Patent US3092787A successfully refreshed from Google Patents.
US3092787A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crystal controlled multiple frequency generator
Assignee: Avco Corp
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Filing: 1960-07-21
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Granted: 1963-06-04
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Expires: 1980-07-21
Abstract
No abstract record available.
Inventors
- 👤 Richard A Pohlman
- 👤 Donald F Volkman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:21
CPC Classifications
H; H03; H03B; H03B5/00; H03B5/30; H03B5/32; H03B5/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A CRYSTAL CONTROLLED OSCILLATOR COMPRISING A VACUUM TUBE HAVING AT LEAST ANODE, CATHODE AND CONTROL ELECTRODES, VOLTAGE DIVIDING CAPACITORS BETWEEN SAID CATHODE AND CONTROL ELECTRODE AND BETWEEN SAID CATHODE AND A POINT OF REFERENCE POTENTIAL, A TANK CIRCUIT COMPRISING A CONTROL CRYSTAL, A CAPACITOR AND A PLURALITY OF INDUCTORS CONNECTED IN SERIES BETWEEN SAID CONTROL ELECTRODE AND SAID POINT OF REFERENCE POTENTIAL, MEANS INCLUDING A FIRST DIODE FOR SHORTING OUT AT LEAST ONE OF SAID INDUCTORS, AND MEANS INCLUDING A SECOND DIODE FOR REFLECTING ADDITIONAL INDUCTANCE INTO AT LEAST ONE OF SAID INDUCTORS, EACH OF SAID DIODES HAVING A CATHODE CONNECTED TO SAID POINT OF REFERENCE POTENTIAL.
Claim 2
Dependent Claim
107 words
A CRYSTAL CONTROLLED OSCILLATOR COMPRISING A VACUUM TUBE HAVING AT LEAST ANODE, CATHODE AND CONTROL ELECTRODES, VOLTAGE DIVIDING CAPACITORS BETWEEN SAID CATHODE AND CONTROL ELECTRODE AND BETWEEN SAID CATHODE AND A POINT OF REFERENCE POTENTIAL, A TANK CIRCUIT COMPRISING A CONTROL CRYSTAL, A CAPACITOR AND A PLURALITY OF INDUCTORS CONNECTED IN SERIES BETWEEN SAID CONTROL ELECTRODE AND SAID POINT OF REFERENCE POTENTIAL, MEANS INCLUDING A FIRST DIODE FOR SHORTING OUT AT LEAST ONE OF SAID INDUCTORS, AND MEANS INCLUDING A SECOND DIODE FOR REFLECTING ADDITIONAL INDUCTANCE INTO AT LEAST ONE OF SAID INDUCTORS, EACH OF SAID DIODES HAVING A CATHODE CONNECTED TO SAID POINT OF REFERENCE POTENTIAL.
References Cited (Backward Citations)
GB686979A
Cited
US2925562A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |