EP0051294A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Picture size conversion circuit
Assignee: Toshiba Corp
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Filing: 1981-10-29
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Granted: —
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Expires: 2001-10-29
Abstract
Abstract Picture information stored in a memory device (13) is read out and written into a page buffer (5) and visually displayed on the screen of a CRT display (16) under control of an interface unit (10) for display, through a size conversion circuit (7).
Inventors
- 👤 Kazuhiko Iida
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-06 14:58
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/21; H04N1/2166; H04N1/2195; G; G06; G06K; G06K17/00; G06K17/0016; G06T; G06T3/00; G06T3/40; H04N1/217; H04N1/2175; H04N1/32; H04N1/32502; H04N1/32507; H04N1/32512; H04N1/32523; H04N1/32529; H04N1/32561; H04N1/387; H04N1/3872; H04N1/3873; H04N1/3875; H04N2201/00; H04N2201/0077; H04N2201/0081; H04N2201/0082; H04N2201/0087; H04N2201/0089
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
67 words
A document filing system comprising means (11) for reading out picture information on a document, means (13) for storing the read out picture information, means (15, 16) for reading out the stored picture information, a size conversion circuit (7) for performing the magnifying or reducing the read out information, and means (2, 10, 15) for controlling the magnifying or reducing operation of the size conversion circuit (7).
Claim 2
Dependent Claim
67 words
A document filing system comprising means (11) for reading out picture information on a document, means (13) for storing the read out picture information, means (15, 16) for reading out the stored picture information, a size conversion circuit (7) for performing the magnifying or reducing the read out information, and means (2, 10, 15) for controlling the magnifying or reducing operation of the size conversion circuit (7).
Claim 3
Dependent Claim
54 words
A document filing system according to claim 1, further including means (4) for storing index information corresponding to the read out picture information, said index information including document size information, and means (15, 16) for reading out the stored index information and for reading out the picture information according to the selected index information.
Claim 4
Dependent Claim
38 words
A document filing system according to claim 2, further including means for controlling the magnifying or reducing operation of the size conversion circuit (7) according to the document size information which is included in the selected index information.
References Cited (Backward Citations)
No citation records indexed.
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