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Class Information
Number: 342/157
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Determining direction > With frequency or phase steering
Description: Subject matter including means to adjust by radar signal over the elements of a given region.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6175326 |
Moving receive beam method and apparatus for synthetic aperture radar |
Jan. 16, 2001 |
| 6147639 |
Slow speed pulse chase apparatus |
Nov. 14, 2000 |
| 6137437 |
Spaceborne scatterometer |
Oct. 24, 2000 |
| 6124827 |
Photonic phase and time delay-steered arrays |
Sep. 26, 2000 |
| 6107956 |
Automotive forward looking sensor architecture |
Aug. 22, 2000 |
| 6104345 |
Direction of arrival tracking of multiple targets |
Aug. 15, 2000 |
| 6097335 |
Transmit/receive module having multiple transmit/receive paths with shared circuitry |
Aug. 1, 2000 |
| 6094158 |
FMCW radar system |
Jul. 25, 2000 |
| 6064333 |
Phased array radar system for tracking |
May. 16, 2000 |
| 5977911 |
Reactive combiner for active array radar system |
Nov. 2, 1999 |
| 5945941 |
Pulsed radar apparatus and method employing power distribution system having reduced cost and weight and enhanced efficiency and reliability |
Aug. 31, 1999 |
| 5943010 |
Direct digital synthesizer driven phased array antenna |
Aug. 24, 1999 |
| 5933112 |
Antenna array receiver and a method of correcting a phase shift amount of a receiving signal |
Aug. 3, 1999 |
| 5854610 |
Radar electronic scan array employing ferrite phase shifters |
Dec. 29, 1998 |
| 5847675 |
Radar with a wide instantaneous angular field and a high instantaneous angular resolution in particular for a missile homing head |
Dec. 8, 1998 |
| 5818386 |
Design of an electronic beam forming network for phased array applications |
Oct. 6, 1998 |
| 5774090 |
Method and device to broaden the radiation pattern of an active antenna |
Jun. 30, 1998 |
| 5771016 |
Phased array radar with simultaneous beam-steering and single-sideband modulation |
Jun. 23, 1998 |
| 5764187 |
Direct digital synthesizer driven phased array antenna |
Jun. 9, 1998 |
| 5751242 |
Transmit-receive fiber-optic manifold for phase array antennas |
May. 12, 1998 |
| 5712642 |
Spatial power combiner using subharmonic beam position control |
Jan. 27, 1998 |
| 5680141 |
Temperature calibration system for a ferroelectric phase shifting array antenna |
Oct. 21, 1997 |
| 5621397 |
Electrical fault detecting device |
Apr. 15, 1997 |
| 5598163 |
Method and system for object detection within an angular zone, and its applications |
Jan. 28, 1997 |
| 5592179 |
Frequency-hopping array antenna system |
Jan. 7, 1997 |
| 5585803 |
Apparatus and method for controlling array antenna comprising a plurality of antenna elements with improved incoming beam tracking |
Dec. 17, 1996 |
| 5583511 |
Stepped beam active array antenna and radar system employing same |
Dec. 10, 1996 |
| 5574463 |
Obstacle recognition system for a vehicle |
Nov. 12, 1996 |
| 5559519 |
Method and system for the sequential adaptive deterministic calibration of active phased arrays |
Sep. 24, 1996 |
| 5541607 |
Polar digital beamforming method and system |
Jul. 30, 1996 |
| 5539407 |
Radar apparatus provided with ECCM facilities |
Jul. 23, 1996 |
| 5525997 |
Self-calibrating, eigenstructure based method and means of direction finding |
Jun. 11, 1996 |
| 5515060 |
Clutter suppression for thinned array with phase only nulling |
May. 7, 1996 |
| 5473333 |
Apparatus and method for adaptively controlling array antenna comprising adaptive control means with improved initial value setting arrangement |
Dec. 5, 1995 |
| 5424748 |
Radar antenna suitable for designation and trajectography radar |
Jun. 13, 1995 |
| 5418539 |
Method of performing beam compression process on antenna pattern of radar |
May. 23, 1995 |
| 5400037 |
Self-focusing antenna array |
Mar. 21, 1995 |
| 5396256 |
Apparatus for controlling array antenna comprising a plurality of antenna elements and method therefor |
Mar. 7, 1995 |
| H1383 |
Space-based tethered phased-array antenna |
Dec. 6, 1994 |
| 5353033 |
Optoelectronic phased array with digital transmit signal interface |
Oct. 4, 1994 |
| 5353031 |
Integrated module controller |
Oct. 4, 1994 |
| 5339083 |
Transmit-receive module |
Aug. 16, 1994 |
| 5311190 |
Transmit and receive antenna element with feedback |
May. 10, 1994 |
| 5305009 |
Hybrid electronic-fiberoptic system for phased array antennas |
Apr. 19, 1994 |
| 5302958 |
Low loss, fast switching, tunable filter circuit |
Apr. 12, 1994 |
| 5270719 |
Transmission/reception module for an electronically phase-controlled antenna |
Dec. 14, 1993 |
| 5243350 |
Optical control of TR modules |
Sep. 7, 1993 |
| 5218358 |
Low cost architecture for ferrimagnetic antenna/phase shifter |
Jun. 8, 1993 |
| 5181040 |
Method of measuring the null angle of a monopulse antenna and apparatus therefor |
Jan. 19, 1993 |
| 5166690 |
Array beamformer using unequal power couplers for plural beams |
Nov. 24, 1992 |
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