US3237017A
Expired / Lapsed
US
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Nonreciprocal parametric amplifier converter with internal pump
Assignee: Telefunken Patentverwertungs GmbH
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Filing: 1965-03-25
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Granted: 1966-02-22
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Expires: 1985-03-25
Abstract
No abstract record available.
Inventors
- 👤 Maurer Robert
- 👤 Locherer Karl-Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:36
CPC Classifications
H; H03; H03D; H03D7/00; H03D7/02; H03D7/04; H03F; H03F7/00; H03F7/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A NON-RECIPROCAL AMPLIFIER CIRCUIT ARRANGEMENT, ESPECIALLY FOR ULTRA-HIGH FREQUENCY, COMPRISING, IN COMBINATION: (A) AN UP-CONVERTER AND A DOWN-CONVERTER CONNECTED IN A CASCADE ARRANGEMENT AND HAVING NON-LINEAR ELEMENTS, SAID CASCADE ARRANGEMENT HAVING AN INPUT AND AN OUTPUT; (B) A SOURCE OF SIGNAL VOLTAGE FOR FEEDING THE CASCADE ARRANGEMENT AND A SOURCE OF PUMP VOLTAGE FOR CONTROLLING THE NON-LINEAR ELEMENTS, ONE OF SAID CONVERTERS HAVING AN ACTIVE ELEMENT WHICH IS A NONLINEAR REAL CONDUCTANCE AND THE OTHER CONVERTER HAVING A NON-LINEAR SUSCEPTANCE; AND (C) A PASSIVE LINEAR AND RECIPROCAL COUPLING NETWORK PROVIDED BETWEEN THE INPUT AND THE OUTPUT OF THE CASCADE ARRANGEMENT FOR NEUTRALIZING THE REACTIVE ADMITTANCE.
Claim 2
Dependent Claim
105 words
A NON-RECIPROCAL AMPLIFIER CIRCUIT ARRANGEMENT, ESPECIALLY FOR ULTRA-HIGH FREQUENCY, COMPRISING, IN COMBINATION: (A) AN UP-CONVERTER AND A DOWN-CONVERTER CONNECTED IN A CASCADE ARRANGEMENT AND HAVING NON-LINEAR ELEMENTS, SAID CASCADE ARRANGEMENT HAVING AN INPUT AND AN OUTPUT; (B) A SOURCE OF SIGNAL VOLTAGE FOR FEEDING THE CASCADE ARRANGEMENT AND A SOURCE OF PUMP VOLTAGE FOR CONTROLLING THE NON-LINEAR ELEMENTS, ONE OF SAID CONVERTERS HAVING AN ACTIVE ELEMENT WHICH IS A NONLINEAR REAL CONDUCTANCE AND THE OTHER CONVERTER HAVING A NON-LINEAR SUSCEPTANCE; AND (C) A PASSIVE LINEAR AND RECIPROCAL COUPLING NETWORK PROVIDED BETWEEN THE INPUT AND THE OUTPUT OF THE CASCADE ARRANGEMENT FOR NEUTRALIZING THE REACTIVE ADMITTANCE.
References Cited (Backward Citations)
US3118113A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |