Patent US3302115A successfully refreshed from Google Patents.
US3302115A
Expired / Lapsed
US
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Control signal generator for diversity reception
Assignee: NEC Corp
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Filing: 1963-08-27
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Granted: 1967-01-31
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Expires: 1983-08-27
Abstract
No abstract record available.
Inventors
- 👤 Shiki Haruo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:34
CPC Classifications
H; H04; H04B; H04B7/00; H04B7/02; H04B7/04; H04B7/08; H04B7/0837; H04B7/0802
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A CONTROL SIGNAL GENERATOR FOR GENERATING A PLURALITY OF CONTROL SIGNALS IN RESPONSE TO THE SIGNAL-TO-NOISE RATIOS OF A PLURALITY OF CONTROL SIGNALS, FOR CONTROLLING THE COMBINING PERATION OF A DIVERSITY RECEIVER COMBINING MEANS, COMPRISING (A) AN INPUT SWITCHING DEVICE FOR SUCCESSIVELY APPLYING SIGNALS FROM EACH OF A GIVEN PLURALITY OF INPUT PATHS TO A COMMON INPUT OF SAID GENERATOR, (B) PROCESSING MEANS IN SAID GENERATOR COUPLED TO SAID COMMON INPUT FOR PROCESSING SAID APPLIED SIGNALS TO PROVIDE SIGNALS CORRESPONDING TO THE SIGNAL-TO-NOISE RATIOS OF SAID APPLIED SIGNALS, (C) A COMMON OUTPUT FOR SAID PROCESSING MEANS, (D) AN OUTPUT SWITCHING DEVICE HAVING ITS INPUT COUPLED TO SAID COMMON OUTPUT AND HAVING SAID GIVEN PLURALITY OF OUTPUT TERMINALS, (E) A CONTROL WAVE GENERATOR FOR CONTROLLING SAID SWITCHING MEANS IN SYNCHRONISM, AND (F) LOW-PASS FILTERS CONNECTED TO EACH OF SAID PLURALITY OF OUTPUT TERMINALS TO PROVIDE SAID CONTROL SIGNALS.
Claim 2
Dependent Claim
147 words
A CONTROL SIGNAL GENERATOR FOR GENERATING A PLURALITY OF CONTROL SIGNALS IN RESPONSE TO THE SIGNAL-TO-NOISE RATIOS OF A PLURALITY OF CONTROL SIGNALS, FOR CONTROLLING THE COMBINING PERATION OF A DIVERSITY RECEIVER COMBINING MEANS, COMPRISING (A) AN INPUT SWITCHING DEVICE FOR SUCCESSIVELY APPLYING SIGNALS FROM EACH OF A GIVEN PLURALITY OF INPUT PATHS TO A COMMON INPUT OF SAID GENERATOR, (B) PROCESSING MEANS IN SAID GENERATOR COUPLED TO SAID COMMON INPUT FOR PROCESSING SAID APPLIED SIGNALS TO PROVIDE SIGNALS CORRESPONDING TO THE SIGNAL-TO-NOISE RATIOS OF SAID APPLIED SIGNALS, (C) A COMMON OUTPUT FOR SAID PROCESSING MEANS, (D) AN OUTPUT SWITCHING DEVICE HAVING ITS INPUT COUPLED TO SAID COMMON OUTPUT AND HAVING SAID GIVEN PLURALITY OF OUTPUT TERMINALS, (E) A CONTROL WAVE GENERATOR FOR CONTROLLING SAID SWITCHING MEANS IN SYNCHRONISM, AND (F) LOW-PASS FILTERS CONNECTED TO EACH OF SAID PLURALITY OF OUTPUT TERMINALS TO PROVIDE SAID CONTROL SIGNALS.
References Cited (Backward Citations)
US3031569A
Cited
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 |