US4556915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Image reproduction device
Assignee: Canon Inc
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Filing: 1984-07-31
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Granted: 1985-12-03
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Expires: 2004-07-31
Abstract
Abstract This invention provides an image reproduction device having a horizontal coordinate memory, a vertical coordinate memory and a domain code memory which comprise respectively a RAM, horizontal and vertical counters, horizontal and vertical coordinate comparators, an addressable latch for the horizontal coordinate comparator and an addressable latch for the vertical coordinate comparator, gate circuits and an A/D converter. The image reproduction device prevents recording in black of a portion surrounding the original when the size of a recording medium is larger than that of the original, thus preventing poor appearance of the image reproduced on recording medium.
Inventors
- 👤 Takehiko Shibata
- 👤 Yoshikazu Yokomizo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:04
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/38
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
187 words
An image reproduction device comprising: means for electrically reading an original image to generate a video signal; means for manually entering a plurality of coordinate data to designate a desired domain of the original; first storage means for storing said plurality of coordinate data entered via said entering means, said first storage means having a plurality of memory portions; means for controlling said first storage means so as to store each of said plurality of coordinate data entered via said entering means in an associated one of said memory portions; means for selecting an image within the domain designated by said entering means or an image outside of said domain; second storage means for storing selection status information of the image; and means for processing the video signal generated from said reading means such that, in accordance with the content of said first and second storage means, the video signal representing the image selected by said selecting means is converted into a specific signal, and the video signal representing the image which is not selected is derived as it is, without being converted into the specific signal.
Claim 2
Dependent Claim
187 words
An image reproduction device comprising: means for electrically reading an original image to generate a video signal; means for manually entering a plurality of coordinate data to designate a desired domain of the original; first storage means for storing said plurality of coordinate data entered via said entering means, said first storage means having a plurality of memory portions; means for controlling said first storage means so as to store each of said plurality of coordinate data entered via said entering means in an associated one of said memory portions; means for selecting an image within the domain designated by said entering means or an image outside of said domain; second storage means for storing selection status information of the image; and means for processing the video signal generated from said reading means such that, in accordance with the content of said first and second storage means, the video signal representing the image selected by said selecting means is converted into a specific signal, and the video signal representing the image which is not selected is derived as it is, without being converted into the specific signal.
Claim 3
Dependent Claim
23 words
A device according to claim 1, wherein said reading means is a one dimensional image sensor consisting of a plurality of photo-receiving elements.
Claim 4
Dependent Claim
20 words
A device according to claim 1, wherein said entering means has numeral input means for manually designating a desired domain.
Claim 5
Dependent Claim
32 words
A device according to claim 1, wherein said processing means converts the video signal associated with the image selected by said selecting means into the video signal corresponding to a white image.
Claim 6
Dependent Claim
29 words
A device according to claim 1, further comprising means for discriminating whether or not the video signal corresponds to the image within the domain designated by said entering means.
Claim 7
Dependent Claim
32 words
A device according to claim 1, wherein said processing means converts the video signal associated with the image selected by said selecting means into the video signal corresponding to a black image.
Claim 8
Dependent Claim
21 words
A device according to claim 1, further comprising means for forming the image based on the output from said processing means.
Claim 9
Dependent Claim
29 words
A device according to claim 1, wherein said entering means is adapted to enter coordinate data representing a plurality of apexes of a desired rectangular domain of the original.
Claim 10
Dependent Claim
23 words
A device according to claim 1, wherein said processing means includes gate means for gating the video signal generated from said reading means.
Claim 11
Dependent Claim
23 words
A device according to claim 1, wherein said control means selects the memory portion in which the coordinate data is to be stored.
Claim 12
Dependent Claim
19 words
A device according to claim 1, further comprising means for displaying the coordinate data entered via said entering means.
References Cited (Backward Citations)
US4257070A
Cited
US4327380A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-12-02 | 1989-06-03 | 1989-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-12-02 | 1993-06-03 | 1993-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-12-02 | 1997-06-03 | 1997-12-03 | $7700.00 | Window Closed / Lapsed |