| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 331074000 | COMBINED WITH PARTICULAR OUTPUT COUPLING NETWORK | 18 |
| 20080252388 | Oscillator and charge pump circuit using the same - The present invention provides a current-limited oscillator capable of performing stable operation even when it is driven with a low power-supply voltage, and a charge pump circuit using the oscillator. A current-limited oscillator has a delay section that includes a plurality of series-connected inverters to delay an output pulse on the basis of a current limiting level indication signal, and the oscillator further includes at least one first transistor that limits a first current between the inverters and a high potential power supply and at least one second transistor that limits a second current between the inverters and a low potential power supply, wherein at least one of the plurality of inverters is configured as a first inverter that is connected with the first transistor and is not connected with the second transistor, and at least another of the plurality of inverters is configured as a second inverter that is not connected with the first transistor and is connected with the second transistor. | 10-16-2008 |
| 20080315963 | DIRECT DIGITAL INTERPOLATIVE SYNTHESIS - A clock synthesis circuit includes a delta sigma modulator that receives a divide ratio and generates an integer portion and a digital quantization error (a fractional portion). A fractional-N divider divides a received signal according to a divide control value corresponding to the integer portion and generates a divided signal. A phase interpolator adjusts a phase of the divided signal according to the digital quantization error to thereby reduce noise associated with the fractional-N divider. | 12-25-2008 |
| 20090206939 | VCO Pre-Compensation - A VCO device is described that has pre-compensation. Digitally switchable compensation capacitors are selectively activated to adjust operation of the VCO to mitigate undesirable operational effects. In some example embodiments, the digitally switchable compensation capacitors of the VCO are adjusted to compensate for the effects of activating (from a quiescent state) an output buffer driven by the VCO. | 08-20-2009 |
| 20090237169 | Dual Synchro-Resonant Electrosurgical Apparatus With Bi-Directional Magnetic Coupling - An electrosurgical generator is disclosed. The electrosurgical generator includes a power supply for generating a DC voltage. The electrosurgical generator also includes a first parallel inductor-capacitor circuit being driven by a first signal at a first predetermined frequency and a second parallel inductor-capacitor circuit driven by a second signal at the first predetermined frequency phase shifted 180 degrees. The electrosurgical generator further includes a series inductor-capacitor resonant circuit operably connected in series with a primary winding of a transformer. The first and second parallel inductor-capacitor circuits are operably connected to the transformer, such that the first inductor-capacitor circuit generates a positive half sine wave and the second inductor-capacitor circuit generates a 180 degrees phase-shifted positive half sine wave to generate a full sine wave in a secondary winding of the transformer. | 09-24-2009 |
| 20110199159 | METHOD AND APPARATUS FOR GENERATING A CLOCK SIGNAL - An integrated circuit comprising oscillator circuitry is arranged to generate a clock signal for functional logic module of the integrated circuit. The oscillator circuitry comprises a plurality of propagation paths, and is arranged to apply a transition signal to inputs of the plurality of propagation paths, and to cause the output clock signal to transition based on a propagation of the transition signal through a determined set of the propagation paths. | 08-18-2011 |
| 20120038427 | RING BASED IMPEDANCE CONTROL OF AN OUTPUT DRIVER - In one embodiment, there is a method that can include utilizing a ring oscillator module to determine a process corner of an integrated circuit as fabricated that includes the ring oscillator module. The impedance of an output driver of the integrated circuit can be altered based on the process corner of the integrated circuit as fabricated. | 02-16-2012 |
| 20120068776 | Oscillator - Provided is an oscillator using an MEMS resonator, which can reduce an influence of noise of a TIA and improve phase noise characteristics of an oscillator output. The oscillator includes an MEMS resonator, a TIA, a buffer amplifier, and a current/voltage converter that couples, by electromagnetic induction, with a wiring line via which an output of the MEMS resonator is fed to the TIA, so as to convert a current flowing in the wiring line to a voltage and output the voltage to the buffer amplifier. Thus, the oscillator output is extracted from the current/voltage converter. Further, the current/voltage converter is provided in the form of an oscillation output coil provided so as to surround the wiring line in a noncontact manner, in which oscillation output coil one end is connected to ground and the other end is connected to the buffer amplifier. | 03-22-2012 |
| 20120098606 | HIGH-FREQUENCY SIGNAL PROCESSING DEVICE - Disclosed is a high-frequency signal processing device capable of reducing transmission power variation and harmonic distortion. For example, the high-frequency signal processing device includes a pre-driver circuit, which operates within a saturation region, and a final stage driver circuit, which operates within a linear region and performs a linear amplification operation by using an inductor having a high Q-value. The pre-driver circuit suppresses the amplitude level variation of a signal directly modulated, for instance, by a voltage-controlled oscillator circuit. Harmonic distortion components (2HD and 3HD), which may be generated by the pre-driver circuit, are reduced, for instance, by the inductor of the final stage driver circuit. | 04-26-2012 |
| 20120119837 | Nanoscale Electromagnetic Radiation Device Using Serpentine Conductor - A nanoscale serpentine ribbon is used to produce electromagnetic radiation by accelerating charge carriers as constrained along a serpentine path defined by the ribbon so that curve portions of the ribbon promote acceleration-induced emission of electromagnetic radiation by the charge carriers. | 05-17-2012 |
| 20130278345 | MICROWAVE ADAPTORS AND RELATED OSCILLATOR SYSTEMS - An adaptor for a solid-state oscillator and related microwave adaptors includes an input segment of a conductive material, a first coaxial portion that includes a first inner conductor coupled to the input segment and a first outer shielding segment, and a capping portion coupled to the first coaxial portion to electrically couple the first inner conductor and the first outer shielding segment. | 10-24-2013 |
| 20140097909 | HIGH-FREQUENCY POWER SOURCE GENERATION DEVICE - A high-frequency power source generation device includes switching element groups having a configuration in which a plurality of switching elements turned on/off cyclically are connected in parallel. One parallel connection terminal of the switching element group is connected to a positive electrode terminal of a DC power source, and one parallel connection terminal of the switching element group is connected to a negative electrode terminal of the DC power source. Respective other parallel connection terminals of the switching element groups are connected via a reactor. A pulse voltage that appears at opposite ends of the reactor due to a cyclic on/off operation of the switching element groups is applied to a load through a coaxial cable and a matching circuit. | 04-10-2014 |
| 20140292425 | OUTPUT CIRCUIT, SEMICONDUCTOR INTEGRATED CIRCUIT, RESONATING DEVICE, ELECTRONIC DEVICE, AND MOVING OBJECT - An output circuit includes a first circuit that generates a first output voltage based on a resistance ratio, on the basis of a reference voltage, a second circuit that compares the first output voltage with a source voltage of a second transistor that sets a second output voltage of the output signal, and generates an output gate voltage for causing the first transistor to output the second output voltage, and a third circuit that controls a timing at which the output gate voltage is applied to the first transistor, on the basis of an input control signal. | 10-02-2014 |
| 20160056799 | DC-Coupled Buffer Circuit For High Speed Oscillators - A novel and useful LC-tank digitally controlled oscillator (DCO) incorporating a split transformer configuration. The LC-tank oscillator exhibits a significant reduction in area such that it is comparable in size to conventional ring oscillators (ROs) while still retaining its salient features of excellent phase noise and low sensitivity to supply variations. The oscillator incorporates an ultra-compact split transformer topology that is less susceptible to common-mode electromagnetic interference than regular high-Q LC tanks which is highly desirable in SoC environments. The oscillator, together with a novel dc-coupled buffer, can be incorporated within a wide range of circuit applications, including clock generators and an all-digital phase-locked loop (ADPLL) intended for wireline applications. | 02-25-2016 |
| 331075000 | Space discharge or unilaterally conductive device in output network | 4 |
| 20080211591 | OSCILLATORY SIGNAL OUTPUT CIRCUIT FOR CAPACITIVE COUPLING AN OSCILLATING SIGNAL WITH BIAS VOLTAGE APPLIED - Oscillatory signal output circuitry includes a bias circuit generating a bias voltage, which is applied to an amplifier and an oscillatory circuit to generate an oscillatory signal. The oscillatory signal is capacitively coupled and level-shifted up by the bias voltage to produce output signals. The produced output signals are operatively applied to PMOS and NMOS transistors of an output part. When the voltages of the output signals decrease at the same time, the drain current of the NMOS transistor decreases to output a high level. When the voltages of the output signals increase at the same time, the drain current of the NMOS transistor increases to output a low level. Therefore, the output part attains its large gain, and is ensured to operate to develop the output signal. A variation in threshold voltage would cause the bias voltages to change accordingly, thus being ensured to output the output signal. | 09-04-2008 |
| 20080218280 | Differential Oscillator Device with Pulsed Power Supply, and Related Driving Method - The present invention concerns a differential oscillator device, comprising resonant electronic means, capable to provide on at least two terminals at least one oscillating signal V | 09-11-2008 |
| 20090102568 | VOLTAGE CONTROLLED OSCILLATOR WITH CASCADED EMITTER FOLLOWER BUFFER STAGES - A voltage controlled oscillator (VCO) is provided that includes an output buffer having a first buffer stage including a first transistor and a second buffer stage including a second transistor. The first and second transistors are connected in a cascaded emitter follower buffer arrangement. | 04-23-2009 |
| 331076000 | Harmonic producing or selecting network | 1 |
| 20090051448 | SECOND HARMONIC OSCILLATOR - A second harmonic oscillator has a series positive feedback configuration, suppresses output of a fundamental signal, and outputs a second harmonic signal having a frequency in a range from 1 GHz to 200 GHz generated inside of a circuit. The second harmonic oscillator includes: a transistor having a base terminal, a first emitter terminal, a second emitter terminal, and a collector terminal; a resonator circuit connected to the base terminal; a first transmission line short-circuiting stub connected to one of the two emitter terminals; and a second transmission line short-circuiting stub connected to the other of the two emitter terminals and having a line length obtained by adding one-fourth of one wavelength of the fundamental signal to an integer multiple of one-half wavelength of the fundamental signal. | 02-26-2009 |
| 331077000 | Wave filter | 1 |
| 20090174488 | Oscillation module - To provide an oscillation module which is able to improve an input level by passing signals in a main signal band while removing near noise and far noise. | 07-09-2009 |
