Image forming apparatus with security feature which prevents cop

Details Image forming apparatus with security feature which prevents cop Image forming apparatus with security feature which prevents cop

1994-09-14

1997-07-08

Mancuso, Joseph

Image analysis

Applications

283902, 382135, 382137, 399366, 399 42, G06K 900

Patent

active

056470100

ABSTRACT:
In a digital copier, facsimile machine, scanner, image filing apparatus or similar apparatus, an image processing device is provided with a capability of surely identifying confidential or secrecy documents which should be protected from unauthorized persons. The confidential or inhibited documents are provided with inhibition patterns by printing or copying over the entire surfaces thereof. The device prevents image data representative of this kind of documents from being improperly copied, transferred, stored or input.

REFERENCES:
patent: 4586811 (1986-05-01), Kubo et al.
patent: 4739377 (1988-04-01), Allen
patent: 4791449 (1988-12-01), Foley et al.
patent: 4882604 (1989-11-01), Kato et al.
patent: 4953013 (1990-08-01), Tsuji et al.
patent: 4974261 (1990-11-01), Nakahara et al.
patent: 4998122 (1991-03-01), Kanno et al.
patent: 5291243 (1994-03-01), Heckman et al.
patent: 5321470 (1994-06-01), Hasuo et al.
patent: 5343524 (1994-08-01), Mu et al.
patent: 5351138 (1994-09-01), Sasaki et al.
patent: 5363202 (1994-11-01), Udagawa et al.
patent: 5408339 (1995-04-01), Sasaki et al.
patent: 5418602 (1995-05-01), Nishikawa
patent: 5424807 (1995-06-01), Ohmura
patent: 5426710 (1995-06-01), Suzuki et al.
patent: 5481377 (1996-01-01), Udagawa et al.
IBM Technical Disclosure Bulletin, vol. 18, No. 1, pp. 59-60, Jun. 1975, G.D. Bruce, "Unauthorized Copy Prevention".

Affiliated with

Also associated with

Rating

Image forming apparatus with security feature which prevents cop does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Image forming apparatus with security feature which prevents cop, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Image forming apparatus with security feature which prevents cop will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2413385