Facsimile and static presentation processing – Natural color facsimile – Image reproduction
Patent
1994-06-24
1995-08-08
Rogers, Scott A.
Facsimile and static presentation processing
Natural color facsimile
Image reproduction
358401, 358468, 355201, 382 17, 382165, 283902, H04N 100, H04N 144
Patent
active
054404096
ABSTRACT:
An image forming apparatus, such as a copier, includes an unapproved copy preventor mechanism. The image forming apparatus includes a support such as a platen glass for supporting an original document; a light irradiation source for irradiating the original document with a light beam; and a detectors for detecting predetermined wavelength components of a reflected light from the original document which is irradiated with the irradiating light beam. The detector generates detection signals based on the detection of the predetermined wavelength components of the reflected light. An evaluator circuit determines whether the original document is a document which prohibits a production of an unapproved copy based on the detection signals.
REFERENCES:
patent: 4586811 (1986-05-01), Kubo et al.
patent: 5321470 (1994-06-01), Hasuo et al.
Ikeda Masaaki
Izawa Tadashi
Sugano Masashi
Yamazaki Yoshio
Konica Corporation
Rogers Scott A.
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