Position encoder employing charge transfer circuit

Details Position encoder employing charge transfer circuit Position encoder employing charge transfer circuit

1976-06-28

1978-09-12

Sloyan, Thomas J.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

235 92MP, 340347P, H01J 3912, H03K 1302

Patent

active

041140354

ABSTRACT:
An element, the position of which it is desired to sense, controls the illumination of a charge transfer register. In one embodiment, for example, the element controls the position of a mask between a light source and a linear CCD array to thereby control the number of CCD stages which will receive photon induced charge signals. These signals, when shifted out of the register, may be employed directly as a digital manifestation indicative of position or may be converted to another form of such a manifestation.

REFERENCES:
patent: 2896086 (1959-07-01), Wunderman
patent: 3518660 (1970-06-01), Nicklas et al.
patent: 3588452 (1971-06-01), Kee
patent: 3639729 (1972-02-01), Marshall
patent: 3760356 (1973-09-01), Srivastava
patent: 3845295 (1974-10-01), Williams et al.
patent: 3861480 (1975-01-01), Zucker et al.
patent: 3882302 (1975-05-01), Deichmiller et al.
patent: 3956629 (1976-05-01), Gomm et al.
patent: 4013832 (1977-03-01), Douglas

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