Patent US4792980A successfully refreshed from Google Patents.
US4792980A
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Image transmission system
Assignee: Canon Inc
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Filing: 1987-01-09
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Granted: 1988-12-20
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Expires: 2007-01-09
Abstract
Abstract An image transmission system in which plural image processing devices are connected mutually in a loop form through optical fibers for high-speed transmission of image information. The information to be transmitted is represented by an image packet and a command packet, both of which are transmitted through a common optical fiber.
Inventors
- 👤 Katsuichi Shimizu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:51
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/00095; H04N1/00111; H04L; H04L12/00; H04L12/28; H04L12/42; H04L12/427; H04L12/433
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
153 words
An image processing system comprising: a plurality of reading means, each operable for reading an original image and for generating an image signal representative of said original image; a plurality of image processing means each operable for processing an image signal; and transmitting means for transmitting the image signal obtained from one original image reading by any one of said reading means to said plurality of image processing means; said system being constructed to perform an image processing operation in which any selected one of said reading means is used for original reading, said plurality of image processing means being capable of performing image signal processing respective different numbers of times, and said selected one of said reading means performing original image reading a number of times corresponding to the maximum of the number of times of image signal processing to be performed by individual ones of said plurality of image processing means.
Claim 2
Dependent Claim
153 words
An image processing system comprising: a plurality of reading means, each operable for reading an original image and for generating an image signal representative of said original image; a plurality of image processing means each operable for processing an image signal; and transmitting means for transmitting the image signal obtained from one original image reading by any one of said reading means to said plurality of image processing means; said system being constructed to perform an image processing operation in which any selected one of said reading means is used for original reading, said plurality of image processing means being capable of performing image signal processing respective different numbers of times, and said selected one of said reading means performing original image reading a number of times corresponding to the maximum of the number of times of image signal processing to be performed by individual ones of said plurality of image processing means.
Claim 3
Dependent Claim
30 words
An image processing system according to claim 1, wherein said transmitting means defines a closed transmission loop serially interconnecting said plurality of reading means, and said plurality of processing means.
Claim 4
Dependent Claim
46 words
An image processing system according to claim 2, wherein said sytem is operable in a mode in which, for one transmission of an image signal around said loop, said image signal can be used by any designated one or more of said plurality of processing means.
Claim 5
Dependent Claim
83 words
An image processing system according to claim 3, wherein said system is operable such that for each original reading by any one of said reading means, the image signal produced thereby is transmitted once around said transmission loop, and such that each of the image processing means which is required to perform image signal processing uses the image signal once for each of a number of the loop transmissions corresponding to the number of image signal processings required of that image processing means.
Claim 6
Dependent Claim
17 words
An image processing system according to claim 1, wherein said transmitting means optically transmits said image signals.
Claim 7
Dependent Claim
30 words
An image processing system according to claim 4, wherein each of said image processing means oomprises an image recording means for image recording in accordance with the received image signal.
Claim 8
Dependent Claim
124 words
An image processing system comprising: means for reading an original image and for generating an image signal representative of said original image; a plurality of image processing means each operable for processing the image signal generated by said reading means; and transmitting means for transmitting the image signal obtained from one original image reading by said reading means to said plurality of image processing means; said plurality of image processing means being constructed to perform image signal processing individually selectable numbers of times, and said reading means being constructed to perform original image reading a number of times corresponding to the maximum of the numbers of times of image signal processing to be performed by individual ones of said plurality of image processing means.
Claim 9
Dependent Claim
124 words
An image processing system comprising: means for reading an original image and for generating an image signal representative of said original image; a plurality of image processing means each operable for processing the image signal generated by said reading means; and transmitting means for transmitting the image signal obtained from one original image reading by said reading means to said plurality of image processing means; said plurality of image processing means being constructed to perform image signal processing individually selectable numbers of times, and said reading means being constructed to perform original image reading a number of times corresponding to the maximum of the numbers of times of image signal processing to be performed by individual ones of said plurality of image processing means.
Claim 10
Dependent Claim
28 words
An image processing system according to claim 7, wherein said transmitting means defines a closed transmission loop serially interconnecting said reading means and said plurality of processing means.
Claim 11
Dependent Claim
46 words
An image processing system according to claim 8, wherein said system is operable in a mode in which for one transmission of an image signal around said loop, said image signal can be used by any designated one or more of said plurality of processing means.
Claim 12
Dependent Claim
81 words
An image processing system according to claim 9, wherein said system is constructed to operate such that for each original reading by said reading means the image signal produced is transmitted once around said transmission loop, and such that each of said image processing means which is required to perform image signal processing uses the image signal once for each of a number of the loop transmissions corresponding to the number of image signal processings required of that image processing means.
Claim 13
Dependent Claim
17 words
An image processing system according to claim 7 wherein said transmitting means optically transmits said image signals.
Claim 14
Dependent Claim
30 words
An image processing system according to claim 7, wherein each of said image processing means comprises an image recording means for image recording in accordance with the received image signal.
Claim 15
Dependent Claim
112 words
An image processing system comprising: reading means for reading an original image and for generating an image signal representative of said original image; and transmitting means for transmitting the image signal obtained from one original image read by said reading means to a plurality of image processing means; wherein each of said plurality of image processing means is operable to perform image processing for an individually selectable number of times, and wherein said reading means is adapted to perform original image reading a number of times corresponding to the maximum of the numbers of times of image signal processing to be performed by individual ones of said plurality of image processing means.
Claim 16
Dependent Claim
112 words
An image processing system comprising: reading means for reading an original image and for generating an image signal representative of said original image; and transmitting means for transmitting the image signal obtained from one original image read by said reading means to a plurality of image processing means; wherein each of said plurality of image processing means is operable to perform image processing for an individually selectable number of times, and wherein said reading means is adapted to perform original image reading a number of times corresponding to the maximum of the numbers of times of image signal processing to be performed by individual ones of said plurality of image processing means.
Claim 17
Dependent Claim
24 words
An image processing system according to claim 13, wherein said transmitting means defines a closed transmission loop serially interconnecting said plurality of processing means.
Claim 18
Dependent Claim
32 words
An image processing system according to claim 13, wherein said transmitting means is operable to transmit the image signal to any designated one or more of said plurality of image processing means.
Claim 19
Dependent Claim
48 words
An image processing system according to claim 13, wherein said reading means is operable to read the same original image a number of times corresponding to the maximum number of times image signal processing is to be performed by individual ones of said plurality of image processing means.
Claim 20
Dependent Claim
17 words
An image processing system according to claim 13, wherein said transmitting means optically transmits said image signal.
Claim 21
Dependent Claim
30 words
An image processing system according to claim 13, wherein each of said image processing means comprising an image recording means for image recording in accordance with the received image signal.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-12-20 | 1992-06-20 | 1992-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-12-20 | 1996-06-20 | 1996-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-12-20 | 2000-06-20 | 2000-12-20 | $7700.00 | Window Closed / Lapsed |