Apparatus for the photographic reception of images transmitted b

Details Apparatus for the photographic reception of images transmitted b Apparatus for the photographic reception of images transmitted b

1981-04-21

1983-08-30

Stellar, George G.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358287, H04N 104, H04N 140

Patent

active

044020163

ABSTRACT:
The apparatus comprises a laser providing a beam of modulated intensity which sweeps a photo-sensitive sheet driven by a stepping motor. An analog signal received by the apparatus is demodulated and sampled, the samples representing elementary points. These samples are transformed into digital signals and memorized in two memories connected in tandem. A line of points is recorded once and reproduced 2.n times, an image point being constituted by the repetition of 2 times 21/2 elementary points. The signals memorized are retransformed into analog signals for the modulation of the laser. An enlargement may be obtained by the repetition of each elementary point and of each line.

REFERENCES:
patent: 4318134 (1982-03-01), Partridge

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