Patent US3307118A successfully refreshed from Google Patents.
US3307118A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic switching circuit with oscillator
Assignee: Schaltbau GmbH
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Filing: 1965-01-18
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Granted: 1967-02-28
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Expires: 1985-01-18
Abstract
No abstract record available.
Inventors
- 👤 Svec Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:54
CPC Classifications
H; H03; H03B; H03B5/00; H03B5/30; H03B5/32; H03B5/36; H03K; H03K3/00; H03K3/80
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
AN ELECTRONIC SWITCHING CIRCUIT, COMPRISING: A FIRST AND A SECOND ELECTRONIC CIRCUIT ELEMENT EACH HAVING TWO MAIN ELECTRODES AND A CONTROL ELECTRODE; FIRST CIRCUIT MEANS FOR APPLYING BIASING POTENTIALS TO SAID MAIN ELECTRODES PERMITTING EITHER OF SAID CIRCUIT ELEMENTS TO CONDUCT; SECOND CIRCUIT MEANS FOR INTERCONNECTING THE CONTROL ELECTRODE OF SAID SECOND ELECTRONIC CIRCUIT ELEMENT AND ONE OF THE MAIN ELECTRODES OF SAID FIRST ELECTRONIC CIRCUIT ELEMENT TO PREVENT STABLE CONCURRENT STATES OF CONDUCTION IN THE TWO ELECTRONIC CIRCUIT ELEMENTS; INPUT MEANS OPERATING INDEPENDENTLY FROM THE TWO ELECTRONIC CIRCUIT ELEMENTS FOR APPLYING A CONTROL SIGNAL BETWEEN TWO OF SAID ELECTRODES OF THE FIRST ELECTRONIC CIRCUIT ELEMENT, TO CHANGE THE STATE OF CONDUCTION OF THE FIRST ELECTRONIC CIRCUIT ELEMENT UPON CHANGE IN THE LEVEL OF THE CONTROL SIGNAL; AND A BANDPASS FILTER HAVING A CHARACTERISTIC RESONANT FREQUENCY AND A PLURALITY OF TERMINALS GROUPED IN PAIRS
Claim 2
Dependent Claim
144 words
AN ELECTRONIC SWITCHING CIRCUIT, COMPRISING: A FIRST AND A SECOND ELECTRONIC CIRCUIT ELEMENT EACH HAVING TWO MAIN ELECTRODES AND A CONTROL ELECTRODE; FIRST CIRCUIT MEANS FOR APPLYING BIASING POTENTIALS TO SAID MAIN ELECTRODES PERMITTING EITHER OF SAID CIRCUIT ELEMENTS TO CONDUCT; SECOND CIRCUIT MEANS FOR INTERCONNECTING THE CONTROL ELECTRODE OF SAID SECOND ELECTRONIC CIRCUIT ELEMENT AND ONE OF THE MAIN ELECTRODES OF SAID FIRST ELECTRONIC CIRCUIT ELEMENT TO PREVENT STABLE CONCURRENT STATES OF CONDUCTION IN THE TWO ELECTRONIC CIRCUIT ELEMENTS; INPUT MEANS OPERATING INDEPENDENTLY FROM THE TWO ELECTRONIC CIRCUIT ELEMENTS FOR APPLYING A CONTROL SIGNAL BETWEEN TWO OF SAID ELECTRODES OF THE FIRST ELECTRONIC CIRCUIT ELEMENT, TO CHANGE THE STATE OF CONDUCTION OF THE FIRST ELECTRONIC CIRCUIT ELEMENT UPON CHANGE IN THE LEVEL OF THE CONTROL SIGNAL; AND A BANDPASS FILTER HAVING A CHARACTERISTIC RESONANT FREQUENCY AND A PLURALITY OF TERMINALS GROUPED IN PAIRS
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) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |