US3334246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Technique for gating a vhf-uhf signal
Assignee: Individual
•
Filing: 1964-11-23
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Granted: 1967-08-01
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Expires: 1984-11-23
Abstract
No abstract record available.
Inventors
- 👤 Laurence C Drew
- 👤 Harry K Schlegelmilch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:15
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/60; H03K17/68
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A GATED AMPLIFIER FOR GATING A HIGH FREQUENCY RF SIGNAL COMPRISING: A FIRST TRANSISTOR HAVING EMITTER, BASE, AND COLLECTOR ELECTRODES, THE BASE ELECTRODE OF SAID FIRST TRANSISTOR BEING CONNECTED TO A SOURCE OF REFERENCE POTENTIAL; AN RF SIGNAL SOURCE; IMPEDANCE MATCHING MEANS FOR CONNECTING SAID RF SOURCE TO THE EMITTER ELECTRODE OF SAID FIRST TRANSISTOR; AN OUTPUT TERMINAL; MEANS CONNECTING THE COLLECTOR ELECTRODE OF SAID FIRST TRANSISTOR TO SAID OUTPUT TERMINAL; A CURRENT SOURCE CONNECTED TO THE EMITTER ELECTRODE OF SAID FIRST TRANSISTOR; A SECOND TRANSISTOR HAVING EMITTER, BASE, AND COLLECTOR ELECTRODES; A GATE INPUT TERMINAL; FIRST AND SECOND MEANS RESPECTIVELY CONNECTING SAID GATE INPUT TERMINAL AND SAID CURRENT SOURCE TO THE BASE ELECTRODE OF SAID SECOND TRANSISTOR, THE EMITTER ELECTRODE OF SAID SECOND TRANSISTOR BEING DIRECTLY CONNECTED TO THE EMITTER ELECTRODE OF SAID FIRST TRANSISTOR, AND THE COLLECTOR ELECTRODE OF SAID SECOND TRANSISTOR CONNECTED TO ANOTHER CURRENT SOURCE.
Claim 2
Dependent Claim
149 words
A GATED AMPLIFIER FOR GATING A HIGH FREQUENCY RF SIGNAL COMPRISING: A FIRST TRANSISTOR HAVING EMITTER, BASE, AND COLLECTOR ELECTRODES, THE BASE ELECTRODE OF SAID FIRST TRANSISTOR BEING CONNECTED TO A SOURCE OF REFERENCE POTENTIAL; AN RF SIGNAL SOURCE; IMPEDANCE MATCHING MEANS FOR CONNECTING SAID RF SOURCE TO THE EMITTER ELECTRODE OF SAID FIRST TRANSISTOR; AN OUTPUT TERMINAL; MEANS CONNECTING THE COLLECTOR ELECTRODE OF SAID FIRST TRANSISTOR TO SAID OUTPUT TERMINAL; A CURRENT SOURCE CONNECTED TO THE EMITTER ELECTRODE OF SAID FIRST TRANSISTOR; A SECOND TRANSISTOR HAVING EMITTER, BASE, AND COLLECTOR ELECTRODES; A GATE INPUT TERMINAL; FIRST AND SECOND MEANS RESPECTIVELY CONNECTING SAID GATE INPUT TERMINAL AND SAID CURRENT SOURCE TO THE BASE ELECTRODE OF SAID SECOND TRANSISTOR, THE EMITTER ELECTRODE OF SAID SECOND TRANSISTOR BEING DIRECTLY CONNECTED TO THE EMITTER ELECTRODE OF SAID FIRST TRANSISTOR, AND THE COLLECTOR ELECTRODE OF SAID SECOND TRANSISTOR CONNECTED TO ANOTHER CURRENT SOURCE.
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) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |