US3401343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High speed binary counter employing j-k flip-flops
Assignee: Unisys Corp
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Filing: 1966-05-23
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Granted: 1968-09-10
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Expires: 1986-05-23
Abstract
No abstract record available.
Inventors
- 👤 Robert M O'lear
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:43
CPC Classifications
H; H03; H03K; H03K23/00; H03K23/40; H03K23/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
AN N-STAGE BINARY COUNTER FOR COUNTING CLOCK PULSES COMPRISING A J-K FLIP-FLOP FOR EACH STAGE IN THE COUNTER SAID STAGES BEING ARRANGED SERIALLY AND CONSIDERED NUMBERED CONSECUTIVELY FOR IDENTIFICATION; MEANS TO APPLY A STEADY ENABLING VOLTAGE TO THE FLIP-FLOP IN THE FIRST STAGE; MEANS BETWEEN EACH PAIR OF ADJACENT STAGES TO ENABLE THE HIGHER-VALUED STAGE OF SAID PAIR ONLY WHEN THE LOWERVALUED STAGE OF THE SAME PAIR IS IN A GIVEN BINARY STATE; MEANS TO APPLY EACH CLOCK PULSE TO EACH STAGE; MEANS TO EXTRACT A FIRST OUTPUT SIGNAL WHEN THE FIRST STAGE IS IN SAID GIVEN BINARY STATE; AND MEANS TO EXTRACT ADDITIONAL OUTPUT SIGNALS FROM THOSE STAGES ONLY WHOSE IDENTIFYING NUMBERS FORM A BINARY SEQUENCE.
Claim 2
Dependent Claim
117 words
AN N-STAGE BINARY COUNTER FOR COUNTING CLOCK PULSES COMPRISING A J-K FLIP-FLOP FOR EACH STAGE IN THE COUNTER SAID STAGES BEING ARRANGED SERIALLY AND CONSIDERED NUMBERED CONSECUTIVELY FOR IDENTIFICATION; MEANS TO APPLY A STEADY ENABLING VOLTAGE TO THE FLIP-FLOP IN THE FIRST STAGE; MEANS BETWEEN EACH PAIR OF ADJACENT STAGES TO ENABLE THE HIGHER-VALUED STAGE OF SAID PAIR ONLY WHEN THE LOWERVALUED STAGE OF THE SAME PAIR IS IN A GIVEN BINARY STATE; MEANS TO APPLY EACH CLOCK PULSE TO EACH STAGE; MEANS TO EXTRACT A FIRST OUTPUT SIGNAL WHEN THE FIRST STAGE IS IN SAID GIVEN BINARY STATE; AND MEANS TO EXTRACT ADDITIONAL OUTPUT SIGNALS FROM THOSE STAGES ONLY WHOSE IDENTIFYING NUMBERS FORM A BINARY SEQUENCE.
References Cited (Backward Citations)
US3348156A
Cited
US3351778A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |