VEHICLE OPENING/CLOSING CONTROL SYSTEM AND METHOD

• US 20080036571A1
• Filed: 07/23/2007
• Published: 02/14/2008
• Est. Priority Date: 08/11/2006
• Status: Abandoned Application

• Current Assignee: Nissan Motor Co., Ltd.
• Original Assignee: Nissan Motor Co., Ltd.
• Inventors: Eguchi, Takashi, Hatayama, Hiroki, Kusunoki, Kiichi, Asada, Tetsuya
• Application Number:
  US11/781,381
• Publication Number:
  US 20080036571A1
• Time in Patent Office: Days
• US Class Current: 340/5.72
• CPC Class Codes: B60R 25/245 where the antenna reception area plays a role
• CPC Class Codes: G07C 9/00309 operated with bidirectional data transmission between data carrier and locks

Abstract

Opening and closing control method includes commencing an open or close operation of a vehicle component in response to an instruction signal for starting the open or close operation and ending the open or close operation if a wireless controller leaves a prescribed range of the vehicle prior to completion of the open or close operation.

Claims

1. An opening and closing control system for a vehicle, comprising:

a receiver configured to receive an opening or closing instruction signal from a wireless controller; and

a control unit configured to receive the instruction signal from the receiver, the control unit operable to;

judge whether the wireless controller is present within a prescribed range of the vehicle; and

perform an open or close operation of the vehicle when the receiver receives the instruction signal and while the wireless controller is present within the prescribed range.

2. The system according to claim 1 wherein the controller is further operable to:

signal the drive unit to stop the open or close operation if the wireless controller leaves the prescribed range during the open or close operation.

3. The system according to claim 1, further comprising:

a transmitter electrically coupled to the control unit and configured to transmit a prescribed signal; and

wherein the control unit is further operable to judge that the wireless controller is absent from the prescribed range of the vehicle when no response signal is received from the wireless controller responsive to the prescribed signal.

4. The system according to claim 1, further comprising:

a transmitter electrically coupled to the control unit and configured to transmit a prescribed signal; and

wherein the control unit is further operable to judge whether the wireless controller is present within the prescribed range of the vehicle when the wireless controller returns a response signal responsive to the prescribed signal.

5. The system according to claim 4 wherein the transmitter is further configured to transmit the prescribed signal repeatedly at a transmission interval of at least a prescribed period of time.

6. The system according to claim 5 wherein the transmitter is further configured to change the transmission interval of the prescribed signal during the open or close operation.

7. The system according to claim 5 wherein a second transmission interval at an end of the open or close operation is shorter than a first transmission interval at a start of the open or close operation.

8. The system according to claim 4 wherein the control unit is further configured to change an interval of the response signal of the wireless controller by controlling the transmitter to transmit the prescribed signal at an interval longer than a prescribed time until the open or close operation of the vehicle component is complete.

9. The system according to claim 8 wherein the control unit is farther configured to change the interval of the response signal by shortening the interval of the response signal at an end of the open or close operation with respect to that at a start of the open or close operation.

10. The system according to claim 4 wherein the wireless controller is configured to return the response signal responsive to the prescribed signal when a reception level of the prescribed signal is higher than a prescribed reception level.

11. The system according to claim 10 wherein the prescribed reception level is contained in the prescribed signal.

12. The system according to claim 10 wherein the prescribed reception level is stored in the wireless controller.

13. The system according to claim 1 wherein the vehicle component is at least one of a window, a door and an electrically-driven roof.

14. An opening and closing control system for a vehicle, comprising:

means for receiving an opening or closing instruction signal for a vehicle component from a wireless controller;

means for judging whether the wireless controller is present within a prescribed range of the vehicle; and

means for performing an open or close operation of the vehicle component when the receiving means receives the instruction signal and while the wireless controller is present within the prescribed range.

15. An opening and closing control system for a vehicle, comprising:

a receiver configured to receive an opening or closing instruction signal from a wireless controller; and

a control unit configured to receive the instruction signal from the receiver to start and open or close operation, the control unit operable to;

judge whether the wireless controller is outside a prescribed range of the vehicle; and

stop the open or close operation of the vehicle while the wireless controller is outside the prescribed range during the open or close operation.

16. An opening and closing control method for a vehicle, comprising:

commencing an open or close operation of a vehicle component in response to an instruction signal for starting the open or close operation; and

ending the open or close operation if a wireless controller leaves a prescribed range of the vehicle prior to completion of the open or close operation.

17. The method according to claim 16, further comprising:

transmitting the instruction signal for starting the open or close operation using the wireless controller.

18. The method according to claim 16, further comprising:

periodically transmitting a prescribed signal to the wireless controller from the vehicle after commencing the open or close operation; and

judging if the wireless controller leaves the prescribed range of the vehicle prior to completion of the open or close operation when the wireless controller does not transmit a reception signal responsive to the prescribed signal.

19. The method according to claim 18, further comprising:

changing a period of transmission of the prescribed signal while performing the open or close operation.

20. The method according to claim 18, further comprising:

transmitting the reception signal from the wireless controller when a reception level of the prescribed signal by the wireless controller is higher than a prescribed reception level.