Oscillators inventions 11/07

20070273450 - Method and an apparatus to sense supply voltage: A method and an apparatus to sense supply voltage have been disclosed. In one embodiment, the apparatus includes a resistor having a first end and a second end, the first end coupled to a voltage supply and a ring oscillator sensor coupled between the second end of the resistor and... Agent: Blakely Sokoloff Taylor & Zafman

20070273451 - Ring oscillator circuit: A ring oscillator circuit includes a ring of cascade-coupled delay stages and is controlled by a plurality of multiplexers. A feedback circuit has an input terminal coupled to an output terminal of the ring oscillator circuit. The ring oscillator circuit receives a control word and provides a clock signal on... Agent: Hogan & Hartson LLP

20070273452 - Triangular-wave generating apparatus incorporating capacitor: In a triangular-wave generating apparatus including an output terminal adapted to output an output voltage, an incorporated capacitor connected to the output terminal, a first variable current source adapted to charge the incorporated capacitor and a second variable current source adapted to discharge the incorporated capacitor, a charging/discharging current setting... Agent: Mcginn Intellectual Property Law Group, PLLC

20070273453 - Low power, temperature and frequency, tunable, on-chip clock generator: A tunable, low power clock generator employs a voltage regulator, one or current generators and a variable resistor bank that, together, produce a control voltage for trimming a VCO. The control voltage is arranged to also compensate, at least, for the variables of temperature, supply voltage and fabrication processes as... Agent: Cesari And Mckenna, LLP

20070268080 - Oscillator circuit generating oscillating signal having stable cycle: An oscillator circuit includes a capacitor, a first constant current source electrically couplable to an end of the capacitor, a second constant current source electrically couplable to the end of the capacitor, a control circuit coupled to the end of the capacitor, a first reference potential, and a second reference... Agent: Arent Fox LLP

20070268077 - Radio frequency coil arrangement for magnetic resonance measurements and probe head for measuring resonance signals by utilizing such a radio frequency coil arrangement: A radio frequency coil arrangement for magnetic resonance measurements as well as a probe head for measuring resonance signals by utilizing such a radio frequency arrangement are disclosed. The radio frequency coil arrangement comprises a scroll coil having a stripe being spirally wound about a longitudinal axis, and having ends... Agent: Law Offices Of Paul E. Kudirka

20070268078 - Crystal oscillator device capable of maintaining constant temperature condition: A crystal oscillator device includes a package housing having conductive coupling seats disposed fixedly in a vacuum chamber thereof, and conductive contacts exposed outwardly of the package housing. Each conductive coupling seat is connected electrically to a corresponding conductive contact. A circuit board is disposed in the vacuum chamber, and... Agent: Davidson Berquist Jackson & Gowdey LLP

20070268075 - Quadrature vco system and method: A low-power quadrature generator is provided for accurately generating in-phase signals and quadrature signals.... Agent: Carr & Ferrell LLP

20070268076 - Apparatus and method for phase lock gain control using unit current sources: 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

20070268079 - Temperature compensated oven controlled crystal oscillator: A method provides a temperature controlled frequency source. The method reduces the effects of temperature variations on an operating frequency of the temperature controlled frequency source by temperature compensating the temperature controlled frequency source.... Agent: Bainwood Huang & Associates LLC

20070268081 - Oscillator circuit: The invention provides an oscillator circuit that reduces the dependence of an oscillation frequency on a power supply voltage. A charging and discharging circuit is a circuit switchable between an initializing operation setting an initial voltage for discharge and a discharging operation, and outputs a clock when the discharge is... Agent: Morrison & Foerster LLP

20070268082 - Oscillation circuit: An oscillation circuits includes an oscillation unit 30 for generating an internal clock signal having an amplitude of vibration corresponding to an internal power supply voltage thereof, switches 28, 29, a NMOS 13 of a tolerant input circuit, a first-stage driver 15, and a coupling capacitance 27. The switches 28,... Agent: Nixon Peabody, LLP

20070268083 - Systems and methods for multi-range clock generation: Various systems and methods for clock generation are disclosed herein. As just one example, a system for clock generation is disclosed that includes a phase/frequency control circuit that provides a feedback control; a multi-range selector circuit that receives the feedback control; and a controlled oscillator that provides an output with... Agent: Hamilton And Desanctis

20070268084 - Frequency synthesizer and oscillation control method of frequency synthesizer: The present invention provides a frequency synthesizer capable of switching an oscillation frequency band while maintaining a lock state realized with a small-scale and low-current-consumption circuit configuration, and an oscillation control method of the frequency synthesizer. A frequency synthesizer having an oscillation control circuit capable of switching an oscillation frequency... Agent: Arent Fox LLP

20070262822 - Digitally controlled oscillator with jitter shaping capability: A digitally controlled oscillator (DCO) generating an output clock includes a jitter shaping module for shifting low frequency digital jitter on the output clock into higher frequency jitter.... Agent: Marks & Clerk

20070262824 - Clock anomaly detection circuit and clock anomaly detection method: A clock anomaly detection circuit includes: a dividing unit configured to output a divided target clock by dividing frequency of a target clock; a first time width measurement unit configured to obtain values of the divided target clock using rising edges of a monitoring clock that is synchronized with the... Agent: Staas & Halsey LLP

20070262823 - System and method for synchronizing multiple oscillators: A system and method for synchronizing an oscillator with multiple phases at a desired phase angle difference. A relative measure of a phase angle difference between two phases permits each phase to be controlled to obtain the desired phase angle difference. The various phases may have different inherent frequencies that... Agent: Texas Instruments Incorporated

20070262826 - Clock with regulated duty cycle and frequency: A power-supply-independent clock, with controlled THigh and TLow that permits both frequency and duty cycle to be set simultaneously and independently. Depending upon the implementation, the control values can be varied for frequency and duty cycle as determined by the user, or can be dependent upon temperature, power supply variations,... Agent: James E. Eakin

20070262825 - Embedded structure circuit for vco and regulator: An oscillation circuit formed in a single semiconductor chip, wherein a first source voltage is supplied to a first power supply terminal, a second source voltage different from the first source voltage is supplied to a second power supply terminal, a voltage regulator receives the voltage from the first power... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20070257735 - High frequency divider with input-sensitivity compensation: A frequency divider, which has a cross-coupled inductor-capacitor (LC) structure or a ring structure, is inputted with a direct current (DC) control voltage from an input terminal. By doing so, the frequency divider can adjust an oscillation frequency; and further compensate the input power sensitivity, lower the power consumption and... Agent: Troxell Law Office PLLC Suite 1404

20070257736 - Regeneration device for rotary traveling wave oscillator: An oscillator is described. The oscillator includes segments of two-conductor transmission line being connected together by an odd number of connection means to form a closed loop. A plurality of current switches is connected to the conductors of the segments and a high impedance element, such as an inductor or... Agent: Dechert LLP

20070257737 - Device for ultra wide band frequency generating: Devices (1) for exchanging ultra wide band signals comprise frequency translating stages (20,30) for frequency translating signals and oscillating stages (40) for supplying main inphase/quadrature oscillation signals to the frequency translating stages (20,30). By providing the oscillating stages (40) with polyphase filters (43,44) for reducing harmonics in oscillation signals, the... Agent: Philips Intellectual Property & Standards

20070257739 - Local plane array incorporating ultra-small resonant structures: A focal plane array electromagnetic radiation detector includes an array of micro-electromagnetic resonant detector cells. Each micro-electromagnetic resonant detector cell may include an ultra-small resonant structure for receiving an electromagnetic wave and adapted to angularly modulate a charged particle beam in response to receiving an electromagnetic wave. Each micro-electromagnetic detector... Agent: Davidson Berquist Jackson & Gowdey LLP

20070257738 - Top metal layer shield for ultra-small resonant structures: When using micro-resonant structures which are being excited and caused to resonate by use of a charged particle beam, whether as emitters or receivers, especially in a chip or circuit board environment, it is important to prevent the charged particle beam from coupling to or affecting other structures or layers... Agent: Davidson Berquist Jackson & Gowdey LLP

20070257740 - Microelectromechanical multi-stage oscillator: Embodiments of an oscillator circuit are described. Embodiments described herein include an oscillator circuit suitable for a resonator with relatively high motional impedance, thus requiring relatively high amplification and having relatively high sensitivity to noise. However, the embodiments described are not intended to be limited to use with any particular... Agent: Patterson & Sheridan, L.L.P.

20070257741 - Electronic apparatus: An electronic apparatus comprises at least one quartz crystal oscillator comprised of a quartz crystal oscillating circuit having a quartz crystal resonator, an amplifier, at least one resistor, and capacitors. The quartz crystal resonator comprises a quartz crystal tuning fork resonator having a quartz crystal tuning fork base, quartz crystal... Agent: Bruce L. Adams, Esq.

20070257742 - Source coupled differential complementary colpitts oscillator: A source coupled differential complementary Colpitts oscillator is described, which enables a differential oscillation and also can improve phase noise performance by source-coupling a complementary Colpitts oscillator using an inductor. A differential complementary Colpitts oscillator includes: a plurality of complementary Colpitts oscillators and a source coupler which couples a source... Agent: Sughrue Mion, PLLC

20070252654 - Frequency modulator: A frequency modulator is provided for generating an output signal with a frequency that is a function of a modulation signal, wherein the modulation signal can assume N≧2 different discrete modulation values, and a predetermined frequency value of the output signal is associated with each modulation value, containing: a) a... Agent: Mcgrath, Geissler, Olds & Richardson, PLLC

20070252653 - Oscillation controlling apparatus, recording medium having program recorded thereon, and channel selecting apparatus: An oscillation controlling apparatus configured to control an oscillation frequency of an oscillation circuit to be a target frequency comprises a frequency acquiring unit configured to acquire a plurality of oscillation frequencies of the oscillation circuit for a plurality of values of control signals by outputting the plurality of control... Agent: SocalIPLaw Group LLP

20070252655 - Surface mount crystal oscillator: A surface mount crystal oscillator comprises: a crystal blank; an IC chip in which at least an oscillator circuit using the crystal blank is integrated; a mounting substrate having one main surface on which the crystal blank is disposed, and the other main surface used to mounting the crystal oscillator... Agent: Knobbe Martens Olson & Bear LLP

20070252656 - Variable loop gain oscillator system: A system for comparing, measuring, or providing a reference signal based on a oscillator having variable loop gain is described. Only when the oscillator loop gain is at least the value of one does the oscillator produce an AC output signal. The oscillator's ability to oscillate is controlled by the... Agent: Fred Mirow