Oscillators inventions 12/06

20060290434 - Apparatus, system and method capable of clock noise mitigation using a frequency adaptive process: An embodiment of the present invention provides an apparatus, comprising an oscillator capable of generating a clock signal, wherein said apparatus is capable of clock noise mitigation using a frequency adaptive algorithm, technique, process or system. And wherein said oscillator may be a voltage controlled oscillator (VCO) operating near a... Agent: Blakely Sokoloff Taylor & Zafman

20060290433 - Phase-switching dual modulus prescaler: A phase-switching dual modulus prescaler having a dual modulus divider is provided. Said divider comprises a first and second divide-by-2 circuit (A;B), wherein said second divide-by-2 circuit (B) is coupled to the output of said first divide-by-2 circuit (A) and at least said second divide-by-two circuit (B) comprises a four... Agent: Philips Intellectual Property & Standards

20060290435 - Type-ii all-digital phase-locked loop (pll): System and method for providing type-II (and higher order) phase-locked loops (PLLs) with a fast signal acquisition mode. A preferred embodiment comprises a loop filter with a proportional loop gain path (proportional loop gain circuit 1115) and an integral loop gain block (integral loop gain block 1120). The proportional loop... Agent: Texas Instruments Incorporated

20060290436 - Apparatus for providing clock signals at different locations with minimal clock skew: A tapped phase shift ring oscillator may be used to provide multiple clock signals having variable phase delays. Phase delays may be selected to compensate for clock skews at different locations on high speed chips, or to provide clock signals having specific, desirable phase relationships, such as quadrature signals. The... Agent: Trask Britt

20060284686 - Quadrature phase oscillator using complex coefficient filter: A quadrature phase oscillator in a Radio Frequency (RF) transceiver Integrated Circuit (IC) is provided. The quadrature phase oscillator includes a voltage controlled oscillator and a filter. The voltage controlled oscillator provides an oscillating frequency for modulation of a transmission/reception signal according to an applied voltage. The filter receives the... Agent: Dilworth & Barrese, LLP

20060284689 - Apparatus and method for phase lock loop gain control using unit current sources: A gain compensator compensates for the gain variation of a varactor-tuned voltage tuned oscillator (VCO) in a phase lock loop (PLL). The VCO includes a parallel LC circuit having multiple fixed capacitors that can be switched-in or switched-out of the LC circuit according to a capacitor control signal to perform... Agent: Mcandrews Held & Malloy, Ltd

20060284687 - Phase-locked loop having a bandwidth related to its input frequency: An integrated circuit includes a phase-locked loop (PLL) in which the loop bandwidth of the PLL is proportional to the input frequency of the PLL. The PLL includes a phase/frequency detector (PFD), a charge pump, a loop filter, and a voltage-controlled oscillator (VCO) that generates the PLL output clock. The... Agent: Gardner Groff Santos & Greenwald, P.C.

20060284688 - System and method for phase-locked loop initialization: Devices, methods, and systems for initializing a phased-lock loop (PLL) circuit which prevents or reduces the occurrences of voltage-controlled oscillator (VCO) frequency exceeding a divider's maximum input frequency, thus preventing or reducing at least one cause of lock failure. Disclosed is a PLL circuit having logic circuitry configured to hold... Agent: SprinkleIPLaw Group

20060284690 - Phase locked loop, phase detecting method for the phase locked loop, and receiver using the same: A Phase Locked Loop (PLL) is provided for improving acquisition performance in an acquisition state, while preventing performance degradation in a steady state under a low SNR environment, during phase detection, a phase detecting method for the PLL, and a receiver using the same. The PLL determines a period to... Agent: Roylance, Abrams, Berdo & Goodman, L.L.P.

20060284691 - Delay circuit: A delay circuit according to embodiments of the present invention capable of operating over a wide range of frequencies is presented. Embodiments of the invention minimize or eliminate parasitic capacitance at the output terminals that arise from switching elements used to selectively add capacitive elements to the circuit to vary... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20060284692 - Oscillator circuit and integrated circuit incorporating the same: The oscillator circuit comprises a capacitor and first to fourth constant current supplies and switches are connected to the capacitor. Both terminals of the capacitor are used for charges and discharges. One period comprises four steps; charging the first terminal of the capacitor, discharging the second terminal, charging the first... Agent: Mcginn Intellectual Property Law Group, PLLC

20060284693 - Digitally controlled oscillator for reduced power over process variations: This disclosure relates to a cell-placeable variable-frequency digitally controlled oscillator (DCO) that consumes approximately the same current in a fast process corner as in the case of a slow process corner. By modulating the effective channel length of transistors in inverters, a fast process DCO may be slowed down to... Agent: Naren Chaganti

20060284694 - Electronic apparatus having display portion and oscillator and manufacturing method of the same: In an electronic apparatus comprising a digital display portion and first and second oscillators comprising first and second oscillating circuits, each of the first and second oscillating circuits having a resonator, an amplifier, a plurality of capacitors, and at least one resistor, a mode of vibration of the resonator of... Agent: Bruce L. Adams, Esq.

20060284695 - Oscillator circuit: An oscillator circuit configuration comprising in an LC-parallel oscillatory circuit and a transistor as an amplifying element. A compensating winding is associated with the parallel oscillatory circuit whereby the collector voltage of the transistor is fed to said winding in order to compensate the effect of the parasitic collector capacity.... Agent: Lewis, Rice & Fingersh, Lc Attn: BoxIPDept.

20060284696 - Automatic gain control circuit and method and super-regenerative rf receiver: An automatic gain control (AGC) circuit is applied to control a margin voltage of an oscillator. The margin voltage is the voltage difference between a high-level output and a low-level output of the oscillator. The AGC circuit of the present invention includes a comparator and a processing unit. Wherein, the... Agent: Jianq Chyun Intellectual Property Office

20060279364 - Determining operating point of feedback controller applied to operation of oscillating scanning device: A method for determining an operating point of an oscillation controller. The method builds a model of an oscillation device based upon its design parameters. Then the resonant frequency of each specific oscillator is measured in its application environment, and the model, or a table derived from the model is... Agent: Lexmark International, Inc. Intellectual Property Law Department

20060279365 - Digital phase locked loop and method for correcting interference components in a phase locked loop: A correction circuit in a digital phase locked loop is disclosed having a first terminal, a second terminal, a value-discretely tunable oscillator, an integrator, a loop filter, and a feedback path. A correction circuit is connected to an input of the integrator on the input side and to an output... Agent: Eschweiler & Associates, LLC National City Bank Building

20060279363 - Pll circuit: An arrangement is provided for reducing phase noise of a phase comparator in a PLL circuit. A voltage controlled oscillator (VCO) responsive to a voltage of an input signal controls a frequency of an output signal. An in-loop frequency divider frequency divides the output signal by two to output two... Agent: Greenblum & Bernstein, P.L.C

20060279366 - Generator of a pseudo-random digital flow: A method and a circuit for generating a pseudo-random digital flow comprising an oscillator, the biasing of which is controllable by an analog bias source controlled by a signal with continuous amplitude and time variatons.... Agent: Graybeal Jackson Haley LLP Suite. 350

20060279367 - Voltage controlled surface acoustic wave oscillator module: A module for a surface acoustic wave oscillator includes a substrate having a top surface, a bottom surface and peripheral side faces. Several castellations are located about the outer peripheral side faces thereof. The castellations form an electrical connection between the top and bottom surfaces of the substrate. Connection pads... Agent: Daniel J. Deneufbourg Cts Corporation

20060279368 - Low noise and low phase hits tunable oscillator: A voltage controlled oscillator compising a distributed coupled resonator (DCR) that desirably produces a low noise signal source with reduced phase hits in comparison to a high Q resonator, such as a ceramic and SAW (Surface Acoustic Wave) resonator based oscillator.... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20060279369 - Transistor oscillating circuit having low change in oscillating frequency due to change in power supply voltage: In a transistor oscillating circuit, an oscillating circuit 3 of which an emitter is connected to ground through an emitter load resistor 8, a resonance circuit 2 is connected between a base and the ground, and a collector is connected to a power supply terminal, is included, base bias resistors... Agent: Beyer Weaver & Thomas, LLP

20060273859 - Reset lockout for sliding latch gfci: Resettable circuit interrupting devices using a center latch are provided. The circuit interrupting devices include those with a reset lockout, reverse wiring protection, and/or an independent trip portion.... Agent: Paul J. Sutton, Esq., Barry G. Magidoff, Esq. Greenberg Traurig, LLP

20060273860 - Colpitts oscillator: Oscillation in which unwanted vibration (B mode) is surely suppressed while stable oscillation by principal vibration (C mode) is obtained is obtained. In a Colpitts oscillator including a piezoelectric vibrator, a transistor, and a first and second divided capacitive components, by inserting a feedback circuit formed by connecting a third... Agent: Jordan And Hamburg LLP

20060273861 - Apparatus for providing an oscillating signal to a load: An apparatus for providing an oscillating signal to a load comprises: a phase locked loop, PLL, comprising a feedback loop; a power control means for manipulating oscillating signal power; an isolator for isolating the feedback loop from the load; and a mode selector coupled to the power control means and... Agent: Qualcomm Incorporated