Patent US3594560A successfully refreshed from Google Patents.
Patent US3091392A successfully refreshed from Google Patents.
US3091392A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Binary magnitude comparator
Assignee: RCA Corp
•
Filing: 1960-06-20
•
Granted: 1963-05-28
•
Expires: 1980-06-20
Abstract
No abstract record available.
Inventors
- 👤 Michael C Arya
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:31
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/02; G06F7/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
183 words
A DEVICE FOR COMPARING TWO MULTIDIGIT BINARY QUANTITIES AND FOR PROVIDING AN INDICATION WHEN THE MAGNITUDE OF A FIRST OF SAID QUANTITIES IS LESS THAN THE MAGNITUDE OF THE SECOND OF SAID QUANTITIES, EACH DIGIT BEING REPRESENTED BY AN ELECTRICAL SIGNAL OF ONE OF TWO VALUES DEPENDING UPON THE BINARY VALUE, SAID DEVICE COMPRISING: A PLURALITY OF MEANS EACH CONNECTED TO RECEIVE THE ELECTRICAL SIGNALS REPRESENTING A DIFFERENT PAIR OF BINARY DIGITS OF LIKE SIGNIFICANCE AND TO PROVIDE A FIRST OUTPUT SIGNAL REPRESENTING THE EXCLUSIVE SUM OF SAID PAIR OF BINARY DIGITS AND A SECOND OUTPUT SIGNAL WHICH IS THE COMPLEMENT OF SAID FIRST OUTPUT SIGNAL; A LIKE PLURALITY OF GATES EACH ASSOCIATED WITH A DIFFERENT ONE OF SAID SUM OUTPUT PROVIDING MEANS; MEANS COUPLING EACH SAID FIRST OUTPUT SIGNAL AND THE ELECTRICAL SIGNAL OF LIKE SIGNIFICANCE OF THE SECOND OF SAID QUANTITIES TO THE ASSOCIATED ONE OF SAID GATES; MEANS COUPLING EACH SAID SECOND OUTPUT SIGNAL TO THE ONES OF SAID GATES OF LESSER SIGNIFICANCE; AND MEANS FOR DETECTING AN OUTPUT FROM ANY ONE OF SAID GATES AS THE DESIRED SAID INDICATION.
Claim 2
Independent Claim
183 words
A DEVICE FOR COMPARING TWO MULTIDIGIT BINARY QUANTITIES AND FOR PROVIDING AN INDICATION WHEN THE MAGNITUDE OF A FIRST OF SAID QUANTITIES IS LESS THAN THE MAGNITUDE OF THE SECOND OF SAID QUANTITIES, EACH DIGIT BEING REPRESENTED BY AN ELECTRICAL SIGNAL OF ONE OF TWO VALUES DEPENDING UPON THE BINARY VALUE, SAID DEVICE COMPRISING: A PLURALITY OF MEANS EACH CONNECTED TO RECEIVE THE ELECTRICAL SIGNALS REPRESENTING A DIFFERENT PAIR OF BINARY DIGITS OF LIKE SIGNIFICANCE AND TO PROVIDE A FIRST OUTPUT SIGNAL REPRESENTING THE EXCLUSIVE SUM OF SAID PAIR OF BINARY DIGITS AND A SECOND OUTPUT SIGNAL WHICH IS THE COMPLEMENT OF SAID FIRST OUTPUT SIGNAL; A LIKE PLURALITY OF GATES EACH ASSOCIATED WITH A DIFFERENT ONE OF SAID SUM OUTPUT PROVIDING MEANS; MEANS COUPLING EACH SAID FIRST OUTPUT SIGNAL AND THE ELECTRICAL SIGNAL OF LIKE SIGNIFICANCE OF THE SECOND OF SAID QUANTITIES TO THE ASSOCIATED ONE OF SAID GATES; MEANS COUPLING EACH SAID SECOND OUTPUT SIGNAL TO THE ONES OF SAID GATES OF LESSER SIGNIFICANCE; AND MEANS FOR DETECTING AN OUTPUT FROM ANY ONE OF SAID GATES AS THE DESIRED SAID INDICATION.
References Cited (Backward Citations)
US2885655A
Cited
US2959768A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-27 | 1966-11-26 | 1967-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-27 | 1970-11-26 | 1971-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-27 | 1974-11-26 | 1975-05-28 | $7700.00 | Window Closed / Lapsed |