Patent | Date |
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Phased array antennas with binary phase shifters Grant 4,649,393 - Rittenbach March 10, 1 | 1987-03-10 |
Energy wave electronic intruder detection system Grant 4,458,240 - Rittenbach , et al. July 3, 1 | 1984-07-03 |
Signal processor for plural frequency detection and tracking over predetermined range of frequencies Grant 4,453,137 - Rittenbach June 5, 1 | 1984-06-05 |
Radar target angle measuring system Grant 4,430,655 - Rittenbach February 7, 1 | 1984-02-07 |
Frequency discriminator Grant 4,426,622 - Rittenbach January 17, 1 | 1984-01-17 |
Constant current electronic intruder detection system Grant 4,401,980 - Rittenbach , et al. August 30, 1 | 1983-08-30 |
Doppler frequency analysis of radar signals Grant 4,400,700 - Rittenbach August 23, 1 | 1983-08-23 |
Harmonic generator Grant 4,398,153 - Rittenbach August 9, 1 | 1983-08-09 |
False count correction in feedback shift registers and pulse generators using feedback shift registers Grant 4,331,925 - Rittenbach May 25, 1 | 1982-05-25 |
Electronic intruder detection system Grant 4,326,272 - Rittenbach , et al. April 20, 1 | 1982-04-20 |
Signal processing system Grant 4,292,635 - Rittenbach September 29, 1 | 1981-09-29 |
Range-gated pulse doppler radar system Grant 4,219,812 - Rittenbach August 26, 1 | 1980-08-26 |
Dual frequency Doppler radar Grant 4,217,585 - Fishbein , et al. August 12, 1 | 1980-08-12 |
Electronic time compressor/expander utilizing magnetic storage Grant 3,997,913 - Rittenbach December 14, 1 | 1976-12-14 |
Moving target indicating (MTI) radar systems employing vehicle discriminator apparatus Grant 3,983,558 - Rittenbach September 28, 1 | 1976-09-28 |
Electronic Time Compressor Or Expander Grant 3,860,760 - Rittenbach January 14, 1 | 1975-01-14 |
Operating Proximate Radars With Interlaced Spectral Lines Grant 3,731,310 - Rittenbach May 1, 1 | 1973-05-01 |
Binary Information Receiver For Detecting A Phase Modulated Carrier Signal Grant 3,646,446 - Rittenbach February 29, 1 | 1972-02-29 |
Doppler Radar With Target Velocity Direction And Range Indication, Utilizing A Variable-frequency Generator Grant 3,634,860 - Rittenbach January 11, 1 | 1972-01-11 |
Phase-modulated Binary Data Transmission System Employing A Variable Frequency Oscillator Grant 3,611,147 - Rittenbach October 5, 1 | 1971-10-05 |
Doppler Radar With Target Velocity Direction And Range Indicator Utilizing Variable Delay Line Grant 3,611,377 - Rittenbach October 5, 1 | 1971-10-05 |
Continuous Wave Radar With Means For Indicating Moving Target Direction Grant 3,568,188 - Fishbein , et al. March 2, 1 | 1971-03-02 |