US3088076A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic apparatus
Assignee: Honeywell Inc
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Filing: 1958-11-17
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Granted: 1963-04-30
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Expires: 1978-11-17
Abstract
No abstract record available.
Inventors
- 👤 Richard S Burwen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:06
CPC Classifications
H; H03; H03F; H03F1/00; H03F1/30; H03F1/303
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
183 words
AN ELECTRONIC AMPLIFIER SYSTEM FOR DIFFERENTIAL INPUT SIGNALS, SAID SYSTEM COMPRISING AN AMPLIFIER HAVING A FIRST AND A SECOND INPUT TERMINAL AND AN OUTPUT CIRCUIT HAVING A FIRST AND A SECOND OUTPUT TERMINAL, A FIRST AND A SECOND SYSTEM DIFFERENTIAL-SIGNAL INPUT TERMINAL AND A COMMON INPUT TERMINAL, SAID COMMON TERMINAL BEING CONNECTED TO ONE OF SAID OUTPUT TERMINALS OF SAID AMPLIFIER OUTPUT CIRCUIT BY A COMMON BUS, A FIRST INPUT IMPEDANCE CONNECTED BETWEEN SAID FIRST SYSTEM INPUT TERMINAL AND SAID FIRST AMPLIFIER INPUT TERMINAL, A SECOND INPUT IMPEDANCE CONNECTED BETWEEN SAID SECOND SYSTEM INPUT TERMINAL AND SAID SECOND AMPLIFIER INPUT TERMINAL, A FEEDBACK IMPEDANCE CONNECTED IN DEGENERATIVE FEEDBACK RELATION BETWEEN THE OTHER OF SAID OUTPUT TERMINALS OF SAID AMPLIFIER OUTPUT CIRCUIT AND SAID SECOND AMPLIFIER INPUT TERMINAL, AND A BALANCE IMPEDANCE CONNECTED BETWEEN SAID FIRST AMPLIFIER INPUT TERMINAL AND ONE OF SAID OUTPUT TERMINALS OF SAID AMPLIFIER OUTPUT CIRCUIT, SAID FIRST AND SECOND INPUT IMPEDANCES, SAID FEEDBACK IMPEDANCE AND SAID BALANCE IMPEDANCE FORMING A BALANCED CIRCUIT WITH RESPECT TO COMMON-MODE SIGNALS WHEREBY TO REJECT SAID COMMONMODE SIGNALS FROM THE OPERATION OF SAID AMPLIFIER.
Claim 2
Dependent Claim
183 words
AN ELECTRONIC AMPLIFIER SYSTEM FOR DIFFERENTIAL INPUT SIGNALS, SAID SYSTEM COMPRISING AN AMPLIFIER HAVING A FIRST AND A SECOND INPUT TERMINAL AND AN OUTPUT CIRCUIT HAVING A FIRST AND A SECOND OUTPUT TERMINAL, A FIRST AND A SECOND SYSTEM DIFFERENTIAL-SIGNAL INPUT TERMINAL AND A COMMON INPUT TERMINAL, SAID COMMON TERMINAL BEING CONNECTED TO ONE OF SAID OUTPUT TERMINALS OF SAID AMPLIFIER OUTPUT CIRCUIT BY A COMMON BUS, A FIRST INPUT IMPEDANCE CONNECTED BETWEEN SAID FIRST SYSTEM INPUT TERMINAL AND SAID FIRST AMPLIFIER INPUT TERMINAL, A SECOND INPUT IMPEDANCE CONNECTED BETWEEN SAID SECOND SYSTEM INPUT TERMINAL AND SAID SECOND AMPLIFIER INPUT TERMINAL, A FEEDBACK IMPEDANCE CONNECTED IN DEGENERATIVE FEEDBACK RELATION BETWEEN THE OTHER OF SAID OUTPUT TERMINALS OF SAID AMPLIFIER OUTPUT CIRCUIT AND SAID SECOND AMPLIFIER INPUT TERMINAL, AND A BALANCE IMPEDANCE CONNECTED BETWEEN SAID FIRST AMPLIFIER INPUT TERMINAL AND ONE OF SAID OUTPUT TERMINALS OF SAID AMPLIFIER OUTPUT CIRCUIT, SAID FIRST AND SECOND INPUT IMPEDANCES, SAID FEEDBACK IMPEDANCE AND SAID BALANCE IMPEDANCE FORMING A BALANCED CIRCUIT WITH RESPECT TO COMMON-MODE SIGNALS WHEREBY TO REJECT SAID COMMONMODE SIGNALS FROM THE OPERATION OF SAID AMPLIFIER.
References Cited (Backward Citations)
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US2497129A
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US2688729A
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US2648727A
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US2856468A
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US2801296A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |