Patents for G01S 13 - Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified (37,701) |
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03/13/1979 | US4144534 Battlefield IFF system |
03/06/1979 | US4143376 Method for sampling tacan signal envelope |
03/06/1979 | US4143373 Adaptive radar systems and methods therefor |
03/06/1979 | US4143372 Side-lobe blanking arrangement for a radar system |
03/06/1979 | US4143371 Arrangement for discriminating clutter signals from target signals in a radar system |
03/06/1979 | US4143370 Vehicle collision anticipating method and device |
02/27/1979 | US4142189 Radar system |
02/27/1979 | US4142187 Dual frequency alarm device using Doppler effect for sensing a moving object |
02/13/1979 | US4139851 Two level threshold circuit |
02/13/1979 | US4139850 Arrangement for detecting the presence of radar echos in a pulsed radar system |
02/13/1979 | US4139848 Aircraft proximity warning indicator |
02/13/1979 | US4139847 Automatic ground-clutter rejection in weather pulse radar system |
02/06/1979 | US4138677 Acceleration filter for slowdown discrimination |
02/06/1979 | US4138676 Method and device for increasing the security against transmission errors in an information transmission system |
01/30/1979 | US4137533 Angle/vector processed, phase-accumulated single vector rotation, variable order adaptive MTI processor |
01/30/1979 | US4137532 VIP doppler filter bank signal processor for pulse doppler radar |
01/30/1979 | CA1047633A2 Adaptive proximity indicating system |
01/30/1979 | CA1047632A2 Adaptive proximity indicating system |
01/30/1979 | CA1047631A2 Passive aircraft proximity indicating system which adapts mode of operation to side lobe suppression signal strength |
01/30/1979 | CA1047630A2 Passive aircraft proximity indicating system responsive to altitude |
01/30/1979 | CA1047629A2 Adaptive proximity indicating system |
01/23/1979 | US4136394 Golf yardage indicator system |
01/23/1979 | US4136343 Multiple source tracking system |
01/23/1979 | US4136341 Radar system employing two kinds of pulses |
01/23/1979 | US4136340 Sequential probability ratio test for friend identification system |
01/16/1979 | US4135188 Method and apparatus for orally announcing vehicle speed |
01/16/1979 | US4135187 Transponder decoder/encoder circuitry |
01/16/1979 | US4135143 Aircraft altitude annunciator |
01/09/1979 | US4134113 Monopulse motion compensation for a synthetic aperture radar |
01/02/1979 | US4132991 Method and apparatus utilizing time-expanded pulse sequences for distance measurement in a radar |
01/02/1979 | US4132990 Amti target/clutter discriminator |
01/02/1979 | US4132989 Azimuth correlator for real-time synthetic aperture radar image processing |
01/02/1979 | US4132988 Radar intrusion detection system |
12/26/1978 | US4131889 Miniature doppler radar systems and microwave receivers suitable therefor |
12/19/1978 | US4130821 Frequency-agile fire control radar system |
12/19/1978 | US4130811 Modulation system |
12/12/1978 | US4129869 Automatical signalling apparatus |
12/12/1978 | US4129868 Radar beacon apparatus |
12/12/1978 | US4129867 Multi-pulse modulator for radar transponder |
12/12/1978 | US4129866 Method of scanning a radar antenna to effect improved radar operation |
12/12/1978 | US4129856 Filter system and method for intrusion alarm |
12/12/1978 | CA1044353A1 Intrusion detection system |
12/05/1978 | US4128839 Means for accumulating aircraft position data for a beacon based collision avoidance system and other purposes |
12/05/1978 | US4128837 Prediction computation for weapon control |
12/05/1978 | US4128835 Method and apparatus for measuring distance between an aircraft and a ground station |
12/05/1978 | US4128834 Range mark generation |
11/28/1978 | CA1043451A1 Weather radar transistorized pulse modulator |
11/21/1978 | US4126861 Pulse doppler ranging system (U) |
11/21/1978 | US4126860 Wire detector |
11/21/1978 | US4126859 Ground station for a round-trip-path distance-measuring system |
11/21/1978 | CA1043005A1 Aircraft ground proximity warning instrument |
11/14/1978 | US4125835 Range or time-delay determining subsystem for use in certain radar-like systems |
11/14/1978 | US4125804 Mobile radar method for sensing inclusions in subsoil |
11/07/1978 | US4124850 Video processor for distance measuring equipment |
11/07/1978 | US4124849 Positioning system |
10/31/1978 | US4123755 Radar interference reduction |
10/31/1978 | US4123754 Electronic detection and identification system |
10/31/1978 | US4123719 Chirp phase distortion detector in a wideband linearization feedback control loop |
10/31/1978 | US4123142 Ambiguity plane optical processor incorporating magneto-optic, bubble domain histograph |
10/31/1978 | CA1041639A1 Distance measuring using a chirped fm/pulse compression interrogator responder system |
10/31/1978 | CA1041638A1 Vehicle identification system |
10/31/1978 | CA1041637A1 Road vehicle radar system |
10/31/1978 | CA1041636A1 Time interval phase detection in distance measuring apparatus |
10/24/1978 | US4122449 Device for measuring a vehicle speed by utilizing the doppler effect |
10/24/1978 | CA1041199A1 Homodyne communication system |
10/17/1978 | US4121287 Alarm filtering in a ground proximity warning system |
10/17/1978 | US4121213 Radar altimeter simulator |
10/17/1978 | US4121212 Double sideband pulse radar |
10/17/1978 | US4121211 Method and apparatus for determining a signal of uniform period |
10/17/1978 | US4121210 Two dimensional MIPS |
10/17/1978 | US4121209 Two-axis motion compensation for AMTI |
10/17/1978 | US4121208 Device for increasing the safety with respect to transmission faults in an information transmission system |
10/17/1978 | US4121102 Object identification system |
10/17/1978 | CA1040730A1 Automatic t0 control for use in airborne dme system |
10/10/1978 | US4119962 Multiple memory adaptive MTI |
10/10/1978 | CA1040292A2 Electronic identification system |
10/03/1978 | US4118703 Pulse radar apparatus |
10/03/1978 | US4118702 Doppler distance measuring system |
10/03/1978 | US4118701 FM/CW radar system |
10/03/1978 | US4117563 Thread chaser tool for contiguous straight and tapered thread runs |
09/26/1978 | US4117538 Radar system with specialized weighting |
09/26/1978 | US4117487 Electronically scanned echo pulse receiver |
09/26/1978 | US4117483 Noise-immune signal processing circuit for pulsed radars |
09/26/1978 | US4117482 Method and apparatus for locating position in a waterway |
09/26/1978 | US4117481 Sidelooking radar and system for identifying objects |
09/26/1978 | US4117464 Microwave motion-detection apparatus employing a gunn oscillator in a self-detecting mode |
09/19/1978 | US4115774 CW radar AM-noise video-cancellation system |
09/19/1978 | US4115772 Pseudo-noise radar system |
09/19/1978 | US4115771 Passive ATCRBS using signals of remote SSR |
09/12/1978 | US4114153 Echo location systems |
09/12/1978 | US4114152 Pulse radar apparatus with integration device |
09/12/1978 | US4114151 Passive transponder apparatus for use in an interrogator-responder system |
09/12/1978 | US4114135 Acoustic device |
09/12/1978 | CA1038480A1 Secure encoder for trilateralization locator |
09/05/1978 | US4112496 Capacitor matrix correlator for use in the correlation of periodic signals |
09/05/1978 | US4111552 Apparatus and method for measuring distance from and speed components of an object traveling vertical to a reference line |
09/05/1978 | CA1038066A1 Alarm filtering in a ground proximity warning system |
09/05/1978 | CA1038039A1 Apparatus for locating non-linear junctions between metallic materials and/or semiconductive materials |
08/29/1978 | US4110756 Capture protection for pulse signal tracking system |
08/29/1978 | US4110755 Pulse radar device with phase- or frequency-modulation |