US3359367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synchronizing generator
Assignee: Cohu Electronics Inc
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Filing: 1964-03-26
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Granted: 1967-12-19
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Expires: 1984-03-26
Abstract
No abstract record available.
Inventors
- 👤 Jr Richard S Hiatt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:13
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/04; H04N5/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
A SYSTEM FOR PROVIDING A COMPOSITE TELEVISION SYNCHRONIZING SIGNAL INCLUDING HORIZONTAL, VERTICAL AND EQUALIZING PULSES OF DIFFERENT DURATIONS, COMPRISING: A SOURCE OF PULSES OF A FIRST FREQUENCY; FIRST GATE MEANS COUPLED TO SAID PULSE SOURCE FOR PASSING EVERY OTHER PULSE; MEANS COUPLED TO SAID FIRST GATE MEANS FOR ATTENUATING THE PULSES PASSED THEREBY; SECOND GATE MEANS COUPLED TO SAID PULSE SOURCE AND PERIODICALLY OPERABLE TO PASS ALL OF SAID PULSES; MEANS INCLUDING A DIFFERENTIATING CIRCUIT FOR PRODUCING OUTPUT PULSES IN RESPONSE TO INPUT PULSES; MEANS COUPLING SAID ATTENUATING MEANS AND SAID SECOND GATE MEANS TO SAID DIFFERENTIATING CIRCUIT WHEREBY PULSES PASSED BY SAID FIRST GATE MEANS CAUSE THE PRODUCTION OF OUTPUT PULSES OF A FIRST DURATION, AND PULSES PASSED BY SAID SECOND GATE MEANS CAUSE THE PRODUCTION OF OUTPUT PULSES OF A SECOND DURATION; AND MEANS FOR CHANGING THE TIME CONSTANT OF SAID DIFFERENTIATING CIRCUIT WHEREBY OUTPUT PULSES OF A THIRD DURATION ARE PRODUCED.
Claim 2
Independent Claim
154 words
A SYSTEM FOR PROVIDING A COMPOSITE TELEVISION SYNCHRONIZING SIGNAL INCLUDING HORIZONTAL, VERTICAL AND EQUALIZING PULSES OF DIFFERENT DURATIONS, COMPRISING: A SOURCE OF PULSES OF A FIRST FREQUENCY; FIRST GATE MEANS COUPLED TO SAID PULSE SOURCE FOR PASSING EVERY OTHER PULSE; MEANS COUPLED TO SAID FIRST GATE MEANS FOR ATTENUATING THE PULSES PASSED THEREBY; SECOND GATE MEANS COUPLED TO SAID PULSE SOURCE AND PERIODICALLY OPERABLE TO PASS ALL OF SAID PULSES; MEANS INCLUDING A DIFFERENTIATING CIRCUIT FOR PRODUCING OUTPUT PULSES IN RESPONSE TO INPUT PULSES; MEANS COUPLING SAID ATTENUATING MEANS AND SAID SECOND GATE MEANS TO SAID DIFFERENTIATING CIRCUIT WHEREBY PULSES PASSED BY SAID FIRST GATE MEANS CAUSE THE PRODUCTION OF OUTPUT PULSES OF A FIRST DURATION, AND PULSES PASSED BY SAID SECOND GATE MEANS CAUSE THE PRODUCTION OF OUTPUT PULSES OF A SECOND DURATION; AND MEANS FOR CHANGING THE TIME CONSTANT OF SAID DIFFERENTIATING CIRCUIT WHEREBY OUTPUT PULSES OF A THIRD DURATION ARE PRODUCED.
References Cited (Backward Citations)
US3281532A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-18 | 1971-06-19 | 1971-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-18 | 1975-06-19 | 1975-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-18 | 1979-06-19 | 1979-12-19 | $7700.00 | Window Closed / Lapsed |