US3237195A
Expired / Lapsed
US
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All weather approach system
Assignee: Bendix Corp
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Filing: 1962-10-29
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Granted: 1966-02-22
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Expires: 1982-10-29
Abstract
No abstract record available.
Inventors
- 👤 Schiffman Julius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:49
CPC Classifications
H; H01; H01Q; H01Q11/00; H01Q11/02; H01Q11/10; G; G01; G01S; G01S1/00; G01S1/02; G01S13/00; G01S13/88; G01S13/93; G01S13/933; G01S13/935
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
AN ALL WEATHER APPROACH SYSTEM TO ENABLE SAFE APPROACH BETWEEN TWO OBJECTS WITH MEANS FOR TRANSMITTING PULSES BEING ON ONE OBJECT AND MONOPULSE RECEIVING MEANS BEING ON THE OTHER OBJECT COMPRISING MEANS FOR TRANSMITTING PULSES EACH OF A FREQUENCY CAPABLE OF PENETRATING INCLEMENT WEATHER CONDITIONS, MEANS FOR TRANSMITTING SAID PULSES FROM A PLURALITY OF POSITIONS ON ONE OBJECT SPACED AT A DISTANCE FROM EACH OTHER TO ENABLE VISUAL PERCEPTION OF THE RELATIVE CHANGE BETWEEN SAID POSITIONS AS SAID OBJECTS APPROACH ONE ANOTHER, MONOPULSE RECEIVING MEANS FOR ESTABLISHING THE DIRECTION OF EACH PULSE IN EACH OF AT LEAST TWO PLANES, SAID RECEIVING MEANS ON THE OTHER OBJECT COMBINING SAID DIRECTIONS OF SAID PLANES TO ESTABLISH A VISIBLE REPRESENTATION FOR EACH OF SAID TRANSMITTING POSITIONS, SAID PULSE TRANSMITTING MEANS TRANSMITTING PULSES FROM EACH OF SAID POSITIONS SO THAT THE NUMBER OF COINCIDENT PULSES RECEIVED BY SAID RECEIVING MEANS IS LESS THAN THAT NUMBER WHICH WOULD CAUSE AMBIGUOUS DISPLAY.
Claim 2
Dependent Claim
156 words
AN ALL WEATHER APPROACH SYSTEM TO ENABLE SAFE APPROACH BETWEEN TWO OBJECTS WITH MEANS FOR TRANSMITTING PULSES BEING ON ONE OBJECT AND MONOPULSE RECEIVING MEANS BEING ON THE OTHER OBJECT COMPRISING MEANS FOR TRANSMITTING PULSES EACH OF A FREQUENCY CAPABLE OF PENETRATING INCLEMENT WEATHER CONDITIONS, MEANS FOR TRANSMITTING SAID PULSES FROM A PLURALITY OF POSITIONS ON ONE OBJECT SPACED AT A DISTANCE FROM EACH OTHER TO ENABLE VISUAL PERCEPTION OF THE RELATIVE CHANGE BETWEEN SAID POSITIONS AS SAID OBJECTS APPROACH ONE ANOTHER, MONOPULSE RECEIVING MEANS FOR ESTABLISHING THE DIRECTION OF EACH PULSE IN EACH OF AT LEAST TWO PLANES, SAID RECEIVING MEANS ON THE OTHER OBJECT COMBINING SAID DIRECTIONS OF SAID PLANES TO ESTABLISH A VISIBLE REPRESENTATION FOR EACH OF SAID TRANSMITTING POSITIONS, SAID PULSE TRANSMITTING MEANS TRANSMITTING PULSES FROM EACH OF SAID POSITIONS SO THAT THE NUMBER OF COINCIDENT PULSES RECEIVED BY SAID RECEIVING MEANS IS LESS THAN THAT NUMBER WHICH WOULD CAUSE AMBIGUOUS DISPLAY.
References Cited (Backward Citations)
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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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |