Patent US3302133A successfully refreshed from Google Patents.
US3302133A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit
Assignee: Telefunken Patentverwertungs GmbH
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Filing: 1962-01-02
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Granted: 1967-01-31
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Expires: 1982-01-02
Abstract
No abstract record available.
Inventors
- 👤 Buschbeck Werner
- 👤 Ruhrmann Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:47
CPC Classifications
H; H03; H03H; H03H7/00; H03H7/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
202 words
A CIRCUIT DEVICE WHICH IS ASYMMETRICAL WITH RESPECT TO GROUND FOR FEEDING A COMMON LOAD CIRCUIT, SUCH AS AN ANTENNA CIRCUIT APPEARING AS A TUNED CIRCUIT, FROM TWO HIGH FREQUENCY (HF) GENERATORS WITH THE SAME FREQUENCY AND PHASE, SAID CIRCUIT DEVICE COMPRISING, IN COMBINATION: (A) A FIRST PAIR OF TERMINALS FOR CONNECTION WITH ONE HF GENERATOR; (B) A SECOND PAIR OF TERMINALS FOR CONNECTION WITH ANOTHER HF GENERATOR; (C) A BRIDGE CIRCUIT HAVING A PHASE ANGLE OTHER THAN AN INTEGRAL MULTIPLE OF 180*, INCLUDING THE MULTIPLE 0, AND INCLUDING (1) A LOAD CIRCUIT, ONE CORRESPONDING TERMINAL FROM EACH PAIR BEING CONNECTED TOGETHER AND WITH ONE SIDE OF SAID LOAD CIRCUIT AND TO GROUND, AND A LOAD BALANCING RESISTANCE, (2) A VOLTAGE DIVIDER INCLUDING REACTANCE ELEMENTS OF ONE TYPE CONNECTED BETWEEN OTHER CORRESPONDING TERMINALS FROM EACH PAIR, THE POINT JOINING SAID REACTANCE ELEMENTS BEING CONNECTED TO THE OTHER SIDE OF SAID LOAD CIRCUIT, AND (3) A REACTANCE ELEMENT OF THE OTHER TYPE CONNECTED WITH SAID VOLTAGE DIVIDER; AND (D) AT LEAST ONE SUPPLEMENTING STAGE CONNECTED WITH SAID BRIDGE CIRCUIT FOR MAKING THE PHASE ANGLE BETWEEN THE TWO GENERATORS AND THE LOAD CIRCUIT EQUAL TO AN INTEGRAL MULTIPLE OF 180* INCLUDING THE MULTIPLIER 0.
Claim 2
Dependent Claim
202 words
A CIRCUIT DEVICE WHICH IS ASYMMETRICAL WITH RESPECT TO GROUND FOR FEEDING A COMMON LOAD CIRCUIT, SUCH AS AN ANTENNA CIRCUIT APPEARING AS A TUNED CIRCUIT, FROM TWO HIGH FREQUENCY (HF) GENERATORS WITH THE SAME FREQUENCY AND PHASE, SAID CIRCUIT DEVICE COMPRISING, IN COMBINATION: (A) A FIRST PAIR OF TERMINALS FOR CONNECTION WITH ONE HF GENERATOR; (B) A SECOND PAIR OF TERMINALS FOR CONNECTION WITH ANOTHER HF GENERATOR; (C) A BRIDGE CIRCUIT HAVING A PHASE ANGLE OTHER THAN AN INTEGRAL MULTIPLE OF 180*, INCLUDING THE MULTIPLE 0, AND INCLUDING (1) A LOAD CIRCUIT, ONE CORRESPONDING TERMINAL FROM EACH PAIR BEING CONNECTED TOGETHER AND WITH ONE SIDE OF SAID LOAD CIRCUIT AND TO GROUND, AND A LOAD BALANCING RESISTANCE, (2) A VOLTAGE DIVIDER INCLUDING REACTANCE ELEMENTS OF ONE TYPE CONNECTED BETWEEN OTHER CORRESPONDING TERMINALS FROM EACH PAIR, THE POINT JOINING SAID REACTANCE ELEMENTS BEING CONNECTED TO THE OTHER SIDE OF SAID LOAD CIRCUIT, AND (3) A REACTANCE ELEMENT OF THE OTHER TYPE CONNECTED WITH SAID VOLTAGE DIVIDER; AND (D) AT LEAST ONE SUPPLEMENTING STAGE CONNECTED WITH SAID BRIDGE CIRCUIT FOR MAKING THE PHASE ANGLE BETWEEN THE TWO GENERATORS AND THE LOAD CIRCUIT EQUAL TO AN INTEGRAL MULTIPLE OF 180* INCLUDING THE MULTIPLIER 0.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |