Multi-function control system

Details Multi-function control system Multi-function control system

1979-10-29

1981-08-04

Peters, Jr., Joseph F.

Motor vehicles

With means for controlling operation responsive to...

180 65, 180DIG3, 250221, 318 16, B62D 124, B62D 1104

Patent

active

042817340

ABSTRACT:
A multi-function control system for generating control signals in response to the movement of an operator's body is disclosed.
An arrangement of the multi-function control system for controlling the speed and direction of a wheelchair (12) includes a mirror (16) for mounting on the head of the operator, a housing (20) attached to the wheelchair, a light source (26) within the housing for shining on the mirror, light sensors (30, 32, 34, and 36) for sensing the light reflected by the mirror, and a control circuit (38) for driving the wheelchair motors (70 and 72) in response to the output signals of the light sensors. The housing forms an opening facing toward the mirror when the operator's head is in the normal forward position.
The control circuit includes an input (39) that responds to the output signals of the light sensors, a signal processing circuit (43), and an output (53) which responds to the signal processing circuit.
The multi-function control system allows the operator to control the speed and direction of the wheelchair using only slight head movements without bulky equipment being connected to the operator and without electrical connections between apparatus carried on the operator's body and the wheelchair.

REFERENCES:
patent: 3037570 (1962-06-01), Olson
patent: 3106371 (1963-10-01), Brannin et al.
patent: 3111181 (1963-11-01), Yatich
patent: 3374845 (1968-03-01), Selwyn
patent: 3654477 (1972-04-01), Benjamin, Jr.
patent: 3737685 (1973-06-01), Sharp, Jr.
patent: 3806725 (1974-04-01), Leitz
patent: 4078627 (1978-03-01), Brown et al.
patent: 4207959 (1980-06-01), Youdin et al.

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