Oscillators inventions

20080106339 - Frequency agile phase locked loop: A circuit having a frequency controllable oscillator and a variable time delay circuit. The time delay circuit is fed by a signal produced by the oscillator, such time delay circuit being coupled to the oscillator to control the frequency of the signal produced by the oscillator. The circuit allows frequency... Agent: Raytheon Company C/o Daly, Crowley, Mofford & Durkee, LLP

20080106342 - Clock signal generation device, and wireless base station: A wireless base station (11) includes a wireless communication unit (17) and a clock signal generation unit (20). The clock signal generation unit (20) includes a voltage-controlled oscillation unit (21) that outputs a clock signal of an oscillating frequency according to an inputted control voltage, a time information generation unit... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080106343 - Multi-phase voltage-control oscillator: A multi-phase voltage-control oscillator including a first voltage-control oscillator circuit and a second voltage-control oscillator circuit is provided. The first voltage-control oscillator circuit includes a first LC tank and a first inductor assembly unit. The second voltage-control oscillator circuit includes a second LC tank and a second inductor assembly unit.... Agent: Jianq Chyun Intellectual Property Office

20080106345 - Voltage controlled oscillator with gain compensation: A voltage controlled oscillator includes at least one input port for receiving a control voltage and at least one voltage-to-current coupled to the input port for generating a control current in response to the control voltage. At least one current controlled oscillator generates an oscillating frequency output in response to... Agent: Howard Chen, Esq. Preston Gates & Ellis LLP

20080106340 - Frequency synthesizer and frequency calibration method: A frequency synthesizer capable of using a voltage controlled oscillator (VCO) with a low value of gain Kvco, having a short automatic frequency calibration time and automatically coping with environments and a frequency calibration method are provided. The frequency synthesizer includes a reference divider, a phase detector, a main divider,... Agent: Cantor Colburn, LLP

20080106341 - Phase locked loop, transceiver device and method for generating an oscillator signal: A phase locked loop has a controlled oscillator for outputting an oscillator signal depending on a control signal. A comparator generates a comparison result from a comparison between a reference frequency signal and a feedback signal derived from the oscillator signal. The phase locked loop also has a filter block... Agent: Thomas G. Eschweiler, Esq. Eschweiler & Associates LLC

20080106344 - Circuit arrangement for a gps system: A circuit arrangement, a system with at least one such circuit arrangement and a method for operating such a circuit arrangement is also provided. The circuit arrangement has at least two clock-controlled circuit sections and at least two oscillators that are designed to generate different clock frequencies. Switching means are... Agent: Muncy, Geissler, Olds & Lowe, PLLC

20080106346 - Oscillator comprising two one-port surface wave resonators: The invention relates to an oscillator containing two one-port surface wave resonators as frequency-determining elements. The aim of the invention is to modify known oscillators such that the variable /S21/ for the oscillator frequency, that is adapted according to the respective temperature, only slightly depends on the temperature. The inventive... Agent: Collard & Roe, P.c.

20080106347 - Crystal oscillator: There is disclosed a crystal oscillator in which when a base ground type crystal oscillation circuit is used, a temperature characteristic of an oscillation frequency is improved to omit a measurement operation of the temperature characteristic of the oscillator, and manufacturing is facilitated to reduce a manufacturing time. In the... Agent: Jacobson Holman PLLC

20080106348 - Temperature compensated crystal oscillator: The present invention relates to an integrated circuit for a temperature compensated crystal oscillator having an external crystal. The integrated circuit comprises a temperature compensation having one fixed or at least two selectable 3rd and/or 4th and/or 5th and/or higher order temperature compensation functions for at least one specific type... Agent: Oliff & Berridge, PLC

20080100384 - Multi-beam klystron apparatus: A multi-beam klystron apparatus is disclosed. A radio-frequency interaction unit pole piece is arranged between a main magnetic field generator and an output-side magnetic field generator. The magnetic circuit formed in the neighborhood of an output cavity of a radio-frequency interaction unit is separated from the magnetic circuit of the... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20080100385 - Loop system capable of auto-calibrating oscillating frequency range and related method: A loop system capable of auto-calibrating an oscillating frequency range includes a frequency error detector, a voltage controlled oscillator (VCO), a voltage input unit, and a switch. The frequency error detector includes a rotational frequency detector, a state machine, and an up-down counter. The rotational frequency detector is used for... Agent: North America Intellectual Property Corporation

20080100387 - Multiple frequency generator for quadrature amplitude modulated communications: Multiple carrier frequencies are provided from a phase locked loop, especially closely adjacent quadrature amplitude modulated subcarriers for multiplexed data communications. A quadrature voltage controlled oscillator (VCO) and cascaded frequency dividers provide feedback to a phase comparator to lock the VCO to a reference signal. In addition to frequency divider... Agent: Duane Morris LLPIPDepartment (agere)

20080100388 - Frequency-locking device and frequency-locking method thereof: A frequency-locking device including a digitally-controlled oscillator (DCO) and a comparing unit is disclosed. The DCO is used for generating an output frequency signal. The comparing unit receives a Keep Alive signal from a universal serial bus (USB) and the output frequency signal, and compares the Keep Alive signal with... Agent: Birch Stewart Kolasch & Birch

20080100386 - Phase/frequency detector, phase locked loop, method for phase/frequency detection and method for generating an oscillator signal: A phase/frequency detector has a modulo counter for outputting a counter word with a predetermined word length depending on an oscillator signal. In addition, a modulo integrator for outputting an integrator word with the predetermined word length as a function of integration of a channel word is provided. The phase/frequency... Agent: Eschweiler & Associates LLC

20080100389 - Comparator with self-biased reference voltage for an oscillator: A comparator with a fixed reference voltage (self bias) for an oscillator is disclosed. The comparator includes: a depletion MOS network to form a source current, wherein the gate and the source has a connection; and an enhanced MOS transistor, wherein the drain or the source connects with the depletion... Agent: Rosenberg, Klein & Lee

20080100390 - Amplitude controlled quartz oscillator with broad voltage and temperature range: The invention concerns an oscillator including an input terminal, an output terminal, a resonator, and an oscillator circuit including: first and second power supply terminals, two capacitors connected between the first power supply terminal and the input terminal, and respectively the output terminal of the oscillator; first and second active... Agent: Griffin & Szipl, PC

20080100391 - Resistor-capacitor oscillation circuit capable of adjusting oscillation frequency and method of the same: There is provided an RC oscillation circuit capable of adjusting an oscillation frequency, and an oscillation method thereof. The RC oscillation circuit including: an RC oscillator including a variable resistor and a variable capacitor, the RC oscillator generating an RC oscillating signal having a frequency determined by a resistance of... Agent: Lowe Hauptman Ham & Berner, LLP

20080100392 - Low-latency start-up for a monolithic clock generator and timing/frequency reference: An apparatus, system and method are provided for low-latency start-up of a free-running harmonic oscillator. The exemplary apparatus embodiment comprises a first and second current sources to generate first and second currents; a bias current monitor adapted to detect a magnitude of the second current and to provide a control... Agent: Gamburd Law Group LLC

20080094146 - Clock synthesizer with clock divider outside feedback loop and method thereof: A de-skew multiplier clock synthesizer with a clock divider outside the feedback loop of a PLL is provided. The clock synthesizer includes a phase locked loop (PLL), a clock divider, and a phase comparator. The PLL receives a reference clock and generates a PLL output clock. The clock divider receives... Agent: North America Intellectual Property Corporation

20080094147 - Method and apparatus for reducing non-montonic regions in a digitally controlled oscillator: The control word input to a Digitally Controlled Oscillator (DCO) is modified to reduce non-monotonic regions in the output response of the DCO. The DCO may be included in a Phase-Locked Loop (PLL) circuit for generating an output signal that locks onto either the phase or frequency of a reference... Agent: Coats & Bennett, PLLC

20080094144 - Fractional-n divider configurable as a polynomial function for real-time pll swept frequency applications: This invention adds a non-linear sweep accumulator to the conventional sigma-delta fractional-N divider to produce a N.F value that is a polynomial function of time. This allows any non-linear sweep profiles to be approximated.... Agent: Agilent Technologies Inc.

20080094145 - Hybrid phase-locked loop: A phase-locked loop (PLL) including a digital PFD, a digital loop filter, a decision circuit, a fractional-N PLL, and a frequency divider is provided. The digital PFD generates a first detection signal according to the phase error or frequency difference between an input signal and a feedback signal. The digital... Agent: North America Intellectual Property Corporation

20080094148 - Oscillation circuit: An oscillation circuit includes: an inverter circuit that is composed of at least one pair of transistors including an n-type transistor and a p-type transistor, the inverter circuit being formed in a single crystal semiconductor layer deposited on an insulator; a gate terminal capacitance whose one end is connected to... Agent: Oliff & Berridge, PLC

20080088378 - Phase locked loop having continuous bank calibration unit and method of preventing unlocking of pll: A phase locked loop (PLL) having a continuous bank calibration unit and a method of preventing unlocking of the PLL are provided. The PLL includes a main circuit, a voltage controlled oscillator (VCO), and a continuous bank calibration unit. The main circuit outputs a control voltage in response to an... Agent: Cantor Colburn, LLP

20080088379 - Current device and method for phase-locked loop: A current device capable of process, voltage and temperature compensation for phase-locked loop (PLL) is disclosed. The current device can adjust the central frequency of oscillation of a voltage-controlled oscillator (VCO), making a compensated central oscillating frequency not affected by all process, voltage and temperature (PVT) variations. Meanwhile, the VCO... Agent: Birch Stewart Kolasch & Birch

20080088380 - 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

20080088381 - Particle optics and waveguide apparatus: An apparatus for manipulating or modifying electromagnetic waves or electromagnetic waves or a beam of particles, eg atoms, ions, molecules or charged particles, the apparatus comprising a micro or nano electrical conductor crossbar network having multiple cross-over junctions that define respective scattering points for electromagnetic waves or the particles of... Agent: Foley And Lardner LLP Suite 500

20080088382 - Voltage controlled oscillator and its control method: An object of the present invention is to provide a voltage controlled oscillator in a microwave band without narrowing the variable frequency range and having improved phase noise characteristics. This invention is a voltage controlled oscillator in the microwave band which controls an oscillation frequency by a varactor diode, a... Agent: Sughrue Mion, PLLC

20080088383 - Crystal oscillator circuit: The output part of a power circuit with a temperature characteristic 31 is connected to the power voltage of a CMOS inverter-type oscillator circuit 4 including a crystal vibrator. The power circuit with a temperature characteristic 31 includes an amplifier 2, a diode 20 and a resistor 11. The output... Agent: Mcdermott Will & Emery LLP

20080088384 - Manufacturing method of tuning-fork type quartz crystal resonator: On a quartz crystal wafer, a metal film is formed on a quartz crystal substrate processed into a tuning-fork form by evaporation or sputtering, the metal film is patterned into desired electrode and wiring line shapes by photolithography/etching, and then a crotch portion 30 is irradiated with laser from a... Agent: Jacobson Holman PLLC