Patent US3297994A successfully refreshed from Google Patents.
US3297994A
Expired / Lapsed
US
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Data processing system having programmable, multiple buffers and signalling and data selection capabilities
Assignee: Beckman Coulter Inc
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Filing: 1963-06-10
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Granted: 1967-01-10
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Expires: 1983-06-10
Abstract
No abstract record available.
Inventors
- 👤 Klein Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:40
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/76; G06F7/78; G06F7/785; G06F13/00; G06F13/10; G06F13/12; G06F13/122; G06F13/14; G06F13/16; G06F13/18; G06F13/36; G06F13/362; G06F13/364
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A DATA PROCESSING SYSTEM COMPRISING A PLURALITY OF PERIPHERAL DATA TRANSMITTING AND RECEIVING DEVICES; A PLURALITY OF CHANNEL CONTROL UNITS EACH HAVING RESPECTIVE ONES OF SAID PERIPHERAL DEVICES COUPLED THERETO; A MEMORY SUBSYSTEM HAVING A PLURALITY OF CELL GROUPS UNIQUE TO EACH OF SAID CHANNEL CONTROL UNITS, SAID CELL GROUPS PROVIDING ENCODED INDIRECT START, END AND CURRENT ADDRESSES FOR A PLURALITY OF MEMORY BUFFER AREAS, EACH CELL CONTAINING AN END ADDRESS HAVING AN ADDITIONAL BIT POSITION WHOSE BINARY VALUE DETERMINES WHICH BUFFER AREA IS USED FOLLOWING SAID END ADDRESS, MEANS FOR PROVIDING AN INTERNAL ADDRESS GENERATOR INCLUDING MEANS RESPONSIVE TO THE BINARY VALUE OF SAID PREDETERMINED BIT POSITION.
Claim 2
Dependent Claim
108 words
A DATA PROCESSING SYSTEM COMPRISING A PLURALITY OF PERIPHERAL DATA TRANSMITTING AND RECEIVING DEVICES; A PLURALITY OF CHANNEL CONTROL UNITS EACH HAVING RESPECTIVE ONES OF SAID PERIPHERAL DEVICES COUPLED THERETO; A MEMORY SUBSYSTEM HAVING A PLURALITY OF CELL GROUPS UNIQUE TO EACH OF SAID CHANNEL CONTROL UNITS, SAID CELL GROUPS PROVIDING ENCODED INDIRECT START, END AND CURRENT ADDRESSES FOR A PLURALITY OF MEMORY BUFFER AREAS, EACH CELL CONTAINING AN END ADDRESS HAVING AN ADDITIONAL BIT POSITION WHOSE BINARY VALUE DETERMINES WHICH BUFFER AREA IS USED FOLLOWING SAID END ADDRESS, MEANS FOR PROVIDING AN INTERNAL ADDRESS GENERATOR INCLUDING MEANS RESPONSIVE TO THE BINARY VALUE OF SAID PREDETERMINED BIT POSITION.
References Cited (Backward Citations)
US3153775A
Cited
US3200380A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |