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US3110028A
Expired / Lapsed
US
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Flag control circuit
Assignee: AIRCRAFT RADIO CORP
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Filing: 1960-02-10
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Granted: 1963-11-05
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Expires: 1980-02-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Atherton Noyes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:35
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
IN A RADIO NAVIGATION RECEIVER HAVING TWO SIGNAL CHANNELS AND MEANS FOR COMPARING THE SIGNALS IN THE TWO CHANNELS FOR OPERATING A DIRECTION INDICATOR, AN ALARM CIRCUIT COMPRISING DISABLING MEANS IN THE CIRCUIT OF EACH CHANNEL FOR DECEASING THE SENSIVITY OF THE RESPECTIVE CHANNELS, AND CROSS-CONNECTIONS BETWEEN THE CHANNELS AND SAID DISABLING MEANS RESPONSIVE TO DECREASE IN SIGNAL IN EITHER OF THE CHANNELS FOR ACTUATING THE DISABLING MEANS IN THE OTHER CHANNEL TO REDUCE THE SENSITIVITY OF SAID OTHER CHANNEL, AND INDICATOR MEANS OPERATED BY A DECREASE IN SIGNAL STRENGTH IN SAID CHANNELS.
Claim 2
Dependent Claim
93 words
IN A RADIO NAVIGATION RECEIVER HAVING TWO SIGNAL CHANNELS AND MEANS FOR COMPARING THE SIGNALS IN THE TWO CHANNELS FOR OPERATING A DIRECTION INDICATOR, AN ALARM CIRCUIT COMPRISING DISABLING MEANS IN THE CIRCUIT OF EACH CHANNEL FOR DECEASING THE SENSIVITY OF THE RESPECTIVE CHANNELS, AND CROSS-CONNECTIONS BETWEEN THE CHANNELS AND SAID DISABLING MEANS RESPONSIVE TO DECREASE IN SIGNAL IN EITHER OF THE CHANNELS FOR ACTUATING THE DISABLING MEANS IN THE OTHER CHANNEL TO REDUCE THE SENSITIVITY OF SAID OTHER CHANNEL, AND INDICATOR MEANS OPERATED BY A DECREASE IN SIGNAL STRENGTH IN SAID CHANNELS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |