Title:
連続可変ヘッドライトの制御
Document Type and Number:
Japanese Patent JP3660877
Kind Code:
B2
Abstract:
A control system to control the brightness of the headlamps of a vehicle comprising:
an image array sensor and an optical system configured to image the scene forward of the vehicle onto said image array sensor;
a control unit configured to:
process images received from said image array sensor, identify light sources in said images,
determine the brightness of the light sources within said images,
generate a control signal to set the state of the high beam headlamps,
compare the brightness of an identified light source to an absolute high level brightness threshold,
and, if the brightness of the light source is above said threshold, cause the vehicle to immediately dim the bright headlamps,
wherein the image array sensor is aimed through a portion of the controlled vehicle windshield cleaned by a windshield wiper.
Inventors:
Steam, joseph es
Bechtel, John H
Frederick Tea, Bower
Bechtel, John H
Frederick Tea, Bower
Application Number:
JP2000573937A
Publication Date:
June 15, 2005
Filing Date:
August 26, 1999
Export Citation:
Assignee:
Gentex Corporation
International Classes:
B60Q1/02; B60Q1/08; B60Q1/12; B60Q1/14; B60Q1/18; F21V1/00; (IPC1-7): B60Q1/14; B60Q1/12
Domestic Patent References:
| JP7069125A | ||||
| JP6151067A | ||||
| JP7047878A | ||||
| JP60015237A | ||||
| JP57044541A | ||||
| JP7069125A | ||||
| JP6151067A | ||||
| JP7047878A | ||||
| JP60015237A | ||||
| JP57044541A |
Attorney, Agent or Firm:
Yoshiyuki Inaba
Toshifumi Onuki
Mutsumi Sato
Toshifumi Onuki
Mutsumi Sato