US3716726A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Center clipper
Assignee: AT&T Inc
•
Filing: 1971-07-13
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Granted: 1973-02-13
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Expires: 1991-07-13
Abstract
Abstract IN A LOW DISTORTION CENTER CLIPPER, COMPARATOR CIRCUITRY INCLUDING TWO DIFFERENTIAL AMPLIFIERS PROVIDES A CONTROL SIGNAL WHEN THE INSTANTANEOUS MANGITUDE OF THE SIGNAL TO BE CENTER CLIPPED LIES WITHIN THE CLIPPING RANGE. THE CENTER CLIPPER IS COUPLED TO A TRANSMISSION PATH, THE INPUT TO D R A W I N G WHICH IS THE SIGNAL TO BE CENTER CLIPPED, AND SWITCHING CIRCUITRY IN THE CENTER CLIPPER INTERRUPTS THE TRANSMISSION PATH IN RESPONSE TO THE CONTROL SIGNAL.
Inventors
- 👤 D Trimble
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:11
CPC Classifications
H; H03; H03G; H03G11/00; H03G11/002
Claims Analysis
Total Claims: 0
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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) | 1976-02-13 | 1976-08-14 | 1977-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-13 | 1980-08-14 | 1981-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-13 | 1984-08-14 | 1985-02-13 | $7700.00 | Window Closed / Lapsed |