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Oscillators September class, title,number 09/10

20100244971 - Time-to-digital converter (tdc) with improved resolution: A time-to-digital converter (TDC) with fine resolution of less than one inverter delay is described. In an exemplary design, the TDC includes first and second delay paths, a delay unit, and a phase computation unit. The first delay path receives a first input signal and a first reference signal and... Agent: Qualcomm Incorporated

20100244967 - Oscillator: An oscillator includes: a vibrator having a first electrode and a second electrode disposed with a gap with the first electrode; a reference voltage supply circuit adapted to supply a reference voltage; and a voltage adjustment circuit having a step-up circuit operating in response to input of clock pulses and... Agent: Harness, Dickey & Pierce, P.L.C

20100244968 - Voltage-controlled oscillator, and pll circuit, fll circuit, and wireless communication device using the same: Provided is a voltage-controlled oscillator that can hold an oscillation frequency at a desired value when an oscillation frequency changes due to the temperature, without narrowing a variable range of the oscillation frequency, and a PLL circuit, an FLL circuit, and a wireless communication device, which use the voltage-controlled oscillator.... Agent: Wenderoth, Lind & Ponack L.L.P.

20100244969 - Temperature compensated oscillation circuits: A temperature compensated oscillation circuit capable of providing a stable frequency output over temperature is provided, in which an oscillator with a crystal resonator is arranged to generate an oscillation signal with an output frequency, and a temperature sensor provides a temperature compensation voltage of which a function is linear... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20100244970 - Atomic clock regulated by a static field and two oscillating fields: An atomic clock including a mechanism applying both a static magnetic field and two oscillating magnetic fields, all mutually perpendicular, in a magnetic shield. The amplitudes and frequencies of the oscillating magnetic fields may be chosen so as to annihilate energy variations between sub-transition levels of excited atoms and to... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20100244972 - Oscillator circuit: A first wiring layer and a plurality of second wiring layers having a thickness smaller than the first wiring layer are stacked on the semiconductor substrate. An oscillator circuit has an inductor formed by the plurality of second wiring layers. The inductor oscillates at a frequency at which the inductor... Agent: Mr. Jackson Chen

20100244973 - Flexural vibration piece and oscillator using the same: A flexural vibration piece includes: a flexural vibrator that has a first region on which a compressive stress or a tensile stress acts due to vibration and a second region having a relationship in which a tensile stress acts thereon when a compressive stress acts on the first region and... Agent: Oliff & Berridge, PLC

20100237951 - Frequency calibration of radio frequency oscillators: A wireless communication device incorporating a set of comparators and logic interrupt into the local oscillator generation circuit block is described. In one design, the local oscillator circuit block includes a RF VCO with coarse and fine frequency tuning. The RF VCO fine frequency tuning signal is monitored continuously to... Agent: Qualcomm Incorporated

20100237952 - Current controlled oscillator with regulated symmetric loads: An integrated circuit incorporating a bias circuit for a current-controlled oscillator (ICO) with improved power supply rejection ratio (PSRR) is described. The bias circuit for the ICO includes two error amplifiers. The first error amplifier regulates the bias voltage, VBN, referenced to a ground supply (GND). The second error amplifier... Agent: Qualcomm Incorporated

20100237953 - Digital phase detector, and digital phase locked loop including the same: A digital phase detector includes a quantization unit that quantizes a frequency of a reference signal to generate reference delay information and reference integer phase information, and quantizes a frequency of an oscillation signal to generate oscillation delay information and oscillation integer phase information. A first conversion unit converts the... Agent: F. Chau & Associates, LLC

20100237954 - Systems and methods for self testing a voltage controlled oscillator: A method for self testing a multiband voltage controlled oscillator (VCO) is described. A first frequency band in a VCO is selected. An N value is selected for a frequency divider that produces a tuning voltage for the VCO that is between a low tuning voltage limit and a high... Agent: Qualcomm Incorporated

20100237955 - Process, voltage, temperature compensated oscillator: A voltage reference connects to a voltage-to-current converter to generate a reference current dependent on the reference voltage. Outputs of a toggle-type flip flop connect to switching transistors controlling the reference current charging capacitors. The toggling of the flip-flop is controlled by comparing the capacitor voltages to the reference voltage,... Agent: Nxp, B.v. Nxp Intellectual Property & Licensing

20100237956 - Bias generation circuit and voltage controlled oscillator: This invention includes a bias origination section configured to originate an original bias voltage; a comparison section configured to compare the original bias voltage and a comparison voltage, and output a comparison result; a resistive divider section composed by a resistance circuit including a variable resistor section having a resistor... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20100237957 - Differential oscillation apparatus and modulator: It is an object of the present invention to shorten a time required until phases of output signals being output from two output terminals are inverted respectively from a start time of an oscillation in a differential oscillation apparatus. In a differential oscillation apparatus according to the present invention which... Agent: Pearne & Gordon LLP

20100237958 - Feed-back and feed-forward systems and methods to reduce oscillator phase-noise: Systems, methods, and apparatus are described that provide for low phase-noise, spectrally-pure, and low-jitter signals from electrical oscillators. An aspect of the present disclosure includes utilization of an open-loop feed-forward phase-noise cancellation scheme to cancel phase noise, or jitter, of an electrical oscillator. Phase noise can be measured and then... Agent: Mcdermott Will & Emery LLP

20100237959 - Lamb-wave resonator and oscillator: A Lamb-wave resonator includes: a piezoelectric substrate; an IDT electrode disposed on one principal surface of the piezoelectric substrate, having bus bar electrodes each connecting one ends of a plurality of electrode finger elements, the other ends of the plurality of electrode finger elements being interdigitated with each other to... Agent: Oliff & Berridge, PLC

20100237960 - Frequency-jittering apparatuses, frequency-jittering methods and power management devices: A frequency-jittering apparatuses includes an oscillator and a frequency control circuit. The oscillator generates a signal. When the magnitude of the signal exceeds a magnitude of a reference signal, the oscillator operates substantially in a first state; and when the magnitude of the signal is lower than the magnitude of... Agent: North America Intellectual Property Corporation

20100231310 - Mixed-mode pll: A mixed-mode PLL is disclosed. The mixed-mode PLL comprises a digital sigma-delta modulator, a low pass filter, and a digital controlled oscillator. The digital sigma-delta modulator receives a fractional bit signal. The low pass filter is coupled to the digital sigma-delta modulator. The low pass filter receives an output signal... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20100231306 - Power management architecture and method of modulating oscillator frequency based on voltage supply: A method and system for modulating logic clock oscillator frequency based on voltage supply. The system comprises a logic unit having a logic operation and a device to produce self-adjusting clocks to match the logic operation. The device is configured to use supply voltage as an independent variable to optimize... Agent: Roberts Mlotkowski Safran & Cole, P.C. Intellectual Property Department

20100231307 - Method and system for drift reduction in a low power oscillator (lpo) utilized in a wireless communication device: A radio circuit may be driven by a high frequency oscillator such as a crystal oscillator that may have sleep and wake time intervals. The sleep time interval length may be adjusted. A low frequency oscillator or low power oscillator (LPO) that may experience frequency drift may regulate the sleep... Agent: Mcandrews Held & Malloy, Ltd

20100231308 - Surface acoustic wave sensor and sensing method using surface acoustic wave: A surface acoustic wave (“SAW”) sensor includes; a first signal generator which generates a first signal having a predetermined frequency bandwidth using a pseudo random sequence, a second signal generator which generates a second signal with a predetermined frequency, a signal blender which blends the first signal with the second... Agent: Cantor Colburn, LLP

20100231309 - Constant-temperature type crystal oscillator: A constant-temperature type crystal oscillator includes: a surface-mount crystal unit, in which a crystal element is housed in a case main body to hermetically encapsulate the crystal element with a metal cover, and which includes a crystal terminal serving as a mounting terminal that is electrically connected to at least... Agent: Carrier Blackman And Associates

20100231311 - System and method for implementing an oscillator: In one embodiment, a system for generating an oscillating signal includes a transconductance amplifier comprising a single-ended output and a differential input. The system also includes only one feedback loop coupled to the transconductance amplifier. The feedback loop includes a low pass filter configured to receive the output of the... Agent: Baker Botts L.L.P.

20100231312 - Oscillator arrangement and method for generating a periodic signal: An oscillator arrangement is specified, in which a relaxation oscillator is refined to the extent that the comparator (2) to be used for comparing the voltage across a charge storage device (1) with a switching threshold (VTH) is a current comparator with two current branches (5, 6). One of these... Agent: Cohen, Pontani, Lieberman & Pavane LLP

20100231313 - Self-excited oscillation circuit: A self-excited oscillation circuit of the invention includes a turn-OFF transistor that turns OFF a transistor, a turn-OFF capacitor that outputs a voltage to the base of the turn-OFF transistor, and a bias resistance that charges the turn-OFF capacitor with a voltage in magnitude corresponding to a drain current that... Agent: Greenblum & Bernstein, P.L.C

20100225406 - Self-calibrating oscillator: A self-calibrating oscillator that increases the output frequency accuracy without using a charge pump includes an oscillation circuit, a pulse counter, a charging circuit, a reset circuit, a calibration circuit, and a timing control unit. The pulse counter counts a pulse signal having frequency f0 from the oscillation circuit based... Agent: Onda Techno Intl. Patent Attys.

20100225402 - Vco tuning with temperature compensation: Techniques for setting a fine tuning input signal Vtune for a voltage-controlled oscillator (VCO) in a coarse tuning mode of the VCO. In an exemplary embodiment, the fine tuning input signal during coarse tuning mode is made temperature-dependent to account for possible variation of Vtune over temperature during fine tuning... Agent: Qualcomm Incorporated

20100225403 - Crystal- based oscillator for use in synchronized system: A crystal oscillator-based module, which includes a crystal resonator receiving a conditioned signal from a first bus and passing a resonator signal to a sustaining stage amplifier. A synchronization range expansion circuit is connected between a gain control network and the resonator. A tri-state buffer has a main input connected... Agent: Godfrey & Kahn S.c.

20100225404 - Electronic pulse generator and oscillator: Improvements in and relating to electronic pulse generation or oscillation circuitry based on a signal path exhibiting endless electromagnetic continuity and affording signal phase inversion in setting pulse duration or half-cycles of oscillation within time of signal traverse of said signal path, and having active switching means associated with said... Agent: Ipxlaw Group LLP

20100225405 - Oscillator device comprising a thermally-controlled piezoelectric resonator: The crystal oscillator device includes an air-tight case (1) forming a vacuum chamber (23), a piezoelectric resonator element (11), oscillation circuitry, a temperature sensor, and a heating unit implemented in an integrated-circuit (IC) chip (13) with an active surface (13a). The piezoelectric resonator element (11) and the oscillation circuitry are... Agent: Griffin & Szipl, PC

20100225407 - Interference resistant local oscillator: With some embodiments, a VCO (voltage controlled oscillator) operates at an integer multiple (N) above a desired transmission frequency.... Agent: Intel Corporation C/o Cpa Global

20100225408 - Method and system for voltage controlled oscillator impedance control to optimize performance, efficiency, and power consumption: Methods and systems for VCO impedance control to optimize performance, efficiency, and power consumption are disclosed and may include selectively coupling one of a plurality of taps on a multi-tap inductive load to a voltage controlled oscillator (VCO) on a chip comprising a plurality of transmitters and receivers. The multi-tap... Agent: Mcandrews Held & Malloy, Ltd

20100219894 - Phase shift phase locked loop: A phase shift phase locked loop (PSPLL) are described. The phase shift PLL includes a PLL and a phase adjusting circuit coupled to the inputs of the PLL. The phase adjusting circuit has a first input, a first output, a second input, a third input, and a second output. The... Agent: Blakely Sokoloff Taylor & Zafman LLP

20100219893 - Resonant device with improved features: The device resonant comprises a plurality of synchronized oscillators. Each oscillator comprises a resonator which comprises detection means providing detection signals representative of oscillation of the resonator to a feedback loop connected to an excitation input of the resonator. The detection signals control the conductivity of the feedback loop of... Agent: Oliff & Berridge, PLC

20100219895 - Transistor-based micrometric or nanometric resonant device: The resonant device comprises an electromechanical resonator of nanometric or micrometric size that comprises a mobile element and a fixed element. Detection means provide detection signals representative of movement of the mobile element with respect to the fixed element to a feedback loop that is connected to an excitation input... Agent: Oliff & Berridge, PLC

20100219896 - Quadrature oscillator with high linearity: The present invention relates to an oscillator circuit and a method of controlling the oscillation frequency of an in-phase signal and a quadrature signal. First oscillator means (2) with a first differential oscillator circuit and a first differential coupling circuit are provided for generating the quadrature signal. Furthermore, second oscillator... Agent: Nxp, B.v. Nxp Intellectual Property & Licensing

20100219897 - Oscillator based on series of four nanowires: The oscillator comprises at least a first series of a multiple of four sub-assemblies each of which comprises an excitation terminal and an output terminal. The sub-assemblies are arranged in series in a closed loop. The output terminal of each sub-assembly is connected to the excitation terminal of the following... Agent: Oliff & Berridge, PLC

20100219898 - Resonator element and oscillator: A resonator element includes: a resonating body having a first region and a second region, the first region receiving a compression stress or an extension stress by a vibration, the second region receiving an extension stress responding to the compression stress in the first region, or a compression stress responding... Agent: Oliff & Berridge, PLC