Method of optical scanning

Details Method of optical scanning Method of optical scanning

1974-10-30

1976-05-11

Griffin, Robert L.

Telegraphy

Systems

Simplex-reversing periodic

178 71, 178DIG27, 178DIG28, 250236, H04M 104

Patent

active

039565866

ABSTRACT:
Several embodiments of an optical scanning system are disclosed which employ an accessible entrance pupil interposed between an image and a scanning device for isolating rays of light from the image without focusing the rays, thereby eliminating the aberrations associated with focusing. The disclosure shows the use of rotating mirrors spaced from the axis of rotation being employed for line scanning. A tilting mirror is also disclosed which converts the line scanners into complete image scanners.

REFERENCES:
patent: 1986187 (1935-01-01), Dowsett
patent: 2139869 (1938-12-01), Traub
patent: 3765743 (1973-10-01), Reaves
patent: 3845298 (1974-10-01), Rumciman

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