Method and system for interfacing a portable transceiver in a telematics system

• US 20040203554A1
• Filed: 04/03/2002
• Published: 10/14/2004
• Est. Priority Date: 04/03/2002
• Status: Active Grant

• Current Assignee: General Motors LLC (General Motors Company)
• Original Assignee: General Motors Corporation (Motors Liquidation Co. GUC Trust)
• Inventors: Simon, Anthony Luke
• Granted Patent: US 7,006,845 B2
• Time in Patent Office: Days
• US Class Current: 455/345
• CPC Class Codes: H04B 1/3877 Arrangements for enabling portable transceivers to be used in a fixed position, e.g. cradles or boosters
• CPC Class Codes: H04W 52/0229 where the received signal is a wanted signal
• CPC Class Codes: Y02D 30/70 in wireless communication networks

Abstract

A method of interfacing a portable transceiver in a telematics system comprising the steps of: a) bringing a portable wireless transceiver into proximity of a vehicle, wherein the portable wireless transceiver has short range and long range wireless transceiving functions; b) automatically switching the portable wireless transceiver from a power-off state to a power-on state in response to a short range wireless signal from the vehicle; and c) operating the portable wireless transceiver as a telecommunications device for at least one system within the vehicle through a short range wireless link.

Claims

1. A method of interfacing a portable wireless transceiver in a telematics system comprising the steps of:

a) bringing the portable wireless transceiver into a proximity of a first vehicle, wherein the portable wireless transceiver has short range and long range wireless transceiving functions;

b) automatically switching the portable wireless transceiver from a power-off state to a power-on state in response to a short range wireless signal from the first vehicle; and

c) operating the portable wireless transceiver as a telecommunications device for at least one system within the first vehicle, wherein the portable wireless transceiver is coupled to the first vehicle through a short-range wireless link.

2. The method of claim 1, also comprising the steps of:

removing the portable wireless transceiver from the proximity of the first vehicle; and

automatically switching the portable wireless transceiver from the power-on state to the power-off state in response to the removing of the portable wireless transceiver from the proximity of the first vehicle.

3. The method of claim 1, also comprising the steps of:

configuring the portable wireless transceiver to recognize a predetermined vehicle;

sensing the short-range wireless signal from the first vehicle;

determining, within the portable wireless transceiver, whether the first vehicle is the predetermined vehicle

wherein the steps b) and c) operate only when the first vehicle is the predetermined vehicle.

4. The method of claim 2, wherein the step of automatically switching the portable wireless transceiver from the power-on state to the power-off state occurs only if the portable wireless transceiver was in the power-off state when the portable wireless transceiver was brought into the proximity of the first vehicle.

5. The method of claim 1, also comprising the steps of:

setting a flag in the portable wireless transceiver in response to the automatic switching the portable wireless transceiver from the power-off state to the power-on state;

removing the portable wireless transceiver from proximity of the first vehicle; and

automatically switching the portable wireless transceiver from the power-on state to the power-off state in response to the removing of the portable wireless transceiver from the proximity of the first vehicle only if the flag is set.

6. The method of claim 1, wherein the step of automatically switching the portable wireless transceiver from the power-off state to the power-on state enables only partial functionality of the portable wireless transceiver.

7. The method of claim 6, wherein the partial functionality excludes ringing in response to incoming calls.

8. The method of claim 6, also comprising the step of:

while partial functionality of the portable wireless transceiver is enabled, enabling full functionality of the portable wireless transceiver in response to manual depression of a power-on switch.

9. The method of claim 1, also comprising the step of:

announcing over an audio system of the first vehicle establishment of the short-range wireless link.

10. The method of claim 9, also comprising the step of:

disabling the short-range wireless link in response to user input to the portable wireless transceiver.

11. The method of claim 3, also comprising the steps of:

announcing over the vehicle audio system that no wireless link is established if the first vehicle is not the predetermined vehicle;

requesting, over the vehicle audio system, authorization to initiate configuration of the portable wireless transceiver to recognize the first vehicle as the predetermined vehicle; and

initiating configuration of the portable wireless transceiver in response to a user input responding to the request.

12. The method of claim 1, also comprising the step of:

maintaining the portable wireless transceiver in a power off state in response to a short-range wireless signal from a second vehicle.

13. The method of claim 1, also comprising the step of:

providing power to the short range wireless transceiving function within the portable wireless transceiver from a standby power source separate from a primary battery of the portable wireless transceiver.

14. A system for interfacing a portable wireless transceiver in an in-vehicle telematics system comprising:

a) a portable wireless transceiver having a first short-range transceiver unit and a long-range wireless transceiver unit; and

b) a second short-range transceiver unit coupled to the vehicle telematics system;

c) a monitor within the portable wireless transceiver capable of recognizing signals from the vehicle telematics system transmitted from the second short range transceiver unit to the first short range transceiver unit; and

d) a power-on circuit within the portable wireless transceiver responsive to the monitor, wherein the portable wireless transceiver switches from a power-off state to a power-on state in response to a short range wireless signal from the vehicle, wherein the portable wireless transceiver operates as a telecommunications device for at least one system within the vehicle, wherein the portable wireless transceiver is coupled to the vehicle through a short-range wireless link.