Non-stage transmission control system

Details Non-stage transmission control system Non-stage transmission control system

Filed on

1993-09-02

Date issued

1995-10-24

Examiner

Teska, Kevin J.

Patent Class

Boots, shoes, and leggings

Other Related Categories

361152, 361194, 361205, 123479, 123490, 192 84R, 192 363, 192 358, 192 331, 477 28, 477 49, 477174, 477179, 180142, 74336R, 74335, F15B 100

Type

Patent

Status

active

Patent number

054615631

Description

ABSTRACT:
In a non-stage transmission control system, the output current instruction signal of a microcomputer is provided as a pulse-width-modulated signal, with a result that the number of signal lines from the microcomputer is reduced. Furthermore, the current feedback signal of a solenoid is applied to the microcomputer, for detection of abnormal conditions, and a quick break resistor is connected in series to a feedback diode to increase the current reduction rate of the solenoid.

REFERENCES:
patent: 4283970 (1981-08-01), Vukovich
patent: 4457411 (1984-07-01), Hiramatsu
patent: 4527678 (1985-07-01), Pierce et al.
patent: 4589401 (1986-05-01), Karim et al.
patent: 4854920 (1989-08-01), Mimura

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