Patent US3124760A successfully refreshed from Google Patents.
US3124760A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transistor amplifies with variable
Assignee: —
•
Filing: —
•
Granted: 1964-03-10
•
Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:06
CPC Classifications
H; H03; H03G; H03G11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A TRANSISTOR AMPLIFIER COMPRISING A TRANSISTOR HAVING BASE, EMITTER AND COLLECTOR ELECTRODES, COLLECTOR CIRCUIT MEANS CONNECTED TO SAID COLLECTOR ELECTRODE, A SOURCE OF SIGNALS CONNECTED TO SAID BASE ELECTRODE, MEANS CONNECTING SAID EMITTER ELECTRODE TO A POINT OF CONSTANT POTENTIAL, SAID COLLECTOR CIRCUIT COMPRISING FIRST VARIABLE RESISTOR MEANS IN SERIES WITH THE PARALLEL COMBINATION OF LOAD MEANS AND SECOND VARIABLE RESISTOR MEANS, RECTIFIER MEANS, AND MEANS CONNECTING SAID RECTIFIER MEANS TO SAID COLLECTOR ELECTRODE FOR PRODUCING AN AUTOMATIC GAIN CONTROL VOLTAGE.
Claim 2
Dependent Claim
81 words
A TRANSISTOR AMPLIFIER COMPRISING A TRANSISTOR HAVING BASE, EMITTER AND COLLECTOR ELECTRODES, COLLECTOR CIRCUIT MEANS CONNECTED TO SAID COLLECTOR ELECTRODE, A SOURCE OF SIGNALS CONNECTED TO SAID BASE ELECTRODE, MEANS CONNECTING SAID EMITTER ELECTRODE TO A POINT OF CONSTANT POTENTIAL, SAID COLLECTOR CIRCUIT COMPRISING FIRST VARIABLE RESISTOR MEANS IN SERIES WITH THE PARALLEL COMBINATION OF LOAD MEANS AND SECOND VARIABLE RESISTOR MEANS, RECTIFIER MEANS, AND MEANS CONNECTING SAID RECTIFIER MEANS TO SAID COLLECTOR ELECTRODE FOR PRODUCING AN AUTOMATIC GAIN CONTROL VOLTAGE.
References Cited (Backward Citations)
US2898411A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |