US3328705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Peak detector
Assignee: AT&T Inc
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Filing: 1964-07-06
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Granted: 1967-06-27
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Expires: 1984-07-06
Abstract
No abstract record available.
Inventors
- 👤 John M Eubanks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:37
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/153; H03K5/1532
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A RANDOM PEAK AMPLITUDE DETECTOR CIRCUIT COMPRISING A MULTISTAGE AMPLIFIER HAVING AN INPUT CIRCUIT AND AN OUTPUT CIRCUIT, A NETWORK COUPLING TWO OF ITS SUCCESSIVE STAGES, SAID NETWORK CONNECTED TO RECEIVE SIGNAL CURRENT FLOW FROM THE FIRST OF SAID SUCCESSIVE STAGES AND COMPRISING A CAPACITOR CONNECTED IN SERIES WITH TWO PARALLEL-CONNECTED DIODES POLED TO ALTERNATELY CONDUCT UPON REVERSALS OF SAID CURRENT FLOW, THE INPUT TO THE SECOND OF SAID SUCCESSIVE STAGES BEING DERIVED FROM ACROSS SAID CAPACITOR, A NEGATIVE FEEDBACK PATH COUPLING SAID OUTPUT CIRCUIT TO SAID
Claim 2
Dependent Claim
87 words
A RANDOM PEAK AMPLITUDE DETECTOR CIRCUIT COMPRISING A MULTISTAGE AMPLIFIER HAVING AN INPUT CIRCUIT AND AN OUTPUT CIRCUIT, A NETWORK COUPLING TWO OF ITS SUCCESSIVE STAGES, SAID NETWORK CONNECTED TO RECEIVE SIGNAL CURRENT FLOW FROM THE FIRST OF SAID SUCCESSIVE STAGES AND COMPRISING A CAPACITOR CONNECTED IN SERIES WITH TWO PARALLEL-CONNECTED DIODES POLED TO ALTERNATELY CONDUCT UPON REVERSALS OF SAID CURRENT FLOW, THE INPUT TO THE SECOND OF SAID SUCCESSIVE STAGES BEING DERIVED FROM ACROSS SAID CAPACITOR, A NEGATIVE FEEDBACK PATH COUPLING SAID OUTPUT CIRCUIT TO SAID
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) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |