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:
Feb. 23, 1999

Filed:

Sep. 19, 1996
Applicant:
Inventors:

Susumu Takahashi, Wako, JP;

Yutaka Horiuchi, Wako, JP;

Yutaka Maruyama, Wako, JP;

Yoshikazu Nojiri, Wako, JP;

Ryo Suzuki, Wako, JP;

Toshio Yahagi, Wako, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60T / ;
U.S. Cl.
CPC ...
303194 ; 303196 ;
Abstract

In an anti-lock brake control system, an actuator is controlled based on at least a slip rate determined in a slip rate calculating device and an output from a low-pass filter for filtering a wheel acceleration determined in a wheel acceleration calculating device, thereby switching-over the braking-pressure reducing, maintaining and increasing modes from one to another. The braking pressure-reduction control provided by an operation control device is terminated in response to the wheel acceleration determined in the wheel acceleration calculating device becoming equal to or larger than a preset value. Thus, it is possible to prevent an excessive pressure reduction during an anti-lock brake control on a road surface having a high coefficient of friction.


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