Oscillators inventions 07/07

20070170994 - Rapid cycling medical synchrotron and beam delivery system: A medical synchrotron which cycles rapidly in order to accelerate particles for delivery in a beam therapy system. The synchrotron generally includes a radiofrequency (RF) cavity for accelerating the particles as a beam and a plurality of combined function magnets arranged in a ring. Each of the combined function magnets... Agent: Brookhaven Science Associates/ Brookhaven National Laboratory

20070170995 - Plasma generating devices and methods for using the same: Aspects of the invention include plasma generating devices and systems thereof, as well as methods of using the same in plasma generation. Embodiments of the plasma generating devices include a resonator having a discharge gap and a ground plane disposed on opposing sides of a substrate; and a gas flow... Agent: Agilent Technologies Inc.

20070170996 - Plasma generating devices having alternative ground geometry and methods for using the same: Aspects of the invention include plasma generating devices having alternative ground geometries and systems thereof, as well as methods of using the same in plasma generation. The plasma generating devices of the invention include a resonator with a discharge gap disposed on a substrate and a ground element. Embodiments of... Agent: Agilent Technologies Inc.

20070164829 - Sigma-delta fractional-n pll with reduced frequency error: A sigma-delta fractional-N phase locked loop has faster lock time with increased charge pump current and decreased loop filter resistance in the unlock state. On the other hand, the sigma-delta fractional-N phase locked loop has lower noise susceptibility and lower frequency error with gradual decrease in charge pump current and... Agent: Law Office Of Monica H Choi

20070164827 - Circuit and method for controlling an oscillation loop: The circuit for controlling the oscillation frequency of an oscillation loop (66) has among others the following components—a first tunable capacitor unit (80) for providing a selectable amount of capacitance to the oscillator loop in accordance with a stored setting, and for controlling the oscillation frequency of the oscillator loop,... Agent: Philips Electronics North America Corporation Intellectual Property & Standards

20070164828 - Communication semiconductor integrated circuit device and a wireless communication system: In a communication semiconductor integrated circuit device using offset PLL architectures and including an oscillator circuit and a frequency divider circuit generating an intermediate frequency signal, the oscillator circuit includes an oscillator, a programmable frequency divider which frequency-divides the oscillation signal in accordance with frequency division information, a phase comparator... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20070164830 - Harmonic oscillator using transmission line resonator: A harmonic oscillator comprises a transmission line resonator in which an oscillation frequency depends on an electrical length of a transmission line and both ends of the transmission line are electrical open ends; an active element for oscillation as a negative resistance connecting to the transmission line resonator; an output... Agent: Muirhead And Saturnelli, LLC

20070164831 - Triple-input relaxation oscillator with differential controllability: There are provided relaxation oscillators and methods for controlling the same. A relaxation oscillator includes a load device, a switching device, a fine-tuning varactor, and a current source. The load device is configured to provide a variable oscillator output based on a variable input reference voltage. The switching device is... Agent: Keusey, Tutunjian & Bitetto, P.C.

20070164832 - Microcomputer: A microcomputer includes an oscillator for generating a clock signal having a frequency by using a CR circuit, a multiplier for outputting the clock signal having a multiplied frequency relative to the frequency generated by the oscillator based on data from an external source, a temperature detection unit for detecting... Agent: Posz Law Group, PLC

20070164833 - Varactor diode alternative circuit: A varactor diode alternative circuit having at least three varactor diodes that are in each case connected in series alternatingly opposite to one another and a resistor network and/or inductor network, which has the effect that at each of the varactor diodes, a control voltage supplied to the circuit for... Agent: Kenyon & Kenyon LLP

20070159259 - Frequency synthesizing apparatus and method having injection-locked quadrature vco in rf transceiver: A frequency synthesizing apparatus and method having an injection-locked quadrature VCO in an RF transceiver is provided. In the frequency synthesizer, an I signal following a frequency of a high frequency signal that is input using the injection-locked quadrature VCO and a Q signal thereof are simultaneously generated to have... Agent: Sughrue Mion, PLLC

20070159263 - Phase lock loop for rapid lock-in and method therefor: A phase-locked loop (PLL) for rapid lock-in applicable to digital, analog, or hybrid digital-analog PLL circuits is provided. Besides the units for basic operation, including a phase-frequency detector (PFD), a charge pump, a loop filter, and/or a voltage/current/digital-controlled oscillator (VCO/ICO/DCO), an additional lock-in actuator circuit is provided for providing lock-in... Agent: North America Intellectual Property Corporation

20070159264 - Phase-locked loop with adaptive bandwidth: In case that a frequency bandwidth of an output signal of a phase-locked loop (PLL) depends upon a current provided from a charge pump, a control current provided from a voltage-current (VI) converter, a resistance of a loop filter, a conversion constant of the VI converter and a reference frequency... Agent: Mills & Onello LLP

20070159260 - Pll frequency generator: A PLL frequency generator is disclosed for generating an output signal with a settable target frequency, comprising a) a voltage-controlled oscillator for generating the output signal, b) a switchable frequency divider, which is connected to the voltage-controlled oscillator and is designed to derive from the output signal a frequency-divided signal... Agent: Mcgrath, Geissler, Olds & Richardson, PLLC

20070159261 - Apparatus and method for operating a variable segment oscillator: This disclosure is directed to a communications device having a comparator that receives a signal associated with an output and produces a signal associated with a difference between a reference signal and the output signal. A loop filter is coupled to the comparator and accepts the difference signal. An oscillator... Agent: Mcdermott Will & Emery LLP

20070159262 - Current-mode gain-splitting dual-path vco: Techniques to effectively handle large voltage-controlled oscillator (VCO) gain are described. The techniques utilize (1) a slow high-gain path to provide an average control current that adjusts the center frequency of a VCO and (2) a fast low-gain path to provide an instantaneous control current that adjusts the VCO frequency... Agent: Qualcomm Incorporated

20070159265 - Apparatus, method and computer program product for tracking information in an electric grid: An apparatus for rapidly tracking fundamental frequency information in the signal of an electric grid is a cross-coupled phase-lock loop filter (CCPLL) that includes the use of a phase-lock-loop (PLL) apparatus having a plurality individual filters, wherein an input for a first filter in the plurality of individual filters comprises... Agent: Cantor Colburn, LLP

20070152766 - Frequency modulated output clock from a digital frequency/phase locked loop: A frequency modulated output of a Digital Locked Loop (DLL) is implemented with a Johnson Counter outputting a sample clock and a synchronized digital code at a multiple of the sample clock. The digital code drives a digital-to-analog converter to generate a frequency modulated control signal. The control signal is... Agent: Dillon & Yudell LLP

20070152764 - Delay unit of voltage control oscillator: A delay unit having a complementary architecture for use in a voltage control oscillator includes a first voltage control oscillating circuit and a second voltage control oscillating circuit. The first voltage control oscillating circuit includes a first gain circuit, a first current-source circuit coupled to the first gain circuit, and... Agent: Kirton And Mcconkie

20070152765 - Clock signal generating circuit: A clock signal generating circuit is provided. The clock signal generating circuit includes a clock signal generator and a filter circuit. The clock signal generator generates a clock signal of a predetermined frequency. The filter circuit is electronically connected to the clock signal generator to receive the clock signal. The... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang Jeffrey T. Knapp

20070152757 - Novel method of frequency synthesis for fast switching: A digital frequency synthesizer can be implemented with single source design, a multiplexer design, a fractional divider design, or a frequency multiplier and frequency divider design. Implementations can utilize a controller dithering circuit or a delta-sigma modulator. The frequency synthesizer can be implemented in a CMOS structure and can utilize... Agent: Foley & Lardner LLP

20070152758 - Pll frequency synthesizer: In a PLL frequency synthesizer outputting signals with different frequencies: voltage-controlled oscillators output the signals and have the oscillation frequencies controlled according to control voltages; a first switch selects one of the signals; a frequency divider generates a frequency-divided signal of the selected signal by use of a changeable frequency-division... Agent: Staas & Halsey LLP

20070152762 - Phase locked loop for controlling a recording device and method thereof: A PLL system for generating an output signal according to a first reference signal is disclosed. The PLL system includes a clock generator to generate the output signal according to a phase difference between the first reference signal and the frequency-divided signal; and a phase-shift detector for detecting a position... Agent: North America Intellectual Property Corporation

20070152759 - Phase-locked loop with tunable-transfer function: Embodiments of a phase-locked loop having a tunable-transfer function are presented herein.... Agent: Lee & Hayes, PLLC C/o Portfolioip

20070152760 - Self-biased phased-locked loop: In general, in one aspect, the disclosure describes a phase-locked loop circuit. The circuit includes an oscillator having a first control input, a second control input, and a third control input, wherein the first control input, the second control input, and the third control input act to control output frequency... Agent: RyderIPLaw C/o Portfolioip

20070152761 - Voltage controlled oscillator with variable control sensitivity: An embodiment of the invention provides an apparatus and method for varying a voltage controlled oscillator (VCO) sensitivity. A VCO has an oscillator portion coupled to a variable current supply. The variable current supply has one or more enabled variable current cells. The enable variable current cell input provides a... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20070152763 - Voltage controlled oscillator: Disclosed herein are embodiments of voltage controlled oscillator circuits with pseudo differential inverter stages.... Agent: Intel Corporation C/o Intellevate, LLC