US Patent No: 4,996,657

Number of patents in Portfolio can not be more than 2000

Steering angle detecting system for automotive vehicles

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Abstract

A steering angle detecting system for a vehicle includes a sensor responsive to rotation of a steering wheel for generating angular pulses corresponding in number to the steering angle of the steering wheel. Another sensor generates a reference pulse at a predetermined angle of the steering wheel. The angular pulses are counted by a counter. The steering angle detecting system is determined to be abnormal if the counted value of the counter is not within a predetermined value range when the reference pulse is generated. Further, the rate of change of the counted value by the counter is detected, and the steering angle detecting system is determined to be abnormal if the detected rate of change of the counted value is greater than a predetermined value. Further, the steering angle detecting system is determined to be abnormal if the detected rate of change of the counted value has continued to be smaller than a predetermined value for a predetermined time period or longer.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
HONDA GIKEN KOGYO KABUSHIKI KAISHATOKYO, 10710676

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kiryu, Hironobu Wako, JP 18 306
Nishihara, Takashi Osaka, JP 113 537
Omomo, Naoki Wako, JP 5 72
Shiraishi, Shuji Wako, JP 44 639

Cited Art

Patent Info (Count) # Cites Year
 
NISSAN MOTOR CO., LTD. (2)
4,840,389 Vehicle steer angle control system based on mathematical model 53 1987
4,878,557 Auxiliary steering system for wheeled vehicle 47 1989
 
TOYODA KOKI KABUSHIKI KAISHA (2)
4,476,529 Control system for a power steering device 52 1982
4,794,536 Steering angle detection device 28 1985
 
ASAHI KOGAKU KOGYO KABUSHIKI KAISHA (1)
4,633,419 Angle measuring device 5 1984
 
KEARFOTT GUIDANCE AND NAVIGATION CORPORATION (1)
4,486,845 Resolver to incremental shaft encoder converter 17 1982
 
LUCAS INDUSTRIES LIMITED (1)
4,797,827 Angular position detector 21 1986
 
NARTRON CORPORATION (1)
4,621,327 Electronic power steering method and apparatus 42 1984
 
OKI ELECTRIC INDUSTRY CO., LTD. (1)
4,796,208 Method of detecting reference crank angle position in an internal combustion engine at the time of starting same 11 1986

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
HONDA GIKEN KOGYO KABUSHIKI KAISHA (2)
6,278,362 Driving state-monitoring apparatus for automotive vehicles 20 1995
5,673,192 Electrical equipment control system for a vehicle utilizing one central processing unit 4 1996
 
NISSAN MOTOR CO., LTD. (2)
5,283,740 Steering handle position sensor checking apparatus 13 1992
5,282,135 Steering handle position sensor checking apparatus 9 1992
 
ROBERT BOSCH CORPORATION (2)
6,789,017 Vehicle steering angle position determination method 9 2003
6,816,799 Vehicle operating parameter determination system and method 6 2003
 
Tamapack Co., Ltd. (2)
5,463,370 Display device for a vehicle 13 1993
5,594,415 Display device for a vehicle 32 1995
 
ALPS ELECTRIC CO., LTD. (1)
6,778,939 Rotational angle detector which prevents controlled system from being improperly controlled 3 2002
 
CHRYSLER GROUP LLC (1)
5,946,644 Steering center indicator device 52 1998
 
DELPHI TECHNOLOGIES, INC. (1)
6,721,639 Hi-resolution digital steering sensor fault detection 3 2001
 
DR. JOHANNES HEIDENHAIN GMBH (1)
6,418,396 Method for operating a position measuring system and position measuring system for the purpose 6 1999
 
FORD GLOBAL TECHNOLOGIES, INC. (1)
6,002,338 Method and system for detecting failures in self-exciting sensor 6 1997
 
FUJI JUKOGYO KABUSHIKI KAISHA (1)
5,373,444 Apparatus and method for processing vehicle steering angle signal 5 1993
 
GM GLOBAL TECHNOLOGY OPERATIONS LLC (1)
5,465,210 Method for determining a vehicle steering wheel center position 23 1994
 
KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO (1)
6,330,522 Rotational angle detector and method 55 1999
 
KOYO SEIKO CO., LTD. (1)
6,948,385 Rotational angle detecting apparatus and torque detecting apparatus 2 2003
 
LEOPOLD KOSTAL GMBH & CO. KG (1)
6,304,190 Method for determining the absolute angular position of the steering wheel of a motor vehicle, and optoelecronic steering angle sensor 6 2000
 
MANDO CORPORATION (1)
5,801,301 Operating condition detecting system for automotive vehicle 2 1996
 
MITSUBISHI DENKI KABUSHIKI KAISHA (1)
5,146,202 Vehicular steering condition detecting apparatus 4 1991
 
MITSUBISHI ELECTRIC CORPORATION (1)
7,565,947 Vehicular steering system 4 2007
 
Nippondenso Co., Ltd. (1)
5,696,676 Self-diagnosis apparatus for vehicles 40 1996
 
PARKER INTANGIBLES LLC (1)
5,201,380 Phased redundant sensor steering control 18 1991
 
ROBERT BOSCH GMBH (1)
5,189,613 Device for adjusting the steering angle of vehicle wheels 3 1991
 
ROBERT BOSCH LLC (1)
8,401,730 Good checking for vehicle lateral acceleration sensor 0 2010
 
SPHERICON LTD. (1)
6,756,903 Driver alertness monitoring system 10 2001
 
TOYOTA JIDOSHA KABUSHIKI KAISHA (1)
6,078,851 Apparatus for discriminating anomaly of detecting device 12 1998
 
VALEO ELECTRONIQUE (1)
5,283,741 Control apparatus for a vehicle power steering system 6 1991
 
Other [Check patent profile for assignment information] (2)
5,712,618 Method and apparatus for an automatic signaling device 13 1995
8,467,929 Good checking for vehicle wheel speed sensors 0 2010