Autofocussing system having anamorphic optics

Details Autofocussing system having anamorphic optics Autofocussing system having anamorphic optics

1991-12-18

1993-08-17

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

354406, G02B 728

Patent

active

052371670

ABSTRACT:
Anamorphic optics in a phase correlation autofocussing system modify the aspect ratio of separation images that are incident on a separation image signal conversion means such as a CCD array, thus enabling the autofocussing to be carried out with respect to a plurality of subjects at the extremes of a subject field.

REFERENCES:
patent: 3364830 (1968-01-01), Aschenbrenner et al.
patent: 3644037 (1972-02-01), Larraburu
patent: 4158134 (1979-06-01), Martin et al.
patent: 4766302 (1988-08-01), Ishida et al.
patent: 4970384 (1990-11-01), Kambe et al.
patent: 5024529 (1991-06-01), Svetkoff et al.

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