US3264574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amplifier system
Assignee: Texaco Inc
•
Filing: 1965-03-09
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Granted: 1966-08-02
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Expires: 1985-03-09
Abstract
No abstract record available.
Inventors
- 👤 Robert J Loofbourrow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:01
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/24; G01V1/245; H; H03; H03M; H03M1/00; H03M1/12; H03M1/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
AN AMPLIFIER SYSTEM FOR PRODUCING OUTPUT SIGNALS HAVING A PREDETERMINED LIMITED DYNAMIC AMPLITUDE RANGE THAT CONSTITUTES A PREDETERMINED PORTION OF THE FULL AMPLITUDE RANGE OF INPUT SIGNALS, COMPRISING IN COMBINATION AN INPUT SIGNAL CIRCUIT, SAID INPUT SIGNAL CIRCUIT HAVING SAID FULL AMPLITUDE RANGE OF INPUT SIGNALS IMPRESSED THEREON AND BEING CONNECTED TO THE FIRST ONE OF A PLURALITY OF AMPLIFIERS IN SERIES, CIRCUIT MEANS FOR LIMITING THE MAXIMUM AMPLITUDE OF OUTPUT SIGNALS FROM EACH OF SAID AMPLIFIERS TO SUBSTANTIALLY EQUAL A PREDETERMINED MAXIMUM AMPLITUDE IN ORDER TO AVOID OVERLOADING THE SUCCEEDING AMPLIFIER IN THE SERIES, A COMMON OUTPUT CIRCUIT FOR EACH OF SAID AMPLIFIERS IN THE ALTERNATIVE, SWITCH MEANS FOR SELECTIVELY CONNECTING ONE OF SAID AMPLIFIERS AT A TIME TO
Claim 2
Dependent Claim
120 words
AN AMPLIFIER SYSTEM FOR PRODUCING OUTPUT SIGNALS HAVING A PREDETERMINED LIMITED DYNAMIC AMPLITUDE RANGE THAT CONSTITUTES A PREDETERMINED PORTION OF THE FULL AMPLITUDE RANGE OF INPUT SIGNALS, COMPRISING IN COMBINATION AN INPUT SIGNAL CIRCUIT, SAID INPUT SIGNAL CIRCUIT HAVING SAID FULL AMPLITUDE RANGE OF INPUT SIGNALS IMPRESSED THEREON AND BEING CONNECTED TO THE FIRST ONE OF A PLURALITY OF AMPLIFIERS IN SERIES, CIRCUIT MEANS FOR LIMITING THE MAXIMUM AMPLITUDE OF OUTPUT SIGNALS FROM EACH OF SAID AMPLIFIERS TO SUBSTANTIALLY EQUAL A PREDETERMINED MAXIMUM AMPLITUDE IN ORDER TO AVOID OVERLOADING THE SUCCEEDING AMPLIFIER IN THE SERIES, A COMMON OUTPUT CIRCUIT FOR EACH OF SAID AMPLIFIERS IN THE ALTERNATIVE, SWITCH MEANS FOR SELECTIVELY CONNECTING ONE OF SAID AMPLIFIERS AT A TIME TO
References Cited (Backward Citations)
US1788513A
Cited
US2009229A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |