Patent US3079554A successfully refreshed from Google Patents.
US3079554A
Expired / Lapsed
US
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Mark generator
Assignee: Singer Co
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Filing: 1959-11-17
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Granted: 1963-02-26
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Expires: 1979-11-17
Abstract
No abstract record available.
Inventors
- 👤 Ranky Bela
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 01:28
CPC Classifications
G; G01; G01R; G01R13/00; G01R13/20; G01R13/22; G01R13/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
IN A SYSTEM FOR GENERATING FREQUENCY MARKERS, A FREQUENCY SCANNING OSCILLATOR, A PLURALITY OF COUNTERS INTERCONNECTED IN CASCADE, EACH OF SAID COUNTERS BEING ARRANGED TO PROVIDE AN OUTPUT SIGNAL ONLY ON AND DURING ATTAINMENT OF A PREDETERMINED COUNT, EACH OF SAID COUNTERS INCLUDING PROVISION FOR RESET IN RESPONSE TO A RESET SIGNAL, A SOURCE OF REPETITIVE ON-GATING SIGNALS OF PREDETERMINED DURATION EACH FOLLOWED BY AN OFF-GATING SIGNAL, MEANS RESPONSIVE TO EACH OF SAID ON-GATING SIGNALS FOR GATING THE OUTPUT OF SAID FREQUENCY SCANNING OSCILLATOR TO THE INITIAL COUNTER OF SAID PLURALITY OF COUNTERS INTERCONNECTED IN CASCADE, MEANS RESPONSIVE TO SAID OFF-GATING SIGNAL FOR SUPPLYING SAID RESET SIGNAL TO RESET ALL SAID COUNTERS, A COINCIDENCE CIRCUIT, MEANS RESPONSIVE TO SAID OFF-GATING SIGNAL FOR DISABLING SAID COINCIDENCE CIRCUIT, AND MEANS INCLUDING SAID COINCIDENCE CIRCUIT AND RESPONSIVE ONLY CONCURRENTLY TO TERMINATION OF SAID ON-GATING SIGNAL AND TO SENSING OF PREDETERMINED COUNTS IN SELECTED ONES OF SAID COUNTERS FOR PROVIDING A SIGNAL.
Claim 2
Dependent Claim
32 words
THE COMBINATION ACCORDING TO CLAIM 6 WHEREIN IS PROVIDED A SPECTRUM ANALYZER OF THE FREQUENCY SCANNING SUPERHETERODYNE TYPE, AND WHEREIN SAID FREQUENCY SCANNING OSCILLATOR IS THE LOCAL OSCILLATOR OF SAID SPECTRUM ANALYZER.
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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) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |