Oscillators inventions 10/07

20070247242 - Quadrature voltage-controlled oscillator: A quadrature voltage-controlled oscillator comprises a first delay cell outputting first and second phase signals having a different phase; and a second delay cell outputting third and fourth phase signals having a different phase, the third and fourth phase signals crossing the first and second phase signals, respectively. The first... Agent: Lowe Hauptman Ham & Berner, LLP

20070247239 - Phase modulator: A modulator, comprising an input unit configured to receive a modulating signal, a control unit configured to provide a control signal on the basis of the modulating signal, an oscillating unit configured to provide a plurality of instances of at least two phase components of a carrier frequency signal, a... Agent: Squire, Sanders & Dempsey L.L.P.

20070247240 - Digitally controlled ring oscillator: A ring oscillator for generating an output signal, comprising a plurality of serially connected main elements for selectively delaying a signal input thereto, each of the plurality of main elements having two circuit paths, a first path including at least one time-delay element for delaying a signal input thereto and... Agent: Ostrolenk Faber Gerb & Soffen

20070247241 - Batch-fabricated, rf-interrogated, end transition, chip-scale atomic clock: A chip scale atomic clock is disclosed that provides a low power atomic time/frequency reference that employs direct RF-interrogation on an end-state transition. The atomic time/frequency reference includes an alkali vapor cell containing alkali atoms, preferably cesium atoms, flex circuits for physically supporting, heating, and thermally isolating the alkali vapor... Agent: Patent Docket Administrator Lowenstein Sandler P.C.

20070247233 - Fractional-n synthesizer system and method: A fractional-N synthesizer system including a plurality of fractional-N synthesizers all updated to simultaneously generate an output frequency from the same reference frequency, a phase locked loop having an output signal whose frequency is a fractional multiple of the input reference frequency; the phase locked loop including a frequency divider,... Agent: Iandiorio & Teska Intellectual Property Law Attorneys

20070247235 - Calibration techniques for phase-locked loop bandwidth: Various embodiments are disclosed relating to calibration techniques for a phase-locked loop (PLL) bandwidth. According to an example embodiment, a calibration technique may include calibrating a voltage-controlled oscillator (VCO) of a phase-locked loop (PLL) circuit, and calibrating a bandwidth of the PLL circuit based on the calibrating the VCO.... Agent: Brake Hughes Bellermann LLP

20070247234 - Method for mitigating single event effects in a phase locked loop: A method for operating a Phase Locked Loop (PLL) that mitigates radiation event influence on a phase signal. The method is implemented on a PLL having two loop filters. The first filter is a proportional (resistive) loop filter that is operated so that it scales and/or clips the influence out... Agent: Honeywell International Inc.

20070247236 - Phase-locked loop filter capacitance with a drag current: Phase-locked loop circuitry includes charge pump circuitry, loop filter circuitry, and drag current circuitry. The charge pump circuitry generates a charge pump current based on a phase of an input signal. The loop filter circuitry receives the charge pump current. The drag current circuitry generates a drag current to draw... Agent: Carr & Ferrell LLP

20070247238 - Apparatus and method for phase lock loop gain control: A gain compensator compensates for the gain variation of a varactor-tuned voltage tuned oscillator (VCO) in a phase lock loop (PLL). The VCO includes a parallel LC circuit having multiple fixed capacitors that can be switched-in or switched-out of the LC circuit according to a capacitor control signal to perform... Agent: Mcandrews Held & Malloy, Ltd

20070247237 - Technique for reducing capacitance of a switched capacitor array: A circuit reducing the capacitance of a switched capacitor array by mitigating switch capacitance. Reducing the effect of switch capacitance increases the frequency range of an inductor-capacitor tank containing the switched capacitor array. A pull-up circuit is coupled between a voltage source and a node. A switched capacitor and a... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20070247243 - Microwave oscillator tuned with a ferromagnetic thin film: A microwave tuned oscillator utilizing a ferromagnetic thin film resonator comprises: a) a microwave resonator (1) comprising a ferromagnetic thin film resonance plate (110) such as a disc-shaped YIG crystal placed on a microwave integrated circuit (11), such as a half-wavelength strip-line resonator, b) bias magnetic field means (12) for... Agent: Weingarten, Schurgin, Gagnebin & Lebovici LLP

20070247244 - Voltage-controlled oscillator: A voltage-controlled oscillator has a tuned circuit for controlling the oscillation frequency. The tuned circuit has a variable-capacitance element whose capacitance varies in response to a control voltage and a negative capacitance circuit whose impedance frequency characteristics have opposite characteristics to those of a normal capacitance, and which is connected... Agent: Birch Stewart Kolasch & Birch

20070247245 - Oscillator system having a plurality of microelectromechanical resonators and method of designing, controlling or operating same: There are many inventions described and illustrated herein. In one aspect, the present inventions relate to oscillator systems which employ a plurality of microelectromechanical resonating structures, and methods to control and/or operate same. The oscillator systems are configured to provide and/or generate one or more output signals having a predetermined... Agent: Patterson & Sheridan, L.L.P.

20070247246 - Oscillator system having a plurality of microelectromechanical resonators and method of designing, controlling or operating the same: There are many inventions described and illustrated herein. In one aspect, the present inventions relate to oscillator systems which employ a plurality of microelectromechanical resonating structures, and methods to control and/or operate same. The oscillator systems are configured to provide and/or generate one or more output signals having a predetermined... Agent: Neil A. Steinberg

20070247247 - High stability fast start up oscillator for implants: An oscillator for use within an implantable medical device is provided. The oscillator includes a resonator and a first switch coupled to a first resistive network. The first resistive network provides a first electrical path through the first switch and a second electrical path not going through the switch. The... Agent: Fish & Richardson P.C.

20070247248 - Controller for oscillator: An oscillator controller, has a phase frequency detector that compares a reference signal and a frequency-divided signal and outputs a phase difference signal; a charge pump that outputs a phase error signal according to the phase difference signal output from said phase frequency detector; a loop filter that filters the... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070247249 - Surface mount type temperature-compensated crystal oscillator: A temperature-compensated crystal oscillator for surface mounting wherein an IC chip into which is integrated a temperature-compensated device having an oscillating circuit and a temperature sensor, which supplies a compensation voltage to a variable-voltage capacitor element of the oscillating circuit, and which also has IC terminals disposed along two edges... Agent: Edwards Angell Palmer & Dodge LLP

20070247250 - Apparatus and method presenting a clock signal in response to receiving a drive signal: An apparatus presents a clock signal in response to receiving a drive signal. The clock signal has a clock amplitude established independent of the drive signal. The apparatus includes: (a) A drive section coupled for receiving the drive signal. The drive section presents the clock signal at a clock locus... Agent: Law Office Of Donald D. Mondul C/o Intellevate

20070247251 - Noise immunity circuitry for phase locked loops and delay locked loops: A clock circuit. The clock circuit includes a phase detector and an output unit. The phase detector is coupled to receive a reference clock signal and an output clock signal, and is configured to provide a phase signal indicative of a phase difference between the reference and output clock signals.... Agent: Mhkkg/sun

20070241824 - Method and apparatus for generating output signal: The oscillating signal generator utilizes a rising edge phase difference and a falling edge phase difference of the input signal and a feedback signal to generate a rising control signal and a falling control signal, and generates an output signal according to the rising control signal and the falling control... Agent: North America Intellectual Property Corporation

20070241823 - Rail-to-rail input voltage-controlled oscillating device: The present invention discloses a voltage-controlled oscillating apparatus to generate an oscillating signal. The voltage-controlled oscillating device includes: a regulating circuit, a biasing circuit, and an oscillator. In which the regulating circuit includes an amplifier, with a first input terminal coupled to a control voltage; and a voltage adjusting circuit,... Agent: North America Intellectual Property Corporation

20070241825 - Phase locked loop circuit: Phase locked loop circuit (PLL-circuit) comprising a phase comparator (30) for detecting a phase difference ΔΦ between an input reference signal Uref and an input signal Up,in, wherein Kp is a phase detector gain of said phase comparator, a voltage controlled oscillator (VCO) for generating a periodic output signal Uvco,out... Agent: Philips Electronics North America Corporation Intellectual Property & Standards

20070241826 - Oscillating circuit: An oscillating circuit includes N nodes outputting oscillating signals, a main loop circuit including N inverting circuits, and a plurality of auxiliary loop circuits. Each inverting circuit in the auxiliary loop circuits is connected in parallel with even numbers of inverting circuits cascaded in the main loop circuit. The circuits... Agent: Rader Fishman & Grauer PLLC

20070241828 - Dual mode quartz oscillation circuit: Provided is a dual mode quartz oscillator capable of suppressing a B mode interference securely and also accomplishing a stable third and fifth overtone oscillations. A dual mode quartz oscillation circuit, including a first oscillation unit for oscillating a third order overtone oscillation against a fundamental wave oscillation of a... Agent: Schwegman, Lundberg & Woessner, P.A.

20070241829 - Oscillation circuit: An oscillation circuit, including: a complementary metal oxide semiconductor (CMOS) inverter coupled between a first potential and a second potential; a first element unit whose one terminal is coupled to an input terminal of the CMOS inverter; a second element unit whose one terminal is coupled to the input terminal... Agent: Oliff & Berridge, PLC

20070241827 - Surface mount crystal oscillator: A crystal oscillator for surface-mounting on a circuit board comprises a package body which includes a bottom wall layer, and a frame wall layer having an opening and laminated on the bottom wall layer, where the opening defines a recess in the package body, a crystal blank contained in the... Agent: Knobbe Martens Olson & Bear LLP

20070241830 - Surface mount crystal oscillator and method of manufacturing same: A surface mount crystal oscillator comprises: a crystal unit having a crystal blank hermetically sealed in a package, and first external terminals formed on an outer bottom surface of the package; and a mounting substrate for containing an IC chip which has an oscillation circuit integrated therein, the oscillation circuit... Agent: Katten Muchin Rosenman LLP

20070241833 - Precision oscillator having improved temperature coefficient control: A free running clock circuit includes a switching circuit for switching between first and second logic states at a predetermined frequency based upon a trip voltage the switching circuit has a programmable temperature profile associated therewith. The switching circuit includes a comparator circuit that has first and second comparators. The... Agent: Howison & Arnott, L.l.p

20070241832 - Programmable precision oscillator: A free running clock circuit includes a switching circuit for switching between first and second logic states at a predetermined frequency based upon a trip voltage. The switching circuit has an inherent temperature profile associated therewith. A voltage divider circuit outputs a defined trip voltage that is compensated over the... Agent: Howison & Arnott, L.l.p

20070241831 - Supply voltage controlled voltage and temperature compensated oscillator: A FET oscillator with increased frequency stability. This is accomplished by using a controlled voltage supply with error correction to power the amplifier stage of the oscillator. This voltage changes as the oscillator temperature increases in order to reduce the variation in frequency, caused by the amplifier and other frequency... Agent: Fred Mirow

20070241834 - Frequency fine- tuning circuit and voltage-controlled oscillator including the same: A frequency fine-tuning circuit includes first and second varactors. The first varactor is coupled between a tuning node with a first tuning voltage applied thereon and a first node with a second tuning voltage applied thereon. The second varactor is coupled between the first node and a second node with... Agent: Law Office Of Monica H Choi

20070236297 - Semiconductor integrated circuit device for communication: A level converter level-converts an oscillation output signal of a reference frequency oscillator and supplies the level-converted signal to a phase comparator of a PLL/fractional synthesizer for controlling an oscillation frequency of an RF transmission voltage-controlled oscillator. The level converter includes a self-bias type voltage amplifier which amplifies a reference... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20070236298 - Voltage controlled oscillator circuit: A voltage controlled oscillator circuit includes a ring oscillator including a plurality of delay circuits that are connected like a ring and a voltage to current converter circuit for controlling current flowing in the ring oscillator so as to change an oscillation frequency thereof. The voltage to current converter circuit... Agent: Bingham Mccutchen LLP

20070236300 - Variable radiofrequency power source for an accelerator guide: An apparatus for use with an accelerator includes a circulator having a first port, a second port, a third port, and a fourth port, wherein the first port is configured to couple to a power generator, and the third port is configured to couple to an accelerator, a first phase... Agent: Varian Medical Systems Technologies, Inc. C/o Bingham Mccutchen LLP

20070236299 - Measuring microprocessor susceptibility to internal noise generation: A computer implemented method, testing system, computer usable program code, and apparatus are provided for measuring microprocessor susceptibility to internal noise A noise generator modulates a clock signal to generate noise on a targeted component within a microprocessor. A function generator executes microprocessor functions on a plurality of functional components... Agent: Ibm Corp (ya) C/o Yee & Associates PC

20070236302 - Output circuit for oscillator: The object of the present invention is to provide a crystal oscillator with one IC capable of effectively responding to specifications or a frequency of an installed set, an output terminal of the oscillator 1 is connected to an input terminal of the inverter 2, an output terminal of which... Agent: Mcdermott Will & Emery LLP

20070236301 - Inexpensive low phase noise high speed stabilized time base: A low phase noise high speed stabilized time base uses a crystal resonator that operates directly at a desired high frequency of one hundred to several hundred MHz. An inverted mesa AT-cut quartz crystal meets this criteria. To promote frequency stability the crystal and its oscillator circuit are thermally clamped... Agent: Verigy

20070229174 - Calibration loop, filter circuit and related method capable of automatically adjusting center frequency of a filter: A calibration loop includes an oscillator, an integrator, an amplitude comparator, and a working voltage adjuster. The oscillator is used for generating a reference clock signal. The integrator is coupled to the oscillator for generating an output amplitude according to the reference clock signal and a working voltage. The first... Agent: North America Intellectual Property Corporation

20070229173 - Improved current controlled oscillation device and method having wide frequency range: A current controlled, phase locked loop device includes a phase detector configured to compare a reference frequency to an output frequency of a current controlled oscillator (ICO), a charge pump coupled to the phase detector and a low pass filter coupled to the charge pump. A voltage to current (V... Agent: Cantor Colburn LLP-ibm Burlington

20070229175 - Phase lock loop circuit: The invention relates to an improved phase locked loop (PLL) circuit for preventing erroneous condition in the charge pump operation. The invention includes modification in the PLL circuitry by adding delay elements for connection between the phase frequency detector and the charge pump and a digital logic circuit for obtaining... Agent: Jenkens & Gilchrist, PC

20070229176 - Crystal oscillator: The present invention provides a constant temperature oven type crystal oscillator for reducing the difference of frequency stability caused by controlling the temperature in the oscillator when detecting the change of the outside-air temperature and controlling the amount of generated heat of a heat source provided in the oscillator.... Agent: Schwegman, Lundberg, Woessner & Kluth, P.A.

20070229177 - Surface mount crystal oscillator: A surface mount crystal oscillator has a package body having a recess and formed with a step on an inner wall of the recess, a flat base plate having a peripheral region secured to the step, a crystal blank secured to the flat base plate, an IC chip having an... Agent: Muirhead And Saturnelli, LLC

20070229178 - Surface mount crystal oscillator: A surface mount crystal oscillator comprises a package body having a first recess, a cover having a second recess, a crystal blank secured to an inner bottom surface of the second recess, and an IC chip secured to a bottom surface of the first recess. The IC chip has an... Agent: Muirhead And Saturnelli, LLC

20070229179 - Temperature correcting apparatus and voltage-controlled oscillation apparatus: A temperature correcting apparatus divides an actually measured waveform of correcting voltages, which are required at each of different temperatures, by a minimum resolution of D/A conversion; obtains voltage digital values representing voltage values at individual dividing points of the actually measured waveform, and obtains times corresponding to the voltage... Agent: Birch Stewart Kolasch & Birch