US3098199A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic gain control circuit
Assignee: Texas Instruments Inc
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Filing: 1962-02-01
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Granted: 1963-07-16
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Expires: 1982-02-01
Abstract
No abstract record available.
Inventors
- 👤 Carney Patrick Edward
- 👤 Joe H Keahey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:23
CPC Classifications
H; H03; H03G; H03G3/00; H03G3/20; H03G3/30; H03G3/3005; H03G3/301; H03G3/3015
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A GAIN CONTROL CIRCUIT COMPRISING: (A) AN AMPLIFYING STAGE HAVING INPUT AND OUTPUT TERMINALS, (B) A SIGNAL SOURCE CONNECTED TO SAID INPUT TERMINAL, (C) MEANS COUPLED TO SAID OUTPUT TERMINAL AND ADAPTED TO PRODUCE A GAIN CONTROL VOLTAGE RELATED IN MAGNITUDE TO THE AMPLIFIED SIGNALS APPEARING ON SAID OUTPUT TERMINAL, (D) A NEGATIVE FEEDBACK PATH BETWEEN SAID OUTPUT AND INPUT TERMINALS, SAID FEEDBACK PATH IICLUDING A PAIR OF DIODES CONNECTED TOGETHER IN SERIES OPPOSITION, (E) AND MEANS CONNECTING SAID GAIN CONTROL VOLTAGE TO THE JUNCTURE OF SAID PAIR OF DIODES WHEREBY THE DIODES WILL BOTH BE BIASED BY AN AMOUNT RELATED TO THE MAGNITUDE OF SAID GAIN CONTROL VOLTAGE.
Claim 2
Dependent Claim
109 words
A GAIN CONTROL CIRCUIT COMPRISING: (A) AN AMPLIFYING STAGE HAVING INPUT AND OUTPUT TERMINALS, (B) A SIGNAL SOURCE CONNECTED TO SAID INPUT TERMINAL, (C) MEANS COUPLED TO SAID OUTPUT TERMINAL AND ADAPTED TO PRODUCE A GAIN CONTROL VOLTAGE RELATED IN MAGNITUDE TO THE AMPLIFIED SIGNALS APPEARING ON SAID OUTPUT TERMINAL, (D) A NEGATIVE FEEDBACK PATH BETWEEN SAID OUTPUT AND INPUT TERMINALS, SAID FEEDBACK PATH IICLUDING A PAIR OF DIODES CONNECTED TOGETHER IN SERIES OPPOSITION, (E) AND MEANS CONNECTING SAID GAIN CONTROL VOLTAGE TO THE JUNCTURE OF SAID PAIR OF DIODES WHEREBY THE DIODES WILL BOTH BE BIASED BY AN AMOUNT RELATED TO THE MAGNITUDE OF SAID GAIN CONTROL VOLTAGE.
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) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |