US3195049A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio diversity receiving system with automatic phase control
Assignee: TDK Micronas GmbH
•
Filing: 1960-05-04
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Granted: 1965-07-13
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Expires: 1980-05-04
Abstract
No abstract record available.
Inventors
- 👤 Frederick J Altman
- 👤 Iii Alex T Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:47
CPC Classifications
H; H04; H04B; H04B7/00; H04B7/02; H04B7/04; H04B7/08; H04B7/0837; H04B7/084
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A DIVERSITY RECEIVING SYSTEM COMPRISING A PLURALITY OF SOURCES OF SIGNALS, THE SIGNALS OF EACH OF SAID SOURCES HAVING A RANDOM RELATION WITH RESPECT TO EACH OTHER, A SIGNAL GENERATING MEANS TO PRODUCE A PLURALITY OF OSCILLATORY SIGNALS EACH ASSOCIATED WITH RESPECTIVELY ONES OF SAID SOURCES, A PLURALITY OF HETERODYNE MEANS EACH COUPLED TO RESPECTIVE ONES OF SAID SOURCES AND ITS ASSOCIATED ONE OF SAID OSCILLATORY SIGNALS TO PRODUCE AN INTERMEDIATE FREQUENCY SIGNALAT THE OUTPUT THEREOF, THE INTERMEDIATE FREQUENCY SIGNALS AT THE OUTPUT OF EACH OF SAID HETERODYNE MEANS HAVING THE SAME FREQUENCY, A PHASE CONTROL MEANS RESPONSIVE TO SAID INTERMEDIATE FREQUENCY SIGNALS COUPLED TO THE OUTPUT OF EACH OF SAID HTERODYNE MEANS AND SAID SIGNAL GENERATING MEANS TO FREQUENCY CONTROL AT
Claim 2
Dependent Claim
122 words
A DIVERSITY RECEIVING SYSTEM COMPRISING A PLURALITY OF SOURCES OF SIGNALS, THE SIGNALS OF EACH OF SAID SOURCES HAVING A RANDOM RELATION WITH RESPECT TO EACH OTHER, A SIGNAL GENERATING MEANS TO PRODUCE A PLURALITY OF OSCILLATORY SIGNALS EACH ASSOCIATED WITH RESPECTIVELY ONES OF SAID SOURCES, A PLURALITY OF HETERODYNE MEANS EACH COUPLED TO RESPECTIVE ONES OF SAID SOURCES AND ITS ASSOCIATED ONE OF SAID OSCILLATORY SIGNALS TO PRODUCE AN INTERMEDIATE FREQUENCY SIGNALAT THE OUTPUT THEREOF, THE INTERMEDIATE FREQUENCY SIGNALS AT THE OUTPUT OF EACH OF SAID HETERODYNE MEANS HAVING THE SAME FREQUENCY, A PHASE CONTROL MEANS RESPONSIVE TO SAID INTERMEDIATE FREQUENCY SIGNALS COUPLED TO THE OUTPUT OF EACH OF SAID HTERODYNE MEANS AND SAID SIGNAL GENERATING MEANS TO FREQUENCY CONTROL AT
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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) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |