US5940192A
Expired / Lapsed
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Image processing apparatus
Assignee: Canon Inc
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Filing: 1995-06-07
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Granted: 1999-08-17
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Expires: 2015-06-07
Abstract
Abstract An image processing apparatus includes a plurality of memories for storing input image data in units of lines, and a processing unit for controlling write and read access operations of the memories to perform mosaic processing of an input image.
Inventors
- 👤 Hiroyuki Ichikawa
- 👤 Yoshinori Ikeda
- 👤 Koichi Katoh
- 👤 Mitsuru Kurita
- 👤 Yasumichi Suzuki
- 👤 Toshiyuki Kitamura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 10:36
CPC Classifications
G; G06; G06T; G06T3/00; G06T3/40; G06T3/4038; G06T3/4023; H; H04; H04N; H04N1/00; H04N1/387; H04N1/3871; H04N1/3872; H04N1/3873; H04N1/40; H04N1/40062; H04N1/40068; H04N1/40093; H04N1/46; H04N1/56; H04N1/60; H04N1/6072
Claims Analysis
Total Claims: 52
Claim 1
Independent Claim
129 words
A color image forming apparatus comprising: input means for inputting color component data of a color image; processing means for processing the color component data and outputting color reproduction data sequentially; and image forming means for sequentially forming a plurality of color component images on a medium based on the color reproduction data, wherein said processing means includes extracting means for extracting data from color component data of an area of the color image, memory means for storing the extracted data, and control means for controlling said memory means in synchronism with a predetermined timing signal so that the same data is read out from said memory means a plurality of times to produce image data to be formed on the medium in the area of the color image.
Claim 2
Dependent Claim
129 words
A color image forming apparatus comprising: input means for inputting color component data of a color image; processing means for processing the color component data and outputting color reproduction data sequentially; and image forming means for sequentially forming a plurality of color component images on a medium based on the color reproduction data, wherein said processing means includes extracting means for extracting data from color component data of an area of the color image, memory means for storing the extracted data, and control means for controlling said memory means in synchronism with a predetermined timing signal so that the same data is read out from said memory means a plurality of times to produce image data to be formed on the medium in the area of the color image.
Claim 3
Dependent Claim
20 words
An apparatus according to claim 1, wherein said processing means comprises a common circuit for outputting the color reproduction data.
Claim 4
Dependent Claim
25 words
An apparatus according to claim 1, wherein said memory means comprises a plurality of storage means for storing the extracted data in units of lines.
Claim 5
Dependent Claim
17 words
An apparatus according to claim 1, wherein said predetermined timing signal is from said image forming means.
Claim 6
Dependent Claim
27 words
An apparatus according to claim 1, further comprising magnification control means for variably magnifying an image represented by the color component data by using said memory means.
Claim 7
Dependent Claim
17 words
An apparatus according to claim 1, wherein said input means comprises a charge coupled device line sensor.
Claim 8
Dependent Claim
24 words
An apparatus according to claim 1, wherein the color component data comprises red, green, and blue data for each pixel of a color image.
Claim 9
Dependent Claim
18 words
An apparatus according to claim 1, wherein the color reproduction data comprises yellow, magenta, cyan and black data.
Claim 10
Dependent Claim
15 words
An apparatus according to claim 1, wherein said image forming means comprises a photosensitive body.
Claim 11
Dependent Claim
16 words
An apparatus according to claim 1, wherein said image forming means comprises a laser beam printer.
Claim 12
Dependent Claim
36 words
An apparatus according to claim 1, wherein the color component data comprises pixel data and the area comprises a plurality of pixels, and wherein said processing means paints all pixels in the area the same color.
Claim 13
Dependent Claim
17 words
An apparatus according to claim 1, further comprising setting means for setting the size of the area.
Claim 14
Independent Claim
119 words
A method for forming a color image comprising the steps of: inputting color component data of a color image; processing the color component data and sequentially outputting color reproduction data; and sequentially forming a plurality of color component images on a medium, respectively, based on the sequentially-output color reproduction data, wherein said processing step includes steps to extract data from the color component data of an area of the color image, and to store the extracted data in a memory in synchronism with a predetermined timing signal so that the same data is read out from the memory a plurality of times to produce image data to be formed on the medium in the area of the color image.
Claim 15
Independent Claim
119 words
A method for forming a color image comprising the steps of: inputting color component data of a color image; processing the color component data and sequentially outputting color reproduction data; and sequentially forming a plurality of color component images on a medium, respectively, based on the sequentially-output color reproduction data, wherein said processing step includes steps to extract data from the color component data of an area of the color image, and to store the extracted data in a memory in synchronism with a predetermined timing signal so that the same data is read out from the memory a plurality of times to produce image data to be formed on the medium in the area of the color image.
Claim 16
Dependent Claim
19 words
A method according to claim 13, wherein said processing step outputs the color reproduction data via a common circuit.
Claim 17
Dependent Claim
29 words
A method according to claim 13, wherein said memory comprises a plurality of storage areas, and wherein the extracted data is stored in the memory in units of lines.
Claim 18
Dependent Claim
25 words
A method according to claim 13, wherein said predetermined timing signal is generated during said step of sequentially forming a plurality of color component images.
Claim 19
Dependent Claim
25 words
A method according to claim 13, further comprising the step of variably magnifying an image represented by the color component data by using said memory.
Claim 20
Dependent Claim
24 words
A method according to claim 13, wherein said color component data is input in said inputting step using a charge coupled device line sensor.
Claim 21
Dependent Claim
24 words
A method according to claim 13, wherein said color component data comprises red, green, and blue data for each pixel in a color image.
Claim 22
Dependent Claim
18 words
A method according to claim 13, wherein the color reproduction data comprises yellow, magenta, cyan and black data.
Claim 23
Dependent Claim
19 words
A method according to claim 13, wherein said plurality of color component images are formed on a photosensitive body.
Claim 24
Dependent Claim
20 words
A method according to claim 13, wherein said plurality of color component images are formed by a laser beam printer.
Claim 25
Dependent Claim
36 words
A method according to claim 13, wherein said color component data comprises pixel data and the area comprises a plurality of pixels, and wherein said processing step paints all pixels in the area the same color.
Claim 26
Dependent Claim
17 words
A method according to claim 13, further comprising the step of setting the size of the area.
Claim 27
Dependent Claim
131 words
A color image forming apparatus comprising: input means for inputting color component data of a color image; processing means for processing the color component data and outputting color reproduction data sequentially; and image forming means for sequentially forming a plurality of color component images on a medium based on the color reproduction data, wherein said processing means includes extracting means for extracting data from the color component data of an area of the color image, memory means for storing the extracted data, and control means for controlling said memory means such that the same extracted data is read out from said memory means a plurality of times in synchronism with a predetermined timing signal to produce image data to be formed on the medium in the area of the color image.
Claim 28
Dependent Claim
131 words
A color image forming apparatus comprising: input means for inputting color component data of a color image; processing means for processing the color component data and outputting color reproduction data sequentially; and image forming means for sequentially forming a plurality of color component images on a medium based on the color reproduction data, wherein said processing means includes extracting means for extracting data from the color component data of an area of the color image, memory means for storing the extracted data, and control means for controlling said memory means such that the same extracted data is read out from said memory means a plurality of times in synchronism with a predetermined timing signal to produce image data to be formed on the medium in the area of the color image.
Claim 29
Dependent Claim
20 words
An apparatus according to claim 25, wherein said processing means comprises a common circuit for outputting the color reproduction data.
Claim 30
Dependent Claim
25 words
An apparatus according to claim 25, wherein said memory means comprises a plurality of storage means for storing the extracted data in units of lines.
Claim 31
Dependent Claim
18 words
An apparatus according to claim 25, wherein said timing signal is a signal from said image forming means.
Claim 32
Dependent Claim
27 words
An apparatus according to claim 25, further comprising magnification control means for variably magnifying an image represented by the color component data by using said memory means.
Claim 33
Dependent Claim
16 words
An apparatus according to claim 25, wherein said input means comprises a charge-coupled device line sensor.
Claim 34
Dependent Claim
24 words
An apparatus according to claim 25, wherein the color component data comprises red, green and blue data for each pixel in a color image.
Claim 35
Dependent Claim
18 words
An apparatus according to claim 25, wherein the color reproduction data comprises yellow, magenta, cyan and black data.
Claim 36
Dependent Claim
15 words
An apparatus according to claim 25, wherein said image forming means comprises a photosensitive body.
Claim 37
Dependent Claim
16 words
An apparatus according to claim 25, wherein said image forming means comprises a laser beam printer.
Claim 38
Dependent Claim
36 words
An apparatus according to claim 25, wherein the color component data comprises pixel data and the area comprises a plurality of pixels, and wherein said processing means paints all pixels in the area the same color.
Claim 39
Dependent Claim
17 words
An apparatus according to claim 25, further comprising setting means for setting the size of the area.
Claim 40
Independent Claim
119 words
A method for forming a color image comprising the steps of: inputting color component data of a color image; processing the color component data and sequentially outputting color reproduction data; and sequentially forming a plurality of color component images on a medium based on the sequentially-output color reproduction data, wherein said processing step includes steps to extract data from the color component data of an area of the color image, and to store the extracted data in a memory such that the same extracted data is read out from the memory a plurality of times in synchronism with a predetermined timing signal to produce image data to be formed on the medium in the area of the color image.
Claim 41
Independent Claim
119 words
A method for forming a color image comprising the steps of: inputting color component data of a color image; processing the color component data and sequentially outputting color reproduction data; and sequentially forming a plurality of color component images on a medium based on the sequentially-output color reproduction data, wherein said processing step includes steps to extract data from the color component data of an area of the color image, and to store the extracted data in a memory such that the same extracted data is read out from the memory a plurality of times in synchronism with a predetermined timing signal to produce image data to be formed on the medium in the area of the color image.
Claim 42
Dependent Claim
19 words
A method according to claim 37, wherein said processing step outputs the color reproduction data via a common circuit.
Claim 43
Dependent Claim
29 words
A method according to claim 37, wherein said memory comprises a plurality of storage areas, and wherein the extracted data is stored in the memory in units of lines.
Claim 44
Dependent Claim
25 words
A method according to claim 37, wherein the predetermined timing signal is generated during said step of sequentially forming a plurality of color component images.
Claim 45
Dependent Claim
25 words
A method according to claim 37, further comprising the step of variably magnifying an image represented by the color component data by using the memory.
Claim 46
Dependent Claim
24 words
A method according to claim 37, wherein the color component data is input in said inputting step using a charge coupled device line sensor.
Claim 47
Dependent Claim
24 words
A method according to claim 37, wherein the color component data comprises red, green and blue data for each pixel of a color image.
Claim 48
Dependent Claim
18 words
A method according to claim 37, wherein the color reproduction data comprises yellow, magenta, cyan and black data.
Claim 49
Dependent Claim
19 words
A method according to claim 37, wherein the plurality of color component images are formed on a photosensitive body.
Claim 50
Dependent Claim
20 words
A method according to claim 37, wherein the plurality of color component images are formed by a laser beam printer.
Claim 51
Dependent Claim
35 words
A method according to claim 37, wherein the color components comprise pixel data and the area comprises a plurality of pixels, and wherein said processing step paints all pixels in the area the same color.
Claim 52
Dependent Claim
17 words
A method according to claim 37, further comprising the step of setting the size of the area.
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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) | 2002-08-16 | 2003-02-15 | 2003-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-08-16 | 2007-02-15 | 2007-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2010-08-16 | 2011-02-15 | 2011-08-17 | $7700.00 | Window Closed / Lapsed |