Patent US3328724A successfully refreshed from Google Patents.
US3328724A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Voltage controlled free-running flip-flop oscillator
Assignee: Individual
•
Filing: 1966-01-26
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Granted: 1967-06-27
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Expires: 1986-01-26
Abstract
No abstract record available.
Inventors
- 👤 John L Way
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:55
CPC Classifications
H; H03; H03K; H03K7/00; H03K7/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A VOLTAGE CONTROLLED OSCILLATOR COMPRISING: MEANS PROVIDING A VOLTAGE SIGNAL; MEANS RESPONSIVE TO SAID VOLTAGE INPUT SIGNAL FOR PROVIDING A CONSTANT CURRENT HAVING AN AMPLITUDE RELATED TO THE AMPLITUDE OF SAID INPUT SIGNAL; FIRST AND SECOND INTEGRATING MEANS; A FLIP-FLOP CAPABLE OF DEFINING FIRST AND SECOND STATES; MEANS RESPONSIVE TO SAID FLIP-FLOP DEFINING SAID FIRST STATE FOR CAUSING SAID FIRST INTEGRATING MEANS TO DEVELOP THE TIME INTEGRAL OF SAID CONSTANT CURRENT; MEANS RESPONSIVE TO SAID FLIP-FLOP DEFINING SAID SECOND STATE FOR CAUSING SAID SECOND INTEGRATING MEANS TO DEVELOP THE TIME INTEGRAL OF SAID CONSTANT CURRENT; MEANS DEFINING FIRST AND SECOND THRESHOLD LEVELS; MEANS COMPARING SAID TIME INTEGRAL DEVELOPED BY SAID FIRST INTEGRATING MEANS WITH SAID FIRST THRESHOLD LEVEL AND SWITCHING SAID FLIP-FLOP TO SAID SECOND STATE WHEN SAID THRESHOLD LEVEL IS EXCEEDED; AND
Claim 2
Dependent Claim
133 words
A VOLTAGE CONTROLLED OSCILLATOR COMPRISING: MEANS PROVIDING A VOLTAGE SIGNAL; MEANS RESPONSIVE TO SAID VOLTAGE INPUT SIGNAL FOR PROVIDING A CONSTANT CURRENT HAVING AN AMPLITUDE RELATED TO THE AMPLITUDE OF SAID INPUT SIGNAL; FIRST AND SECOND INTEGRATING MEANS; A FLIP-FLOP CAPABLE OF DEFINING FIRST AND SECOND STATES; MEANS RESPONSIVE TO SAID FLIP-FLOP DEFINING SAID FIRST STATE FOR CAUSING SAID FIRST INTEGRATING MEANS TO DEVELOP THE TIME INTEGRAL OF SAID CONSTANT CURRENT; MEANS RESPONSIVE TO SAID FLIP-FLOP DEFINING SAID SECOND STATE FOR CAUSING SAID SECOND INTEGRATING MEANS TO DEVELOP THE TIME INTEGRAL OF SAID CONSTANT CURRENT; MEANS DEFINING FIRST AND SECOND THRESHOLD LEVELS; MEANS COMPARING SAID TIME INTEGRAL DEVELOPED BY SAID FIRST INTEGRATING MEANS WITH SAID FIRST THRESHOLD LEVEL AND SWITCHING SAID FLIP-FLOP TO SAID SECOND STATE WHEN SAID THRESHOLD LEVEL IS EXCEEDED; AND
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) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |