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Patent US3246326A successfully refreshed from Google Patents.
US3246326A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-borne navigation system
Assignee: Individual
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Filing: 1960-03-29
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Granted: 1966-04-12
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Expires: 1980-03-29
Abstract
No abstract record available.
Inventors
- 👤 Martin E Mehron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:34
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/06; G01S13/42; G01S13/44; G01S13/4472; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
IN AN AIR-BORNE GUIDANCE SYSTEM UTILIZING OBJECTS PRODUCING STRONG RADAR RETURN SIGNALS AS PASSIVE BEACONS AND HAVING A PRESET PROGRAMMER MONITORING OPERATION OF THE SYSTEM FOR CONTROLLING THE FLOW OF DATA SPECIFYING THE LOCATION OF SAID OBJECTS AND A DESIRED FLIGHT COURSE TO A CONTROL COMPUTER WHICH CONTROLS THE OPERATION OF A FLIGHT CONTROLLER, AN ERROR DETECTING SYSTEM COMPRISING AN ANTENNA, A RADAR PULSER CONNECTED TO SAID ANTENNA, SAID ANTENNA PROVIDING OVERLAPPING SEARCH LOBES, POSITIONING MEANS CONTROLLED BY SAID COMPUTER FOR AIMING SAID ANTENNA IN A PRESELECTED DIRECTION, A RECEIVER FOR EACH OF SAID LOBES, A CLIPPER IN SERIES WITH EACH OF SAID RECEIVERS, A SUM CHANNEL CONNECTED TO RECEIVE CLIPPED OUTPUTS OF SAID RECEIVERS, A RANGE TRACKER, CONNECTIONS FOR APPLYING THE OUTPUT OF SAID SUM CHANNEL TO SAID RANGE TRACKER, SAID RANGE TRACKER SUPPLYING A SLANT RANGE SIGNAL TO SAID COMPUTER, A DIFFERENCE CHANNEL CONTROLLED BY THE CLIPPED OUTPUTS OF SAID RECEIVERS, CIRCUIT MEANS APPLYING THE OUTPUT OF SAID DIFFERENCE CHANNEL TO SAID POSITIONING MEANS TO CORRECT THE AIM OF SAID ANTENNA AT SAID PASSIVE BEACON.
Claim 2
Dependent Claim
177 words
IN AN AIR-BORNE GUIDANCE SYSTEM UTILIZING OBJECTS PRODUCING STRONG RADAR RETURN SIGNALS AS PASSIVE BEACONS AND HAVING A PRESET PROGRAMMER MONITORING OPERATION OF THE SYSTEM FOR CONTROLLING THE FLOW OF DATA SPECIFYING THE LOCATION OF SAID OBJECTS AND A DESIRED FLIGHT COURSE TO A CONTROL COMPUTER WHICH CONTROLS THE OPERATION OF A FLIGHT CONTROLLER, AN ERROR DETECTING SYSTEM COMPRISING AN ANTENNA, A RADAR PULSER CONNECTED TO SAID ANTENNA, SAID ANTENNA PROVIDING OVERLAPPING SEARCH LOBES, POSITIONING MEANS CONTROLLED BY SAID COMPUTER FOR AIMING SAID ANTENNA IN A PRESELECTED DIRECTION, A RECEIVER FOR EACH OF SAID LOBES, A CLIPPER IN SERIES WITH EACH OF SAID RECEIVERS, A SUM CHANNEL CONNECTED TO RECEIVE CLIPPED OUTPUTS OF SAID RECEIVERS, A RANGE TRACKER, CONNECTIONS FOR APPLYING THE OUTPUT OF SAID SUM CHANNEL TO SAID RANGE TRACKER, SAID RANGE TRACKER SUPPLYING A SLANT RANGE SIGNAL TO SAID COMPUTER, A DIFFERENCE CHANNEL CONTROLLED BY THE CLIPPED OUTPUTS OF SAID RECEIVERS, CIRCUIT MEANS APPLYING THE OUTPUT OF SAID DIFFERENCE CHANNEL TO SAID POSITIONING MEANS TO CORRECT THE AIM OF SAID ANTENNA AT SAID PASSIVE BEACON.
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) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |