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| Number | Title | Issue Date |
| 7551685 | Apparatus, methods and articles of manufacture for signal correction using adaptive phase re-alignment The invention is directed to a system for adaptively re-aligning a modulated output signal having an error component by generating a reference phase signal using a phase input signal; generating a sample phase signal from the output signal; comparing the reference a... | 06/23/2009 |
| 7545865 | Apparatus, methods and articles of manufacture for wideband signal processing An apparatus for electromagnetic processing comprises a modulator for generating one or more elements representative of an input signal; a divider controlled by the one or more elements and receiving an electromagnetic wave to generate a modified signal; a comparato... | 06/09/2009 |
| 7542736 | Techniques to decrease signal amplitude peak-to-average ratio in a wireless communications system Techniques to reduce signal amplitude peak-to-average ratio (PAR) in a wireless communications system are described. The apparatus may include a signal conditioning module to receive a baseband signal. The signal conditioning module may split the baseband signal alo... | 06/02/2009 |
| 7526260 | Apparatus, methods and articles of manufacture for linear signal modification Apparatus, method and article of manufacture are shown for linear signal modification. An input signal is modified by providing one or more non-linear current sources and regulating at least one of the one or more current sources to output a signal based on one or m... | 04/28/2009 |
| 7522730 | Universal microphone for secure radio communication A microphone unit comprising a voice input for receiving a voice input signal, an analog to digital converter for creating a digital signal from voice signal, a voice coding device for creating a voice coded signal output from the digital signal, encryption means fo... | 04/21/2009 |
| 7446693 | Phase domain analog to digital converter An analog to digital converter that first converts an analog input voltage into first and second periodic signals having a phase difference there between that is a function of the analog input voltage and then introduces the first periodic signal into a forward dire... | 11/04/2008 |
| 7436339 | Method and apparatus to emulate a filter using digital elements A system, apparatus, method and article to emulate a filter using digital elements are described. The apparatus may include a digital-to-analog converter having an impulse response emulator, the impulse response emulator to receive multiple digital signals each havi... | 10/14/2008 |
| 7411560 | Low profile antennas and devices An apparatus includes a monopole extending substantially along an axis that may be vertical. However, the monopole may have a loop portion that deviates from the axis. Further, the apparatus includes multiple conductive elements, each having a substantially linear f... | 08/12/2008 |
| 7409295 | Imminent-collision detection system and process A process of determining an imminent-collision between a vehicle and an object, said vehicle having a sensing system for obtaining one or more images representing at least one observed object within a field of detection, said process comprising: (a) obtaining one or... | 08/05/2008 |
| 7392021 | Apparatus, system, and method for measuring power delivered to a load Apparatus, system, and method including a circuit including an element having an electrical impedance, an input node to receive a signal, and an output node to couple to a load; a sensing circuit coupled to the input node and the output node to sense a differential ... | 06/24/2008 |
| 7352263 | Method and mechanism for tuning dielectric resonator circuits The invention comprises a technique and associated mechanisms by which dielectric resonator circuits, such as filters, can be tuned in both frequency, bandwidth or both without the need for irises, tuning screws and/or tuning plates. In accordance with the invention... | 04/01/2008 |
| 7336220 | Method and apparatus for equalizing broadband chirped signal In order to generate a signal for canceling a chirped signal, a transmitter generates a cancellation signal along with the transmitted signal, using a single term variable complex gain multiplier adapted to cancel the chirped signal only at its instantaneous frequen... | 02/26/2008 |
| 7313363 | Activation method for wireless communication system A method for determining an open or available channel from a plurality of predetermined channels for communication between a portable unit and a mobile repeater unit operating within the same wireless communication system. After an available channel has been selecte... | 12/25/2007 |
| 7307570 | Method and apparatus to emulate a filter A system, apparatus, method and article to emulate a filter are described. The apparatus may include a digital-to-analog converter having an impulse response emulator, the impulse response emulator to receive multiple digital signals each having a predetermined wave... | 12/11/2007 |
| 7281947 | Self-locking electrical connector A self-locking electrical connector is provided that includes a coupling nut and a locking sleeve positionable in one of a locked position and an unlocked position. At least a portion of the coupling nut is engaged by the locking sleeve when the locking sleeve is in... | 10/16/2007 |
| 7276996 | Slotted dielectric resonators and circuits with slotted dielectric resonators In accordance with the principles of the present invention, a resonator puck is provided with one or more vertical and/or horizontal, radial slits that improve the quality factor, Q, of circuits constructed from the resonators. In some embodiments of the invention, ... | 10/02/2007 |
| 7254195 | Apparatus, methods and articles of manufacture for dynamic differential delay correction The invention is directed to a system for dynamically correcting an electromagnetic wave by processing two or more aspects of the electromagnetic wave along two or more separate signal paths; comparing an expected value for at least one of the aspects of the electro... | 08/07/2007 |
| 7254186 | Electromagnetic wave transmitter, receiver and transceiver systems, methods and articles of manufacture The invention is directed to a system for processing an electromagnetic wave by receiving rectangular coordinate information for the electromagnetic wave; and directly converting the rectangular coordinate information into a magnitude signal, a sin(Φ), and a cos(Φ... | 08/07/2007 |
| 7253029 | Non-magnetic, hermetically-sealed micro device package A process for preparing an electronic package comprising: (a) providing a ceramic housing defining an internal cavity for receiving a micro device and having one or more interface portions; (b) treating the housing to form a tungsten layer on the interface portions;... | 08/07/2007 |
| 7221915 | Electromagnetic wave transmitter, receiver and transceiver systems, methods and articles of manufacture The invention relates to a system for electromagnetic processing of an input wave involving receiving a modified signal derived from two or more signals that represent the input wave when combined; and regulating the modified signal using at least one analog signal ... | 05/22/2007 |
| 7211887 | connection arrangement for micro lead frame plastic packages A connection arrangement for a micro lead frame plastic (MLP) package is provided that includes a paddle configured to be connected to a circuit board and a first ground pad and a second ground pad each connected to the paddle. The first and second ground pads toget... | 05/01/2007 |
| 7205836 | SiGe differential cascode amplifier with miller effect resonator A high-power, high frequency (1–100 GHz) power amplifier, made using SiGe transistors. A differential common-emitter amplifier section supplies the voltage amplification, allowing the total voltage swing of the amplifier to be twice the breakdown voltage of the in... | 04/17/2007 |
| 7203262 | Methods and apparatus for signal modification in a fractional-N phase locked loop system A phase locked loop includes a buffer that synchronizes the transmission of the new count value to the completion of the previous count to avoid errors caused by dithering. The buffer is connected to a count input of the counter and transmits the new count upon rece... | 04/10/2007 |
| 7199747 | Generating a fine time offset using a SiGe pulse generator A method and apparatus for generating short electronic pulses using a modified differential trigger that is partly an analogue sinusoidal voltage and partly a selectable, DC voltage. The differential trigger is applied to a differential base band pulse generator hav... | 04/03/2007 |
| 7193487 | Multilayer board switch matrix A multi-layer cross connect having high isolation between signal channels, the multi-layer cross connect comprising: (a) a multi-layer circuit board having a top and bottom orientation and comprising at least a bottom layer and one or more upper layers; (b) a plural... | 03/20/2007 |
| 7183881 | Cross-coupled dielectric resonator circuit A cross-coupled dielectric resonator circuit. Resonator circuits in accordance with the invention may be used to build low-loss compact filters, oscillators, and other circuits, particularly microwave circuits. The resonators are arranged relatively to each other wi... | 02/27/2007 |
| 7167104 | System and method to wirelessly communicate information between traffic control signs and vehicles A system and method to wirelessly communicate information between traffic control signs and vehicles are provided. The method includes wirelessly communicating traffic control information from a traffic control sign to a vehicle and wirelessly communicating vehicle ... | 01/23/2007 |
| 7148751 | Handset radiofrequency front end module in fine pitch quad flat no lead (FQFP-N) package An apparatus and method for transmitting signal, the apparatus comprising a front end telecommunications module including a power amplifier, a matching circuit coupled to the power amplifier, and a filter coupled to the matching circuit, such that a signal received ... | 12/12/2006 |
| 7145384 | Pulse length matched filter A receiver circuit including a differential amplifier and at least one common mode feedback circuit coupled to the differential amplifier for providing a control current to the differential amplifier for regulating a common mode voltage of the differential amplifier... | 12/05/2006 |
| 7129767 | Methods of manufacture for a low control voltage switch A low control voltage switch utilizing a plurality of field effect transistors (FETs) having a total of six gates to allow the switch to operate at a low control voltage without the need to increase device periphery or die size. Feed-forward capacitors connected bet... | 10/31/2006 |
| 6998935 | Switch matrix A switch matrix including a plurality of microstrip pairs arranged to form a grid and switches to couple the microstrip pairs where they cross. Each microstrip pair includes a first microstrip and a second microstrip for passing signals. The signals on the first and... | 02/14/2006 |
| 6987419 | Absorptive microwave single pole single throw switch A switch circuit including a first differential amplifier pair providing a portion of an isolation channel, a second differential amplifier pair providing a portion of a transmit channel, and a third differential amplifier pair providing a control bias for selecting... | 01/17/2006 |
| 6946717 | High voltage semiconductor device A compound semiconductor device is comprising a compound semiconductor substrate (219) having a ground plane (205); an active element (201) disposed on the substrate; a passive element (211) disposed on the substrate and electrically coup... | 09/20/2005 |
| 6937108 | Methods and apparatus for offset chirp modulation A method and apparatus for producing a modulation scheme usable in conjunction with information transmission and reception via waveforms, such as electromagnetic waves. The modulation scheme is usable for such purposes as resolving range ambiguities and overcoming f... | 08/30/2005 |
| 6930631 | Sensor front-end with phase coding capability A sensor front end for an electronic radar sensor is disclosed that provides for a lower parts count while providing technical functionality by using multifunction parts, i.e., parts that are used both in transmitting and receiving. The sensor front end includes a c... | 08/16/2005 |
| 6924699 | Apparatus, methods and articles of manufacture for digital modification in electromagnetic signal processing Apparatus, methods and articles of manufacture are disclosed for digital signal modification. Various wave characteristics of an electromagnetic wave may be modified according to desired values. Those values are provided to one or more current sources, wherein the o... | 08/02/2005 |
| 6919853 | Multi-band antenna using an electrically short cavity reflector A compact, aesthetically pleasing, multi-band antenna for use in conjunction with communication systems used in automotive applications, comprising a radiating element capable of operating in several frequency bands in combination with an electrically short reflecto... | 07/19/2005 |
| 6911934 | Apparatus, method and articles of manufacture for sequential lobing high resolution radar A sensor front end that is able to discriminate objects based on their range from the sensor and to derive bearing information therefrom. The sensor system may include a signal source for generating source signal; an antenna system for transmitting the source signal... | 06/28/2005 |
| 6903447 | Apparatus, methods and articles of manufacture for packaging an integrated circuit with internal matching An integrated circuit package houses and connects to a die to form an integrated circuit with internal matching. The package comprises a lead frame comprising at least one transmission line, a die paddle, and at least one input lead and at least one output lead. Bon... | 06/07/2005 |
| 6903619 | Electromagnetic wave transmitter systems, methods and articles of manufacture A transceiver and transmitter are shown. A baseband processor receives a signal for transmission. It converts the signal into amplitude and phase polar components. Each component is then processed—the phase component through a wideband phase modulator and the ampl... | 06/07/2005 |
