Class / Patent application number | Description | Number of patent applications / Date published |
331055000 | Synchronized, triggered or pulsed | 10 |
20080211589 | Phase locked loop circuit including digital voltage-controlled oscillator, ring oscillator and selector - A PLL circuit includes a polyphase reference clock output circuit, which outputs multiple reference clocks, each clock being of different phase. The PLL circuit further includes a digital voltage controlled oscillator, which, using any one of the multiple reference clocks chosen as an operating clock, outputs an output clock whose frequency varies according to a value of a frequency control signal, and which outputs a delay amount data representing a phase difference between the phase of the output clock and an ideal phase gained by computing based on the value of the frequency control signal. The PLL circuit further includes a selection circuit which is responsive to the delay amount data to select and output the output clock synchronized with one of the multiple reference clocks. | 09-04-2008 |
20090273403 | Trigger-mode distributed wave oscillator system - A Trigger-Mode Distributed Wave Oscillator that provides accurate multiple phases of an oscillation and a method of use of the same. An auxiliary oscillator triggers an oscillation on independent conductor loops or rings forming a differential transmission medium for the oscillation wave. Once the oscillation wave is triggered, the auxiliary oscillator can be powered down to turn it off, and the wave can sustain itself indefinitely through active amplifying devices which can compensate for losses in the conductors. | 11-05-2009 |
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 the oscillator. The excitation inputs of all the resonators are connected to a common point which constitutes the output of the resonant device. A capacitive load is connected between said common point and a reference voltage. | 09-02-2010 |
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 to receive the resonator signal through a buffer. The output of the tri-state buffer is connected to a second bus, through a matching network if necessary. A synchronous clock system can be formed by connecting these modules alternately to the two busses. The tri-state buffer also has a control input, which may be connected to a delay circuit between Vcc and ground, so as to allow hot swapping and for other benefits. | 09-09-2010 |
20110006850 | CLOCK SIGNAL DISTRIBUTING DEVICE - A clock signal distributing device includes a plurality of LC resonant oscillators, each resonating at a frequency conforming to values of a first inductor and a first capacitor to oscillate a signal, an injection locked LC resonant oscillator that resonates at a frequency conforming to values of a second inductor and a second capacitor to oscillate a signal which is synchronous with an input clock signal, and transmission lines that connect oscillation nodes of the plurality of LC resonant oscillators and the injection locked LC resonant oscillator with one another. | 01-13-2011 |
20120161885 | AGING DIAGNOSTIC DEVICE, AGING DIAGNOSTIC METHOD - There is provided an aging diagnostic device including: a reference ring oscillator ( | 06-28-2012 |
20120286883 | SYNCHRONIZED OUTPUT OF MULTIPLE RING OSCILLATORS - A circuit for producing a synchronized output of multiple ring oscillators is disclosed. In one embodiment, the circuit includes a first ring oscillator configured to generate a first periodic signal and a second ring oscillator configured to generate a second periodic signal. The circuit may further include a selection unit coupled to receive the first periodic signal and the second periodic signal. The selection unit is configured to convey a first clock edge into each of the first and second ring oscillators responsive to a most recently received rising edge from one of the first and second periodic signals. The selection unit is further configured to convey a second clock edge into each of the first and second ring oscillators responsive to a most recently received falling edge from one of the first and second periodic signals, wherein the first and second clock edges are opposite in direction. | 11-15-2012 |
20120313716 | TWO OSCILLATOR SYNCHRONIZATION SYSTEM - An oscillator synchronization system employs two oscillators, each of which includes an integrator which provides a ramping signal at its output, a comparator which receives the ramping signal and a reference signal at respective inputs and toggles an output when the ramping voltage crosses the reference signal, and a one-shot circuit that generates the integrator's reset signal when triggered. The system is preferably arranged such that the oscillators can be operated independently, in which case each oscillator's one-shot is triggered by its own comparator output, or synchronously, in which case each oscillator's one-shot is triggered by the other oscillator's comparator output—with the ramp signal of each oscillator operating to reset the integrator of the other oscillator. The oscillators are typically out-of-phase when synchronized, with the phase difference varying with the magnitude of the reference signals applied to the comparators. | 12-13-2012 |
20150130545 | COUPLING STRUCTURE FOR INDUCTIVE DEVICE - A circuit includes a coupling structure and a first inductive device. The coupling structure includes two or more conductive loops and a set of conductive paths electrically connecting the two or more conductive loops. The first inductive device is magnetically coupled with a first conductive loop of the two or more conductive loops. | 05-14-2015 |
20150326230 | Polar Receiver with Reduced Amplitude-Phase Distortion - A receiver includes a harmonic injection-locked oscillator, which receives an RF modulated signal and provides an output to two parallel signal paths. A fundamental injection-locked oscillator is provided on one of the signal paths. A phase discriminator detects a phase difference between signals that have passed through the first and second signal paths. At least one of the signal paths includes an amplitude limiting circuit. One or more of the signal paths may include an adjustable delay circuit. | 11-12-2015 |