US3360739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilizied dual-channel pulse amplifiers with transient response compensation
Assignee: AT&T Inc
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Filing: 1965-06-10
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Granted: 1967-12-26
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Expires: 1985-06-10
Abstract
No abstract record available.
Inventors
- 👤 Edmund H Cooke-Yarborough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:49
CPC Classifications
H; H03; H03F; H03F1/00; H03F1/32; H03F1/3223; H03F3/00; H03F3/68; H03K; H03K5/00; H03K5/01; H03K5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A STABILIZED DUAL CHANNEL SIGNAL AMPLIFIER WHICH COMPRISED AN INPUT SECTION, AN OUTPUT SECTION, FIRST AND SECOND PARALLEL CHANNELS EACH EXTENDING BETWEEN SAID INPUT SECTION AND SAID OUTPUT SECTION, SAID FIRST CHANNEL CONTAINING A MAIN AMPLIFIER HAVING A NET PHASE REVERSAL AND SAID SECOND CHANNEL CONTAINING A SECONDARY AMPLIFIER HAVING A NET PHASE REVERSAL, CROSS-COUPLING ATTENUATOR CONNECTING THE OUTPUT SIDE OF SAID MAIN AMPLIFIER TO THE INPUT SIDE OF SAID SECONDARY AMPLIFIER, AND A PASSIVE
Claim 2
Dependent Claim
75 words
A STABILIZED DUAL CHANNEL SIGNAL AMPLIFIER WHICH COMPRISED AN INPUT SECTION, AN OUTPUT SECTION, FIRST AND SECOND PARALLEL CHANNELS EACH EXTENDING BETWEEN SAID INPUT SECTION AND SAID OUTPUT SECTION, SAID FIRST CHANNEL CONTAINING A MAIN AMPLIFIER HAVING A NET PHASE REVERSAL AND SAID SECOND CHANNEL CONTAINING A SECONDARY AMPLIFIER HAVING A NET PHASE REVERSAL, CROSS-COUPLING ATTENUATOR CONNECTING THE OUTPUT SIDE OF SAID MAIN AMPLIFIER TO THE INPUT SIDE OF SAID SECONDARY AMPLIFIER, AND A PASSIVE
References Cited (Backward Citations)
DE1085194B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-25 | 1971-06-26 | 1971-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-25 | 1975-06-26 | 1975-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-25 | 1979-06-26 | 1979-12-26 | $7700.00 | Window Closed / Lapsed |