The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 27, 1984

Filed:

Aug. 21, 1981
Applicant:
Inventors:

Makoto Sato, Fukuoka, JP;

Yoshikazu Tsuchiya, Fujimi, JP;

Taiji Ohmori, Kawagoe, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60T / ;
U.S. Cl.
CPC ...
364426 ; 303 97 ; 303 98 ; 303111 ;
Abstract

A method and apparatus for controlling an anti-skid brake in a vehicle, in which an estimated vehicle speed signal is obtained by selecting the higher value signal from wheel speed signals of the front and rear wheels at the left and right side and anti-skid brake devices for the front and rear wheels are independently controlled by independent signals. In this way, the anti-skid brake control can always be performed assuredly while preventing locking of the wheels on slippery roads while also preventing unnecessary anti-skid braking operations at the time of sharp turning. In a modified method and apparatus, control of the anti-skid brake of the rear wheel on the left or right side is effected according to vehicle speed estimated from the speed of a front wheel on the right or left side, whereby gradual locking of the wheels at the time of braking on a slippery road is prevented, and the anti-skid brake control can always be accomplished assuredly and excellent braking effects can always be obtained.


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