Automatic focusing adjustment device

Details Automatic focusing adjustment device Automatic focusing adjustment device

1985-05-30

1987-02-17

Perkey, William B.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358228, G03B 300, H04N 5238

Patent

active

046435565

ABSTRACT:
In the disclosed device, a beam splitting member splits the light reflected from an object to be photographed into two parts. One part of the split-off light is reflected back through the beam splitting member to a photoelectric transducer. An output signal from the photoelectric transducer is used for focusing adjustment.

REFERENCES:
patent: 4533226 (1985-08-01), Odone

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