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)
07/1981
07/29/1981EP0032739A1 A multielement acoustic transducer, a method of manufacturing the same, and use of the same in an acoustic imaging instrument
07/29/1981EP0032513A1 Ultrasonic diagnostic equipment
07/28/1981US4281404 Depth finding apparatus
07/28/1981US4281327 Range corrector circuit for a bistatic passive radar display
07/28/1981US4281326 Automatic collision warning target display system
07/28/1981US4281241 Firing range
07/21/1981US4280223 Radar detector
07/21/1981US4280202 Digital homodyne processing system
07/21/1981US4280128 Adaptive steerable null antenna processor
07/21/1981US4280055 Microwave image converter
07/21/1981CA1105610A1 Radio frequency antenna
07/15/1981EP0032095A1 Acoustic radar antenna matching process and device for carrying it out
07/14/1981US4279019 Method and apparatus for delay analysis of energy transmitted through a medium
07/14/1981US4278962 Automatic alarm system for detecting obstacles behind a backing vehicle
07/14/1981US4277979 Scan-control apparatus for pulse-echo ultrasonic imaging system incorporating oscillated transducer
07/14/1981US4277978 Adaptive input circuit
07/08/1981EP0031510A1 Ultrasonic scanning equipment
07/08/1981EP0031443A1 Apparatus for detecting a moving target and method therefor
07/07/1981US4277763 Non-linear predistortion linearizing circuit for a varactor diode tuned oscillator
07/07/1981US4276779 Dynamically focussed array
06/1981
06/30/1981US4276621 Object confirming apparatus
06/30/1981US4276618 Mapping systems
06/30/1981US4276550 Scan pattern estimator for an electromagnetic sensor
06/30/1981US4276549 FM-CW Radar distance measuring apparatus
06/30/1981US4275595 Process and installation for producing and recording ultrasonic sectional images
06/30/1981EP0024430A4 Vehicular anti-collision system.
06/30/1981CA1104238A1 Monopulse radar apparatus
06/24/1981EP0030750A1 Threshold circuit for radar video signals
06/23/1981US4275460 Real-time audio spectrum analyzer
06/23/1981US4275415 Scan converter
06/23/1981US4275396 Helicopter rotating blade detection system
06/23/1981US4274736 Method and apparatus for electrooptical distance measurement
06/23/1981US4274422 Sector scanner display and recording system for ultrasonic diagnosis
06/17/1981EP0030458A2 Transducer drive and control in ultrasound imaging systems
06/17/1981EP0030369A1 Distance meter
06/16/1981US4274096 Aircraft proximity monitoring system
06/16/1981US4274095 Radar video converter
06/16/1981CA1103345A1 Digital scan converter
06/16/1981CA1103339A1 Display range marker
06/16/1981CA1103338A1 Frequency measuring circuit in a passive radar receiver
06/11/1981WO1981001616A1 A measuring device for measuring the carrier frequency of short duration pulses
06/10/1981EP0030053A1 Aircraft low range radio altimeter simulator
06/09/1981US4272692 Power supply distribution system
06/03/1981EP0029760A1 Filter device and its use in radar display systems
06/02/1981US4271490 Ultrasonic detection system
06/02/1981US4271411 Detector for doppler device
06/02/1981US4270862 Magneto-optic light deflector system
06/02/1981US4270546 Device for ultrasonic examination of biological structures
05/1981
05/26/1981US4270157 Power supply protection circuit
05/26/1981CA1101981A1 Beam forming system
05/19/1981US4268137 Radiation-emissive focussing system with integration of the signals produced by the system's detector arrangement
05/13/1981EP0028325A1 Ultrasonic sector-scanning device
05/06/1981EP0028146A1 Plan position marine radar display including adjustable markers
05/05/1981US4266279 Memory system for a Doppler radar incorporating a fast Fourier transform computer
05/05/1981US4266201 Method and apparatus using first and second parallel channels, one of which includes an inverter, for producing an electrical signal with an improved on/off ratio
05/05/1981US4266169 Electromechanical control device for displacing an object
05/05/1981US4265126 Measurement of true blood velocity by an ultrasound system
05/05/1981US4265122 Nondestructive testing apparatus and method utilizing time-domain ramp signals
05/05/1981US4265121 High resolution ultrasound diagnostic apparatus
04/1981
04/29/1981EP0027618A2 Device for ultrasonic scanning
04/28/1981US4264909 Frequency searching and/or jamming means
04/24/1981EP0020712A4 Radar system with a multiplicity of antenna beams for elevation coverage.
04/21/1981US4263596 Reference station for a distance-measuring system
04/14/1981CA1099382A1 Ultrasound imaging system with improved scan conversion
04/08/1981EP0026480A1 Circuit arrangement for sidelobe cancellation in radar equipments
04/07/1981US4261040 Method and apparatus for the analysis of scanned data
04/07/1981CA1099009A1 Bio-medical ultrasonoscope
04/07/1981CA1099006A1 Pulse compression radar and method of operating such radar
04/07/1981CA1099004A1 Radar altimeter for tropical areas
04/02/1981WO1981000807A1 Signal processing equipment for ultrasonic visualisation
04/01/1981EP0026054A1 Radar corner reflector
03/1981
03/31/1981US4259743 Transmit/receive microwave circuit
03/31/1981US4259732 Transducer assembly for self-calibration
03/31/1981US4259669 Detection system
03/31/1981US4258575 Ultrasonic imaging apparatus operating according to the impulse-echo method
03/25/1981EP0025739A1 Primary and secondary radar aerial
03/24/1981US4258365 Around-the-mast rotary annular antenna feed coupler
03/24/1981US4258363 Phased array radar
03/24/1981US4257270 Ultrasonic imaging apparatus
03/24/1981US4257256 Ultrasonic cross-sectional imaging apparatus
03/18/1981EP0025214A2 Device for puncturing internal body organs, vessels and other body regions
03/17/1981US4256275 Homing system and technique for guiding a missile towards a metal target
03/17/1981CA1097789A1 Apparatus for ultrasonic measurement
03/11/1981EP0024540A1 Ultrasonic imaging apparatus comprising an electronic scan system
03/11/1981EP0024430A1 Vehicular anti-collision system.
03/10/1981US4255797 Sonic attenuation system
03/10/1981US4255730 Microwave integrated circuit device
03/10/1981CA1097420A1 Monitor for two frequency localizer guidance system
03/03/1981US4254478 Measurement of distance using ultrasonic signals
03/03/1981US4253338 Ultrasonic diagnostic equipment
03/03/1981US4253337 Ultrasonic nondestructive testing method
02/1981
02/24/1981US4252026 Multiple line of sight ultrasonic apparatus
02/24/1981US4252025 Ultrasonic diagnostic apparatus
02/17/1981US4251817 Microwave integrated circuit device for transmission/reception of a signal
02/17/1981US4251779 Frequency synthesizer apparatus and method in ultrasonic imaging
02/17/1981US4251738 Balanced input zero differential detector
02/17/1981US4251145 Focussing system for cameras
02/17/1981CA1096019A1 Coherent side-lobe supressing unit for a pulse radar apparatus
02/17/1981CA1095865A1 Graphic recording system
02/11/1981EP0023532A1 Radar transmitter unit
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