US3492501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically controlled rf variable power dividing network
Assignee: Motorola Solutions Inc
•
Filing: 1966-09-09
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Granted: 1970-01-27
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Expires: 1986-09-09
Abstract
No abstract record available.
Inventors
- 👤 Donald E Allen
- 👤 Hugh R Malone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:05
CPC Classifications
H; H03; H03H; H03H7/00; H03H7/24; H03H7/25; H03H7/253; H03H7/255; H03C; H03C1/00; H03C1/08; H03C1/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
179 words
A POWER DIVIDING NETWORK WHICH COMPRISES: (A) FIRST AND SECOND INPUT TERMINALS, SAID INPUT TERMINALS PROVIDING AN INPUT PORT; (B) FIRST AND SECOND OUTPUT TERMINALS, SAID OUTPUT TERMINALS PROVIDING A FIRST OUTPUT PORT; (C) THIRD AND FOURTH OUTPUT TERMINALS, SAID OUTPUT TERMINALS PROVIDING A SECOND OUTPUT PORT; (D) A FIRST DIODE COUPLED BETWEEN SAID FIRST INPUT TERMINAL AND SAID FIRST OUTPUT TERMINAL, SAID DIODE BEING POLED WHEN FORWARD BIASED TO CONDUCT CURRENT TO SAID FIRST OUTPUT TERMINAL; (E) A SECOND DIODE COUPLED BETWEEN SAID FIRST INPUT TERMINAL AND SAID THIRD OUTPUT TERMINAL AND POLED WHEN FORWARD BIASED TO CONDUCT CURRENT TO SAID FIRST INPUT TERMINAL; (F) D.C. BLOCKING MEANS INTERPOSED BETWEEN SAID DIODES AND ADJACENT INPUT AND OUTPUT TERMINALS; (G) BIASING MEANS COUPLED ACROSS THE COMBINATION OF SAID FIRST AND SECOND DIODES FOR APPLYING A CONSTANT POTENTIAL THEREACROSS; AND (H) CONTROL VOLTAGE MEANS COUPLED TO THE JUNCTION BETWEEN SAID FIRST AND SECOND DIODES FOR VARYING THE DISTRIBUTION OF THE BIAS POTENTIAL ACROSS SAID DIODES WHEREBY THE DISTRIBUTION OF POWER AT SAID FIRST AND SECOND OUTPUT PORTS IS VARIED ACCORDINGLY.
Claim 2
Dependent Claim
179 words
A POWER DIVIDING NETWORK WHICH COMPRISES: (A) FIRST AND SECOND INPUT TERMINALS, SAID INPUT TERMINALS PROVIDING AN INPUT PORT; (B) FIRST AND SECOND OUTPUT TERMINALS, SAID OUTPUT TERMINALS PROVIDING A FIRST OUTPUT PORT; (C) THIRD AND FOURTH OUTPUT TERMINALS, SAID OUTPUT TERMINALS PROVIDING A SECOND OUTPUT PORT; (D) A FIRST DIODE COUPLED BETWEEN SAID FIRST INPUT TERMINAL AND SAID FIRST OUTPUT TERMINAL, SAID DIODE BEING POLED WHEN FORWARD BIASED TO CONDUCT CURRENT TO SAID FIRST OUTPUT TERMINAL; (E) A SECOND DIODE COUPLED BETWEEN SAID FIRST INPUT TERMINAL AND SAID THIRD OUTPUT TERMINAL AND POLED WHEN FORWARD BIASED TO CONDUCT CURRENT TO SAID FIRST INPUT TERMINAL; (F) D.C. BLOCKING MEANS INTERPOSED BETWEEN SAID DIODES AND ADJACENT INPUT AND OUTPUT TERMINALS; (G) BIASING MEANS COUPLED ACROSS THE COMBINATION OF SAID FIRST AND SECOND DIODES FOR APPLYING A CONSTANT POTENTIAL THEREACROSS; AND (H) CONTROL VOLTAGE MEANS COUPLED TO THE JUNCTION BETWEEN SAID FIRST AND SECOND DIODES FOR VARYING THE DISTRIBUTION OF THE BIAS POTENTIAL ACROSS SAID DIODES WHEREBY THE DISTRIBUTION OF POWER AT SAID FIRST AND SECOND OUTPUT PORTS IS VARIED ACCORDINGLY.
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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) | 1973-01-26 | 1973-07-28 | 1974-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-26 | 1977-07-28 | 1978-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-26 | 1981-07-28 | 1982-01-27 | $7700.00 | Window Closed / Lapsed |