Nonlinear digital transducer based on the Gray's encoding

Details Nonlinear digital transducer based on the Gray's encoding Nonlinear digital transducer based on the Gray's encoding

1981-05-19

1983-05-03

Sloyan, T. J.

Communications: electrical

Audible indication

Percussion-type sound producer

123337, 261 1, 261 62, 250231SE, 340347M, H03K 1318

Patent

active

043822509

ABSTRACT:
For electronically detecting the displacements of a movable member, such as the throttle of an internal combustion engine an encoding card adapted to the Gray's encoding method is matched with said movable member and an array of phototransistors and photodiodes reads the opaque and the transparent windows formed through the movable member as they pass before the photodiodes so that voltage signals are generated which represent the digit 1 when a transparent window is read out and the digit 0 when an opaque window is read out, the arrangement and the sizes of the windows are in accordance with the Gray's rules of encoding.

REFERENCES:
patent: 3358279 (1967-12-01), Chope
patent: 4116000 (1978-09-01), Martin et al.

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