Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1974-06-24
1976-03-16
Borchelt, Archie R.
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
250201, 250216, 250236, 356151, 356169, G01B 1126
Patent
active
039448215
ABSTRACT:
In the measurement of angular position the phenomena of moire or watered configurations produced by a grating on a disc is used.
REFERENCES:
patent: 3098186 (1963-07-01), Williamson et al.
patent: 3153111 (1964-10-01), Barber et al.
patent: 3198061 (1965-08-01), Hock
Borchelt Archie R.
LaRoche E. R.
Societe Avions Marcel Dassault -Brequet Aviation
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