US3140464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Central parity checker operating from and into a data transfer bus
Assignee: RCA Corp
•
Filing: 1961-05-31
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Granted: 1964-07-07
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Expires: 1981-05-31
Abstract
No abstract record available.
Inventors
- 👤 Laszlo L Rakoczi
- 👤 Gloates Eli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:31
CPC Classifications
G; G06; G06F; G06F11/00; G06F11/07; G06F11/08; G06F11/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
IN A DATA PROCESSING MACHINE, A PLURALITY OF MULTIELEMENT OPERATING STAGES, AT LEAST ONE ELEMENT OF AT LEAST SOME OF SAID STAGES FOR RECEIVING A PARITY BIT AND ELEMENTS OF AT LEAST SOME OF SAID STAGES FOR TRANSMITTING BITS OF A WORD; A BUS COUPLED TO ALL OF THE STAGES ALONG WHICH A WORD, THE BITS OF WHICH ARE IN PARALLEL, MAY BE TRANSMITTED AMONG SAID STAGES; AND A CENTRAL PARITY GENERATOR COMMON TO ALL OF SAID STAGES CONNECTED AT ITS INPUT AND OUTPUT TO SAID BUS FOR ASYNCHRONOUSLY GENERATING A PARITY BIT FOR A WORD DURING ITS TRANSMISSION ALONG THE BUS FROM ONE OF SAID STAGES TO ANOTHER AND FOR APPLYING THAT PARITY BIT TO SAID BUS.
Claim 2
Dependent Claim
118 words
IN A DATA PROCESSING MACHINE, A PLURALITY OF MULTIELEMENT OPERATING STAGES, AT LEAST ONE ELEMENT OF AT LEAST SOME OF SAID STAGES FOR RECEIVING A PARITY BIT AND ELEMENTS OF AT LEAST SOME OF SAID STAGES FOR TRANSMITTING BITS OF A WORD; A BUS COUPLED TO ALL OF THE STAGES ALONG WHICH A WORD, THE BITS OF WHICH ARE IN PARALLEL, MAY BE TRANSMITTED AMONG SAID STAGES; AND A CENTRAL PARITY GENERATOR COMMON TO ALL OF SAID STAGES CONNECTED AT ITS INPUT AND OUTPUT TO SAID BUS FOR ASYNCHRONOUSLY GENERATING A PARITY BIT FOR A WORD DURING ITS TRANSMISSION ALONG THE BUS FROM ONE OF SAID STAGES TO ANOTHER AND FOR APPLYING THAT PARITY BIT TO SAID BUS.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
US2906997A
Cited
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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) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |