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Class Information
Number: 342/375
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Directive > Including a steerable array > With a delay line (e.g., serpentine transmission line, frequency scanning)
Description: Subject matter including a transmission line or equivalent device designed to retard a signal or wave for a predetermined length of time.

Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8674787 Plural phase shifter assembly having wiper PCBs movable by a pivot arm/throw arm assembly Mar. 18, 2014
8674788 Phase shifter having an accelerometer disposed on a movable circuit board Mar. 18, 2014
8664807 Planar tri-mode cavity Mar. 4, 2014
8629807 True time delay phase array radar using rotary clocks and electronic delay lines Jan. 14, 2014
8610625 Method and apparatus for transmitting and receiving phase-controlled radiofrequency signals Dec. 17, 2013
8606178 Multi-directional wireless communication for a control module Dec. 10, 2013
8547278 Sensing device having multi beam antenna array Oct. 1, 2013
8548109 Dynamic memory and I/O management in a GPS receiver Oct. 1, 2013
8537051 Three-dimensional imaging system employing fast-scanned antenna array Sep. 17, 2013
8482462 Multi-antenna beam-forming system for transmitting constant envelope signals decomposed from a variable envelope signal Jul. 9, 2013
8456255 Variable phase shifter comprising two finite coupling strips coupled to a branch line coupler Jun. 4, 2013
8451158 Analog to digital converter with generalized beamformer May. 28, 2013
8433339 Method of and system for signal analysis in a wireless communications system Apr. 30, 2013
8427372 Array antenna Apr. 23, 2013
8400166 Non-destructive determination of electromagnetic properties Mar. 19, 2013
8401133 Multi-antenna system using adaptive beamforming Mar. 19, 2013
8355255 Cooling of coplanar active circuits Jan. 15, 2013
8259005 True time delay diversity beamforming Sep. 4, 2012
8248302 Reflection-type phase shifter having reflection loads implemented using transmission lines and phased-array receiver/transmitter utilizing the same Aug. 21, 2012
8238017 Photonic match filter Aug. 7, 2012
8228228 Apparatus and method for receiving electromagnetic waves using photonics Jul. 24, 2012
8224240 Method and apparatus for implementing beam forming in CDMA communication system Jul. 17, 2012
8203484 Path-sharing transceiver architecture for antenna arrays Jun. 19, 2012
8174443 True time delay systems with array antenna for the spatially changeable radiation pattern for maximum power ultra-wideband pulses May. 8, 2012
8149107 System and method for person or object position location utilizing impulse radio Apr. 3, 2012
8085210 Method for obtaining a predetermined position of an antenna Dec. 27, 2011
8077111 Optimized radiation patterns Dec. 13, 2011
8031116 Microwave antenna system Oct. 4, 2011
8013792 Method and apparatus to minimize antenna backside signal response and ambiguity Sep. 6, 2011
7999737 Beam adjusting device Aug. 16, 2011
7898477 Volumetric direction-finding using a Maxwell Fish-Eye lens Mar. 1, 2011
7889128 Array antenna apparatus and signal processing method Feb. 15, 2011
7868824 Beamforming apparatus and method Jan. 11, 2011
7864111 Arrangement for steering radiation lobe of antenna Jan. 4, 2011
7864112 Beam-forming antenna with amplitude-controlled antenna elements Jan. 4, 2011
7737892 Time delay beamformer and method of time delay beamforming Jun. 15, 2010
7728772 Phased array systems and phased array front-end devices Jun. 1, 2010
7729572 Optical tapped time delay modules and arrays Jun. 1, 2010
7724179 Miniaturized microwave-photonic receiver May. 25, 2010
7724994 Digitally controlled optical tapped time delay modules and arrays May. 25, 2010
7715101 Electromagnetic radiation pulse duration control apparatus and method May. 11, 2010
7659849 Frequency scanning antenna Feb. 9, 2010
7656351 Method of designing a low cost multibeam phased array antenna for communicating with geostationary satellites Feb. 2, 2010
7649495 Wavelength division multiplexing methods and apparatus for constructing photonic beamforming networks Jan. 19, 2010
7642963 Soldier/ground vehicle passive ranging system utilizing compact spatiotemporal processor Jan. 5, 2010
7626754 Light steering using an array of tunable phase delay elements Dec. 1, 2009
7609971 Electro optical scanning multi-function antenna Oct. 27, 2009
7602336 Coherently combining antennas Oct. 13, 2009
7602337 Antenna array including a phase shifter array controller and algorithm for steering the array Oct. 13, 2009
7595753 Broadband beam steering antenna Sep. 29, 2009

1 2 3 4 5 6 7

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