Method and apparatus for scanning and for electronic processing

Details Method and apparatus for scanning and for electronic processing Method and apparatus for scanning and for electronic processing

1978-06-13

1980-09-09

Martin, John C.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358212, 358199, 358205, 250334, H04N 533, H04N 312, H01L 1700, H04N 302

Patent

active

042220653

ABSTRACT:
A scanning arrangement in which the scanning speed at right angles to line direction is selected so that every line becomes scanned anew by the following element in picture direction. Reproduction is carried out by way of a series arrangement of luminous diodes. The light-emitting diodes (LEDs) are arranged geometrically corresponding to the detector array. For scanning the thermal picture, use is made of a polygon prism permeable for thermal radiation and beams; for reproduction use is made of a polygon prism permeable for visible radiation or beams. Both prisms are located on the same pivot axis and the scanning of the thermal picture, as well as the reproduction of the visible picture in line direction is achieved by turning both polygons and scanning in picture direction is achieved by tilting the pivot axis.

REFERENCES:
patent: 3142761 (1964-07-01), Rabimow
patent: 3723642 (1973-03-01), Laakmann
patent: 3941923 (1976-03-01), Wheeler
patent: 4004087 (1977-01-01), Ennulat

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