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)
10/1991
10/16/1991EP0260303B1 Automatic flow-control device
10/15/1991US5058171 Microphone arrangement
10/15/1991US5058087 Process for determining the electrical duration of signal paths
10/15/1991US5058081 Method of formation of channels for a sonar, in particular for a towed-array sonar
10/15/1991US5057844 Insulated underground antenna and method for utilizing same
10/15/1991US5057843 Method for providing a polarization filter for processing synthetic aperture radar image data
10/15/1991US5056913 Optical gauging apparatus
10/15/1991US5056817 Temperature-rise limiting automobile bra
10/15/1991CA1290882C Counter-measure process in the objective designation and laser telemetry fields, as well as materials and devices for the implementation of said counter-measure process
10/11/1991WO1991015872A1 Method and apparatus for detecting objects
10/09/1991EP0450999A1 Electric power supply device with energy reserve, in particular for a microwave tube
10/09/1991EP0450667A2 Three dimensional imaging system
10/08/1991US5056068 Apparatus and method for detecting sharp signal variations against ambient signals
10/08/1991US5055848 Radar apparatus for the detection of helicopters
10/08/1991US5055683 Line scanner
10/08/1991US5054911 Light wave distance measuring instrument of the pulse type
10/08/1991US5054321 Method and apparatus for measuring surface contour on parts with elevated temperatures
10/08/1991CA1290429C Closed loop velocity/altitude sensor for fm/cw doppler radars
10/06/1991WO1991015781A1 Acoustic search device
10/06/1991CA2079595A1 Acoustic search device
10/03/1991WO1991014951A1 Monopulse processor digital correction circuit
10/02/1991EP0448956A2 Target recognition using quantization indexes
10/02/1991DE4010033A1 Radar-type control sensor - has sequencer operating antenna, sensor, amplifier, converter, memory, comparator and trigger
10/01/1991US5054004 Method of active sonar detection of a stationary target
10/01/1991US5053983 Filter system having an adaptive control for updating filter samples
10/01/1991US5053780 Responsive simultaneous frequency agile radar
10/01/1991US5053779 Signal processing
10/01/1991US5053777 Measurement of the stability of a radar in transmission/reception
10/01/1991US5053775 Device for determinging the profile of the loading surface of a shaft furnace
10/01/1991US5053773 Doppler compensated airborne weather radar system
10/01/1991US5053722 Fault-tolerant, wideband radar microwave signal generator
10/01/1991US5052394 Method and apparatus for ultrasonic beam compensation
10/01/1991CA1290050C Arrangement for identifying the position of a movable body with ultrasound
09/1991
09/25/1991EP0448111A2 Lidar scanning system
09/25/1991EP0447914A2 Apparatus for measuring the distance of a target
09/24/1991US5051754 Optoelectronic wide bandwidth photonic beamsteering phased array
09/24/1991US5051753 Array antenna system with direction finding capability
09/24/1991US5051752 Angle measurement compensation technique for amplitude comparison monopulse receiver
09/24/1991US5051572 Photomultiplier gating circuit
09/24/1991US5050986 Synchronization system for controlling switches
09/24/1991US5050611 Ultrasonic imaging apparatus
09/24/1991US5050610 Transesophageal ultrasonic scanhead
09/24/1991CA1289648C System for detecting underground objects
09/19/1991DE4007646A1 View improving system for vehicle - has illumination optics, radiating IR light with fixed transmission polarisation
09/19/1991CA2077337A1 High modulus multifilament spokes and method
09/18/1991EP0447076A2 Improvements in acoustic ranging systems
09/18/1991EP0446678A2 Polystatic correlating radar
09/17/1991US5050226 Ultrasonic echographic imaging device utilizing an improved adaptive filter
09/17/1991US5049890 Sampled data processing
09/17/1991US5049889 Moving target indication unit
09/17/1991US5049886 Weather radar system with improved display characteristics
09/17/1991US5049885 Long range police radar warning receiver
09/17/1991US5049884 Battery powered police radar warning receiver
09/17/1991US5049757 Method for scanning a plurality of optical measuring reflectors and an apparatus for performing the method
09/17/1991US5048528 Alias suppression in pulsed doppler systems
09/12/1991DE4007249A1 Relative speed detection arrangement monitoring vehicle separation - uses Doppler signal generator on vehicle with evaluation device eliminating errors due to speed w.r.t. background
09/11/1991EP0446101A1 Laser system to measure the angle of attack of an aircraft
09/11/1991EP0445795A2 Forward looking radar
09/11/1991EP0445794A2 Forward-looking radar
09/11/1991EP0445694A1 Active printed circuit antenna system having high efficiency for a scanning radar for operation in space
09/11/1991CN1054513A Ceiling mount microwave transceiver with 360 degree radiation pattern
09/11/1991CN1054490A Modulation of random signals
09/10/1991WO1991014313A1 Method and apparatus for autoranging, quadrature signal generation, digital phase reference, and calibration in a high speed rf measurement receiver
09/10/1991US5047993 Detection and classification for multi-beam sonar systems
09/10/1991US5047783 Millimeter-wave imaging system
09/10/1991US5047782 System and method for simulating targets for a radar receiver utilizing an optical link
09/10/1991US5047780 Pulse radar apparatus and pulse discrimination circuit suitable for incorporation in a pulse radar apparatus
09/10/1991US5047779 Aircraft radar altimeter with multiple target tracking capability
09/10/1991US5047776 Multibeam optical and electromagnetic hemispherical/spherical sensor
09/10/1991US5047775 Automatic range adjustable weather radar system
09/10/1991US5047774 Radio frequency transmission and reception system
09/10/1991US5046839 Golf course range finder system
09/10/1991US5046500 Doppler flow velocity meter
09/10/1991CA2077657A1 Method and apparatus for autoranging, quadrature signal generation, digital phase reference, and calibration in a high speed rf measurement receiver
09/10/1991CA1288863C Wideband adaptive array using the chirp transform
09/05/1991WO1991013414A1 Ceiling mount microwave transceiver with 360 degree radiation pattern
09/05/1991WO1991009323A3 Detection device
09/05/1991DE3442051A1 U boat decoy deceiving active locating sonar esp. of torpedo - is underwater floating body carrying large metal surface
09/04/1991EP0444402A2 Method and apparatus for indicating visibility in fog to drivers of motor vehicles
09/04/1991EP0444357A2 Ceiling mount microwave transceiver with 360 degree radiation pattern
09/03/1991WO1991013370A1 Time domain radio transmission system
09/03/1991US5045858 Sidelobe identification and discrimination system with signal multiplexer-separator
09/03/1991US5045857 High-speed beam switching processor
09/03/1991US5045856 Vehicular anticollision radar system for driving in the fog
09/03/1991US5044744 Method and apparatus for distance measurement using electromagnetic waves
09/02/1991CA2033488A1 Ceiling mount microwave transceiver with 360 degree radiation pattern
08/1991
08/28/1991EP0443909A1 Method and optical system for measuring the air temperature by laser excitation, especially in front of an air-ship
08/28/1991EP0443786A2 Multiple-beam energy transmission system
08/28/1991EP0443658A1 Radar apparatus for the detection of helicopters
08/28/1991EP0443643A2 Method and apparatus for adjusting a vehicle sensor
08/28/1991EP0443243A2 Pulse doppler radar system
08/27/1991USRE33672 Method for measuring characteristics of living tissue by ultrasonic waves
08/27/1991US5043954 Apparatus for preventing turning-in and transmitter for vehicle
08/27/1991US5043951 Apparatus for reduction of side lobes in a beam pattern of an array
08/27/1991US5043909 Method and device for excess modulation detection for signal analysis
08/27/1991US5043703 Supervision of autodyne microwave motion-detection system
08/27/1991US5043608 Correction circuit
08/27/1991US5042491 Ultrasonic diagnostic apparatus
08/27/1991US5042428 Implement for milking an animal
08/27/1991US5042305 Ultrasonic flaw detecting system
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