Line scan reader/writer by holographic collection

Details Line scan reader/writer by holographic collection Line scan reader/writer by holographic collection

1982-04-15

1984-12-11

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250566, 350 372, H01J 516

Patent

active

044880421

ABSTRACT:
An electro-optical scanner which can write and read with common optics by using a phase hologram near the focal plane of the scanned surface.

REFERENCES:
patent: 4199219 (1980-04-01), Suzuki et al.
patent: 4312559 (1982-01-01), Kojima et al.
patent: 4429220 (1984-01-01), Noguchi
IBM Technical Disclosure, Formation of Optical Elements By Holography, G. T. Sincerbox, Aug. 1967, pp. 267-268.

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