Oscillators inventions 07/09

20090189698 - Pll circuit: The present invention relates to a phase locked loop arrangement having an oscillator circuit (240) controlled in response to an output signal of a phase or frequency detection circuit (210), wherein change control means (130) are provided for generating a blocking signal in response to the outputs of a first... Agent: Nxp, B.v. Nxp Intellectual Property Department

20090189699 - Fixed bandwidth lo-gen: A local oscillation generator (LO-GEN) maintains a fixed bandwidth using a gain calibration module that compensates for variations in the voltage controlled oscillation (VCO) gain based on the oscillation frequency. During an open loop calibration of the LO-GEN, the gain calibration module adjusts the charge pump current to compensate for... Agent: Garlick Harrison & Markison

20090189700 - Frequency synthesizer: A frequency synthesizer includes first and second frequency dividers for receiving and frequency-dividing a signal generated by a voltage-controlled oscillator, a frequency mixer for mixing output signals of the first and second frequency dividers, and a third frequency divider for receiving and frequency-dividing a signal having one frequency of two... Agent: Mcginn Intellectual Property Law Group, PLLC

20090189701 - Single-ended to differential translator to control current starved delay cell bias: A method, system, and circuit device for interfacing single-ended charge pump output to differential voltage controlled oscillator (VCO) inputs to yield low duty cycle distortion from a VCO. A single-ended charge pump output is utilized to create a compliment differential voltage leg, while optimally centering the common-mode voltage level to... Agent: Dillon & Yudell LLP

20090189702 - Circuit and method for detecting a voltage change: A circuit arrangement for detecting voltage changes, comprising supply terminals configured to apply a first potential and a second potential, a first oscillator and a second oscillator, which are operated with the first potential and the second potential, a voltage dependence of the frequency of the first oscillator differing from... Agent: Dickstein Shapiro LLP

20090189703 - Circuits and design structures for monitoring nbti (negative bias temperature instability) effect and/or pbti (positive bias temperature instability) effect: A ring oscillator has an odd number of NOR-gates greater than or equal to three, each with first and second input terminals, a voltage supply terminal, and an output terminal. The first input terminals of all the NOR-gates are interconnected, and each of the NOR-gates has its output terminal connected... Agent: Ryan, Mason & Lewis, LLP

20090189704 - Voltage controlled oscillator with multi-tap inductor: According to one exemplary embodiment, a voltage controlled oscillator configured to operate in low and high band modes includes a low band section and a high band section. The voltage controlled oscillator further includes a multi-tap inductor having a high inductance portion coupled to the low band section and a... Agent: Farjami & Farjami LLP

20090189705 - Crystal oscillator for surface mounting: A crystal oscillator includes an oscillator circuit, a main body, a first switching circuit, a second switching circuit, and a voltage detecting circuit. The oscillator circuit includes an IC chip including an output circuit and a function circuit. The crystal element includes a first excitation electrode and a second excitation... Agent: Carrier Blackman And Associates

20090189706 - Inductance-switchable dual-band voltage controlled oscillation circuit: An inductance-switchable dual-band voltage-controlled oscillation circuit is proposed, which is designed for integration to a high-frequency signal processing system, such as an ultra-wideband (UWB) circuit system, for providing a dual-band voltage-controlled oscillating signal generating function. The proposed voltage-controlled oscillation circuit is characterized by the use of a switchable inductance circuit... Agent: Pearne & Gordon LLP

20090184773 - Hybrid pll combining fractional-n & integer-n modes of differing bandwidths: A single-loop PLL that operates in a narrower-bandwidth, integer-N mode during phase lock and in a wider-bandwidth, fractional-N mode during transient. This hybrid PLL simultaneously achieves the fast-locking advantage of the fractional-N PLL and design simplicity of the integer-N PLL. The frequency division mode switching facilitates a digital protocol to... Agent: Wolf Greenfield & Sacks, P.C.

20090184771 - Systems and methods for reducing flicker noise in an oscillator: Various systems and methods for implementing dynamic logic are disclosed herein. For example, some embodiments of the present invention provide LC tank circuits having an inductance and a capacitance. In addition, the circuits include a flicker noise reducing switch that is operable to selectively incorporate the capacitance such that an... Agent: Texas Instruments Incorporated

20090184772 - Aging compensation method and control module for an oscillator circuit device: An aging compensation method for an oscillator circuit device, in which the oscillator circuit device receives a control voltage from an application end, and outputs a clock signal with a predetermined frequency in response to the control voltage, includes the steps of: a) inspecting the control voltage from the application... Agent: Mcnees Wallace & Nurick LLC

20090184774 - Transistor voltage-controlled oscillator: A transistor voltage-controlled oscillator includes a cross-coupled LC-tank transistor voltage-controlled oscillating circuit composed of two transistors, a capacitor set, and a first transformer inductor having a first inductor coil and a second inductor coil coupled to the first inductor coil; and a second transformer inductor having a third inductor coil... Agent: Law Offices Of Mikio Ishimaru

20090184775 - Oscillation drive device: An oscillation drive device includes an oscillating unit that includes attaching portions on either sides thereof, the attaching portions being arranged on an oscillation axis; a base that includes an oscillating fulcrum that supports the oscillating unit on the oscillation axis and supporting portions that firmly support the oscillating unit;... Agent: Birch Stewart Kolasch & Birch

20090184776 - Oscillator device and tramsmitter module using same: An oscillator device includes a resonator including a coil and a capacitor connected to the coil in parallel; and an oscillator connected to the resonator. Electric waves are emitted from the coil to at least one receiving antenna of the receiver while the oscillator device changes position and direction over... Agent: Scully Scott Murphy & Presser, PC

20090184777 - Method and apparatus for generating oscillating signals: An apparatus for generating an oscillating signal that includes a circuit to accelerate the time in which an oscillating signal reaches a defined steady-state condition from a cold start. The apparatus includes an oscillating circuit to generate an oscillating signal; a first circuit to supply a first current to the... Agent: Qualcomm Incorporated

20090179707 - Signal processing circuit, signal processing method, and playback apparatus: A signal processing circuit includes a feedback control loop that includes a loop filter and that detects the difference between a target value and a control value to control the difference so that the difference has a predetermined value. A closed loop formed in the feedback control loop is expressed... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090179708 - Phase lock oscillator and wireless communications device including phase lock oscillator: A phase locked oscillator includes a voltage control oscillator and a phase comparator for detecting a phase difference between a phase of an output signal of the voltage control oscillator and a phase of a reference signal and controlling a voltage to be applied to the voltage control oscillator based... Agent: Fujitsu Patent Center C/o Cpa Global

20090174491 - Mixed-mode pll: A mixed-mode PLL is disclosed. The mixed-mode PLL comprises an analog phase correction path and a digital frequency correction path. The analog phase correction path comprises a linear phase correction unit (LPCU). The digital frequency correction path comprises a digital integral path circuit.... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20090174490 - Phase locked loop with adaptive filter for dco synchronization: A digital phase locked loop has a digital controlled oscillator, a feedback loop coupled to the output of said digital controlled oscillator, a phase detector for comparing a feedback signal from said feedback loop with a reference signal to produce a phase error signal, and a low pass filter for... Agent: Marks & Clerk

20090174492 - Phase-locked loop with self-correcting phase-to-digital transfer function: A phase-locked loop includes a phase-to-digital converter portion as well as a novel correction portion. The phase-to-digital converter (PDC) portion outputs a stream of first phase error words. The novel correction portion receives the first phase error words and generates a stream of second phase error words that is supplied... Agent: Qualcomm Incorporated

20090174486 - Low power frequency division and local oscillator generation: A plurality of inverters are arranged serially to form a ring oscillator and coupled to receive a reference clock signal. The reference clock signal is used to switch the inverters on and off so that not all of the inverters are on at a same time. The ring oscillator circuit... Agent: Garlick Harrison & Markison

20090174487 - Voltage-control oscillator circuits with combined mos and bipolar device: A voltage controlled oscillator includes: a first merged device having a first bipolar transistor and a first MOS transistor, the first bipolar transistor having a collector sharing a common active area with a source/drain of the first MOS transistor, and an emitter sharing the common active area with another source/drain... Agent: K & L Gates LLP

20090174488 - Oscillation module: An oscillation module is provided with an OCXO, an amplifier, and a noise elimination filter. The noise elimination filter includes: a BPF passing a signal in the main signal band and eliminating far noise with respect to the main signal band; an L-BEF eliminating near noise in a low frequency... Agent: Jacobson Holman PLLC

20090174489 - Atomic oscillator: An atomic oscillator that controls an oscillation frequency by using an optical absorption property derived from a quantum interference effect occurring when two kinds of resonance light are made incident as coherent light having different wavelengths from each other, includes an optical system that includes: a gas cell sealing metal... Agent: Harness, Dickey & Pierce, P.L.C

20090174493 - Adjustable inductor and wideband voltage controlled oscillator: An adjustable inductor includes a first conductor line to receive an alternating current (AC) signal, a second conductor line configured in a loop arrangement, to generate an inducting current upon receiving the AC signal at the first conductor line, and a switch to adjust an inductance of the first conductor... Agent: Mcneely Bodendorf LLP

20090167441 - Injection locking clock generator and clock synchronization circuit using the same: An injection locking clock generator can vary the free running frequency of an injection locking oscillator to broaden an operating frequency range of an oscillation signal injected to itself, thereby performing an injection locking with respect to all frequencies of an operating frequency range. The clock generator includes a main... Agent: Blakely Sokoloff Taylor & Zafman LLP

20090167442 - Low noise wide range voltage-controlled oscillator with transistor feedback: An integrated circuit, a voltage controlled oscillator (VCO) and a phase-locked loop (PLL). In one embodiment, the VCO includes: (1) a voltage tune line configured to receive a tuning voltage for the VCO and (2) an odd number of ring-coupled delay elements. Each of the delay elements includes: (2A) an... Agent: Texas Instruments Incorporated

20090167443 - Digitally compensated highly stable holdover clock generation techniques using adaptive filtering: A system and method for generating a highly stable holdover clock utilizing an integrated circuit and an external OCXO is presented. The integrated circuit comprises an input reference clock receiver, a phase and frequency detector that generates an error signal between the input reference clock signal and a feedback clock... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090167444 - Inductor and capacitor-based clock generator and timing/frequency reference: In various embodiments, the invention provides a clock generator and/or a timing and frequency reference comprising an LC oscillator with a frequency controller to control and provide a stable resonant frequency. Such stability is provided over variations in a selected parameter such as temperature and fabrication process variations. The various... Agent: Gamburd Law Group LLC

20090167445 - Ring oscillators for nmos and pmos source to drain leakage and gate leakage: A ring oscillator circuit using only NMOS or only PMOS transistors is described. The ring oscillator circuit uses the equivalent of three transistors to form an oscillator stage, which may be a main component to the ring oscillator: A load transistor, an enable transistor, and a switch transistor. A source... Agent: Intel/bstz Blakely Sokoloff Taylor & Zafman LLP

20090167446 - Voltage controlled ring oscillator: There is provided a voltage controlled ring oscillator having a plurality of ring-connected amplifiers (401), and a plurality of variable capacitance elements (502a, 502b) being respectively connected to the plurality of amplifiers and having capacitances varied by a voltage control. A plurality of load resistors (402) and a plurality of... Agent: Arent Fox LLP

20090167447 - System and method for providing temperature correction in a crystal oscillator: A system and method for providing temperature compensation in a oscillator component (such as a crystal oscillator component) that includes a closely-located temperature sensing device. The crystal oscillator component in example systems and methods is exposed to a temperature profile during a calibration procedure. Temperature and frequency data are collected... Agent: The Eclipse Group LLP

20090167448 - Surface-mount type crystal oscillator: A surface-mount type crystal oscillator comprises: a crystal blank; an IC chip on which at least an oscillation circuit using the crystal blank is integrated; a container that accommodates the crystal blank and the IC chip; a pair of inspection terminals provided on an outer surface of the container and... Agent: Knobbe Martens Olson & Bear LLP

20090167449 - Wireless power transfer using magneto mechanical systems: Wireless power transfer is received using a magneto mechanical system. Movement of the magneto mechanical system is converted to electric power.... Agent: Law Office Of Scott C Harris Inc

20090167450 - Oscillating current converter: [Means for Solution] An oscillating current converter 1 fabricated by using the MEMS technology and comprising a cantilever 4 having an opening 5 formed on the distal end side thereof and is cantilevered on the proximal end side thereof, a coil 6 wound around the opening 5 of the cantilever... Agent: Bruce L. Adams, Esq Adams & Wilks

20090167451 - Frequency controller for a monolithic clock generator and timing/frequency reference: In various embodiments, the invention provides a frequency controller to control and provide a stable resonant frequency of a clock generator and/or a timing and frequency reference. Such stability is provided over variations in a selected parameter such as temperature and fabrication process variations. The various apparatus embodiments include a... Agent: Gamburd Law Group LLC