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US5140440A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of detecting a processing area of a document for an image forming apparatus

Assignee: Ricoh Co Ltd
•
Filing: 1990-03-28
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Granted: 1992-08-18
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Expires: 2010-03-28
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Abstract

Abstract A method of detecting a particular area of a document where an image to be processed exists, and applicable to an image forming apparatus. Image information representative of an image printed on a document and position information representative of a marked area of the image data are detected. The image information lying in the marked area is extracted, erased, inverted as to black and white or otherwise processed on the basis of the detected image information and position information and without a mark being directly written on the document.

Inventors

  • 👤 Tomio Sasaki

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 11:22
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/38

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 73 words
A method of detecting an area of a document where an image to be produced exists, comprising the steps of: (a) reading an image printed on a document to generate image information; (b) storing said image information; (c) reading position information associated with said docmuent from a sheet, other than said document, on which said position information is entered; and (d) processing said image information on the basis of said position information .
Claim 2
Independent Claim 73 words
A method of detecting an area of a document where an image to be produced exists, comprising the steps of: (a) reading an image printed on a document to generate image information; (b) storing said image information; (c) reading position information associated with said docmuent from a sheet, other than said document, on which said position information is entered; and (d) processing said image information on the basis of said position information .
Claim 3
Dependent Claim 21 words
A method as claimed in claim 1, wherein step (c) comprises (e) using a copy of said document as said sheet.
Claim 4
Dependent Claim 19 words
A method as claimed in claim 1, wherein step (c) comprises (e) using a blank copy as said sheet.
Claim 5
Independent Claim 96 words
A method of detecting an area of a document where an image to be produced exists, comprising the steps of: (a) reading an image printed on a document; (b) determining whether or not position information associated with said document is included in a signal representative of said document; (c) determining whether or not a processing mode for editing an image has been set up; and (d) discharging, when said processing mode has been set up and said position data associated with said document does not included said signal, a paper sheet for specifying said position information.
Claim 6
Independent Claim 96 words
A method of detecting an area of a document where an image to be produced exists, comprising the steps of: (a) reading an image printed on a document; (b) determining whether or not position information associated with said document is included in a signal representative of said document; (c) determining whether or not a processing mode for editing an image has been set up; and (d) discharging, when said processing mode has been set up and said position data associated with said document does not included said signal, a paper sheet for specifying said position information.
Claim 7
Dependent Claim 22 words
A method as claimed in claim 4, wherein step (d) comprises (e) using a copy of said document as said paper sheet.
Claim 8
Dependent Claim 20 words
A method as claimed in claim 4, wherein step (d) comprises (e) using a blank copy as said paper sheet.

References Cited (Backward Citations)

US4538183A Cited
US4733304A Cited
US4985930A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1995-08-18 1996-02-17 1996-08-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1999-08-18 2000-02-17 2000-08-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2003-08-18 2004-02-17 2004-08-18 $7700.00 Window Closed / Lapsed

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