as delayed reactions or confusion.  Especially after a fall or when “under pressure” to respond to a voice prompt, confusion could delay the wearer from taking the appropriate action.  Sometimes the wrong button could be pressed, the message misunderstood, or no action taken at all.  If the client considers the system difficult to use during everyday activities or confusing in its operation, this feeling may translate into one of annoyance for the device.  As a result, the client may stop wearing the device and utilizing the service.

2.2.

Keeping all of the above considerations in mind throughout the development process, we will seek to make the device as easy to use and understand as possible for the elder adult, post operative patient, or those requiring home-based assistance.

3.0	Definition of Wrist Device

3.1.

Physical Characteristics

3.1.1.

The wrist device will be of a size, shape and weight suitable for an adult to wear on their wrist both day and night, 24 hours per day.

3.1.1.1.

Dimensions shall not exceed:  TBD (dependent on size of operating components)

3.1.1.2.

The shape of the device will enable a comfortable wearing experience

3.1.1.3.

Weight shall not exceed:  TBD (partially dependent on weight of operating components)

3.1.2.

The wrist device will be secured by a strap which is adjustable by the user or by a care provider for fine adjustments.  Coarse adjustments (the initial fitting) may be performed by a technician or other qualified individual.

3.1.2.1.

In use, the wrist device may be secured on either the right or left wrist allowing the user to see the time display and graphics next to the LEDs.

3.1.2.2.

The strap shall be adjustable to accommodate a range of wrist diameters from TBD to TBD

3.1.3.

Material selection for the device case and band

3.1.3.1.

The case and strap shall be made of materials that are comfortable for extended wear, resistant to perspiration,  and do not encourage the growth of bacteria

3.1.3.2.

The case, strap, and decoration or graphics shall be made of materials that are cleanable and waterproof

3.1.3.3.

The case, strap, and decoration or graphics shall be made of materials that are resistant to scratches and abrasion

3.1.3.4.

The case, strap, and decoration or graphics shall be made of materials that are colorfast and resistant to the aging effects from exposure to UV or IR radiation

 

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3.1.3.5.

The case, strap, and any decoration or fittings shall be made of materials that do not oxidize

3.1.4.

Industrial design of the wrist device

3.1.4.1.

The design effort is underway and will involve several iterations and opportunities for review and comment.  One or more formal or informal focus groups with elder adults may be held to solicit feedback on the design and user interface

3.1.4.2.

Graphics, decoration, and labeling will be identified as the industrial design for the wrist device is developed (3.1.4.1)

3.1.5.

Battery module

3.1.5.1.

A build in battery module will be supplied;

3.1.5.2.

The battery will be capable of being removed and replaced by the service technician

3.1.5.3.

The battery module will be recharged through a two point contact connector on the case of wrist device

3.1.6.

Ingress Protection Standard

3.1.6.1.

The wrist device will be built and tested to meet the IP67 standard (commonly referred to as “waterproof”)

3.1.7.

Firmware updates

3.1.7.1.

Firmware updates will be provided through connection with a special fixture to be used by technicians

3.1.7.2.

Five contact points (with three (3) contact points for firmware upgrade and two (2) for recharging) will be provided for technician use

3.1.8.

Time display

3.1.8.1.

The current, local time shall be displayed on an LCD screen on the wrist device

3.1.8.2.

The display shall be digital with numerals of at least TBD mm in height

3.1.8.3.

The LCD screen shall provide a minimal brightness of TBD

3.1.8.4.

The correct time will be set automatically by the companion device

3.2.

User interface (functions and alarms) for the wrist device

3.2.1.

Buttons and switches

3.2.1.1.

Power button:  A single actuation of one (1) second minimum shall activate power “on.”  A single actuation of three (3) seconds minimum shall deactivate the device (power “off”)

3.2.1.1.1.

The minimum force required to actuate the Power button shall be TBD when measured at the center of the button.

3.2.1.1.2.

The color of the Power button shall be TBD (color molded in, not painted)

3.2.1.1.3.

The size of the Power button shall be a minimum of TBD sq. cm

3.2.1.2.

Care button:  A single actuation will initiate a call sequence to the Care Center.  A minimum actuation of two (2) seconds shall initiate the call.  There is no maximum duration, however the call will be initiated after two (2) seconds of actuation, and continued actuation of the button will not delay the processing or connection of the call

3.2.1.2.1.

The minimum force required to actuate the Care button shall be TBD when measured at the center of the button.

3.2.1.2.2.

The color of the Care button shall be TBD (color molded in, not painted)

3.2.1.2.3.

The size of the Care button shall be a minimum of TBD sq. cm

 

 

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3.2.1.2.4.

The Care button shall have two raised dots molded onto its face to simulate the letter “C” in Braille

3.2.1.3.

Cancel button:  A single actuation of a minimum of one (1) second shall cancel a call or terminate the Fall Detection notification

3.2.1.3.1.

The Cancel button shall be smaller in size than the Care button and a minimum of TBD sq. cm

3.2.1.3.2.

The color of the Cancel button shall be TBD (color molded in, not painted)

3.2.1.3.3.

The Cancel button will require a minimum force of TBD for actuation, to be measured at the center of the button

3.2.1.4.

911 emergency dialing

3.2.1.4.1.

Actuation of the Cancel button for five (5) seconds shall initiate a call to 911 emergency services but only after the Care button has been actuated in sequence

3.2.1.5.

A tactile feedback from all buttons shall be provided

3.2.2.

Audible verbal messages

3.2.2.1.

All messages to be recorded in American English with a female voice

3.2.2.2.

The wrist device shall be capable of presenting an audible verbal message at a minimum of 80dBa as measured at a distance of one (1) meter

3.2.2.3.

The volume shall be fixed at this level (not adjustable through the wrist or companion devices)

3.2.2.4.

Initial actuation of the Power button (3.2.1.1) initiates a verbal message indicating the device is powered “on”:  “Welcome to ActiveOne Plus”

3.2.2.5.

Secondary actuation of the Power button (3.2.1.1) initiates a verbal message indicating the device is powering “off” and shutting down:  “ActiveOne Plus is shutting down.  Goodbye”

3.2.2.6.

When a Fall Detection condition is identified, a verbal message of “fall detected”” will be repeated during the ten (10) second delay before a call is placed to the Care Center

3.2.2.7.

Upon actuation of the Care button, a verbal message of “calling Care Center” will repeat until the call is connected to the Care Center

3.2.2.8.

Upon actuation of the Cancel button, a verbal message of “call cancelled” shall be spoken two (2) times to acknowledge the command

3.2.2.9.

When an “Out of Range” condition is identified, a verbal message of “Out of Range” shall be stated one (1) time and shall be repeated once every 60 seconds until the condition ceases.

3.2.2.10.

When the Cancel button is actuated for five (5) seconds to initiate a 911 call, a verbal message of “Press Care button to call 911 emergency services” shall be repeated two (2) times or the message shall stop when the Cancel button is actuated

3.2.3.

Vibration mode messages

3.2.3.1.

A vibration “message” shall be initiated upon the following conditions:  Fall Detection, an incoming call, low battery power, a message is waiting on the companion device, and the wrist device is out of range of the companion device

3.2.3.2.

The level of vibration will be a minimum magnitude of TBD and a frequency of TBD to be measured on the rear surface of the wrist device

 

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3.2.3.3.

The vibration “message” shall consist of a one (1) second duration activation followed by a one (1) second deactivation of the vibration generator.  The “message” cycle will repeat on/off in this fashion per the following requirements

3.2.3.3.1.

The vibration “message” for Fall Detection shall cease when the Care Center call is connected or the “Cancel” button actuated

3.2.3.3.2.

The vibration “message” for “incoming call” shall cease when the Care Center call is connected

3.2.3.3.3.

The vibration “message” for “low battery power” shall cycle three (3) times then rest for 60 seconds and shall continue to cycle in this manner until the battery module is removed (for recharging) or the wrist device is placed into the base station for recharging

3.2.3.3.4.

The vibration “message” to indicate that a message is waiting on the companion device shall cycle two (2) times then rest for three (3) minutes and shall continue to cycle in this manner until the message is acknowledged on the companion device

3.2.3.3.5.

The vibration “message” to indicate that the wrist device is out of range shall cycle three (3) times then rest for 60 seconds and shall continue to cycle in this manner until the condition ceases

3.2.4.

Three (3) light emitting diodes (LEDs) will be provided to indicate device status

3.2.4.1.

Green blinking will indicate that the wrist device is powered “on.” The LED will cycle with a frequency of one (1) second “on”, five (5) seconds “off”

3.2.4.2.

Green blinking will indicate that the device is properly positioned in the base station and is charging.  The LED will cycle with a frequency of one (1) second “on,” one (1) second “off”

3.2.4.3.

Green continuous will indicate that the device is fully charged

3.2.4.4.

Red blinking will indicate that the device has “no signal” and is not communicating with the companion device.  The LED will cycle with a frequency of one (1) second “on”, two (2) seconds “off” and will cycle in this mode until a connection is restored

3.2.4.5.

Red continuous will indicate a “low battery condition” and signal an imminent need for charging or battery replacement

3.2.4.6.

Red and yellow blinking together will indicate that a fall has been detected.  The red and yellow LEDs shall oscillate opposite each other with a frequency of one (1) second “on”, one (1) second “off” until the Care Center call has been received or the “Cancel” button actuated

3.2.4.7.

Yellow blinking will indicate that a message has been sent by the Care Center and received by the companion device.  The LED will cycle with a frequency of one (1) second “on”, five (5) seconds “off” until the message has been acknowledged on the companion device

3.2.5.

Upon insertion of the wrist device into the docking station or travel charger and proper connection with the charging system, a ”beep” will be issued by the wrist device

4.0	Companion Device

 

4.1.

Physical Characteristics

 

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4.1.1.

The companion device will be of a size, shape and weight suitable for an adult to wear in a holster and to place into the “cradle” of a base station

4.1.1.1.

Dimensions shall be approximately the same as the GT300 device

4.1.1.2.

The shape of the device will be similar to the GT300 device

4.1.1.3.

Weight shall not exceed:  TBD

4.1.2.

The companion device will be supplied with a holster

4.1.2.1.

The holster will have a clip for attaching to a belt or purse strap

4.1.3.

Material selection for the device case and holster

4.1.3.1.

The case and holster shall be made of materials that are resistant to perspiration  and do not encourage the growth of bacteria

4.1.3.2.

The case and decoration or graphics shall be made of materials that are cleanable and water resistant

4.1.3.3.

The case and decoration or graphics shall be made of materials that are resistant to scratches and abrasion

4.1.3.4.

The case  and decoration or graphics shall be made of materials that are colorfast and resistant to the aging effects from exposure to UV or IR radiation

4.1.3.5.

The case, holster, and any decoration or fittings shall be made of materials that do not oxidize

4.1.4.

Industrial design of the companion device

4.1.4.1.

The design effort is underway and will involve several iterations and opportunities for review and comment.  One or more formal or informal focus groups with elder adults may be held to solicit feedback on the design and user interface

4.1.4.2.

Since the companion device will be built upon the GT300 layout, button location and other components for the companion device will be located in the same approximate locations as on the GT300

4.1.4.3.

Graphics, decoration, and labeling will be identified as the industrial design for the companion device is developed

4.1.5.

Firmware updates

4.1.5.1.

The companion device will include a mini-USB connector to allow factory programming and firmware updates in the field

4.1.5.2.

An attached  cover over the mini-USB connector port on the companion device is suggested to prevent accumulation of debris

4.1.5.3.

The mini-USB connector will not be used in the base station  (docking station) to recharge the device battery

4.1.6.

Location signal to Care Center

4.1.6.1.

When placed into the base station (docking station), the companion device will sense that recharging has been initiated and will send a signal to the Care Center.  (The signal will indicate that the companion device is in a known location at the user’s address which will be on file in the Care Center)

4.1.7.

Ingress Protection Standard

4.1.7.1.

The companion device will not be built to an IPXX standard

4.2.

User interface (functions and alarms) for the companion device

4.2.1.

Buttons and switches

 
 

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4.2.1.1.

Power button:  A single actuation of one (1) second minimum shall activate power “on.”  A single actuation of three (3) seconds minimum shall deactivate the device (power “off”)

4.2.1.2.

Volume buttons:  Each actuation of the Volume “up” or Volume “down” buttons will increase or decrease the volume level of the speaker by 4dBa (TBD)

4.2.1.3.

The Volume buttons will provide a progression of increasing or decreasing the volume level with a minimum of 5 steps (actuations)

4.2.1.4.

Care button:  A single actuation will initiate a call sequence to the Care Center after a minimum actuation of two (2) seconds

4.2.1.4.1.

The minimum force required to actuate the Care button shall be TBD when measured at the center of the button.

4.2.1.4.2.

The color of the Care button shall be TBD (color molded in, not painted)

4.2.1.4.3.

The size of the Care button shall be a minimum of TBD sq. cm

4.2.1.4.4.

The Care button shall have two raised dots molded onto its face to simulate the letter “C” in Braille

4.2.1.5.

Cancel button:  A single actuation of a minimum of one (1) second shall cancel a call, terminate the Fall Detection notification, or acknowledge and delete a message sent by the Care Center

4.2.1.5.1.

The Cancel button shall be smaller in size than the Care button and a minimum of TBD sq. cm

4.2.1.5.2.

The color of the Cancel button shall be TBD (color molded in, not painted)

4.2.1.5.3.

The Cancel button will require a minimum force of TBD for actuation, to be measured at the center of the button

4.2.1.6.

911 emergency dialing

4.2.1.6.1.

Actuation of the Cancel button for five (5) seconds shall initiate a call to 911 emergency services but only after the Care button has been actuated in sequence

4.2.1.7.

A tactile feedback from all buttons shall be provided

4.2.2.

Audible verbal messages

4.2.2.1.

All messages to be recorded in American English with a female voice

4.2.2.2.

The companion device shall be capable of presenting an audible verbal message at a minimum of 80dBa as measured at a distance of 1 meter.

4.2.2.3.

Initial actuation of the Power button (4.2.1.1) initiates a spoken message indicating the device is powered “on”:  “Welcome to ActiveOne Plus”

4.2.2.4.

Secondary actuation of the Power button (4.2.1.1) initiates a spoken message indicating the device is powering “off” and shutting down:  “ActiveOne Plus is shutting down.  Goodbye”

4.2.2.5.

Each actuation of the Volume “up” button will initiate a verbal message of “louder” spoken at the volume corresponding to the new level selected

4.2.2.6.

Each actuation of the Volume “down” button will initiate a verbal message of “softer” spoken at the volume corresponding to the new level selected

4.2.2.7.

When a Fall Detection condition is identified, a verbal message of “fall detected” will be repeated during the ten (10) second delay before a call is placed to the Care Center

4.2.2.8.

Upon actuation of the Care button, a verbal message of “Calling Care Center” will repeat until the call is connected to the Care Center

 

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4.2.2.9.

Upon actuation of the Cancel button, a verbal message of “call cancelled” shall be spoken two (2) times to acknowledge the command

4.2.2.10.

When the Cancel button is actuated for five (5) seconds to initiate a 911 call, a verbal message of “Press Care button to call 911 emergency services” shall be repeated two (2) times or the message shall stop when the Cancel button is actuated

4.2.3.

Upon insertion of the companion device into the docking station or travel charger and proper connection with the charging system, a ”beep” will be issued by the companion device

4.2.4.

Vibration mode messages

4.2.4.1.

A vibration “message” shall be initiated in the companion device upon the following conditions if the companion device has been removed from the base station:  Fall Detection, an incoming call, low battery power, “power down,” and the wrist device is out of range of the companion device

4.2.4.2.

The level of vibration will be a minimum magnitude of TBD and a frequency of TBD to be measured on the rear surface of the companion device

4.2.4.3.

The vibration “message” frequency and logic shall match the cycles defined in Section 3.2.3.3 for the wrist device

4.2.5.

Three (3) light emitting diodes (LEDs) will be provided to indicate device status

4.2.5.1.

Green blinking will indicate that the companion device is powered “on.”  The LED will cycle with a frequency of one (1) second “on”, five (5) seconds “off”

4.2.5.2.

Green blinking  will indicate that the companion device is charging and is properly positioned in the base station.  The LED will cycle with a frequency of one (1) second “on,” one (1) second “off.”

4.2.5.3.

Green continuous will indicate that the companion device is fully charged

4.2.5.4.

Red blinking will indicate that the device has “no signal” and is not communicating with the wrist device.  The LED will cycle with a frequency of one (1) second “on”, two (2) seconds “off” and will cycle in this mode until a connection is restored

4.2.5.5.

Red continuous will indicate a “low battery condition” and signal an imminent need for charging

4.2.5.6.

Red and yellow blinking together will indicate that a fall has been detected.  The red and yellow LEDs shall oscillate opposite each other with a frequency of one (1) second “on”, one (1) second “off” until the Care Center call has been received or the “Cancel” button actuated

4.2.5.7.

Yellow blinking will indicate the presence of an incoming call.  The LED will cycle with a frequency of one (1) second “on”, one (1) second “off” until the call is received

4.2.5.8.

Yellow blinking will indicate that a message has been sent by the Care Center and received by the companion device (message waiting).  The LED will cycle with a frequency of one (1) second “on”, five (5) seconds “off” until the message has been acknowledged on the companion device

4.2.6.

Organic LED (OLED) display screen

4.2.6.1.

The OLED screen will be capable of providing a brightness level of TBD

4.2.6.2.

The OLED screen shall provide a view of a minimum of TBD characters at a font size of TBD mm

4.2.6.3.

The resolution (dot matrix) of the OLED screen shall be TBD

 

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Suite 801. Building E, 1618 Yishan Road, Shanghai PRC

Tel: 86 21 51082965 Fax 86 21 64058005 Zip: 201103

 

4.2.6.4.

Screen indicators (icons) will display the status of the following features on the “idle” portion of the OLED screen:  (these to be discussed and confirmed with team)

4.2.6.4.1.

GSM signal strength

4.2.6.4.2.

GPS signal strength

4.2.6.4.3.

Battery status

4.2.6.4.4.

Bluetooth connection status

4.2.6.4.5.

Date/time

4.2.6.4.6.

Network operator name

4.2.6.5.

The following screen messages will be displayed on the “active” portion of the LCD screen:

4.2.6.5.1.

If a fall is detected, the display shall indicate “FALL DETECTED” until the Care Center is connected or the call is cancelled

4.2.6.5.2.

When dialing the Care Center, the display shall indicate “CALLING CARE CENTER”

4.2.6.5.3.

Upon connecting with the Care Center, the display shall indicate “CARE CENTER”

4.2.6.5.4.

Upon actuation of the “cancel” button, the display will indicate “CALL CANCELLED”

4.2.6.5.5.

When dialing 911, the display shall indicate “CALLING 911”

4.2.6.5.6.

Upon connecting with 911 emergency services, the display shall indicate “911 EMERGENCY”

4.2.6.5.7.

Upon actuating the Power “on” button to commence start-up, the display shall indicate “POWER ON”  for two (2) seconds followed by the Active Care logo until the standard operating mode is achieved (approximately five (5) seconds)

4.2.6.5.8.

Upon actuating the Power “off” button to shut down the device, the display shall indicate “GOODBYE” for approximately five (5) seconds

4.2.6.5.9.

Upon actuating the volume “up” or “down” buttons, the display shall show the graph figure currently used in the GT 300 device to indicate the volume setting

4.2.6.5.10.

The text of a message sent by the Care Center will be shown on the display

4.3.

Docking station or base station

4.3.1.

Physical characteristics

4.3.2.

Design of the base station

4.3.2.1.

The base station shall hold both the wrist device and the companion device securely during charging

4.3.2.2.

The base station shall charge one, or both devices simultaneously and automatically once the device(s) are placed into the station

4.3.2.3.

The two (2) charging positions on the base station shall be differentiated in design to accept placement of each device only in its appropriate charging location

4.3.2.4.

The two (2) charging positions shall each provide at least a  two (2) point contact recharging arrangement (similar to a cordless phone)

4.3.2.5.

The base station shall require a single cord for connection to a wall outlet (type used in US and Canada)

4.3.3.

Material selection for base station

 
 

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Quectel Wireless Solutions Ltd.

Suite 801. Building E, 1618 Yishan Road, Shanghai PRC

Tel: 86 21 51082965 Fax 86 21 64058005 Zip: 201103

 

 

4.3.3.1.

The case and decoration or graphics shall be made of materials that are cleanable and water resistant

4.3.3.2.

The case and decoration or graphics shall be made of materials that are resistant to scratches and abrasion

4.3.3.3.

The case  and decoration or graphics shall be made of materials that are colorfast and resistant to the aging effects from exposure to UV or IR radiation

4.3.3.4.

The base station and any decoration or fittings shall be made of materials that do not oxidize

4.3.3.5.

The bottom of the base shall have pads to resist slipping and prevent scratching of furniture

4.3.4.

Industrial design of the base station

4.3.4.1.

The design effort is underway and will involve several iterations and opportunities for review and comment.  One or more formal or informal focus groups with elder adults may be held to solicit feedback on the design and user interface

4.3.4.2.

Graphics, decoration, and labeling will be identified as the industrial design for the companion device is developed

5.0	Travel charger for wrist device (TBD)

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Quectel Wireless Solutions Ltd.

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APPENDIX B - GPS PRIMER

 

The Global Positioning System (GPS) is a satellite-based navigation system made up of a network of 24 satellites placed into orbit by the U.S. Department of Defense. GPS was originally intended for military applications, but in the 1980s, the government made the system available for civilian use. GPS works in any weather conditions, anywhere in the world, 24 hours a day. There are no subscription fees or setup charges to use GPS.

 

How it works…

 

GPS satellites circle the earth twice a day in a very precise orbit and transmit signal information to earth. GPS receivers take this information and use triangulation to calculate the user's exact location. Essentially, the GPS receiver compares the time a signal was transmitted by a satellite with the time it was received. The time difference tells the GPS receiver how far away the satellite is. Now, with distance measurements from a few more satellites, the receiver can determine the user's position and display it on the unit's electronic map.

 

A GPS receiver must be locked on to the signal of at least three satellites to calculate a 2D position (latitude and longitude) and track movement. With four or more satellites in view, the receiver can determine the user's 3D position (latitude, longitude and altitude). Once the user's position has been determined, the GPS unit can calculate other information, such as speed, bearing, track, trip distance, distance to destination, sunrise and sunset time and more.

 

How accurate is GPS?

 

Today's GPS receivers are extremely accurate, thanks to their parallel multi-channel design. Twelve parallel channel receivers are quick to lock onto satellites when first turned on and they maintain strong locks, even in dense foliage or urban settings with tall buildings. Certain atmospheric factors and other sources of error can affect the accuracy of GPS receivers. GPS receivers are accurate to within 15 meters (50 feet) on average.

 

Newer GPS receivers with WAAS (Wide Area Augmentation System) capability can improve accuracy to less than three meters on average. No additional equipment or fees are required to take advantage of WAAS.

 

Users can also get better accuracy with Differential GPS (DGPS), which corrects GPS signals to within an average of three to five meters. The U.S. Coast Guard operates the most common DGPS correction service. This system consists of a network of towers that receive GPS signals and transmit a corrected signal by beacon transmitters. In order to get the corrected signal, users must have a differential beacon receiver and beacon antenna in addition to their GPS.

 

 

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The GPS satellite system   The 24 satellites that make up the GPS space segment are orbiting the earth about 12,000 miles above us. They are constantly moving, making two complete orbits in less than 24 hours. These satellites are traveling at speeds of roughly 7,000 miles an hour.   GPS satellites are powered by solar energy. They have backup batteries onboard to keep them running in the event of a solar eclipse, when there's no solar power. Small rocket boosters on each satellite keep them flying in the correct path.   Here are some other interesting facts about the GPS satellites (also called NAVSTAR, the official U.S. Department of Defense name for GPS):

 

·	The first GPS satellite was launched in 1978.

·	A full constellation of 24 satellites was achieved in 1994.

·	Each satellite is built to last about 10 years. Replacements are constantly being built and launched into orbit.

·	A GPS satellite weighs approximately 2,000 pounds and is about 17 feet across with the solar panels extended.

·	Transmitter power is only 50 watts or less.

 

What's the signal?

GPS satellites transmit two low power radio signals, designated L1 and L2. Civilian GPS uses the L1 frequency of 1575.42 MHz in the UHF band. The signals travel by line of sight, meaning they will pass through clouds, glass and plastic but will not go through most solid objects such as buildings and mountains.

A GPS signal contains three different bits of information — a pseudorandom code, ephemeris data and almanac data. The pseudorandom code is simply an I.D. code that identifies which satellite is transmitting information.

Ephemeris data, which is constantly transmitted by each satellite, contains important information about the status of the satellite (healthy or unhealthy), current date and time. This part of the signal is essential for determining a position.

The almanac data tells the GPS receiver where each GPS satellite should be at any time throughout the day. Each satellite transmits almanac data showing the orbital information for that satellite and for every other satellite in the system.

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Quectel Wireless Solutions Ltd.

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Enhanced GPS

The term “enhanced GPS” is used loosely throughout the location services industry. There are several competing technologies on the market which are provided to enhance the performance of a GPS receiver.  Some examples include Oncore, SnapTrak, NEC, U-Locate, TrimTrac, etc.  Most of these GPS-enhancing technologies are network-assisted or network-based using GSM, CDMA, or other terrestrial networks.

Overview Of Assisted GPS

Assisted-GPS is a method of improving GPS performance. Two main benefits are seen:

Faster Time to First Fix (TTFF)

Acquisition in weak signal environments

These improvements in performance come with one penalty – the requirement for some type of cellular network to transmit the assistance data, and backend server technology to generate assistance data. To gain an understanding of the difference in performance between Assisted and Autonomous GPS, please view the performance numbers in the next section.

Overview of MS-Based Assisted GPS

MS (Mobile Station) Based Assisted GPS is a standard mode of GPS operation, tailored for fast acquisition and operation in weak signal environments. Position calculation occurs in the mobile unit, and does not require assistance beyond the initial Assistance packet, which is valid for up to two hours. This makes it ideal for application that need to generate a position regularly such as mapping LBS (Location Based Services) without loading the cellular network.

Overview of MS-Assisted Assisted GPS

MS (Mobile Station) Assisted A-GPS is a standard mode of GPS operation, suited to infrequent position fixes in weak signal environments. Position calculation occurs in the Cellular Network, completed in the PDE (Position Determining Entity). This type of A-GPS is suited to E911 applications where only the network side needs to know the position, rather than the mobile being ‘position aware’.

Overview of Autonomous GPS

Autonomous GPS, as the name suggests, requires no assistance data and is capable of outputting Position, Velocity and Time (PVT) autonomously. The limitation of this type of GPS is its inability to calculate initial position in weak signal environments. In order for the GPS to calculate its position, Ephemeris data is required locally to calculate precise satellite positions. The Ephemeris, and other satellite parameter data, is transmitted as a background serial stream as 50 bits per second. This data cannot be decoded initially at signal levels under –142dBm, and hence the limitation of the first autonomous fix to –142dBm. Once a position has been calculated, implying Ephemeris data is available locally, autonomous operation can continue in weal signal environments until the background decoded data has timed out, typically 2 hours max.

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Network Based Location Service

There is also a terrestrial based set of technologies that determine a cellular users position using cell data and time of arrival measurements.  These services are mainly restricted to urban areas where the cell tower density is at its greatest and will only be available if the carrier supports it.

Sources of GPS signal errors

Factors that can degrade the GPS signal and thus affect accuracy include the following:

 

·	Ionosphere and troposphere delays — The satellite signal slows as it passes through the atmosphere. The GPS system uses a built-in model that calculates an average amount of delay to partially correct for this type of error.

·	Signal multipath — This occurs when the GPS signal is reflected off objects such as tall buildings or large rock surfaces before it reaches the receiver. This increases the travel time of the signal, thereby causing errors.

·	Receiver clock errors — A receiver's built-in clock is not as accurate as the atomic clocks onboard the GPS satellites. Therefore, it may have very slight timing errors.

·	Orbital errors — Also known as ephemeris errors, these are inaccuracies of the satellite's reported location.

·

Number of satellites visible — The more satellites a GPS receiver can "see," the better the accuracy. Buildings, terrain, electronic interference, or sometimes even dense foliage can block signal reception, causing position errors or possibly no position reading at all. GPS units typically will not work indoors, underwater or underground.

·	Satellite geometry/shading — This refers to the relative position of the satellites at any given time. Ideal satellite geometry exists when the satellites are located at wide angles relative to each other. Poor geometry results when the satellites are located in a line or in a tight grouping.

·

Intentional degradation of the satellite signal — Selective Availability (SA) is an intentional degradation of the signal once imposed by the U.S. Department of Defense. SA was intended to prevent military adversaries from using the highly accurate GPS signals. The government turned off SA in May 2000, which significantly improved the accuracy of civilian GPS receivers.

 

 

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