US3423576A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reversible counting circuit apparatus
Assignee: Omron Corp
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Filing: 1965-10-26
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Granted: 1969-01-21
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Expires: 1985-10-26
Abstract
No abstract record available.
Inventors
- 👤 Akira Abe
- 👤 Isao Hatano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:56
CPC Classifications
H; H03; H03K; H03K23/00; H03K23/40; H03K23/50; H03K23/56; H03K21/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
203 words
A REVERSIBLE COUNTING CIRCUIT APPARATUS COMPRISING: (M-1) BINARY CODED COUNTING CIRCUITS; A FLIP-FLOP CIRCUIT HAVING FIRST AND SECOND SECTIONS, SAID BINARY CODED COUNTING CIRCUITS AND SAID FLIP-FLOP CIRCUIT BEING CONSTITUTED TO HAVE 2M CODED COUNTING CAPACITY AND TO BE ABLE TO OPERATE IN AN ARBITRARY NUMBER OTHER THAN 2N (WHERE M>N) CODED COUNTING CAPACITY; A PLURALITY OF AND CIRCUITS HAVING THE OUTPUTS OF SAID BINARY CODED COUNTING CIRCUITS AS THEIR INPUTS, SAID AND CIRCUITS BEING ALSO CONNECTED TO THE SET INPUT TERMINAL AND THE RESET INPUT TERMINAL OF SAID FLIP-FLOP CIRCUIT, RESPECTIVELY; AND A PLURALITY OF FEED-BACK CIRCUITS HAVING THE INPUTS THEREOF CONNECTED TO THE FIRST AND SECOND SECTIONS OF SAID FLIP-FLOP CIRCUIT AND HAVING THE OUTPUTS THEREOF CONNECTED TO SAID BINARY CODED COUNTING CIRCUITS TO REVERSE THEM IN ACCORDANCE WITH THE OUTPUTS OF SAID FIRST AND SECOND SECTIONS OF THE FLIP-FLOP CIRCUIT, THE BINARY CODED COUNTING CIRCUITS WHICH PROVIDE THE OUTPUT SIGNALS THEREOF AS THE INPUT SIGNALS OF SAID AND CIRCUITS, AND THE BINARY CODED COUNTING CIRCUITS WHICH ARE PROVIDED WITH FEEDBACK SIGNALS BY SAID FEEDBACK CIRCUITS, BEING SELECTED TO SKIP THE COMBINATION HAVING THE SAME OUTPUT STATE OF THE BINARY CODED COUNTING CIRCUITS BOTH IN ADDITIVE OPERATION AND IN SUBTRACTIVE OPERATION.
Claim 2
Dependent Claim
203 words
A REVERSIBLE COUNTING CIRCUIT APPARATUS COMPRISING: (M-1) BINARY CODED COUNTING CIRCUITS; A FLIP-FLOP CIRCUIT HAVING FIRST AND SECOND SECTIONS, SAID BINARY CODED COUNTING CIRCUITS AND SAID FLIP-FLOP CIRCUIT BEING CONSTITUTED TO HAVE 2M CODED COUNTING CAPACITY AND TO BE ABLE TO OPERATE IN AN ARBITRARY NUMBER OTHER THAN 2N (WHERE M>N) CODED COUNTING CAPACITY; A PLURALITY OF AND CIRCUITS HAVING THE OUTPUTS OF SAID BINARY CODED COUNTING CIRCUITS AS THEIR INPUTS, SAID AND CIRCUITS BEING ALSO CONNECTED TO THE SET INPUT TERMINAL AND THE RESET INPUT TERMINAL OF SAID FLIP-FLOP CIRCUIT, RESPECTIVELY; AND A PLURALITY OF FEED-BACK CIRCUITS HAVING THE INPUTS THEREOF CONNECTED TO THE FIRST AND SECOND SECTIONS OF SAID FLIP-FLOP CIRCUIT AND HAVING THE OUTPUTS THEREOF CONNECTED TO SAID BINARY CODED COUNTING CIRCUITS TO REVERSE THEM IN ACCORDANCE WITH THE OUTPUTS OF SAID FIRST AND SECOND SECTIONS OF THE FLIP-FLOP CIRCUIT, THE BINARY CODED COUNTING CIRCUITS WHICH PROVIDE THE OUTPUT SIGNALS THEREOF AS THE INPUT SIGNALS OF SAID AND CIRCUITS, AND THE BINARY CODED COUNTING CIRCUITS WHICH ARE PROVIDED WITH FEEDBACK SIGNALS BY SAID FEEDBACK CIRCUITS, BEING SELECTED TO SKIP THE COMBINATION HAVING THE SAME OUTPUT STATE OF THE BINARY CODED COUNTING CIRCUITS BOTH IN ADDITIVE OPERATION AND IN SUBTRACTIVE OPERATION.
References Cited (Backward Citations)
US2880934A
Cited
US2970759A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-21 | 1972-07-22 | 1973-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-21 | 1976-07-22 | 1977-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-21 | 1980-07-22 | 1981-01-21 | $7700.00 | Window Closed / Lapsed |