US3564427A
Expired / Lapsed
US
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Synchronizing method for high frequency signal
Assignee: Iwatsu Electric Co Ltd
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Filing: 1969-08-04
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Granted: 1971-02-16
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Expires: 1989-08-04
Abstract
Abstract AN IMPROVED SYNCHRONIZING CIRCUIT FOR OBTAINING AN OUTPUT PULSE OF LOW REPETITION RATE, WHICH IS SYNCHRONIZED WITH AN INPUT OF HIGH FREQUENCY, IN A JITTERLESS AND STABLE CONDITION. THE SYNCHRONIZING CIRCUIT IS SWITCHES FROM A WAITING CONDITION TO AN INOPERATIVE CONDITION BY THE HIGH FREQUENCY INPUT SIGNAL AND THEN SWITCHED BACK FROM THE INOPERATIVE CONDITION TO THE WAITING CONDITION WHICH IS GENERATED A PULSE BY ONE PULSE BEFORE A SYNCHORIZING PULSE OF THE INPUT SIGNAL.
Inventors
- 👤 Kozo Uchida
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:26
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/13; H03K5/135
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |