Automotive motor-driven device controlling and driving system

Details Automotive motor-driven device controlling and driving system Automotive motor-driven device controlling and driving system

1990-04-26

1991-02-05

Ro, Bentsu

Electricity: motive power systems

Nonmagnetic motor

318118, 310317, H02N 200

Patent

active

049908359

ABSTRACT:
An automotive motor-driven device controlling and driving system for controlling and driving the respective ultrasonic linear motors of a plurality of automotive motor-driven devices, such as power seats, power windows and power antenna. The automotive motor-driven device controlling and driving system comprises a power circuit connected to the battery of an automobile, a single ultrasonic oscillator, a plurality of power amplifiers having input terminals connected to the power circuit and the ultrasonic oscillator, and output terminals connected through motor control switches to the ultrasonic linear motors, respectively, and a control unit for controlling the power circuit, the ultrasonic oscillator and the power amplifiers.

REFERENCES:
patent: 3889166 (1975-06-01), Scurlock
patent: 3951000 (1976-04-01), Ferriss et al.
patent: 3975650 (1976-08-01), Payne
patent: 4056761 (1977-11-01), Jacoby et al.
patent: 4257103 (1981-03-01), Suzuki et al.
patent: 4289997 (1981-09-01), Jung et al.
patent: 4774441 (1988-09-01), Toyomasu et al.

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