Parking assist device and method for assisting parking

• US 6,919,822 B2
• Filed: 01/23/2003
• Issued: 07/19/2005
• Est. Priority Date: 01/23/2002
• Status: Active Grant

• Current Assignee: Aisin Seiki Co., Ltd. (Aisin Corp.)
• Original Assignee: Aisin Seiki Co., Ltd. (Aisin Corp.)
• Inventors: Satonaka, Hisashi, Kataoka, Hiroaki, Endo, Tomohiko, Iwazaki, Katsuhiko, Kawakami, Seiji, Morita, Mitsuhiko, Tanaka, Yuu, Iwata, Yoshifumi
• Primary Examiner(s): Nguyen, Tai T.
• Application Number:
  US10/349,095
• Publication Number:
  US 20030156045A1
• Time in Patent Office: 908 Days
• Field of Search: 340/932.2, 340/903, 340/436, 340/437, 340/438, 701/1, 701/41, 701/36, 701/300, 701/310, 701/302
• US Class Current: 340/932.2
• CPC Class Codes: B60Q 9/004 using wave sensors radar designed for anti-collision purposes between land vehicles or between land vehicles and fixed obstacles G01S13/931
• CPC Class Codes: B60T 2201/10 Automatic or semi-automatic parking aid systems
• CPC Class Codes: B62D 15/0285 Parking performed automatically

Abstract

According to a parking assist device and a method for assisting parking of the invention, when a parking assist is canceled after a start of the parking assist, and the parking assist is restarted, a target parking position (P2B) is reset at a reset position (P1B). In the invention, at this time, the target parking position (P2B) is determined based on a target parking position (P2A) which is set at a parking preparation position (P1A), and the determined target parking position (P2B) is displayed on a screen of a monitor (4) as a default display position of a target parking frame (11) at a reset time.

Claims

1. A parking assist device which is provided with image capturing means for capturing an image of an area outside a vehicle, and displaying means for displaying both a captured image and a target parking frame on a screen of the displaying means to assist a parking operation executed by a driver of the vehicle comprising:

when a parking assist is canceled after a start of the parking assist, and the parking assist is restarted, the parking assist device determines a target parking position at a restart time of the parking assist based on a target parking position set prior to the restart time of the parking assist, and displays the determined target parking position on the screen of the displaying means as a default display position of the target parking frame at a reset time; and

a moving amount of the vehicle obtained from when the target parking position is set prior to the restart time of the parking assist until when the parking assist is restarted is determined, and the target parking position at the restart time is determined by moving the target position set prior to the restart by the moving amount of the vehicle.

2. The parking assist device according to claim 1, wherein

the target parking frame determined based on the target parking position at the restart time is displayed as a default display on the screen.

3. The parking assist device according to claim 2, wherein

the parking assist device further comprise restart judging means for judging whether a setting of the target position is a selling of the target parking position at the restart time, and

the target parking frame is displayed as the default display on the screen when the setting of the target parking position is judged as the target parking position at the restart time by the restart judging means.

4. The parking assist device according to claim 3, wherein

the target parking frame determined based on the target parking position at the restart time is displayed as a default display on the screen.

5. The parking assist device according to claim 3, wherein

the target parking frame is displayed on the screen during execution of the parking assist.

6. The parking assist device according to claim 2, wherein

the target parking frame is displayed on the screen during execution of the parking assist.

7. The parking assist device according to claim 1, wherein

the target parking frame is displayed on the screen during execution of the parking assist.

8. The parking assist device according to claim 7, further comprising:

target parking position selling means which includes a portion operated by a driver of the vehicle so as to move the target parking frame displayed on the screen, and a portion operated by the driver so as to set the displayed target parking frame as the target parking position.

9. A method for assisting a parking operation by displaying an image captured by image capturing means of a vehicle and a target parking position on a screen of displaying means provided inside the vehicle comprising:

when a parking assist is canceled after a start of the parking assist, and the parking assist is restarted, determining a target parking position at the restart time based on a target parking position which is set prior to the restart time of the parking assist, and displaying the determined target parking position on the screen of the displaying means as a default position of the target parking frame at a reset time;

determining a moving amount of the vehicle obtained from when the target parking position is set prior to the restart time of the parking assist until when the parking assist is restarted; and

determining the target parking position at the restart time by moving the target position set prior to the restart by the moving amount of the vehicle.

10. A parking assist device which is provided with image capturing means for capturing an image of an area outside a vehicle, and displaying means for displaying both a captured image and a target parking frame on a screen of the displaying means to assist a parking operation executed by a driver of the vehicle comprising:

when a parking assist is canceled after a start of the parking assist, and the parking assist is restarted, the parking assist device determines a target parking position at a restart time of the parking assist based on a target parking position set prior to the restart time of the parking assist, and displays the determined target parking position on the screen of the displaying means as a default display position of the target parking frame at a reset time;

the target parking frame determined based on the target parking position at the restart time is displayed as a default display on the screen;

the parking assist device further comprises restart judging means for judging whether a setting of the target position is a setting of the target parking position at the restart time, and

the target parking frame is displayed as the default display on the screen when the setting of the target parking position is judged as the target parking position at the restart time by the restart judging means.

11. The parking assist device according to claim 10, wherein

the target parking frame is displayed on the screen during execution of the parking assist.

12. The parking assist device according to claim 10, further comprising:

target parking position setting means which includes a portion operated by a driver of the vehicle so as to move the target parking frame displayed on the screen, and a portion operated by the driver so as to set the displayed target parking frame as the target parking position.