IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0252884
(2008-10-16)
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등록번호 |
US-8180522
(2012-05-15)
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발명자
/ 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
Bereskin & Parr LLP/S.E.N.C.R.L., s.r.l.
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인용정보 |
피인용 횟수 :
66 인용 특허 :
26 |
초록
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A system and method is disclosed for monitoring a motor vehicle. The system includes a sensor unit for collecting at least one vehicle statistic and a portable device for displaying the vehicle statistics. The portable device requests the vehicle statistics from the sensor unit at regular intervals
A system and method is disclosed for monitoring a motor vehicle. The system includes a sensor unit for collecting at least one vehicle statistic and a portable device for displaying the vehicle statistics. The portable device requests the vehicle statistics from the sensor unit at regular intervals or in response to a particular event and displays statistics on a built-in display screen. In one embodiment, the portable device may be attached to the keys used to operate the vehicle being monitored.
대표청구항
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1. A method for monitoring a vehicle during operation, the method comprising: polling the vehicle for vehicle data using a sensor unit provided to the vehicle;calculating a vehicle statistic from the vehicle data using the sensor unit;updating a memory of the sensor unit with the vehicle statistic;r
1. A method for monitoring a vehicle during operation, the method comprising: polling the vehicle for vehicle data using a sensor unit provided to the vehicle;calculating a vehicle statistic from the vehicle data using the sensor unit;updating a memory of the sensor unit with the vehicle statistic;repeating the polling, calculating and updating steps periodically during operation of the vehicle;wirelessly requesting and receiving the vehicle statistic from the memory using a processor provided in a portable device;displaying the vehicle statistic on a display provided in the portable device;storing a count of the number of times the sensor unit has been connected to the vehicle;requesting and receiving the count at a first time using the portable device;requesting and receiving the count at a second time using the portable device;comparing the count received at the first and second times using the portable device; anddisplaying a tampering signal if the count received at the first time is not equal to the count received at the second time. 2. The method of claim 1, wherein the polling, calculating and updating steps are repeated every 2.0 seconds or less. 3. The method of claim 1, further comprising automatically repeating the polling, calculating, updating and wirelessly requesting and receiving steps. 4. The method of claim 3, wherein the wirelessly requesting and receiving and displaying the vehicle statistic steps are repeated every 15-120 seconds. 5. The method of claim 1, wherein the calculating step comprises calculating the vehicle statistic from the vehicle data and at least one previously stored vehicle statistic. 6. The method of claim 1, wherein the vehicle data is speed, and the vehicle statistic is at least one of hard brakes, a distance or a maximum speed. 7. The method of claim 1, wherein the wirelessly requesting and receiving step comprises sending a request to the sensor unit together with an identification number of the portable device, and wherein the sensor unit is configured to respond to the request only if it recognizes the identification number. 8. The method of claim 1, wherein the wirelessly requesting and receiving step is carried out wirelessly and automatically. 9. The method of claim 1, further comprising: resetting the vehicle statistics to zero on the display on the portable device;storing a reset number on the portable device;sending the reset number to the sensor unit;comparing the reset number to a prior reset number; andresetting the memory on the sensor unit if the reset number does not equal the prior reset number. 10. The method of claim 1, wherein the vehicle statistic is displayed on the portable device in real-time. 11. The method of claim 10, wherein the vehicle data is polled less than 2 seconds before the display of the vehicle statistic. 12. A system for monitoring a vehicle, the system comprising: a sensor unit configured to collect a vehicle statistic; anda portable device comprising: a processor configured to request and receive the vehicle statistic from the sensor unit;a display configured to display the vehicle statistic; anda transceiver configured to wirelessly communicate with the sensor unit; wherein the processor is configured to store a count of the number of times the sensor unit has been connected to the vehicle, request and receive the count at a first time, request and receive the count at a second time, compare the count received at the first and second times; and display a tampering signal if the count received at the first time is not equal to the count received at the second time. 13. The system of claim 12, wherein the sensor unit is configured to collect the vehicle statistic by polling the vehicle for vehicle data, calculating the vehicle statistic from the vehicle data, and storing the vehicle statistic. 14. The system of claim 13, wherein the sensor unit is configured to continuously repeat polling the vehicle for vehicle data, calculating the vehicle statistic from the vehicle data, and storing the vehicle statistic. 15. The system of claim 12, wherein the sensor unit is fixedly attachable to the vehicle, and the portable device is in wireless communication with the sensor device and removable from the vehicle. 16. The system of claim 15, wherein the portable device is removably attached to a key used to operate the vehicle. 17. The system of claim 16, wherein the portable device is a key fob that comprises a loop for mounting to a key and/or a key ring. 18. The system of claim 12, wherein the display is configured to display the vehicle statistic in real-time. 19. A method for monitoring a vehicle during operation, the method comprising: polling the vehicle for vehicle data using a sensor unit provided to the vehicle;calculating a vehicle statistic from the vehicle data using the sensor unit;updating a memory of the sensor unit with the vehicle statistic;repeating the polling, calculating and updating steps periodically during operation of the vehicle;wirelessly requesting and receiving the vehicle statistic from the memory using a processor provided in a portable device; anddisplaying the vehicle statistic on a display provided in the portable device; and when a reset is performed, the method further comprises: resetting the vehicle statistics to zero on the display on the portable device;storing a reset number on the portable device;sending the reset number to the sensor unit;comparing the reset number to a prior reset number; andresetting the memory on the sensor unit if the reset number does not equal the prior reset number. 20. A system for monitoring a vehicle, the system comprising: a sensor unit configured to collect a vehicle statistica portable device comprising: a processor configured to request and receive the vehicle statistic from the sensor unit;a display configured to display the vehicle statistic; anda transceiver configured to wirelessly communicate with the sensor unit, wherein when a reset command is received at the portable device to reset the vehicle statistic, the processor is configured to reset the vehicle statistic to zero on the display on the portable device, store a reset number on the portable device, send the reset number to the sensor unit, compare the reset number to a prior reset number; and reset the memory on the sensor unit if the reset number does not equal the prior reset number.
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