IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0040636
(2005-01-21)
|
등록번호 |
US-7323970
(2008-01-29)
|
발명자
/ 주소 |
- Murray,Tom��s
- Jansson,Edward R.
- Gafa,Jason
- Shouse,Paul
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
41 인용 특허 :
286 |
초록
▼
A telemetry system coupled to a vehicle can communicate with a remote site using the overhead control channels of a wireless network, such as a cellular mobile radiotelephone network. The telemetry system can monitor or control aspects of the vehicle's operations based on remote user input. The tele
A telemetry system coupled to a vehicle can communicate with a remote site using the overhead control channels of a wireless network, such as a cellular mobile radiotelephone network. The telemetry system can monitor or control aspects of the vehicle's operations based on remote user input. The telemetry system can take steps to reduce its consumption of electricity. When conditions warrant, the telemetry system can disable a driver's attempt to start the vehicle. A relay can consume minimal electricity until an unauthorized driver attempts to start the vehicle, at which time the telemetry system can energize the relay to interrupt the starting sequence. The telemetry system can monitor a driver's driving practices and report incidences that meet preset criteria, such as violating a speed limit for a selected amount of time or a crossing of a geographical boundary.
대표청구항
▼
What is claimed is: 1. A method for disabling a vehicle via a wireless data link comprising the steps of: monitoring a circuit, having a first state for driving the vehicle, a second state for stating an engine of the vehicle, and a third state for turning the engine off; receiving a message, trans
What is claimed is: 1. A method for disabling a vehicle via a wireless data link comprising the steps of: monitoring a circuit, having a first state for driving the vehicle, a second state for stating an engine of the vehicle, and a third state for turning the engine off; receiving a message, transmitted over the wireless data link, at a telemetry system at the vehicle, the message comprising a command to disable the vehicle; determining that the circuit is attempting to start the vehicle as a result of a transition of the circuit to the second state; responsive to the receiving step and the determining step, interrupting the attempt to start the vehicle and causing the circuit to operate in the third state; wherein power is removed from the telemetry system to conserve power if the circuit is set to the third state for a threshold amount of time and power is restored to the telemetry system if a security intrusion for the vehicle is detected. 2. The method of claim 1, wherein the interrupting step comprises interrupting electricity flow of the circuit. 3. The method of claim 1, wherein the interrupting step comprises energizing a relay. 4. The method of claim 1, wherein the circuit comprises a switch and wherein monitoring the circuit comprises determining whether the switch is in a first position or a second position and wherein the determining step comprises determining that the switch is in the first position. 5. The method of claim 1, wherein the receiving step further comprises receiving the message via a control channel of the wireless data link. 6. The method of claim 1, wherein: the method further comprises the step of removing power from a global positioning sensor communicatively coupled to the wireless data link at the vehicle if the circuit is in the third state. 7. A method for operating a telemetry system connected to a vehicle, comprising the steps of: determining whether a starter circuit of the vehicle is in a first state operative to start the vehicle, a second state operative to drive the vehicle, or a third state operative to turn the vehicle off; if the telemetry system receives an instruction to disable the vehicle, interrupting the starter circuit in response to the determining step if the starter circuit changes to the first state from one of the second state and the third state; measuring a time that the starter circuit is in the third state in response to determining that the starter circuit in is the third state; comparing the measured time to a threshold; if the measured time is greater than the threshold, disconnecting the telemetry system from a source of electricity; and in response to detecting a security intrusion for the vehicle, reconnecting the disconnected telemetry system to the source of electricity. 8. The method of claim 7, wherein the telemetry system comprises a global positioning sensor that receives power from a battery of the vehicle and the method further comprises the step of removing the power from the global positioning sensor in response to the determining step if the starter circuit is in the third state. 9. The method of claim 7, further comprising the step of entering the threshold into a user interface, wherein the comparing step comprises comparing the measured time to the entered threshold. 10. The method of claim 7, further comprising the step of connecting the disconnected telemetry system to the source of electricity in response to the starter circuit changing from the third state to one of the first state and the second state. 11. The method of claim 7, wherein a wireless page comprises the instruction. 12. The method of claim 7, wherein receiving the instruction comprises receiving the instruction on an overhead control channel of a wireless communication network. 13. A method for conserving power consumption of a telemetry system connected to a vehicle, comprising the steps of: determining whether an ignition switch of the vehicle is in a first state for operating the vehicle or a second state for storing the vehicle; if the ignition switch is determined to be in the second state, timing an interval that the vehicle is in the second state; comparing the timed interval to a threshold; disconnecting the telemetry system from a power source if the timed interval exceeds the threshold; and if a security intrusion for the vehicle is detected, reconnecting the telemetry system to the power source. 14. The method of claim 13, wherein the telemetry system comprises a transceiver that receives commands and transmits telemetry data on an overhead control channel of a wireless cellular network and wherein disconnecting the telemetry system comprises disconnecting the transceiver. 15. The method of claim 13, further comprising the step of applying power to the telemetry system in response to determining that the ignition switch is in the first state after disconnecting the telemetry system from the power source. 16. The method of claim 13, wherein: the telemetry system comprises a sensor operative to locate the vehicle in response to a prompt transmitted over a wireless network; and the method further comprises the step of turning the sensor off in response to determining that the ignition switch is in the second state. 17. The method of claim 13, wherein the determining step further comprises determining whether the ignition switch is in a third state for starting the vehicle, and the method further comprises the steps of: monitoring a control channel of a wireless network for a prompt to disable the vehicle; and if the prompt is monitored, stopping electricity flow to a starter of the vehicle in response to determining that the ignition switch is in the third state.
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