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Oscillators March listing by industry category 03/10

Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application.
03/25/2010 > patent applications in patent subcategories.

20100073093 - Automatic frequency compensation for pulse width modulated rf level control: Preferred embodiments of the present invention provide systems and methods that automatically correct the desired on-time of switching elements as the resonant frequency changes, so as to maintain the correct proportional value.... Agent: Rothwell, Figg, Ernst & Manbeck, P.C.

20100073094 - Techniques for generating fractional clock signals: A circuit includes phase detection circuitry, a clock signal generation circuit, a first frequency divider, and a second frequency divider. The phase detection circuitry compares an input clock signal to a feedback signal to generate a control signal. The clock signal generation circuit generates a periodic output signal in response... Agent: Steven J. Cahill/ Altera Corp.

20100073095 - Frequency synthesizer and radio transmitting apparatus: A frequency synthesizer (100) can selectively set an output band of VCO, and consumes less power. The frequency synthesizer (100) has a frequency converting circuit (110) that has a mixer (111) and a frequency divider (112) connected with each other in parallel. The frequency synthesizer (100) uses the frequency divider... Agent: Dickinson Wright PLLC James E. Ledbetter, Esq.

20100073096 - Micro electro-mechanical system based programmable frequency synthesizer and method of operation thereof: A frequency synthesizer and a method of synthesizing an output signal. In one embodiment, the frequency synthesizer includes: (1) a substrate, (2) a resonator located on the substrate and comprising a micro electromechanical system device and a feedback amplifier coupled thereto, (3) a phase-locked loop located on the substrate and... Agent: Texas Instruments Incorporated

20100073101 - Low-noise voltage controlled oscillator: A low-noise voltage controlled oscillator is provided, to improve a phase noise characteristic and widen a frequency variable range. The low-noise voltage controlled oscillator is configured so that an oscillation element and a capacitor 2 are connected in series between a collector C and an emitter E of a transistor... Agent: Jacobson Holman PLLC

20100073097 - Oscillator, oscillator implementations and method of generating an oscillating signal: One embodiment of the oscillator includes a first starved inverter and a second starved inverter. An inner inverter of the second starved inverter is cross-coupled to an inner inverter of the first starved inverter. The oscillator further includes a first inverter connected to output of the inner inverter of the... Agent: Harness, Dickey & Pierce, P.L.C

20100073098 - Constant-temperature type crystal oscillator: A constant-temperature type crystal oscillator includes: a crystal unit including a case main body, in which two crystal terminals and two dummy terminals are provided on an outer bottom face thereof, and a crystal element housed in the case main body; an oscillator output circuit including an oscillating stage and... Agent: Carrier Blackman And Associates

20100073099 - Stabilization network and a semiconductor device having the stabilization network: A stabilization network and a semiconductor device having the stabilization network wherein the stabilization network includes an active element having a negative resistance accompanying a high frequency negative resistance oscillation; and a tank circuit composed of a resistance connected to a main electrode of the active element, an inductance and... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20100073100 - Method and arrangement for a voltage controlled oscillator circuit: In a voltage controlled oscillator circuit comprising two transistors, the first terminals of each said two transistors, are coupled together and to a supply voltage, two interconnected resonator units, and each of said two resonator units couples a respective second terminal of said two transistors to third terminals of both... Agent: Ericsson Inc.

03/18/2010 > patent applications in patent subcategories.

20100066456 - Clock reproducing apparatus: A clock reproducing apparatus includes a clock reproducing circuit having: a gated oscillator having an oscillating circuit of two routes; and a frequency control circuit for comparing a phase of an output of the gated oscillator with a phase of a reference clock, and supplying a phase control signal to... Agent: Sughrue-265550

20100066455 - Sigma delta digital to analog converter with wide output range and improved linearity: A sigma delta DAC using a single DAC to generate a first analog quantity portion and a second analog quantity portion, having a strength respectively proportionate to the most significant bits (MSBs) and least significant bits (LSBs) of a received digital value. The two portions are added to generate an... Agent: Texas Instruments Incorporated

20100066457 - Low-power relaxation oscillator: The low-power relaxation oscillator comprises a first module (21) having a ramp generator formed by a reference current source (31) and a storage capacitor (32) defining a ramp voltage (Vramp1), and a voltage comparator (m1, m2) for comparing the ramp voltage with a reference voltage, a second module (22, 41,... Agent: Griffin & Szipl, PC

20100066458 - Oscillator and driving circuit and oscillation method thereof: An oscillator, a driving circuit and an oscillation method are provided. The driving circuit and a crystal are coupled in parallel to generate a clock signal. The driving circuit includes a buffer unit and a control unit. The buffer unit is coupled in parallel to the crystal, and used to... Agent: J C Patents

03/11/2010 > patent applications in patent subcategories.

20100060368 - Active yig oscillator driving device and driving method thereof: An active YIG oscillator driving device is comprised of: an YIG oscillator including a main coil, an FM coil, a frequency generator operating to generate an output frequency in response to a magnetic field generated from the FM coil; a phase locker setting the output frequency to a target frequency... Agent: Rabin & Berdo, PC

20100060365 - Oscillation frequency control circuit: To provide a highly stable oscillation frequency control circuit wherein the frequency thereof is corrected, an adequate range of the input levels of external reference signals is determined in accordance with temperature characteristics in detecting the external reference signal, and the control voltage to a VCO is controlled within and... Agent: Jacobson Holman PLLC

20100060364 - Programmable voltage-controlled oscillator: The invention discloses a programmable voltage-controlled oscillator. The programmable voltage-controlled oscillator has an output frequency. The programmable voltage-controlled oscillator includes a control unit, a current selector, a current mirror unit, an oscillator module, and a one-time-programming component. The one-time-programming component is used for providing a programmable code. The current selector... Agent: Patterson & Sheridan, LLP - - - Iptec

20100060366 - Two-step vco calibration method: The present invention discloses a two-step VCO calibration method. The two-step VCO calibration method, comprising power-on calibration, used to provide a coarse VCO tuning; real-time calibration, real-time calibration, used to provide a fine VCO tuning according to the loaded result of said power-on calibration. The two-step VCO calibration method according... Agent: Muncy, Geissler, Olds & Lowe, PLLC

20100060367 - Crystal oscillator for surface mounting: The crystal oscillator for surface mounting includes: a container body having first and second recesses on both principal surfaces thereof; a crystal blank hermetically encapsulated within the first recess; and an IC chip in which an oscillation circuit using the crystal blank is integrated, the IC chip being accommodated within... Agent: Knobbe Martens Olson & Bear LLP

20100060369 - Oscillation circuit based on metal-insulator transition device and method of driving the oscillation circuit: Provided are an oscillatory circuit based on a metal-insulator transition (MIT) device that can generate a simple and very high oscillating frequency using the MIT device, and a method of driving the oscillatory circuit. The oscillatory circuit includes the MIT device that comprises an MIT thin film and an electrode... Agent: Rabin & Berdo, PC

20100060370 - Voltage-controlled oscillator: A voltage-controlled oscillator comprises a variable inductor, a negative impedance circuit, an operating voltage source and a ground point. The variable inductor comprises a transformer and a transistor switch, the transformer comprising a primary side coil and a secondary side coil, the primary side coil comprising a first coil and... Agent: Pearne & Gordon LLP

20100060371 - Voltage/current regulator system using constant loop gain: A system for providing voltage and current regulator sources 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 oscillate. The oscillator's ability to oscillate is controlled by the one or more variable impedance... Agent: Fred Mirow

03/04/2010 > patent applications in patent subcategories.

20100052795 - Semiconductor integrated circuit: The present invention provides a semiconductor integrated circuit capable of reducing a chip occupied area and reducing variations in control gain of a digitally controlled oscillator. The semiconductor integrated circuit is equipped with the digitally controlled oscillator. The digitally controlled oscillator comprises oscillation transistors and a resonant circuit. The resonant... Agent: Miles & Stockbridge PC

20100052796 - Device having digitally controlled oscillator: A device includes a digitally controlled oscillator and an interpolator having a data input and a data output coupled to the digitally controlled oscillator. The interpolator may be configured to receive an oscillator control signal at the data input and to provide an interpolated oscillator control signal at the data... Agent: Banner & Witcoff, Ltd. Attorneys For Client 007052

20100052797 - Direct digital synthesizer for reference frequency generation: A direct digital frequency synthesizer having a multi-modulus divider, a numerically controlled oscillator and a programmable delay generator. The multi-modulus divider receives an input clock having an input pulse frequency fosc and outputs some integer fraction of those pulses at an instantaneous frequency fVp that is some integer fraction (1/P)... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20100052798 - Phase-locked loop circuit: A first exemplary aspect of an embodiment of the present invention is a phase-locked loop circuit including: a voltage-current converter that converts a control voltage into a control current, the control voltage generated according to a phase difference between an input pulse signal and a feedback pulse signal fed back... Agent: Foley And Lardner LLP Suite 500

20100052799 - Voltage controlled oscillator, mmic, and high frequency wireless device: A voltage controlled oscillator having low phase noise and including: a variable resonator including a varactor and a control voltage terminal; and an open-end stub connected in parallel to the variable resonator, the open-end stub having a length shorter than or equal to an odd multiple of one quarter of... Agent: Leydig Voit & Mayer, Ltd

20100052803 - Voltage controlled oscillator: An integrated circuit and an apparatus are provided. The integrated circuit comprises a bias circuit, an LC resonator circuit, and a current mode logic (CML) frequency divider. The bias circuit generates first and second bias voltages. The LC resonator circuit generates an oscillation signal having an oscillation frequency. The CML... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20100052800 - Method and apparatus for deriving an integrated circuit (ic) clock with a frequency offset from an ic system clock: Generally, methods and apparatus are provided for deriving an integrated circuit (IC) clock signal with a frequency that is offset from the IC system clock. An offset clock having a frequency that is offset from a system clock is generated by configuring a ring oscillator in a first mode to... Agent: Ryan, Mason & Lewis, LLP

20100052802 - Constant-temperature type crystal oscillator: A constant-temperature type crystal oscillator includes: a crystal unit that is installed on one principal surface of a circuit substrate, and chip resistors, which function as heating elements, and which are installed on the other principal surface of the circuit substrate so as to face a principal surface of the... Agent: Carrier Blackman And Associates

20100052801 - Temperature control device: A thermostatic-chamber temperature control device includes: a heating element for heating a thermostatic chamber; a bridge circuit having a temperature sensitive element whose resistance value varies in accordance with the temperature of the heating element; a detection circuit for detecting an unbalanced voltage of the bridge circuit; a PWM signal... Agent: Westerman, Hattori, Daniels & Adrian, LLP

Previous industry: Amplifiers
Next industry: Modulators


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