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Patent No. 5307162

Cloaking System Using Optoelectronically Controlled Camouflage

A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.

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Class 333/128 - Stripline


Subclass of Class 333 - Wave transmission lines and networks
Definition: Subject matter wherein the TEM lines are of the type having
No. of patents: 263
Last issue date: 07/19/2011


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NumberTitleIssue Date
7982556Splitter with a printed element
According to one exemplary embodiment, a three-way splitter includes a printed element and a resistive network comprising discrete resistors. A first printed branch, second printed branch, and third printed branch distribute a received communication signal to respec...
07/19/2011
7982555Method and system for processing signals via power splitters embedded in an integrated circuit package
Methods and systems for processing signals via power splitters embedded in an integrated circuit package may include generating via a power splitter, one or more RF signals proportional to one or more received RF signals. The power splitter may be integrated in a mu...
07/19/2011
7973617Unequal three-way divider for in-phase signal division
An unequal three-way divider divides an input signal into three in-phase signals whose power ratio is different between a center and both ends. The unequal three-way divider includes an input terminal, and three output terminals for outputting a three-divided signal...
07/05/2011
7920035Microwave power splitter/combiner
A microwave, power splitter/combiner (20) is formed as part of a multilayer laminate (27, 28, 29, 33, 34) such that two ports (22, 23) are connected by plated vias (31, 32) to conductive pads (29, 30) connected across an isolation ...
04/05/2011
7541892Three-way splitter including a printed element
According to one exemplary embodiment, a three-way splitter includes a printed element and a resistive network comprising discrete resistors. A first printed branch, second printed branch, and third printed branch distribute a received communication signal to respec...
06/02/2009
7400215Method and apparatus for increasing performance in a waveguide-based spatial power combiner
A power combining array and method of increasing performance in a power combining array includes a waveguide enclosure having a plurality of slotline modules disposed therein. The slotline modules include input and output antennas that have varying physical characte...
07/15/2008
7365695Antenna system
An antenna system for sharing of operation employs contiguous transmit frequencies. Transmit frequencies are separated into non-contiguous sub-groups isolated from one another by filters 158(+) and 160(−) associated with positive and negative polaris...
04/29/2008
7358908System and method for regulating antenna electrical length
A system and method are provided for regulating the electrical length of an antenna. The method comprises: communicating transmission line signals at a predetermined frequency between a transceiver and an antenna; sensing transmission line signals; and, modifying th...
04/15/2008
7330084Printed circuit board having a bond wire shield structure for a signal transmission line
A printed circuit board for a high-speed semiconductor package uses bonding wires as a shield structure, e.g., to shield an open portion of signal transmission lines, and thereby reduce the likelihood of coupling noises, e.g., between signal transmission lines. ...
02/12/2008
7324060Power divider having unequal power division and antenna array feed network using such unequal power dividers
An RF power divider circuit unequally divides an input signal into first and second signal components of unequal power. The circuit includes a single input port, first and second output ports, and a combination of a plurality of quarter wave transformers and a plura...
01/29/2008
7313715Memory system having stub bus configuration
A memory system having a stub-bus configuration transmits a free-running clock through the same path as data signals. A single clock domain is employed for both read and write operations. For both operations, the read or write clock signal is routed through the same...
12/25/2007
7301422Variable differential phase shifter having a divider wiper arm
A variable differential phase shifter including an isolation element providing good isolation between output ports, good return loss and reduced reflections. In one embodiment a Wilkinson divider is incorporated in the wiper arm of a wiper type variable differential...
11/27/2007
7295065High efficiency doherty amplifier with a segmented main amplifier
A Doherty amplifier that includes a main amplifier device and an auxiliary amplifier device. The main amplifier device includes a plurality of independently controllable amplifier segments. The system further includes a coupler for coupling an input signal to each o...
11/13/2007
7289008High-frequency module and communication apparatus
A high-frequency module has a structure wherein transmitting filters, receiving filters and high-frequency power amplifiers are mounted on a multilayered substrate and wherein matching circuits are inserted between input terminals of the receiving filters and output...
10/30/2007
7278202Method for making overlay surface mount resistor
A surface mount resistor includes an elongated piece of resistive material having strips of conductive material attached to its opposite ends. The strips of conductive material are separated to create an exposed central portion of the resistive material therebetween...
10/09/2007
7274331Phase-shifting system using a displaceable dielectric and phase array antenna comprising such a phase-shifting system
A phase-shifting system for electrically swiveling the direction of a beam of an antenna field includes several radiators with two planes of polarization. The phase-shifting system includes two jointly changeable phase shifters with microstrip lines associated there...
09/25/2007
7265644Ultra-broadband integrated balun
An ultra-broadband balun is provided. The balun comprises: a first unbalanced transmission line comprising a first ground trace and a signal trace; and a balanced transmission line comprising a first and second signal trace, wherein the first signal trace of the bal...
09/04/2007
7239216Semiconductor memory device with data bus scheme for reducing high frequency noise
A semiconductor memory device includes memory modules which have memories and a data bus which transfers data to the memory modules, in which the data bus comprises a low frequency band data pass unit which removes the high frequency component of the data and sends ...
07/03/2007
7227796Memory system mounted directly on board and associated method
The invention provides an improved memory system that addresses signal degradation due to transmission line effects. The improved memory system includes a first buffer, at least one first memory device coupled to the first buffer, and a plurality of signal traces. T...
06/05/2007
7221239Variable power divider
A variable power divider and method can vary the RF power between ports in a high power and multi-carrier RF environment, such as is used in controlling signals sent and received in a base station antenna. The variable power divider can include a single-control phas...
05/22/2007
7221240Narrow bandpass filter installed on a circuit board for suppressing a high-frequency harmonic wave
The present invention is to provide a narrow bandpass filter installed on a circuit board for suppressing a high-frequency harmonic wave, which uses a metal microstrip method to directly build a microstrip circuit corresponding to a narrow bandpass filter on a circu...
05/22/2007
7215220Broadband power combining device using antipodal finline structure
A broadband power combining device includes an input port, an input waveguide section, a center waveguide section formed by stacked wedge-shaped trays, an output waveguide section, and an output port. Each tray is formed of a wedge-shaped metal carrier, an input ant...
05/08/2007
7205865Power divider and combiner in communication system
Disclosed is a high frequency omni-directional 2-way power divider which includes one input terminal and two output terminals so that a signal inputted through the input terminal is uniformly distributed to the two output terminals. The high frequency omni-direction...
04/17/2007
7200365Composite high frequency component and mobile communication device including the same
The invention provides a composite high frequency component constituting a part of a microwave circuit having plural signal paths corresponding to their respective frequencies, comprising: a diplexer for coupling transmitting signals from the plural signal paths for...
04/03/2007
7180394Millimeter wave (MMW) radio frequency transceiver module and method of forming same
A low cost and high performance millimeter wave (MMW) radio frequency transceiver module includes a substrate board and plurality of microwave monolithic integrated circuit (MMIC) chips supported by the substrate board and arranged in a receiver section, a local osc...
02/20/2007
7164903Integrated N-way Wilkinson power divider/combiner
An integrated N-way Wilkinson power divider is described. In one embodiment, the N-way Wilkinson power divider uses a conductor layer with a cross-over (or cross-under) resistor insulated from the conducting layer by an insulating bridge. In one embodiment, the widt...
01/16/2007
7157986Three-dimensional balun
A three-dimensional balun is disclosed by laminating alternate layers of conductor and dielectric substrate on top of each other to create a microwave circuit. The laminated layers are constructed in a transmission line configuration, corresponding to an equivalent ...
01/02/2007
7151421Coupler
The present invention provides a coupler having a high degree of coupling. The coupler comprises first and second dielectric substrates each having first and second surfaces which are parallel to each other. A ground conductor is formed on the first surface of the f...
12/19/2006
7151423Demultiplexer and multiplexer
A demultiplexer receives a multiplexed signal, in which a plurality of electrical signals with mutually different frequencies are multiplexed together, and divides the multiplexed signal into the electrical signals. The demultiplexer includes at least one line for p...
12/19/2006
7138887Coupler with lateral extension
A coupler is disclosed that includes first and second mutually coupled spirals or loops disposed on opposite sides of a dielectric substrate. The substrate may be formed of one or more layers and the loops may have a number of turns appropriate for a given applicati...
11/21/2006
7136429Passive redundant digital data receiver with dual comparator edge detection
A passive coupling structure constructed using printed circuit board traces is used to separate the low and high frequency components of an incoming digital signal. The low and high frequency components of the signal are sent to separate receivers on an integrated c...
11/14/2006
7132906Coupler having an uncoupled section
A symmetrical or asymmetrical coupler includes first and second conductive lines formed as at least first and second coupled sections and a delay section between the first and second coupled sections. The coupler may include plural alternating delay sections and cou...
11/07/2006
7127808Spiral couplers manufactured by etching and fusion bonding
A microwave circuit utilizes a spiral-like coupler configuration to achieve the functionality of a traditional coupler with higher density and lower volume. A plurality of substrate layers having metal layers disposed on them are bonded to form the package. A plural...
10/31/2006
7123884RF switch
A radio frequency (RF) switch which is used in an RF unit of a communication apparatus and which has less of an insertion loss during a transmission. A strip line disposed in the RF switch is formed by combining first and second strip lines having different values o...
10/17/2006
7120409High frequency module and radio device using the same
The high-frequency module of the present invention is formed of two sections: first high-frequency circuit 5 having a first filter circuit; and second high-frequency circuit 6 having a second filter circuit. At least any one of the two high-frequency c...
10/10/2006
7106147Apparatus, system, and method for high frequency signal distribution
In some embodiments, an apparatus, system, and method for high frequency signal distribution may input a source signal and provide a plurality of outputs having equal phase and magnitude using a pie-divider 205. The pie-divider 205 may include an input...
09/12/2006
7075387Directional coupler, antenna interface unit and radio base station having an antenna interface unit
A directional coupler for radio frequency application, comprising: an input (110) for receiving a radio frequency input signal; a port (120) for delivering a radio frequency output signal; a first elongated conductor (150; 150:1), suspended in a...
07/11/2006
7071775Method and apparatus for an enhanced efficiency power amplifier
A power amplifier that includes: an input drive controller (310) for receiving an input signal (312) and for generating from the input signal at least a first drive signal (314), a second drive signal (316), and a third drive signal (3...
07/04/2006
7069053Antenna arrangement and method relating thereto
The present invention relates to an omnidirectional base station antenna arrangement with a number of antenna elements and a number of transceiver means for transmitting and receiving signals to/from a number of user stations. A feeding network is provided which com...
06/27/2006
7064632Microwave circuit
A microwave circuit comprises a printed circuit board (PCB) on which is fabricated a circuit including passive components such as filters (40) formed by printed conductive patterns. In order to enhance the performance of the circuit, selected components such ...
06/20/2006
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