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Patent US3250900A successfully refreshed from Google Patents.
US3250900A
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Dynamic parity computer
Assignee: Hrb-Singer Inc
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Filing: 1962-07-06
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Granted: 1966-05-10
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Expires: 1982-07-06
Abstract
No abstract record available.
Inventors
- 👤 Henri B Diamant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:11
CPC Classifications
G; G06; G06F; G06F11/00; G06F11/07; G06F11/08; G06F11/10; G06F11/1008; G06F11/1012; G06F11/1032
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
AN APPARATUS FOR DETERMINING PARITY OF A WORD FORMED OF BITS INCLUDING A SHIFT REGISTER, MEANS TO DETERMINE THE PARITY OF THE WORD BITS FROM ONE THROUGH N-2, MEANS RESPONSIVE TO SUCH PARITY MEANS TO OPEN OR CLOSE A CONTROLLING ELEMENT TO ALLOW A COMPLEMENTING SIGNAL TO BE APPLIED TO THE SHIFT REGISTER AT THE LAST STAGE AFTER THE N-1 PULSE APPEARS AT THE LAST STAGE, AND MEANS TO PRODUCE A PULSE ADAPTED TO CHANGE THE STATE OF THE LAST STAGE OF THE SHIFT REGISTER DURING THE TIME THAT THE N-1 BIT IS APPLIED THERETO, SAID PULSE BEING APPLIED TO SAID CONTROL ELEMENT.
Claim 2
Independent Claim
103 words
AN APPARATUS FOR DETERMINING PARITY OF A WORD FORMED OF BITS INCLUDING A SHIFT REGISTER, MEANS TO DETERMINE THE PARITY OF THE WORD BITS FROM ONE THROUGH N-2, MEANS RESPONSIVE TO SUCH PARITY MEANS TO OPEN OR CLOSE A CONTROLLING ELEMENT TO ALLOW A COMPLEMENTING SIGNAL TO BE APPLIED TO THE SHIFT REGISTER AT THE LAST STAGE AFTER THE N-1 PULSE APPEARS AT THE LAST STAGE, AND MEANS TO PRODUCE A PULSE ADAPTED TO CHANGE THE STATE OF THE LAST STAGE OF THE SHIFT REGISTER DURING THE TIME THAT THE N-1 BIT IS APPLIED THERETO, SAID PULSE BEING APPLIED TO SAID CONTROL ELEMENT.
References Cited (Backward Citations)
US3037191A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |