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 11 - Systems for determining distance or velocity not using reflection or reradiation
Patents for G01S 11 - Systems for determining distance or velocity not using reflection or reradiation (4,179)
07/1988
07/19/1988US4758691 Apparatus for determining the position of a movable object
07/13/1988EP0273925A1 Method and apparatus for precisely measuring relative velocity in an interferometric radiometer.
06/1988
06/28/1988US4754283 Codeless GPS sonde
06/23/1988DE3642196A1 Optoelectronic collision protection device for vehicles
06/22/1988CN87104552A Method and apparatus for precision measurement of relative speeds in interference radiationmeter
06/21/1988US4752917 Measurement system using sonic and ultrasonic waves
06/14/1988US4751689 Method of measuring a distance
06/07/1988US4749848 Apparatus for and method of measuring distances to objects present in a plurality of directions with plural two-dimensional detectors
05/1988
05/24/1988US4747064 Approaching vehicle informing system and method
05/04/1988EP0265701A2 Optical sensor for measuring the distance between two elements
03/1988
03/29/1988US4734702 Passive ranging method and apparatus
03/16/1988EP0259428A1 Position measuring apparatus and method.
03/02/1988CN87104303A 先进的仪表着陆系统 Advanced Instrument Landing System
02/1988
02/23/1988US4727258 Optoelectronic system for passive range metering
01/1988
01/27/1988CN87104969A Method of and apparatus for measuring time of arrival of remote loran-c and related signals and effective time of transmission of local signals at transmitter sites
01/26/1988US4721961 Submarine detection system
01/20/1988EP0253470A2 Methods of and apparatus for measuring time of arrival of remote Loran-C and related signals and effective time of transmission of local signals at transmitter sites
01/20/1988EP0253277A2 Passive method for estimating data of a target moving in water and radiating time continuous sound signals
01/14/1988WO1988000354A1 Method and apparatus for precisely measuring relative velocity in an interferometric radiometer
01/14/1988WO1988000328A1 Range finding method and apparatus
12/1987
12/29/1987US4716574 Wirelessly functioning signal transmission system
12/23/1987EP0250211A2 Codeless GPS sonde
12/03/1987DE3717791A1 Optoelektronisches system zur bestimmung von richtung und geschwindigkeit eines koerpers durch innere laseremission Optoelectronic system for the determination of the direction and velocity of a body by internal laser emission
12/01/1987US4710020 Beacon proximity detection system for a vehicle
11/1987
11/19/1987WO1987007030A1 Advanced instrument landing system
11/11/1987EP0244513A2 Deviation measurement system
11/10/1987US4706286 Method and circuit for extraction of Doppler information from a pseudo-noise modulated carrier
11/03/1987US4704613 Radar ranging system
10/1987
10/28/1987EP0243242A1 Device for measuring the range between two moving points
10/20/1987US4701934 Method of doppler searching in a digital GPS receiver
10/20/1987CA1228403A1 Moving object detection system using infrared scanning
09/1987
09/29/1987US4696574 Precision remote location of a movable point employing light interference fringes
09/24/1987WO1987005706A1 Position measuring apparatus and method
09/22/1987US4695156 Range finding method and apparatus
09/17/1987DE3608384A1 Method for measuring displacements, in particular for the absolute measurement of short displacements, via the propagation time of pulses in a material support medium, and associated device for carrying out the method
09/16/1987EP0237223A1 Passive ranging method and apparatus
09/15/1987US4694172 Detection of fires and explosions
09/09/1987EP0235285A1 Apparatus for and method of doppler searching in a digital gps receiver
08/1987
08/26/1987EP0233472A1 Device to determine the position of a mobile object
08/25/1987US4689626 Digital circuit for correcting phase shift of digital signal
08/18/1987US4688046 ADF bearing and location for use with ASR and ASDE displays
07/1987
07/30/1987WO1987004549A1 Device for determining the position of a moving object
06/1987
06/25/1987DE3544289A1 Method for tracking the linear path of a vehicle
06/23/1987US4675684 Distance measuring receiver system and method
06/11/1987DE3543339A1 Arrangement for measuring the speed of flying objects
06/09/1987US4672383 Craft guidance system
06/02/1987US4670758 Depression angle ranging system and methods
05/1987
05/20/1987EP0222267A1 Non-contact speed and length measurement method
05/20/1987CN86105364A Apparatus for and method of doppler searching in a digital global positioning system navigation system
05/12/1987US4665404 High frequency spread spectrum positioning system and method therefor
04/1987
04/28/1987US4661817 Method and apparatus for measuring the distance to an object
04/21/1987US4659982 Microwave apparatus and method of operation to determine position and/or speed of a movable body or discontinuity or change in a material
03/1987
03/24/1987US4652821 Device including selectively actuatable sensors and a multiplexer-demultiplexer for contact-free positional measurement of electronic position indicators
03/18/1987EP0138940B1 Method and apparatus for measuring the distance to an object
03/17/1987US4651154 Digital NAVSTAR receiver
03/12/1987WO1987001540A1 Apparatus for and method of doppler searching in a digital gps receiver
03/05/1987DE3531726A1 Search apparatus for buried objects
03/04/1987EP0211971A2 Passive ranging of an airborne emitter by a single non-maneuvering or stationary sensor
03/03/1987US4647932 Spacecraft velocity measurement system
02/1987
02/25/1987CN86105773A Passive phase relation doppler radar used in dash speed measurement
02/10/1987US4642649 Passive ranging method and apparatus using interferometric scanning
02/03/1987US4641287 Method for locating an on-bottom seismic cable
01/1987
01/15/1987DE3345021A1 Passive method for estimating state variables of a moving target radiating sound pulses into water
12/1986
12/02/1986US4626861 Two angle range and altitude measurement system and methods
11/1986
11/05/1986EP0165921A4 Electronic navigation method and system.
11/04/1986CA1213660A1 Adf bearing and location for use with asr and asde displays
09/1986
09/30/1986US4614426 Passive target detector
09/23/1986US4613867 Passive ranging of an airborne emitter by a single non-maneuvering or stationary sensor
09/17/1986EP0194714A2 Method and device for distance determination
09/16/1986US4612441 Moving object detection system using infrared scanning
09/16/1986CA1211546A1 Differential doppler receiver
07/1986
07/22/1986CA1208366A1 Distance-measuring sensor
07/08/1986CA1207427A1 Acoustic positioning system
07/02/1986EP0186198A2 System and method for deriving the position of a receiver from signals broadcast by satellites.
07/02/1986EP0185719A1 Micro-opto-audio-magneto-chromo electronic compass
06/1986
06/17/1986US4595284 Method and apparatus for measuring distribution of elongation in an optical cable
05/1986
05/20/1986US4589770 Electro-optical ranging apparatus having scanning circuitry and servoloop processor for resolving separation of images on photoelectric detector arrays
04/1986
04/22/1986US4584584 Method of measuring range and altitude
04/15/1986US4582430 Position determination
04/08/1986US4580449 Method and apparatus for determining the surface level of molten metal
03/1986
03/26/1986EP0175424A2 Optical-electronic device pre-arranged for the determination of the speed of a travelling vehicle, by means of a laser ray
03/18/1986US4577194 Area navigational system
01/1986
01/16/1986WO1986000419A1 Micro-opto-audio-magneto-chromo electronic compass
01/15/1986EP0168335A2 Method for constructing a microwave system and for correlation processing of its signals
01/15/1986EP0167683A1 Position fixing system
01/02/1986EP0165921A1 Electronic navigation method and system.
12/1985
12/24/1985US4560930 Distance-measuring system using orthogonal magnetic field generators and orthogonal magnetic field sensors
12/17/1985US4559607 Arrangement to provide an accurate time-of-arrival indication for a plurality of received signals
12/17/1985US4559606 Arrangement to provide an accurate time-of-arrival indication for a received signal
12/10/1985US4558439 Passive method for obtaining target data from a sound source
12/10/1985US4558323 Passive ranging of an airborne emitter by a single sensor
11/1985
11/27/1985EP0162099A1 High frequency spread spectrum positioning system and method therefor
09/1985
09/25/1985EP0155776A1 Digital navstar receiver
09/04/1985EP0153466A1 Wireless communication system
07/1985
07/10/1985EP0148142A2 System for localizing the source of a ground impact wave
06/1985
06/25/1985US4524931 Device for indicating a certain proximity between movable units
06/20/1985WO1985002686A1 Electronic navigation method and system
05/1985
05/14/1985US4516851 Velocity measurement
05/09/1985WO1985002023A1 High frequency spread spectrum positioning system and method therefor
05/07/1985US4516226 Acoustic positioning system
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