US3260957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compensated platform gain control apparatus
Assignee: CBS Broadcasting Inc
•
Filing: 1963-04-02
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Granted: 1966-07-12
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Expires: 1983-04-02
Abstract
No abstract record available.
Inventors
- 👤 Kaiser Arthur
- 👤 Torick Emil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:14
CPC Classifications
H; H03; H03G; H03G7/00; H03G7/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
115 words
IN AN AMPLIFIER GAIN CONTROL ARRANGEMENT INCLUDING STORAGE CAPACITOR MEANS FOR HOLDING AND APPLYING A CONTROL VOLTAGE TO SAID AMPLIFIER TO CONTROL ITS GAIN AS A FUNCTION OF THE AMPLIFIER SIGNAL LEVEL AND GATE MEANS COUPLED BETWEEN SAID AMPLIFIER AND SAID STORAGE CAPACITOR MEANS AND OPERATIVE TO PREVENT A CHANGE IN THE CONTROL VOLTAGE APPLIED TO SAID AMPLIFIER WHEN THE SIGNAL INPUT THERETO FALLS BELOW A PREDETERMINED THRESHOLD LEVEL, CIRCUIT MEANS COUPLED TO SAID GATE MEANS AND RESPONSIVE TO A PREDETERMINED PERIOD OF OPERATION THEREOF TO DEVELOP A GIVEN VOLTAGE, AND MEANS COUPLING SAID CIRCUIT MEANS TO SAID STORAGE CAPACITOR MEANS TO INCREASE THE CONTROL VOLTAGE STORED THEREIN TO THE LEVEL OF SAID GIVEN VOLTAGE.
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) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |