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)
04/1991
04/05/1991CA2067130A1 Underwater profile detector device
04/04/1991WO1991004499A1 A method of, and apparatus for, detecting an object
04/04/1991DE4005919C1 Ascertaining range of vision of car driver in fog - using range finder transmitting signals and receiving those reflected from road surface not covered by fog
04/03/1991EP0420357A1 A method of, and apparatus for, detecting the position of an object
04/03/1991EP0420346A1 Ultrasonic echograph with digital reception beam former
04/03/1991EP0420190A2 Ultrasonic contact transducer and array
04/02/1991US5005085 Controllable semiconductor image sensor and arrangement with such a sensor
04/02/1991US5005018 (U) modulator to provide a continuous stepped frequency signal format
04/02/1991US5005017 Multiple pulse delay processor
03/1991
03/28/1991DE3932659C1 Room e.g. vehicle interior and-or object monitoring method - examining changes in EM field beam from transmitter and activating alarm when amplitude of detected signals exceeds set level
03/27/1991EP0419425A2 Differential fluorescence lidar and associated detection method
03/27/1991EP0419082A2 Optical distance gauging apparatus
03/27/1991CA2026053A1 Ultrasonic contact transducer and array
03/26/1991US5003314 Digitally synthesized phase error correcting system
03/26/1991US5003312 Velocity deception apparatus and method therefor
03/26/1991US5002388 Optical distance measuring apparatus having a measurement error compensating function
03/26/1991CA1282163C Ultrasonic imaging apparatus
03/26/1991CA1282158C Apparatus for processing fish detection signals
03/26/1991CA1282146C Aircraft collision warning system
03/21/1991CA2025468A1 Differential fluorescence lidar and associated detection method
03/20/1991EP0418205A2 Radar arrangement
03/20/1991EP0418141A1 Method for sonar beam forming, particularly for towed sonar
03/20/1991EP0417689A2 Phased array antenna with temperature compensating capability
03/20/1991EP0417225A1 Process and device for reducing the noise emission of submerged submarines.
03/20/1991CN1050094A Covering jamming effect measuring instrument for radar
03/19/1991US5001777 Use in motor vehicle
03/19/1991US5001678 System for detecting surrounding environmental conditions using a multiple number of incoming signals
03/19/1991US5001508 Range finder
03/19/1991US5001490 Multifunction radar techniques
03/19/1991US5001489 Digital phase detector
03/19/1991US5000567 Laser radar system for detecting an object
03/19/1991US5000184 Directional component measurement by echography
03/19/1991US5000183 Device for processing an echographic signal
03/19/1991CA1281823C Process for homogenizing images resulting from a coordinate transformation and digital image transformer
03/16/1991CA2025339A1 Beam forming method for a sonar, particularly a towed sonar
03/14/1991DE3929796A1 Ascertaining main battle for weapon system - defining boundaries of radar- protected area and operational capability of each weapon
03/12/1991US4999636 Range limiting system
03/07/1991DE3929243A1 Shortening fade of ultrasonic pulse transmitter - performing stepless variation of frequency of excitation of piezoelectric transducer beyond resonant frequency for short time
03/07/1991DE3929242A1 Interference-free processor pref. for ultrasonic echo ranging - compares frequency of received echoes with reference frequency for discrimination against short sequences of impulsive noise
03/06/1991EP0415677A2 Hearing aid having compensation for acoustic feedback
03/06/1991EP0415405A2 Device for obtaining distance information from an object by instantaneously illuminating the object by a light beam
03/06/1991EP0415324A2 Ultrasonic diagnostic apparatus
03/06/1991EP0415323A2 Ultrasonic diagnosing apparatus
03/06/1991EP0415241A2 Durable infrared target having fast response time
03/06/1991EP0414865A1 Process for masking the noise signals emitted by the sound-emitting mechanical elements of a vehicle, in particular a submerged submarine, and submarine.
03/05/1991US4998110 Power stabilizer and isolation/coupler network
03/05/1991US4998043 LED stabilizing light source device
03/05/1991CA1281122C Filling level measuring device for measuring the filling level of explosive or aggressive media in a container
03/02/1991WO1991003792A1 System and method for transforming two dimensional signals of a hand held sector transducer into three dimensional signals
03/02/1991CA2064914A1 System and method for transforming two dimensional signals of a hand held sector transducer into three dimensional signals
03/01/1991CA2020454A1 Durable infrared target having fast response time
02/1991
02/27/1991EP0414479A2 High compliance headphone driving
02/27/1991EP0413951A1 Rank order processing array
02/27/1991EP0322454B1 Analog-digital correlator
02/27/1991EP0140925B1 Modulation detector and classifier
02/26/1991US4996675 Signal sensor insensitive to static pressure variations
02/26/1991US4996647 Digital statistical processing for signal parameter determination
02/26/1991US4996534 Processing of concatenated radar measurements to re-establish signal phase coherence
02/26/1991US4996532 Digital beam forming radar system
02/26/1991US4996440 Device for measuring dimensions
02/26/1991US4995720 Pulsed coherent Doppler laser radar
02/24/1991CA2023142A1 High compliance headphone driving
02/21/1991WO1991002323A1 Adaptive network for classifying time-varying data
02/21/1991WO1991002264A1 Apparatus for sensing underwater objects
02/20/1991EP0413593A2 Optical system
02/19/1991US4995102 Scanning method used by laser radar and laser radar for carrying out the method
02/19/1991US4995088 Super resolution
02/19/1991US4995010 Depth finding-trolling system
02/19/1991US4994811 Sensitivity time control device
02/19/1991US4994810 Monopulse processor digital correction circuit
02/19/1991US4994809 Polystatic correlating radar
02/19/1991US4993417 Method and system for controlling ultrasound scanning sequence
02/17/1991CA2020569A1 Rank order processing array
02/14/1991DE3926477A1 Process parallel image scanning - using ultrasound imaging device with adaptive focussing
02/14/1991DE3926216A1 Multi-function radar with electronic phase-controlled antenna
02/14/1991DE3926215A1 Multi-function radar with electronic phase-controlled antenna
02/14/1991DE3926198A1 Multi-function radar with electronic phase-controlled antenna
02/14/1991DE3926197A1 Multi-function radar with electronic phase-controlled antenna
02/14/1991DE3925921A1 Contactless distance measurement of objects or distance changes - measuring changing voltage value and limiting permissible distances to specified region
02/13/1991EP0412441A2 Multifunctional radar
02/13/1991CN1011569B Device for eliminating fixed echoes for ultrasonic echograph
02/12/1991US4992999 Submarine drone for carrying a barrel stave-type transducer array
02/12/1991US4992998 Acoustic range finding system
02/12/1991US4992797 Method of detection and identification of one or more remote objects
02/12/1991US4992796 Detection
02/12/1991US4992795 Method and device for the validation of plots, for radar, with self-adaptive updating
02/12/1991US4992793 Device for rejecting pulse repeater deception jamming
02/12/1991US4991589 Ultrasonic imaging apparatus
02/12/1991US4991427 Bore mapping and surface time measurement system
02/12/1991CA1280193C Subsurface inspection radar
02/06/1991EP0411473A2 Ultrasonic generator with a piezoelectric transducer
02/06/1991EP0411309A1 Three-dimensional perspective plan-view format for situation awareness displays
02/06/1991EP0258432B1 Multimode noise generator using digital fm
02/06/1991CN1011544B Bore mapping and surface time measurement system
02/05/1991US4991165 Digital adaptive interference canceller
02/05/1991US4991149 Underwater object detection system
02/05/1991US4991146 Intrusion detection system
02/05/1991US4991144 Dopplerized echo repeater
02/05/1991US4991143 Mobile target acoustic system
02/05/1991US4990923 Test pylon having low radar cross section
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