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Patent # Description
US-6,745,038 Intra-piconet location determination and tomography
A technique for intra-piconet location determination and tomography is described. This technique uses received signal strength indicator (RSSI) values in...
US-6,745,015 Method for automatic carrier suppression tuning of a wireless communication device
This invention is a method of carrier suppression tuning of a wireless communication device (100) utilizing a quadrature modulator (104) in a transmission path...
US-6,745,006 Communication system utilizing a constellation of satellites and method therefor
A communication system (20) utilizing a constellation (22) of satellites (24) is presented. A source ground station (52) transmits an uplink signal (34)...
US-6,744,890 Keypad module and electronic apparatus with keypad module
A keypad module for use with an electronic device has a first side with a first set of keys and a second side having a second set of keys, so that one set of...
US-6,744,740 Network protocol for wireless devices utilizing location information
A system and method for establishing a network within a plurality of interconnected and randomly geographically located nodes, such as wireless devices. One or...
US-6,744,663 Circuit and method for reading a toggle memory cell
A MRAM toggle type memory cell is read by first providing a first signal representative of the initial state to a sense amplifier (1300, 1500). A resistance of...
US-6,744,494 Continuously adjustable neutral density area filter
An apparatus for compensating light exposure on different, subsequently irradiated target areas (11, 12) in a photosensitive medium (2) on a semiconductor wafer...
US-6,744,316 Method and apparatus far reduction of distortion in a transmitter
A transmitter includes a feed forward amplifier that includes main signal path having a radio frequency (RF) power amplifier, a feed forward correction circuit,...
US-6,744,264 Testing circuit and method for MEMS sensor packaged with an integrated circuit
A MEMS sensor packaged with an integrated circuit includes switches and control circuitry. In a test mode, the control circuitry causes the switches to turn off...
US-6,744,117 High frequency semiconductor device and method of manufacture
A semiconductor device (10) having a gate (15), a source (19), and a drain (20) with a gate bus (25) and first ground shield (24) patterned from a first metal...
US-6,743,668 Process for forming a metal oxy-nitride dielectric layer by varying the flow rate of nitrogen into the chamber
The invention relates to a semiconductor device and the process of forming a metal oxy-nitride gate dielectric layer or a metal-silicon oxy-nitride gate...
US-6,743,543 Fuel cell using variable porosity gas diffusion material
A fuel cell (100) includes a membrane electrode assembly (110) located together with a layer of variable porosity porous gas diffusion material (150). The...
US-D490,786 Portable radio
US-6,741,874 Method and apparatus for reducing echo feedback in a communication system
A method and apparatus for reducing echo feedback in a wireless communication system (10) is accomplished when a receiving communication unit (24) senses a...
US-6,741,873 Background noise adaptable speaker phone for use in a mobile communication device
A mobile communication device (100) determines a background noise level at a microphone (104). If, after determining the noise floor, the input signal exceeds a...
US-6,741,857 Access method and apparatus for a wireless local loop telephone network
A fixed wireless terminal utilizes a method for accessing a wireless local loop (WLL) telephone network to provide both a diagnostic mode of operation and a...
US-6,741,844 Receiver for audio enhancement and method therefor
A receiver (10) includes an antenna (12), a preselector (14), an amplifier (16), a mixer (18), a filter (20), a signal strength measurement circuit (22), a radio...
US-6,741,842 System and method for frequency management in a communication device having a positioning device
A frequency management scheme for a hybrid cellular/GPS or other device generates a local clock signal for the communications portion of the device, using a...
US-6,741,840 RF transmitters with saturation detection and correction and methods therefor
Methods in radio communications devices having a transmitter with an integral control loop, and in other integral control systems, including generating a first...
US-6,741,554 Method and apparatus for reliably communicating information packets in a wireless communication network
A wireless communication network (100) employs a method and apparatus for reliably communicating information packets in the network. A first wireless device...
US-6,741,194 Methods and apparatus for detecting out-of-range signals in an analog-to-digital converter
An analog-to-digital (A/D) converter suitable for use with redundant signed digit (RSD) coverter stages is provided with an out-of-range (OOR) detection circuit....
US-6,740,824 Ground connector assembly with substrate strain relief and method of making same
A ground connector assembly (20) having a substrate (22) and a ground member (24). The substrate (22) is used to retain an electrical circuit and has a ground...
US-6,738,948 Iteration terminating using quality index criteria of turbo codes
A method of terminating iteration calculations in the decoding of a received convolutionally coded signal includes a first step of providing a turbo decoder with...
US-6,738,914 Method and apparatus for determining whether to wake up a system by detecting a status of a push button switch...
A communication system (100) includes a control unit (101) electronically coupled to a pushbutton switch (129). The control unit (101) includes a wake-up circuit...
US-6,738,902 Systems and methods for controlling authorized intercept
Authorized intercepts of communications in a communications system such as a satellite communications system (10) are controlled. Each law enforcement agency...
US-6,738,718 Method and apparatus for measuring torque and flux current in a synchronous motor
An apparatus (100) for measuring torque and flux current in an AC synchronous drive motor (108), having a shaft (110) magnetically coupled to an a-phase stator,...
US-6,738,650 Radiation shielding tri-band antenna adapted to provide dual band polarizations
A radiation shielding apparatus for a wireless communication device operable in at least two cellular frequency spectrums includes a multi-band antenna operably...
US-6,738,345 Method for failover management in a synchronous optical network using standard protocols
In synchronous optical communications network, a communications node (FIG. 1, 10) is in communications with a second communications node (12) and desires to fail...
US-6,738,303 Technique for sensing the state of a magneto-resistive random access memory
The state of a MRAM cell is detected when the magnetic tunnel junction (MTJ) of the MRAM cell has a reduced bias from the maximum voltage that is used for...
US-6,738,019 Apparatus and method for driving a sectored antenna
An apparatus for driving a sectored or multi beam antenna configuration and corresponding method of level loading amplifiers is suitable for use in a ...
US-6,737,929 Hybrid n+ and p+ gate-doped voltage variable capacitors to improve linear tuning range in voltage controlled...
A method for operating a wide band voltage controlled oscillator comprises using a control voltage to tune the capacitance of at least one hybrid n+ and p+...
US-6,737,592 Switch assembly for operating a device in different operational modes
A switch assembly (20) comprising of a base portion (22), a flexible pad (24), a paddle (26), and at least one button (28). The flexible pad (24) has a first...
US-6,737,205 Arrangement and method for transferring a pattern from a mask to a wafer
An arrangement for transferring a pattern from a mask (100) onto a wafer is provided. A product area (110) of the mask (100) is at least partly surrounded by a...
US-6,737,202 Method of fabricating a tiered structure using a multi-layered resist stack and use
An improved and novel method of forming a tiered structure, such as a T-gate structure, including the fabrication of a stabilized resist layer that provides for...
US-6,735,562 Method for estimating a confidence measure for a speech recognition system
A method of estimating a confidence measure for a speech recognition system, involves comparing an input speech signal with a number of predetermined models of...
US-6,735,537 Procedure for measuring the current in each phase of a three-phase device via single current sensor
A method for measuring the current in each phase of a three-phase motor (26) by the sensor (32), the motor (26) being controlled by a plurality of switching...
US-6,735,435 Method for providing entertainment to portable device based upon predetermined parameters
A unique method for providing entertainment to a portable device, such as a wireless communication device communicating with a host vehicle, is disclosed. The...
US-6,735,430 Musical telephone with near field communication capabilities
A group of electronic communications devices like cellular phones, for example, can be programmed with similar identification data and audible announcements....
US-6,735,419 High efficiency wideband linear wireless power amplifier
In a linear amplification system, an input signal is amplified to produce a substantially linear amplified output signal without causing significant ...
US-6,735,417 Method and apparatus for relaying information in an AD-HOC network
Mitigation of battery consumption will occur by prioritizing those units utilized for relay purposes. The prioritization scheme favors actively transmitting...
US-6,735,009 Electroptic device
Electrooptic devices (100, 600, 700) include a left handed (102, 708) and right handed (104, 710) cholesteric phase liquid crystal layers. Electrodes (120, 122,...
US-6,734,832 Antenna switching system for a mobile communication device
A mobile communication device has a radio contact (110) that has a moveable portion (111) that is located in correspondence with a contact pad (106) of a circuit...
US-6,734,762 MEMS resonators and method for manufacturing MEMS resonators
A first type of MEMS resonator adapted to be fabricated on a SOI wafer is provided. A second type of MEMS resonator that is fabricated using deep trench etching...
US-6,734,524 Electronic component and method of manufacturing same
An electronic component includes a semiconductor substrate (110), an epitaxial semiconductor layer (120, 221, 222) over the semiconductor substrate, and a...
US-6,733,919 Battery spacer and circuit board mounting apparatus
This invention includes a spacer for a rechargeable battery pack. The spacer is hermaphroditic in that it may be rotated by 180 degrees and attached to itself....
US-6,732,855 Conveying element and conveyor means for conveying wafer receptacles, and method
A conveyor element (10) for conveying wafer receptacles between a conveyor (12) and a loading station (11) of a manufacturing system in the semiconductor...
US-6,732,567 Multilayered ceramic micro-gas chromatograph and method for making the same
A micro-gas chromatograph column is formed by texturing a channel into a plurality of green-sheet layers, which are then sintered together to form a...
US-D489,699 Communication device
US-D489,697 Housing for communication devices or similar articles
US-6,732,321 Method, apparatus, and article of manufacture for error detection and channel management in a communication system
A weighting device utilizes soft reliability values and class weighting factors to detect errors in digitized information. The soft reliability values can be...
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