US3239689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Logic circuits
Assignee: RCA Corp
•
Filing: 1963-04-19
•
Granted: 1966-03-08
•
Expires: 1983-04-19
Abstract
No abstract record available.
Inventors
- 👤 Robert O Winder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:30
CPC Classifications
G; G11; G11C; G11C15/00; G11C15/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
IN A SELECTION CIRCUIT, MEANS MANIFESTING A PARALLEL BINARY WORD HAVING N BITS, EACH OF DIFFERENT RANK; N GATES, EACH CONNECTED TO RECEIVE A DIFFERENT BIT, SAID GATES BEING ARRANGED IN GROUPS OF M GATES EACH, WHERE M IS AN INTEGER SMALLER THAN N, AND THE GATES OF EACH GROUP RECEIVING BITS OF IMMEDIATELY SUCCESSIVE RANK; INHIBIT CIRCUIT MEANS RESPONSIVE TO THE RECEPTION BY A GATE IN A GROUP OF A BIT OF GIVEN VALUE FOR DISABLING THE GATES, IF ANY, IN THE SAME GROUP WHICH RECEIVE BITS OF HIGHER RANK; AND CUMULATIVE INHIBIT CIRCUIT MEANS, ONE PER GROUP OF GATES, EACH RESPONSIVE TO THE RECEPTION BY A GATE IN ITS GROUP OF A BIT OF SAID GIVEN VALUE, FOR DISABLING THE NEXT SUCCEEDING GROUP OF M GATES, AND FOR ACTUATING
Claim 2
Dependent Claim
131 words
IN A SELECTION CIRCUIT, MEANS MANIFESTING A PARALLEL BINARY WORD HAVING N BITS, EACH OF DIFFERENT RANK; N GATES, EACH CONNECTED TO RECEIVE A DIFFERENT BIT, SAID GATES BEING ARRANGED IN GROUPS OF M GATES EACH, WHERE M IS AN INTEGER SMALLER THAN N, AND THE GATES OF EACH GROUP RECEIVING BITS OF IMMEDIATELY SUCCESSIVE RANK; INHIBIT CIRCUIT MEANS RESPONSIVE TO THE RECEPTION BY A GATE IN A GROUP OF A BIT OF GIVEN VALUE FOR DISABLING THE GATES, IF ANY, IN THE SAME GROUP WHICH RECEIVE BITS OF HIGHER RANK; AND CUMULATIVE INHIBIT CIRCUIT MEANS, ONE PER GROUP OF GATES, EACH RESPONSIVE TO THE RECEPTION BY A GATE IN ITS GROUP OF A BIT OF SAID GIVEN VALUE, FOR DISABLING THE NEXT SUCCEEDING GROUP OF M GATES, AND FOR ACTUATING
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |