Class / Patent application number | Description | Number of patent applications / Date published |
331056000 | Parallel connected | 11 |
20080284528 | RESONATOR, OSCILLATOR, AND COMMUNICATION APPARATUS - Disclosed is a resonator including a plurality of resonator elements each including at least oscillation parts and lower electrodes with an intervening space therebetween, in which the plurality of resonator elements are disposed in a closed system and the oscillation parts of the plurality of resonator elements are continuously formed in an integrated manner. | 11-20-2008 |
20110057733 | Oscillator apparatus - An apparatus including a resonator electrode and a second electrode separated from the resonator electrode by a gap having a size that facilitates electron transfer across the gap, wherein the resonator electrode is a resonator electrode mounted for oscillatory motion relative to the second electrode that results in a size of the gap between the resonator electrode and the second electrode being time variable; a feedback circuit configured to convey an electron transfer signal dependent upon electron transfer across the gap as a feedback signal; and a drive electrode adjacent the resonator electrode configured to receive a feedback signal from a feedback circuit configured to provide a time-varying feedback signal dependent upon electron transfer across a gap. | 03-10-2011 |
20110057734 | Oscillator Apparatus - An apparatus including a resonator electrode and a second electrode separated from the resonator electrode by a gap having a size that facilitates electron transfer across the gap, wherein the resonator electrode is a resonator electrode mounted for oscillatory motion relative to the second electrode that results in a size of the gap between the resonator electrode and the second electrode being time variable; a feedback circuit configured to convey an electron transfer signal dependent upon electron transfer across the gap as a feedback signal; and a drive electrode adjacent the resonator electrode configured to receive a feedback signal from a feedback circuit configured to provide a time-varying feedback signal dependent upon electron transfer across a gap. | 03-10-2011 |
20110090015 | SEMICONDUCTOR INTEGRATED CIRCUIT AND ELECTRONIC DEVICE - A semiconductor integrated circuit includes a first ring oscillator to which a stress voltage is applied; a second ring oscillator to which the stress voltage is not applied; and a phase comparator configured to receive an output of the first ring oscillator and an output of the second ring oscillator, and to compare phases of the outputs. The first ring oscillator includes a switch circuit configured to switch between a first connection state in which ring connection of the first ring oscillator is disconnected to connect a predetermined node of the second ring oscillator to a predetermined node of the first ring oscillator, and a second connection state in which connection between the first ring oscillator and the second ring oscillator is disconnected to connect the first ring oscillator in a ring. | 04-21-2011 |
20110169580 | INVERTING GATE WITH MAXIMIZED THERMAL NOISE IN RANDOM NUMBER GENERTION - A random number generator comprises a first high frequency (HF) oscillator, a second low frequency (LF) oscillator, and a sampling circuit. The HF oscillator generates a high frequency oscillating signal. The LF oscillator generates a low frequency oscillating signal. The LF oscillating signal is used to sample the HF oscillating signal to generate a sequence of random bits. In one preferred embodiment, the LF oscillator comprises a plurality of stages of inverters, and each inverter comprises a number of series-stacked minimum length transistors. The LF oscillating signal has a jitter distribution due to thermal noise present in each transistor of the LF oscillator. By series stacking a number of minimum length transistors in each inverter, the overall thermal noise in the LF oscillator is maximized to increase the jitter distribution of the LF oscillating signal and thereby increase the random behavior of the sequence of random bits. | 07-14-2011 |
20120133446 | Quadrature Voltage Controlled Oscillator Including Transmission Line - A circuit includes an oscillator circuit including a first oscillator and a second oscillator. The first and the second oscillators are configured to generate signal having a same frequency and different phases. A transmission line is coupled between the first and the second oscillators. | 05-31-2012 |
20120154060 | QUADRATURE VOLTAGE-CONTROLLED OSCILLATOR APPARATUS - A quadrature voltage-controlled oscillator (QVCO) apparatus including a first VCO, a second VCO, a first energy-storage element, a second energy-storage element, a third energy-storage element and a fourth energy-storage element is provided. The first VCO has a first and a second phase output ends. The second VCO has a third and a fourth phase output ends. A first and a second ends of the first energy-storage element respectively connect to the first and the third phase output ends. A first and a second ends of the second energy-storage element respectively connect to the second and the third phase output ends. A first and a second ends of the third energy-storage element respectively connect to the second and the fourth phase output ends. A first and a second ends of the fourth energy-storage element respectively connect to the first and the fourth phase output ends. | 06-21-2012 |
20120223779 | Voltage-controlled oscillator - This invention provides a voltage-controlled oscillator, comprising a first voltage-controlled oscillator circuit and a second voltage-controlled oscillator circuit. The first voltage-controlled oscillator circuit comprises a plurality of inductors, a plurality of variable capacitors, and a plurality of MOS transistors. The circuit configuration of the second voltage-controlled oscillator circuit is symmetrical to that of the first voltage-controlled oscillator circuit. The inductors of the first voltage-controlled oscillator circuit are cross-coupled to the inductors of the second voltage-controlled oscillator circuit. | 09-06-2012 |
20120306581 | Quartz Pressure and Temperature Transducer Assembly With Dynamic Correction - A quartz transducer having four or more crystal-controlled oscillators intended for measurement of applied pressure and temperature. All four oscillators are controlled by crystal quartz resonators operating in the thickness-shear mode. Two crystals measure the pressure and temperature respectively. A third crystal is a reference, and the fourth crystal may be another reference crystal or a second temperature crystal. The output of the latter is either phase leading or phase lagging the thermal response of the main temperature sensor. | 12-06-2012 |
20130099870 | VOLTAGE CONTROLLED OSCILLATORS HAVING LOW PHASE NOISE - This disclosure involves systems for providing an oscillatory circuit having low phase noise featuring arrays of complementary VCO pairs connected in parallel. | 04-25-2013 |
20130127549 | CLOCK SIGNAL SYNCHRONIZATION AND DISTURBANCE DETECTOR - An electronic circuit including two ring oscillators, wherein the output of each ring oscillator is looped back on the input of this same oscillator as well on the input of the other oscillator. The application of such a circuit to the detection of a dynamic disturbance. | 05-23-2013 |