Oscillators inventions 08/07

20070200637 - Pll circuit and semiconductor device: A PLL circuit has a phase comparator to receive an input signal and a feedback signal, a charge pump controlled by an output of the phase comparator, a lowpass filter part to receive an output of the charge pump, a current controlled oscillator controlled by an output of the lowpass... Agent: Arent Fox PLLC

20070200633 - Synchronous switching control circuit for power converters: The present invention provides a synchronous switching control circuit for variable switching frequency power converters. It comprises a first circuit to generate a first signal in response to an input synchronous signal of a power converter. A second circuit is coupled to the first circuit to generate a second signal... Agent: Rosenberg, Klein & Lee

20070200638 - All digital phase locked loop system and method: An all digital PLL system generates an analog oscillator signal at intermediate frequencies to achieve averaged oscillator frequencies at an extremely high frequency resolution. The PLL system includes a digitally controlled oscillator (10) with a digital control input and an analog signal output, and a feedback loop with a digital... Agent: Texas Instruments Incorporated

20070200639 - Device and method for adjusting loop filter gain in automatic frequency controller: Provided is a device and a method for adjusting a loop filter gain in an automatic frequency controller, which can allow the automatic frequency controller to operate while maintaining an optimal performance. The device includes a velocity estimator for estimating a change in velocity in accordance with a movement of... Agent: The Farrell Law Firm, P.C.

20070200634 - Frequency divider monitor of phase lock loop: A circuit and method for monitoring a frequency divider. The circuit including a phase locked loop circuit including a voltage controlled oscillator and a feedback frequency divider, an output of the voltage controlled oscillator connected to an input of the feedback frequency divider, and output of the feedback frequency divider... Agent: Schmeiser, Olsen & Watts

20070200635 - Methods and apparatus for compensating a variable oscillator for process, voltage, and temperature variations using a replica oscillator: Circuits and methods for compensating a variable oscillator for process and/or operational variations. The circuit generally comprises (a) a replica oscillator, (b) a counter configured to count pulses of the replica oscillator and to produce a count signal, and (c) a compensation circuit configured to provide an adjustment signal to... Agent: Epson Research And Development Inc Intellectual Property Dept

20070200636 - Power supply noise insensitive charge pump, loop filter, vco control, and vco: An oscillating circuit includes a charge pump, a loop filter and a voltage controlled oscillator. The charge pump and the loop filter generates a differential voltage signal. The loop filter is responsive to the differential voltage signal and generates a filtered differential voltage control signal that is proportional to the... Agent: Robert R. Williams Dept. 917

20070200640 - System and method for mitigating phase pulling in a mulitple frequency source system: A method for mitigating phase pulling in multiple frequency source system includes generating a first signal, the first signal referred to as an existing signal operating at an existing frequency point, the existing signal having a predefined pulling bandwidth around the existing frequency point. A request is received to generate... Agent: Clifford B. Perry

20070200641 - System and method for multiple-phase clock generation: A multiple phase clock circuit includes a multiple stage voltage controlled oscillator (VCO) and multiple clock dividers. The VCO is operative at a frequency ‘N’ times higher than the required output frequency and generates ‘M’ equally spaced outputs having different phases but same frequency which are sent to multiple clock... Agent: Hogan & Hartson LLP

20070200642 - Clock translator and parallel to serial converter: A system and method for using one or more clock signals is disclosed. The system includes a clock translator that has a first input to receive a first reference clock signal and a second input to receive a second reference clock signal. The clock translator also includes an output to... Agent: Toler Schaffer, LLP

20070200643 - Method for modulating an atomic clock signal with coherent population trapping and corresponding atomic clock: Method for modulating an atomic clock signal and a corresponding atomic clock. The laser beams (L1, L2) are pulse-modulated in amplitude to illuminate (A) an interactive medium. A detection (B) of the current pulse (Sr) and of the pulses (Sr−1 to Sr−p) preceding said current impulsion is performed. The pulses... Agent: Young & Thompson

20070200644 - System of detecting tire information: A system of detecting tire information includes a measured value transmitter that includes a first resonator with a pressure sensor and a second resonator without the pressure sensor, which are mounted in a tire of a vehicle. Also includes is a controller that is provided in the body of the... Agent: Brinks Hofer Gilson & Lione

20070194857 - Angular rate sensor featuring mechanically decoupled oscillation modes: The invention relates to an angular rate sensor for detecting a rotation. Said sensor comprises the following components: a substrate, at least one oscillating element that can be excited so as to oscillate rotationally or radially, an anchor structure, one or several detecting elements, one or several joining elements that... Agent: Gosz And Partners, LLP

20070188243 - Frequency tuning range extension and modulation resolution enhancement of a digitally controlled oscillator: A novel apparatus and method of extending the frequency tuning range and improving the modulation resolution of an RF digitally controlled oscillator (DCO). In addition to the coarse PVT MIM varactor bank, the DCO uses a single unified bank of varactors that is further subdivided divided into an MSB bank,... Agent: Texas Instruments Incorporated

20070188244 - Harmonic characterization and correction of device mismatch: A novel apparatus for and method of harmonic characterization and ratio correction of device mismatch between coarse and fine varactor tuning devices within a segmented unified varactor bank of a radio frequency (RF) digitally controlled oscillator (DCO). The DCO uses a single unified bank of varactors that is divided into... Agent: Texas Instruments Incorporated

20070188252 - Detection device for detecting oscillator: A detection device for detecting an oscillator is provided. The detection device includes an oscillator control circuit, a frequency-decreasing circuit and a display circuit. The oscillator control circuit is used for outputting the oscillator signal of the oscillator. The frequency-decreasing circuit is connected to the output of the oscillator control... Agent: Jianq Chyun Intellectual Property Office

20070188241 - Oscillator array, and synchronization method of the same: Signals outputted from oscillators (1-1, 1-2, . . . , 1-n) are in phase with signals as reflected by band elimination filters (3-1, 3-2, . . . , 3-n) at elimination frequencies of the band elimination filters (3-1, 3-2, . . . , 3-n), while they are in opposite phase... Agent: Young & Thompson

20070188245 - Calibrating an oscillator and corresponding calibration device: A method of calibrating an oscillator in order to compensate the dispersions generated, on the one hand, during the process of fabricating the oscillator circuit components and, on the other hand, by variations of operating conditions by modifying the parameters of a resonant component, for example a capacitor or an... Agent: Docket Clerk

20070188246 - Oscillator operable in various frequencies: An oscillator operable in various frequencies includes an oscillation unit generating a sine wave having a predetermined oscillation frequency, a feedback unit feeding the sine wave back to the oscillation unit, and a frequency control unit controlling an operating frequency of the feedback unit by controlling an amount of current... Agent: Mills & Onello LLP

20070188242 - Phase locked loop for stably operating in a matter that is insensitive to variation in process, voltage and temperature and method of operating the same: A phase locked loop for stably operating in a matter that is insensitive to variation in PVT and a method of operating the same. The PLL according to the present invention includes a PFD, a charge pump circuit, a loop filter, a VCO, and a peak voltage detector. The PFD... Agent: Mayer, Brown, Rowe & Maw LLP

20070188249 - Programmable capacitors and methods of using the same: In a first aspect, a first method of adjusting capacitance of a semiconductor device is provided. The first method includes the steps of (1) providing a transistor including a dielectric material having a dielectric constant of about 3.9 to about 25, wherein the transistor is adapted to operate in a... Agent: Ibm Corporation Intellectual Property Law Dept. 917

20070188248 - Quadrature oscillator with simplified amplitude, phase and frequency control: An oscillator circuit providing quadrature outputs and enabling instantaneous control over phase, frequency and amplitude of the output waveforms is disclosed. In one embodiment, the oscillator circuit comprises an oscillation loop, at least one capacitor switching circuit coupled to the oscillation loop, and a synchronization signal having an output coupled... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20070188247 - Resonance mode selection using a resonator-synchronized second-order oscillator: A resonator-synchronized oscillator for resonance mode selection is disclosed. In one embodiment, the resonator-synchronized oscillator comprises an oscillation loop, at least one capacitor switching circuit coupled to the oscillation loop, and a multi-mode resonator having an output coupled to the at least one capacitor switching circuit. The output signal of... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20070188250 - Ultra low power cmos oscillator for low frequency clock generation: An ultra low power relaxation CMOS oscillator for low frequency clock generation comprises a current source and a pair of capacitors that are alternatingly charged by the current source and discharged by thyristor-based inverters being used as comparators. No separate bias currents are needed.... Agent: Texas Instruments Incorporated

20070188251 - Semiconductor device: According to the present invention, there is provided a semiconductor device including: a phase locked loop circuit having, a phase frequency detector which receives a reference signal and a frequency-divided signal, and outputs a phase difference detection signal by performing phase comparison, a charge pump which receives the phase difference... Agent: Amin, Turocy & Calvin, LLP

20070188253 - Crystal oscillator emulator: An integrated circuit comprises a microelectromechanical (MEMS) resonator circuit that generates a reference frequency. A temperature sensor senses a temperature of the integrated circuit. Memory stores calibration parameters and selects at least one of the calibration parameters as a function of the sensed temperature. A phase locked loop module receives... Agent: Harness, Dickey & Pierce P.L.C

20070188254 - Crystal oscillator emulator: A crystal oscillator emulator integrated circuit comprises a first temperature sensor that senses a first temperature of the integrated circuit. Memory stores calibration parameters and selects at least one of the calibration parameters based on the first temperature. A semiconductor oscillator generates an output signal having a frequency that is... Agent: Harness, Dickey & Pierce P.L.C

20070188255 - Oscillator gain equalization: A controlled oscillator generates an output signal having a frequency that is controllable by an input signal. The oscillator includes a switchable variable capacitor arrangement for tuning an output frequency of the controlled oscillator; and circuitry that, in combination with the switchable variable capacitor arrangement, generates an oscillating signal whose... Agent: Potomac Patent Group, PLLC

20070188256 - High gain, high frequency cmos oscillator circuit and method: An oscillator amplifier circuit is provided. The amplifier circuit can be used with a resonator to amplify and form a resonating oscillator. The amplifier circuit comprises an active circuit which includes an inverter and a current-controlled biasing circuit. One transistor of the inverter receives a voltage produced from the biasing... Agent: Daffer Mcdaniel LLP

20070182493 - Oscillator, pll oscillator, radio apparatus: An oscillator includes a plurality of oscillating units connected in parallel with each other, and a control unit which controls the number of parallel connections of the plurality of oscillating units based on an instruction signal indicating accuracy to be tolerated with respect to oscillation outputs of the oscillating units.... Agent: Amin, Turocy & Calvin, LLP

20070182498 - Electromagnetic wave generating device: An electromagnetic wave generating device includes: a hollow annular vacuum chamber; an electron gun; an electromagnet configured with a pair of discoid combinations in which a cylindrical accelerating magnet pole and an annular focusing magnet pole are arranged in this order from the inner side to the outer side of... Agent: Buchanan, Ingersoll & Rooney PC

20070182492 - Circuits and methods for phase locked loop lock window detection: Circuits and methods for detecting the lock status of a phase locked loop (PLL). The circuit generally comprises (a) a controller configured to produce a control signal in response to a reference clock signal, (b) a counter configured to count pulses of an output signal of the PLL (or a... Agent: Epson Research And Development Inc Intellectual Property Dept

20070182494 - Methods for auto-calibration and fast tuning of voltage controlled oscillators in phase-lock loops: The present invention provides novel methods for the calibration and fast tuning of VCOs in PLLs. Information for coarse tuning before normal operation are calculated and stored. Therefore, these methods decrease significantly the time needed for a PLL to transition from one frequency to another. These methods include the steps... Agent: Emil Chang Law Offices Of Emil Chang

20070182495 - Oscillator systems and methods: Systems and methods are disclosed herein to provide improved oscillator techniques. For example, in accordance with an embodiment of the present invention, an oscillator includes at least a first current source to generate at least a first current for capacitors that provide input signals for corresponding comparators. The comparators compare... Agent: Macpherson Kwok Chen & Heid LLP

20070182496 - Built-in self test method for a digitally controlled crystal oscillator: A novel testing mechanism operative to test large capacitor arrays such as those used in a digitally controlled crystal oscillator (DCXO). The invention is adapted for use in DCXO circuits that employ dynamic element matching in their array decoding circuits. The invention combines the use of DEM during regular operation... Agent: Texas Instruments Incorporated

20070182497 - Electronic oscillators having a plurality of phased outputs and such oscillators with phase-setting and phase-reversal capability: Disclosed are multiphase oscillators comprising a plurality of delay stages serially coupled in a loop by a plurality of nodes, with the loop being folded to provide two concentric rings of delay stages with equal numbers of allocated nodes. A second plurality of negative-resistance elements are provided, each element having... Agent: Sheppard, Mullin, Richter & Hampton LLP

20070182499 - Oscillation circuit: A first comparator outputs a first signal indicative that a voltage determined according to the amount of charge stored in a first capacitor has reached a first reference voltage. A second comparator outputs a second signal indicative that a voltage determined according to the amount of charge stored in a... Agent: Mcdermott Will & Emery LLP

20070182500 - Crystal oscillator emulator: An integrated circuit comprises a microelectromechanical (MEMS) resonator circuit that generates a reference frequency and that includes a semiconductor oscillator that generates resonator drive signal having a drive frequency and a MEMS resonator that receives the resonator drive signal. A temperature sensor senses a temperature of the integrated circuit. Memory... Agent: Harness, Dickey & Pierce P.L.C

20070182502 - Push-push voltage controlled oscillator for obtaining differential signals: Disclosed herein is a push-push voltage controlled oscillator, including an LC resonance unit for determining a fundamental oscillation frequency; a first negative resistance generation means connected to the LC resonance unit and configured to generate negative resistance and deliver an output signal to a first common source terminal; a first... Agent: Sheridan Ross PC

20070182501 - Radar oscillator: A radar oscillator has an oscillation unit and first and second switch circuits to intermittently output an oscillation signal depending on a pulse signal representing a transmission timing of a transmitting radar signal without causing leakage. The first switch circuit turns off an electric power supply to an amplifier in... Agent: Frishauf, Holtz, Goodman & Chick, PC

20070182503 - Oscillator having low phase noise: An oscillator for minimizing phase noise is configured with a transistor coupled to a first reference voltage source, a differential transistor pair comprising first and second voltage followers coupled between a second reference voltage source and the transistor, and a reactive network coupled between control electrodes of the first and... Agent: Mcdermott Will & Emery LLP

20070176689 - Power supply apparatus and high frequency circuit system: A power supply apparatus for supplying predetermined supply voltages respectively to an anode electrode, a cathode electrode, a collector electrode, and a helix of an electron tube. The power supply apparatus comprises an anode switch for turning on/off the anode voltage output, and an anode switch control circuit for controlling... Agent: Sughrue Mion, PLLC

20070176693 - Clock distribution system and method thereof: A clock distribution circuit and a method thereof. The clock distribution circuit comprises a comparator, a filter, a scaling unit, and an oscillator. The comparator compares a reference signal and a feedback signal to generate an error signal. The filter is coupled to the comparator and outputs a filtered signal... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070176692 - Clock signal generating circuit: A clock signal generating circuit is provided. The clock signal generating circuit includes a clock signal generator for generating a first clock signal having a predetermined frequency; a frequency dividing circuit receiving the first clock signal, for providing a second clock signal with a frequency that is lower than the... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang Jeffrey T. Knapp

20070176690 - Crystal oscillator emulator: A crystal oscillator emulator integrated circuit, comprises a first temperature sensor that senses a first temperature of the integrated circuit; memory that stores calibration parameters and that selects at least one of the calibration parameters based on the first temperature; a semiconductor oscillator that generates an output signal having a... Agent: Harness, Dickey & Pierce P.L.C

20070176691 - Expanded pull range for a voltage controlled clock synthesizer: A technique provides a clock source that meets accuracy requirements, allows the use of a low cost resonator, provides a wide range of output frequencies, and provides suitable phase noise performance. The technique generates a clock signal having a target output frequency using a controllable oscillator having at least one... Agent: Zagorin O'brien Graham LLP

20070176694 - Phase-locked loop using continuously auto-tuned inductor-capacitor voltage controlled oscillator: Improved voltage controlled oscillator circuits and phase-locked loop circuits are disclosed. For example, a voltage controlled oscillator circuit comprises a first linear amplifier, the first linear amplifier generating a coarse-tuning voltage from an input voltage, a second linear amplifier, the second linear amplifier generating a fine-tuning voltage from the input... Agent: Ryan, Mason & Lewis, LLP

20070176695 - Oscillator circuit and test apparatus: An oscillator circuit that generates an oscillation signal is provided. The oscillator circuit includes an oscillator that generates the oscillation signal based on positive feedback of a signal, a synchronization signal generating section that generates a compulsory synchronization signal having an edge that (i) crosses a zero cross point at... Agent: Osha Liang L.L.P.

20070176697 - Controllable oscillator with output oscillation adjustment and method for producing an output oscillation for use therewith: A controllable oscillator includes an output oscillation adjust module operably coupled to an oscillator for producing an effective output oscillation based on an oscillation control signal. The output oscillation adjust module includes an output select block that produces the effective output oscillation from a sequence of selected taps from the... Agent: Garlick Harrison & Markison

20070176696 - Programmable oscillators for high frequency clock generation for simulation environments: A method and programmable oscillator model are provided for implementing high frequency clock generation for a simulation environment. The programmable oscillator model includes an internal ring oscillator for generating a high frequency clock. The internal ring oscillator counts a number of clocks and determines when to switch the reference clock.... Agent: Ibm Corporation RochesterIPLaw Dept 917

20070176698 - Device for generation of a reference frequency and corresponding electronic circuit: A device for generation of a reference frequency includes a component configured for generating a reference voltage, and a slaving circuit configured for slaving the reference frequency to the reference voltage.... Agent: Westman Champlin & Kelly, P.A.

20070176699 - Particle beam accelerator: A particle beam generator has a vacuum chamber, a magnet which generates a constant magnetic field in the vacuum chamber, acceleration electrodes which generates a magnetic field in a direction perpendicular to the direction of the magnetic field generated by the magnet in the vacuum chamber, a take-out electrode which... Agent: Birch Stewart Kolasch & Birch

20070176700 - Solid-state high-power oscillators: Embodiments of High-Power Millimeter-Wave Oscillators are generally described herein. Other embodiments may be described and claimed. In some embodiments, the oscillator includes a polarized partial reflector to at least partially reflect back signals to a reflection array amplifier to help induce oscillation by individual sub-array amplifier elements of the reflection... Agent: Thomas J. Finn, Esq. Raytheon Company, Eo/e04/n119

20070176701 - Parametric resonator and filter using the same: A resonator includes a vibrator that performs mechanical vibration, an exciting unit that applies an exciting force to the vibrator, and a modulating unit that modulates a spring property of the vibrator. The vibrator vibrates when the exciting force is applied to the vibrator from the exciting unit. The modulating... Agent: Pearne & Gordon LLP

20070176702 - Quartz oscillator manufacturing method and quartz oscillator: The method comprises a quartz crystal etching step S1 of processing a quartz oscillating piece into a predetermined shape by etching, an electrode membrane forming step S2 of forming an electrode on the quartz oscillating piece, a quartz crystal mounting step S3 of mounting the quartz oscillating piece in an... Agent: Kanesaka Berner And Partners LLP

20070176703 - Receiver with colpitts differential oscillator, colpitts quadrature oscillator, and common-gate low noise amplifier: Embodiments of the present invention include a common-gate amplifier having an input terminal and an output terminal, a transistor having a source, a drain, and a gate, four inductors, and two capacitors, and a negative amplification circuitry. The negative amplification circuitry has an input terminal to receive an RF signal.... Agent: Blakely Sokoloff Taylor & Zafman

20070176704 - Reduced eddy current loss in lc tank circuits: Placing inductors or resistors in parallel causes the combined value of inductance or resistance to decrease according to the parallel combination rule. This invention decreases the parasitic resistance of an inductor by placing several inductors in parallel. Furthermore, by careful placement of these inductors, the mutual inductance between these inductors... Agent: Thaddeus Gabara

20070176705 - Crystal oscillator emulator: A crystal oscillator emulator integrated circuit comprises a first temperature sensor that senses a first temperature of the integrated circuit. Memory stores calibration parameters and selects at least one of the calibration parameters based on the first temperature. A semiconductor oscillator generates an output signal having a frequency, which is... Agent: Harness, Dickey & Pierce P.L.C