Patent US3176245A successfully refreshed from Google Patents.
US3176245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Frequency stabilized oscillator
Assignee: TDK Micronas GmbH
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Filing: 1959-05-07
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Granted: 1965-03-30
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Expires: 1979-05-07
Abstract
No abstract record available.
Inventors
- 👤 Robert T Adams
- 👤 Barry M Mindes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:22
CPC Classifications
H; H03; H03B; H03B5/00; H03B5/30; H03B5/32; H03B5/34
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
139 words
A FREQUENCY STABILIZED OSCILLATOR SYSTEM OPERATING AT A GIVEN FREQUENCY AND SUBJECT TO DEVIATION THEREFROM DUE TO POWER SUPPLY VOLTAGE VARIATIONS COMPRISING AN OSCILLATOR CIRUCIT FOR GENERATING A SIGNAL AT SAID GIVEN FREQUENCY, A FREQUENCY CONTROLLING ELEMENT INCLUDED SAID OSCILLATOR CIRCUIT, MEANS COUPLED TO THE OUTPUT OF SAID OSCILLATOR CIRCUIT RESPONSIVE TO VARIATIONS IN THE OUTPUT VOLTAGE OF SAID POWER SUPPLY TO PRODUCE A CONTROL VOLTAGE VARYING IN ACCORDANCE WITH CHANGES IN THE OPERATING CHARACTERTISTICS OF SAID RESPONSIVE MEANS PRODUCED BY SAID VARIATIONS IN THE OUTPUT VOLTAGE OF SAID POWER SUPPLY AND MEANS COUPLING SAID CONTROL VOLTAGE TO SAID FREQUENCY CONTROLLING ELEMENTS TO ADJUST THE OPERATING CHARACTERISTICS OF SAID OSCILLATOR CIRCUIT TO COMPENSATE FOR CHANGES IN SAID GIVEN FREQUENCY DUE TO SAID VARIATIONS IN THE OUTPUT VOLTAGE OF SAID POWER SUPPLY TO MAINTAIN SAID SIGNAL AT SAID GIVEN FREQUENCY.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |