Harmonic radar detecting and ranging system for automotive vehicles
Abstract
Abstract 1. A DETECTING AND RANGING SYSTEM FOR USE WITH AN AUTOMOTIVE VEHICLE, COMPRISING A TRANSMITTER, A RECEIVER AN OUTPUT MEANS AND A DIRECTIONAL ANTENNA NETWORK COUPLED TO SAID TRANSMITTER AND SAID RECEIVER; SAID TRANSMITTER COMPRISING MEANS FOR GENRATING ELECTROMAGNETIC ENERGY SIGNAL OF A PREDETERMINED FREQUENCY; SAID RECEIVER COMPRISING MEANS ADAPTED TO DETECT ELECTROMAGNETIC ENERGY SIGNALS WHICH ARE DERIVED FROM AND HARMONICALLY RELATED TO SAID SIGNALS OF SAID PREDETERMINED FREQUENCY; SAID OUTPUT MEANS BEING COUPLED TO SAID RECEIVER AND COOPERATING MEANS SAID RECEIVER FOR PRODUCING AN OUTPUT SIGNAL IN RESPONSE TO SAID DETECTED SIGNALS: AND SAID ANTENNA NETWORK INCLUDING MEANS FOR SELECTIVELY TRANSMITTING SAID SIGNALS OF SAID PREDETERMINED FREQUENCY INTO A GIVEN TRANSMISSION DIRECTION WHILE POLARIZING SAID TRANSMITTED SIGNALS INTO A GIVEN POLARIZATION DIRECTION, SAID ANTENNA NETWORK FURTHER INCLUDING MEANS SELECTIVELY RESPONSIVE ONLY TO ELECTRO- MAGNETIC SIGANLS ORIGINATING FROM SAID GIVEN TRANSMISSION DIRECTION, WHICH SIGNALS HAVE BEEN DERIVED FROM AND ARE HARMONICALLY RELATED TO SAID TRANSMITTED SIGNALS AND WHICH HAVE A POLARIZATION DIRECTION SUBSTANTIALLY ORTHOGONAL TO SAID GIVEN POLARIZATION DIRECTION, FOR APPLYING SAID SELECTIVELY DERIVED SIGNALS TO SAID RECEIVER.
Inventors
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Bibliographic Details
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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) | 1978-01-13 | 1978-07-15 | 1979-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-01-13 | 1982-07-15 | 1983-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-01-13 | 1986-07-15 | 1987-01-14 | $7700.00 | Window Closed / Lapsed |