Method and apparatus for controlling lumbar support device

Details Method and apparatus for controlling lumbar support device Method and apparatus for controlling lumbar support device

1990-10-23

1991-11-12

Ro, Bentsu

Electricity: motive power systems

Motor-reversing

Periodic- or intermittent-reversing

297284, H02P 122

Patent

active

050650793

ABSTRACT:
A method and apparatus for controlling a lumbar support device provided in the seat back of an automotive seat. The control for support against the lumbar of an occupant on the seat is effected through manual and automatic control modes, and the automatic control mode emits alternating pulses for causing repeated alternating series of normal and reverse drives of a motor, to thereby move a lumbar support plate reciprocally forwards and backwards, offering a massage effect to the occupant's lumbar part.

REFERENCES:
patent: 4467252 (1984-08-01), Takeda et al.
patent: 4840425 (1989-06-01), Noble
patent: 4938528 (1990-07-01), Scott
patent: 4940284 (1990-07-01), Nagasaka
patent: 4944554 (1990-07-01), Gross et al.
patent: 4950032 (1990-08-01), Nagasaka
patent: 4966410 (1990-10-01), Bishai
patent: 4981131 (1991-01-01), Hazard

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