Patent US3171982A successfully refreshed from Google Patents.
US3171982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Differential amplifier with supply voltage compensation
Assignee: Honeywell Inc
•
Filing: 1962-08-27
•
Granted: 1965-03-02
•
Expires: 1982-08-27
Abstract
No abstract record available.
Inventors
- 👤 Roman C Ruhland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:43
CPC Classifications
H; H03; H03F; H03F3/00; H03F3/45; H03F3/45071; H03F3/45479
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
124 words
AMPLIFYING MEANS COMPRISING: FIRST AND SECOND TRANSISTORS EACH HAVING A PLURALITY OF ELECTRODES INCLUDING CONTROL, EMITTER AND COLLECTOR ELECTRODES; CIRCUIT MEANS CONNECTING SAID EMITTER ELECTRODES TO A SOURCE OF POTENTIAL; MEANS CONNECTING SAID COLLECTOR ELECTRODES TO A REFERENCE POTENTIAL POINT; POLARITY SENSITIVE SWITCH MEANS HAVING TRIGGERING ELECTRODES CONNECTED TO SAID COLLECTOR ELECTRODES, RESPECTIVELY, SAID SWITCH MEANS BEING OPERATED BY A PREDETERMINED POLARITY OF SIGNAL APPLIED TO SAID TRIGGERING ELECTRODES; AND FILTER NETWORK MEANS COMPRISING FIRST AND SECOND DIODES AND A CAPACITOR, ONE TERMINAL OF EACH BEING CONNECTED TO A COMMON JUNCTION POINT, SAID FIRST DIODE BEING CONNECTED TO SAID FIRST TRANSISTOR BASE ELECTRODE, SAID SECOND DIODE BEING CONNECTED TO SAID SECOND TRANSISTOR BASE ELECTRODE AND SAID CAPACITOR BEING CONNECTED TO SAID REFERENCE POTENTIAL POINT.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-01 | 1968-08-31 | 1969-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-01 | 1972-08-31 | 1973-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-01 | 1976-08-31 | 1977-03-02 | $7700.00 | Window Closed / Lapsed |