Patents
Sitemap › G01 - Measuring; Testing › G01S - Radio direction-finding; Radio navigation; Determining distance or velocity by use of radio waves; Locating or presence-detecting by use of the reflection or reradiation of radio waves; Analogous arrangements using other waves › G01S 7 - Details of systems according to groups , ,
Patents for G01S 7 - Details of systems according to groups , , (41,338)
12/1977
12/06/1977US4062012 Digital radar signal processor
12/06/1977US4060910 Orientation system
11/1977
11/29/1977US4060848 Electronic calculator system having audio messages for operator interaction
11/29/1977US4060814 Recorder with edge-guided belt
11/29/1977US4060807 Low angle radar
11/29/1977US4060792 Hard clipped beam former
11/29/1977US4060791 Imaging system
11/22/1977US4059785 CRT display with truncated Rho-Theta presentation
11/22/1977US4059010 Ultrasonic inspection and diagnosis system
11/15/1977US4058810 Stabilized digital PPL radar system
11/15/1977US4058003 Ultrasonic electronic lens with reduced delay range
11/15/1977US4058001 Ultrasound imaging system with improved scan conversion
11/08/1977US4057802 Sidelobe cancellation system
11/08/1977US4057779 Ultrasonic detection system
11/08/1977US4057778 Built-in test equipment for sonobuoy
11/08/1977US4057049 Apparatus for and methods of pulse-echo examination
11/08/1977US4056971 Distance amplitude compensation system
10/1977
10/25/1977US4055758 Surface wave devices for processing signals
10/18/1977US4054879 Dual-frequency, remote ocean-wave spectrometer
10/18/1977US4054878 Ranging system including apparatus for forming directional characteristics at the receiving end and for correlating
10/18/1977US4054875 Microwave circuit for operating on microwave radiations
10/18/1977US4054862 Ranging system with resolution of correlator ambiguities
10/11/1977US4053946 Modular programmable digital scan converter
10/11/1977US4053891 Radar object detector using non-linearities
10/11/1977US4053890 Internal calibration system
10/11/1977US4053887 Doppler radar system
10/11/1977US4053886 Stepped dual-frequency, ocean-wave spectrometer
10/11/1977US4053884 High prf unambiguous range radar
10/11/1977US4053883 Fixed dual beam range scanning and tracking radar with digital display
10/11/1977US4053882 Polarization radar method and system
10/11/1977US4053881 Mobile radar apparatus
10/11/1977US4053840 Band compression device
10/11/1977US4052889 System for measurement of subsurface fatigue crack size
10/04/1977US4052693 Depth sounder
09/1977
09/27/1977US4051473 Input tracking threshold detector
09/27/1977US4051390 Time-shared variable time delay generator with common timing control and fast recovery
09/27/1977US4051365 Photoelectric detector having an indicator for indicating the operating condition thereof
09/20/1977US4050070 Programmable microwave modulator
09/20/1977US4050057 Data sample recording system
09/20/1977US4050055 Attenuator circuit ultrasonic testing
09/20/1977US4049953 Complex pulse repetition frequency generator
09/13/1977US4048585 Tuning type laser oscillator apparatus and laser radar system and laser communication system using the same
09/06/1977US4047179 IFF antenna arrangement
09/06/1977US4047176 Method for the comparative vector measurement of signal pulses arriving nearly simultaneously at several radio receiving stations
09/06/1977US4047172 Signal processor for pulse-echo system providing interference level compensation and feed-forward normalization
09/06/1977US4047170 Playback system
09/06/1977US4047147 Dual beam sonar display system
09/06/1977US4047117 Multi-level laser illuminator
08/1977
08/30/1977US4045798 Band-compression device
08/30/1977US4045766 Ultrasonic detection system
08/30/1977US4045116 Wide angle optical imaging system
08/23/1977US4044359 Multiple intermediate frequency side-lobe canceller
08/23/1977US4044357 Cw radar including a novel receiver protector of general utility
08/23/1977US4044352 Signal processor
08/23/1977US4044273 Ultrasonic transducer
08/23/1977US4044247 Polarization reference imaging technique
08/23/1977US4043181 Ultrasonic pulse-echo apparatus
08/16/1977US4042934 Doppler radar module employing coupled rectangular waveguides
08/16/1977US4042928 Technique of characterizing the nature of a radiation path transfer function by a few constants
08/16/1977US4042927 Ability of a monopulse radar to resolve and track jammers passively
08/16/1977US4042922 Multi-mode radar system
08/16/1977US4042822 Laser radar device utilizing heterodyne detection
08/09/1977US4041490 Measurement system calibrated to be insensitive to temperature variation induced changes in internal phase shifts present in the system
08/09/1977US4041489 Sea clutter reduction technique
08/09/1977US4040740 Opto-electronic sensor
08/02/1977US4040056 Method for aberration-free optical recording of highly resolved sonar or radar maps
08/02/1977US4040055 Digital compensator for transmitter instability
08/02/1977US4040054 Tracking of radar signals
08/02/1977US4040052 Digital video signal processing circuit
08/02/1977US4039998 Ultrasonic transmitter or receiver
08/02/1977US4039815 Electro-optical correlator
07/1977
07/26/1977US4038656 Helicopter discrimination apparatus for the murine radar
07/26/1977US4038654 Indication device in plan position indication system
07/26/1977US4038629 Propagation delay meter
07/26/1977US4038540 Quadrature correlation pulse detector
07/26/1977US4038539 Adaptive pulse processing means and method
07/26/1977US4038530 Hybrid computer for displaying sound rays of a sonar system
07/19/1977US4037227 Controlled deception jamming device
07/19/1977US4037159 Chirp communication system
07/19/1977US4036557 Laser doppler velocimeter
07/12/1977US4035797 Polarized radar system for providing target identification and discrimination
07/12/1977US4034483 Sonar beamforming apparatus simulation
07/05/1977US4034288 System for measuring the frequency of an electrical signal
07/05/1977US4034276 Digital signal processor for servo velocity control
07/05/1977US4033177 Dual trace display for ultrasonic testing apparatus
06/1977
06/28/1977US4031743 Ultrasonic echogram display
06/21/1977US4031544 Television system for use in underwater exploration
06/21/1977US4031535 Multiple frequency navigation radar system
06/21/1977US4031503 Anti-corrosion ultrasonic transducer
06/21/1977US4031364 Multiple moment video detector
06/21/1977US4030344 Apparatus for recording an ultrasonic sectional view
06/14/1977US4030096 Automatic target detector
06/07/1977US4028708 Antenna feed for dual beam conical scan tracking radar
06/07/1977US4028697 Adaptive signal processor for clutter elimination
05/1977
05/31/1977US4026144 Apparatus for the generation of polychromatic ultrasonographs
05/24/1977US4025920 Identification of radar systems
05/24/1977US4025894 Method and apparatus for improving the directional characteristic of an echo sounder receiving base
05/17/1977US4024541 Radar adaptive signal processor system
05/17/1977US4024539 Method and apparatus for flight path control
05/17/1977US4024493 Apparatus for motor vehicle position indication
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