Patent US5278796A successfully refreshed from Google Patents.
Patent US3262072A successfully refreshed from Google Patents.
US3262072A
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High frequency voltage control transistor oscillator circuit
Assignee: Simmonds Precision Products Inc
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Filing: 1964-07-17
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Granted: 1966-07-19
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Expires: 1984-07-17
Abstract
No abstract record available.
Inventors
- 👤 Milton A Crandall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:36
CPC Classifications
H; H03; H03B; H03B5/00; H03B5/08; H03B5/12; H03B5/1231; H03B5/1203; H03B5/1237; H03B5/124; H03B5/1243; H03B2200/00; H03B2200/003; H03B2200/004; H03B2201/00; H03B2201/02; H03B2201/0208
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A GROUNDED-BASE TRANSISTOR FOR PRODUCING OSCILLATIONS COMPRISING A BASE-COLLECTOR CIRCUIT INCLUDING AN INDUCTANCE FOR TUNING SAID CIRCUIT AND A COLLECTOR-EMITTER FEEDBACK CIRCUIT HAVING A PLURALITY OF CAPACITANCE VOLTAGE DIVIDER MEANS ARRANGED IN A Y CONFIGURATION SUCH THAT THE COLLECTOR, EMITTER AND GROUND CONSTITUTE END TERMINALS OF SAID Y CONFIGURATION, SAID VOLTAGE DIVIDER MEANS COMPRISES VARACTORS HAVING A COMMON CONNECTION TO WHICH A VOLTAGE IS APPLIED FOR VARYING THE FREQUENCY OF OSCILLATION.
Claim 2
Dependent Claim
71 words
A GROUNDED-BASE TRANSISTOR FOR PRODUCING OSCILLATIONS COMPRISING A BASE-COLLECTOR CIRCUIT INCLUDING AN INDUCTANCE FOR TUNING SAID CIRCUIT AND A COLLECTOR-EMITTER FEEDBACK CIRCUIT HAVING A PLURALITY OF CAPACITANCE VOLTAGE DIVIDER MEANS ARRANGED IN A Y CONFIGURATION SUCH THAT THE COLLECTOR, EMITTER AND GROUND CONSTITUTE END TERMINALS OF SAID Y CONFIGURATION, SAID VOLTAGE DIVIDER MEANS COMPRISES VARACTORS HAVING A COMMON CONNECTION TO WHICH A VOLTAGE IS APPLIED FOR VARYING THE FREQUENCY OF OSCILLATION.
References Cited (Backward Citations)
US3042870A
Cited
US3192487A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |