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.
Patent No.:
Date of Patent:
Jun. 25, 2002
Filed:
Mar. 26, 2001
Applicant:
Inventors:
Atsushi Hanawa, Aichi-ken, JP;
Koichi Miyamoto, Toyota, JP;
Assignee:
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 7/00 ;
U.S. Cl.
CPC ...
G06F 7/00 ;
Abstract
A speed change control system for an automatic transmission, for selectively switching a plurality of speed change control modes of different speed change control contents to control a gear ratio of an automatic transmission disposed on an output side of a prime mover. A first speed change control mode is selected if an output demand for the prime mover is in a predetermined state, and the first speed change control mode is switched to a second speed change control mode, if a physical quantity relating to a speed of the prime mover is in a predetermined state when the first speed change control mode is selected.