Patents
Patents for G01S 3 - Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received (11,105)
09/1978
09/12/1978US4114157 Bearing detection system
09/12/1978US4114153 Echo location systems
09/05/1978US4112430 Beamformer for wideband signals
09/05/1978US4112294 Radiant energy detection system for the angular location of a light-radiating object
09/05/1978US4111184 Sun tracking solar energy collector
08/1978
08/29/1978US4110833 Balanced AC correlator system
08/22/1978US4109250 Circuit for the comparative vector measurement of radio signal pulses which arrive approximately simultaneously in a plurality of receivers
08/22/1978US4109232 Correction and transmission system for directional target information
08/22/1978US4108154 Solar energy collection system
08/22/1978US4108019 Solar tracking device
08/22/1978CA1037154A1 Acoustic direction finder
08/22/1978CA1037146A1 Direction finders
08/15/1978US4107692 Radio frequency signal direction finding system
08/15/1978US4107691 Antenna for phase front homing
08/15/1978US4107685 Beam forming system
08/15/1978US4107666 Variable pulse distribution electro-optical system
08/15/1978US4107530 Infrared acquisition device
08/15/1978US4107529 Dual mode seeker reticle
08/15/1978US4107521 Solar sensor and tracker apparatus
08/15/1978US4106726 Prestored area correlation tracker
08/15/1978US4106485 Solar energy reflecting system
08/08/1978US4106023 Navigation aid system
08/01/1978US4103847 Line scan area signature detection method
07/1978
07/25/1978US4103304 Direction locating system
07/25/1978US4103151 Solar tracking system
07/25/1978US4102326 Central receiver solar collector using mechanically linked mirrors
07/18/1978US4101893 Aircraft landing aid for zero-zero visibility landings
07/18/1978US4100915 Solar energy heating apparatus
07/11/1978US4100546 Airborne antenna system employing the airframe as an antenna
07/11/1978US4100544 Beacon system employing ramped gain receiver
07/11/1978US4100472 Satellite tracking antenna system
07/04/1978US4098264 Solar liquid heating apparatus
06/1978
06/27/1978US4097869 Orthogonal-port, biconical-horn, direction-finder antenna
06/27/1978US4097866 Multilevel sidelobe canceller
06/27/1978US4097155 Target locating system
06/13/1978US4094225 Target detecting and locating system
06/06/1978US4093934 Free-falling sonobuoy
05/1978
05/30/1978US4092670 Video processor for solid state star tracker
05/30/1978US4092072 Optical sensors
05/23/1978US4091386 Rear window direction finding antenna
05/23/1978US4090498 Solar heater
05/16/1978US4090201 Rate augmented step track system
05/16/1978US4090200 Method for the comparative vector measurement of signal pulses arriving nearly simultaneously at several radio receiving stations
05/16/1978US4090070 Solar pointer
05/16/1978CA1031446A1 Apparatus for determining the direction of a plane wave
05/09/1978US4088999 RF beam center location method and apparatus for power transmission system
05/09/1978US4088120 Solar concentrator-collector
05/02/1978US4087817 ADF antenna
04/1978
04/25/1978US4086485 Solar-radiation collection apparatus with tracking circuitry
04/11/1978US4084184 Tv object locator and image identifier
04/04/1978US4082947 Solar collector and drive circuitry control means
03/1978
03/21/1978US4079591 Solar power plant
03/14/1978US4078549 Solar energy collector
03/07/1978US4078222 Direction determining apparatus
02/1978
02/21/1978US4075633 Space adaptive coherent sidelobe canceller
02/07/1978US4072861 Optical tracking system
01/1978
01/31/1978US4071845 Harbor radio navigation system
01/17/1978US4069469 System for collecting information in water
01/17/1978US4068653 Solar heating unit
01/10/1978US4068208 Marine streamer position determination system
01/03/1978US4067015 System and method for tracking a signal source
01/03/1978US4065860 Weapon training simulator
12/1977
12/20/1977US4064528 Method and apparatus for enhancing a televised object
12/20/1977US4063815 Apparatus and method for optical tracking and aiming
12/06/1977US4062015 Rapid azimuthal determination of radio signals
12/06/1977US4061130 Solar energy device
11/1977
11/29/1977US4060830 Volumetric balance video tracker
11/08/1977US4057803 Adaptive direction of arrival antennae system
11/01/1977US4056801 Apparatus for locating sources of sound in water
11/01/1977US4056720 Scanning point source optical energy detector
11/01/1977US4056715 Device for forming channels using detectors spaced out on a circular base
10/1977
10/18/1977US4054873 Device for forming channels
10/11/1977US4053929 Contour fitting pictorial tracking gate
09/1977
09/27/1977US4051350 Position measuring device
09/20/1977US4050072 Signal combining apparatus
09/13/1977US4048592 Arrangement for extracting divergence-measuring modes from a corrugated guide and tracking antenna incorporating same
09/13/1977US4047816 Attitude determination using two transmitter/receiver stations and skewed reflectors
09/06/1977US4047176 Method for the comparative vector measurement of signal pulses arriving nearly simultaneously at several radio receiving stations
09/06/1977US4047175 Television antenna directing and tracking system for television program network between air-borne and ground offices
08/1977
08/30/1977US4045799 Radio locating unit for persons in distress
08/23/1977US4044377 Video target locator
08/23/1977US4044359 Multiple intermediate frequency side-lobe canceller
08/23/1977US4043672 Method and apparatus for detecting the direction of incidence of electromagnetic radiation
08/16/1977US4042931 Tracking system for multiple beam antenna
08/16/1977US4042930 Device for forming channels using detectors spaced out on a circular base
08/16/1977US4042929 Helicopter navigation system
08/16/1977US4042927 Ability of a monopulse radar to resolve and track jammers passively
08/09/1977US4041496 Automatic direction finding system
08/09/1977US4041494 Distance measuring method and apparatus
08/09/1977US4041307 Positioning a platform with respect to rays of a light source
08/02/1977US4040058 Direction finder
08/02/1977US4039246 Optical scanning apparatus with two mirrors rotatable about a common axis
07/1977
07/12/1977US4035805 Satellite tracking antenna system
07/12/1977US4034949 Optical apparatus
07/05/1977US4034376 Radio direction finder with array element signal processing
07/05/1977US4034208 Acceleration aided tracking of a designated target
07/05/1977US4033179 Acoustic emission monitoring system
06/1977
06/21/1977US4031500 Position measuring device
06/21/1977US4031444 Solar collector control system
06/21/1977US4031385 Solar tracking device