US5377312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Image processing apparatus capable of expanding compressed data
Assignee: Canon Inc
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Filing: 1992-03-27
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Granted: 1994-12-27
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Expires: 2012-03-27
Abstract
Abstract An image processing apparatus for expanding given compressed image data in combination with other compressed image data, provided with a retaining device which retains, at the successive expansions of the compressed data, information relative to the development of a certain area until the data development of an area next to the above-mentioned certain area.
Inventors
- 👤 Shigetada Kobayashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:53
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/32; H04N1/32358; H04N1/32491; G; G06; G06K; G06K15/00; H04N1/41; G06K2215/00; G06K2215/0002; G06K2215/0062; G06K2215/0065; H04N1/00127; H04N1/00204; H04N2201/00; H04N2201/0077; H04N2201/0082; H04N2201/32; H04N2201/3285; H04N2201/329; H04N2201/3294
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
77 words
An image processing apparatus comprising: decoding means for decoding an image data encoded by a two-dimensional orthogonal transform encoding method; and a band memory for storing image data decoded by said decoding means; wherein said band memory stores decoded data for a predetermined band of one frame represented by said encoded image data and a capacity of said band memory is larger than a capacity of single two-dimensional block employed in said two-dimensional orthogonal transform encoding method.
Claim 2
Dependent Claim
77 words
An image processing apparatus comprising: decoding means for decoding an image data encoded by a two-dimensional orthogonal transform encoding method; and a band memory for storing image data decoded by said decoding means; wherein said band memory stores decoded data for a predetermined band of one frame represented by said encoded image data and a capacity of said band memory is larger than a capacity of single two-dimensional block employed in said two-dimensional orthogonal transform encoding method.
Claim 3
Dependent Claim
17 words
An image processing apparatus according to claim 1, wherein said two-dimensional orthogonal transform encoding method is ADCT.
Claim 4
Dependent Claim
16 words
An image processing apparatus according to claim 1, wherein said image data are color image data.
Claim 5
Dependent Claim
23 words
An image processing apparatus according to claim 1, further comprising: means for supplying image data stored in said band memory to a printer.
Claim 6
Dependent Claim
16 words
An image processing apparatus according to claim 4, wherein said printer is an ink jet printer.
Claim 7
Dependent Claim
19 words
An image processing apparatus according to claim 5, wherein said printer is adapted to deposit droplets by film boiling.
Claim 8
Dependent Claim
47 words
An image processing apparatus capable of decoding given encoded data in combination with other data, comprising: retaining means for retaining information relative to a development of a predetermined area, until a development of an area subsequent to said predetermined area when the encoded data is decoded sequentially.
Claim 9
Dependent Claim
47 words
An image processing apparatus capable of decoding given encoded data in combination with other data, comprising: retaining means for retaining information relative to a development of a predetermined area, until a development of an area subsequent to said predetermined area when the encoded data is decoded sequentially.
Claim 10
Dependent Claim
17 words
An image processing apparatus according to claim 7, wherein said encoded data are encoded by ADCT method.
Claim 11
Dependent Claim
23 words
An image processing apparatus according to claim 7, wherein said predetermined area is determined according to the print band width of a printer.
Claim 12
Dependent Claim
18 words
An image processing apparatus according to claim 7, wherein said other data are also encoded by ADCT method.
Claim 13
Dependent Claim
17 words
An image processing apparatus according to claim 7, wherein said predetermined area is a predetermined band width.
Claim 14
Dependent Claim
103 words
A printer controller comprising: reception means for receiving, from a computer, image data encoded by a two-dimensional encoding method; decoding means for decoding the image data received by said reception means; a band memory for storing image data decoded by said decoding means, wherein said band memory stores decoded data for a predetermined band of one frame represented by said encoded image data and a capacity of said band memory is larger than a capacity of single two-dimensional block employed in said two-dimensional orthogonal transform encoding method; and output means for outputting the image data, stored in said band memory, to a printer.
Claim 15
Dependent Claim
103 words
A printer controller comprising: reception means for receiving, from a computer, image data encoded by a two-dimensional encoding method; decoding means for decoding the image data received by said reception means; a band memory for storing image data decoded by said decoding means, wherein said band memory stores decoded data for a predetermined band of one frame represented by said encoded image data and a capacity of said band memory is larger than a capacity of single two-dimensional block employed in said two-dimensional orthogonal transform encoding method; and output means for outputting the image data, stored in said band memory, to a printer.
Claim 16
Dependent Claim
17 words
An image processing apparatus according to claim 12, wherein said two-dimensional orthogonal transform encoding method is ADCT.
Claim 17
Dependent Claim
16 words
An image processing apparatus according to claim 12, wherein said image data are color image data.
Claim 18
Dependent Claim
16 words
An image processing apparatus according to claim 12, wherein said printer is an ink jet printer.
Claim 19
Dependent Claim
19 words
An image processing apparatus according to claim 15, wherein said printer is adapted to deposit droplets by film boiling.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-12-26 | 1998-06-27 | 1998-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-12-26 | 2002-06-27 | 2002-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-12-26 | 2006-06-27 | 2006-12-27 | $7700.00 | Window Closed / Lapsed |