US3332035A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oscillator circuit with variable capacitor
Assignee: ALFRED ELECTRONICS
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Filing: 1966-07-20
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Granted: 1967-07-18
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Expires: 1986-07-20
Abstract
No abstract record available.
Inventors
- 👤 Kovalevski Nicholas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:04
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
61 words
A VARIABLE FREQUENCY OSCILLATOR, COMPRISING: A TRANSISTOR DEVICE HAVING CHARACTERISTICS WHICH VARY AS A FUNCTION OF FREQUENCY, SAID TRANSISTOR HAVING A BASE ELECTRODE, A COLLECTOR ELECTRODE AND AN EMITTER ELECTRODE; AN OUTPUT INDUCTOR CONNECTED TO SAID TRANSISTOR; A VARACTOR CONNECTED TO SAID TRANSISTOR; AND A SOURCE OF CONTROL SIGNALS CONNECTED TO SAID VARACTOR, SAID CONTROL SIGNALS BEING VARIABLE OVER A PREDETER-
Claim 2
Dependent Claim
61 words
A VARIABLE FREQUENCY OSCILLATOR, COMPRISING: A TRANSISTOR DEVICE HAVING CHARACTERISTICS WHICH VARY AS A FUNCTION OF FREQUENCY, SAID TRANSISTOR HAVING A BASE ELECTRODE, A COLLECTOR ELECTRODE AND AN EMITTER ELECTRODE; AN OUTPUT INDUCTOR CONNECTED TO SAID TRANSISTOR; A VARACTOR CONNECTED TO SAID TRANSISTOR; AND A SOURCE OF CONTROL SIGNALS CONNECTED TO SAID VARACTOR, SAID CONTROL SIGNALS BEING VARIABLE OVER A PREDETER-
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-17 | 1971-01-16 | 1971-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-17 | 1975-01-16 | 1975-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-17 | 1979-01-16 | 1979-07-18 | $7700.00 | Window Closed / Lapsed |