US3246177A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic switching circuit employing an insulated gate field-effect transistor having rectifier means connected between its gate and source or drain electrodes
Assignee: RCA Corp
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Filing: 1963-06-19
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Granted: 1966-04-12
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Expires: 1983-06-19
Abstract
No abstract record available.
Inventors
- 👤 John O Schroeder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:40
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/14; H04N5/16; H04N5/18; H04N5/185; H03; H03D; H03D1/00; H03D1/14; H03D1/18; H03D1/22; H03D1/2272; H03F; H03F3/00; H03F3/38; H03F3/387; H03F3/393; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/687; H03K17/689; H03K17/691; H10; H10D; H10D99/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
AN ELECTRONIC SWITCHING SYSTEM FOR CONTROLLING BIDIRECTIONAL CURRENTS INCLUDING AN INSULATED-GATE FIELD-EFFECT TRANSISTOR HAVING SOURCE, GATE AND DRAIN ELECTRODES, A CONTROL CIRCUIT INCLUDING RECTIFYING MEANS CONNECTED BETWEEN SAID GATE ELECTRODE AND ONE OF SAID SOURCE AND DRAIN ELECTRODES, A CONTROLLED CIRCUIT INCLUDING A SOURCE OF BIDIRECTIONAL CURRENTS AND A LOAD IMPEDANCE ELEMENT CONNECTED BETWEEN SAID SOURCE AND DRAIN ELECTRODES, AND MEANS FOR APPLYING SWITCHING SIGNALS TO SAID CONTROL CIRCUIT.
Claim 2
Dependent Claim
69 words
AN ELECTRONIC SWITCHING SYSTEM FOR CONTROLLING BIDIRECTIONAL CURRENTS INCLUDING AN INSULATED-GATE FIELD-EFFECT TRANSISTOR HAVING SOURCE, GATE AND DRAIN ELECTRODES, A CONTROL CIRCUIT INCLUDING RECTIFYING MEANS CONNECTED BETWEEN SAID GATE ELECTRODE AND ONE OF SAID SOURCE AND DRAIN ELECTRODES, A CONTROLLED CIRCUIT INCLUDING A SOURCE OF BIDIRECTIONAL CURRENTS AND A LOAD IMPEDANCE ELEMENT CONNECTED BETWEEN SAID SOURCE AND DRAIN ELECTRODES, AND MEANS FOR APPLYING SWITCHING SIGNALS TO SAID CONTROL CIRCUIT.
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) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |