US5155852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digital information coding system which evenly distributes valid input data to digital signal processors operating in parallel
Assignee: Mitsubishi Electric Corp
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Filing: 1989-02-17
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Granted: 1992-10-13
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Expires: 2009-02-17
Abstract
Abstract A digital signal processing apparatus which is used for the computation of coding image signals or the like and a motion compensative operation method which uses a digital signal processing apparatus. The apparatus comprises a plurality of signal processing means arranged in parallel and control means which assigns loads to the signal processing means so that the signal processing means have even computation volumes. Alternatively, an address generator is provided for each of data sets entered independently. An intermediate check is conducted during the computation for a block which involves a motion compensative operation.
Inventors
- 👤 Tokumichi Murakami
- 👤 Koh Kamizawa
- 👤 Naoto Kinjo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:37
CPC Classifications
G; G06; G06F; G06F9/00; G06F9/06; G06F9/46; G06F9/50; G06F9/5005; G06F9/5027; G06F9/505; G06F9/5061; G06F9/5066; G06T; G06T7/00; G06T7/20; G06T7/223; H; H04; H04N; H04N19/00; H04N19/42; H04N19/43; H04N19/433; H04N19/50; H04N19/503; H04N19/51; H04N19/60; H04N19/61; G06T2207/00; G06T2207/10; G06T2207/10016; H04N19/30
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
169 words
A digital signal processing apparatus comprising memory means which stores digital signal input information which is to be processed and reads out the stored information; a task controller which determines the total quantity of valid information which is contained in the digital information to be processed and produces address control signals for dividing the information to be processed into a plurality of assigned divisions so that each of said plurality of assigned divisions contains substantially the same individual quantity of valid information out of said total quantity of valid information; and a plurality of digital signal processors which receive and are responsive to said address control signals from said task controller to adjust the addresses of said assigned divisions of said information which is to be processed so that each of said assigned divisions is directed to a separate one of said digital signal processors, which read information out of said memory means to implement coding processes, and which output the results of the digital signal processes performed thereby.
Claim 2
Dependent Claim
169 words
A digital signal processing apparatus comprising memory means which stores digital signal input information which is to be processed and reads out the stored information; a task controller which determines the total quantity of valid information which is contained in the digital information to be processed and produces address control signals for dividing the information to be processed into a plurality of assigned divisions so that each of said plurality of assigned divisions contains substantially the same individual quantity of valid information out of said total quantity of valid information; and a plurality of digital signal processors which receive and are responsive to said address control signals from said task controller to adjust the addresses of said assigned divisions of said information which is to be processed so that each of said assigned divisions is directed to a separate one of said digital signal processors, which read information out of said memory means to implement coding processes, and which output the results of the digital signal processes performed thereby.
Claim 3
Dependent Claim
27 words
A digital signal processing apparatus according to claim 1, wherein said memory means comprises a plurality of input memories provided in correspondence to said digital signal processors.
References Cited (Backward Citations)
US4169289A
Cited
US4202035A
Cited
US4484346A
Cited
US4484349A
Cited
US4594687A
Cited
US4531200A
Cited
US4689738A
Cited
US4703358A
Cited
US4942470A
Cited
US4807297A
Cited
US4709344A
Cited
US4935867A
Cited
US4862260A
Cited
US4862270A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-10-13 | 1996-04-13 | 1996-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-10-13 | 2000-04-13 | 2000-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-10-13 | 2004-04-13 | 2004-10-13 | $7700.00 | Window Closed / Lapsed |