Patents for G01S 7 - Details of systems according to groups , , (41,338)
07/1978
07/18/1978US4101865 Sonic echo-sounder for the measurement of levels of substances
07/18/1978US4101199 Radiation beam splitter
07/18/1978CA1035031A1 Underwater object identifying sonar
07/11/1978US4100544 Beacon system employing ramped gain receiver
07/11/1978US4100481 Hydrocarbon exploration with display of re-radiated and reflected microwave energy
07/11/1978US4099419 Ultrasonic tomography apparatus
07/11/1978US4099416 Resolution real-time ultrasonic imaging apparatus
07/04/1978US4099182 Signal receiver
07/04/1978US4099179 Method and system of electronic image storage and display
07/04/1978US4099137 High speed phase lock control for frequency switching
07/04/1978US4099088 Display system with rapid color switching
07/04/1978US4099075 Signal detection apparatus using an adaptive threshold
07/04/1978US4098130 Energy reflection flaw detection system
06/1978
06/27/1978US4097865 Electronic countermeasure sequence timer
06/27/1978US4097863 Marine radar system with independent switched power supplies
06/27/1978US4097848 Readout unit for data stored in a random-access memory and presented on a raster scan display in accordance with a given line pattern
06/27/1978US4097836 Depth sound indicator
06/27/1978US4097835 Dual transducer arrangement for ultrasonic imaging system
06/20/1978US4096484 Graphic recording system
06/20/1978US4096480 Air target fuze time-gated decision circuit
06/20/1978US4096445 Electromechanical vibration filter for radar master oscillators
06/13/1978US4095224 Digital phase correction for coherent-on-receive pulsed radar system
06/13/1978US4095223 Four-dimensional isometric radar target image display
06/13/1978US4095222 Post-detection stc in a medium prf pulse doppler radar
06/06/1978US4093948 Target detection in a medium pulse repetition frequency pulse doppler radar
06/06/1978US4093384 Narrow angle, narrow bandwidth optical receiver system
06/06/1978US4092867 Ultrasonic scanning apparatus
05/1978
05/30/1978US4092645 Radar jammer homing circuit
05/30/1978US4092627 Calibration circuit for expendable sonobuoys
05/23/1978US4091388 Boresight error compensation in boresighting antenna-radome system
05/16/1978US4090196 Inverse gain modulator
05/16/1978US4090195 Anti-burglar mini-radar
05/16/1978US4090150 High dynamic phase-accurate alternating voltage amplifier operating as a logarithmic amplifier for maintaining amplitude information
05/16/1978US4090066 Polarization reference imaging system
05/09/1978US4089002 CFAR threshold adaptive target coordinate extractor
05/09/1978US4089001 Radar MTI system using a noncoherent transmitter
05/09/1978US4088996 Radar signal processor
05/09/1978US4088978 Synthetic aperture side-looking sonar system
05/09/1978US4088970 Phase shifter and polarization switch
04/1978
04/25/1978US4086597 Continuous line scanning technique and means for beam port antennas
04/25/1978US4086592 Digital sidelobe canceller
04/25/1978US4086579 Video digital display device with analog input
04/25/1978US4085524 Simulated digital radar system with earth curvature and atmospheric effects
04/11/1978US4084160 Arrangement for correcting deviations from the true bearing caused by reflecting surfaces in target tracking radar installations
04/11/1978US4084148 Object recognition system
04/11/1978US4083238 System for testing proximity fuzes
04/04/1978US4083014 Frequency lock loop
03/1978
03/28/1978US4081802 Radar and navigation chart overlay video display system
03/28/1978US4081626 Electrostatic transducer having narrowed directional characteristic
03/21/1978US4080599 Memory addressing apparatus and method
03/21/1978US4080587 Echo sounder for detecting schools of fish
03/14/1978US4079378 Coherent pulse radar system with time-shared frequency source
03/14/1978US4079376 Target detection system in a medium PRF pulse doppler search/track radar receiver
03/14/1978US4079352 Echo sounding technique
03/14/1978US4078435 Simultaneous display of compound and simple ultrasound scans
03/07/1978US4077718 Receiver for optical radar
02/1978
02/28/1978US4077038 Digital radar control system and method
02/28/1978US4077037 Variable range marker
02/21/1978US4075706 Surface wave devices for processing signals
02/21/1978US4075703 Recursive filter mean-level detector
02/21/1978US4075635 Nonuniformly optimally spaced array with specified zeros in the radiation pattern
02/21/1978US4075633 Space adaptive coherent sidelobe canceller
02/21/1978US4075631 System for identifying objects equipped with an automatic transponder
02/21/1978US4075630 Signal processor
02/21/1978US4075598 Ultrasonic wave transmitting and receiving apparatus
02/21/1978US4075573 Incremental agc signal generator with controllable increments
02/21/1978US4075571 Externally biased video detector circuit for limiting clutter and noise in a detected radar signal
02/14/1978US4074265 Microwave power combiner
02/14/1978US4074264 Adaptive threshold clutter processor
02/14/1978US4074223 Peak detector for resolution enhancement of ultrasonic visualization systems
02/07/1978US4072949 Range gate walk-off of compressive radar
01/1978
01/31/1978US4071907 Radar signal processor utilizing a multi-channel optical correlator
01/31/1978US4071895 Navigational display system
01/31/1978US4071843 Video color display system
01/31/1978US4071821 Quadrature correlation phase determining apparatus
01/31/1978US4070905 Ultrasonic beam scanning
01/24/1978US4070675 Power rejection apparatus using a null-constrained subarray for MTI radar applications
01/24/1978US4070642 Ultrasonic wave transmitting and receiving apparatus
01/24/1978US4070573 Wide angle laser seeker
01/17/1978US4069481 Pulse radar apparatus
01/17/1978US4069468 Doppler spectral measurement
01/17/1978US4068952 Range testing system having simulated optical targets
01/17/1978US4068951 Distance measuring apparatus
01/10/1978US4068234 Frequency scanned illumination imaging array
01/10/1978US4068233 Radar system having interference rejection
01/10/1978US4068231 Automatic clutter-mapper
01/03/1978US4067013 Automatic thresholding and reference circuit
01/03/1978US4067007 Adaptive compass drive system
01/03/1978US4066878 Time-domain filter for recursive type signals
12/1977
12/27/1977US4065770 Digital scan converters
12/27/1977US4065769 Method for checking transmitter-receiver reversing switches in pulse-doppler radar devices
12/27/1977US4064742 Ultrasonic inspection device
12/20/1977US4064511 Clutter subtraction system
12/20/1977US4064478 Flasher display type fish finder
12/13/1977US4063241 Radar reflector
12/13/1977US4063239 Range or doppler gate deception rejection system
12/13/1977US4063214 Lens transducer for use in marine sonar doppler apparatus
12/13/1977US4063212 Side scan sonar system
12/13/1977US4063200 Hybrid multiplexed filter
12/13/1977US4063182 Sample-and-hold circuit for analog voltages