Scanning-image forming apparatus using photo response signal

Details Scanning-image forming apparatus using photo response signal Scanning-image forming apparatus using photo response signal

1981-10-15

1984-06-05

Chin, Tommy P.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358209, 358166, 358284, 364732, H04N 718

Patent

active

044531818

ABSTRACT:
A scanning-image forming apparatus using a photo-response signal according to this invention is constructed so that the photo-response signal obtained by scanning the surface of a semiconductor specimen with a photon beam is subjected to a 2nd differentiation, and that an image is displayed by employing the 2nd derivative of the photo-response signal as a modulation signal.

REFERENCES:
patent: 2962550 (1960-11-01), Brink
patent: 3450885 (1969-06-01), Willes
patent: 4213155 (1980-07-01), Muenchow et al.
patent: 4335407 (1982-01-01), Atoti et al.

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