52nd week of 2012 patent applcation highlights part 22 |
Patent application number | Title | Published |
20120326716 | METHOD OF DETECTING MAGNETIC FIELD GENERATED FROM CURRENT AND ESTIMATING CURRENT AMOUNT - When a through hole is formed in a primary conductor, a measurement target current partially becomes a bypass current that flows around the through hole. Only a magnetic field component in the X-axis direction is generated from the current that flows through a portion without the influence of the through hole. However, the bypass current generates a magnetic field component in the Y-axis direction at the tilt portion. A magnetic detection element having a magnetic field detection sensitivity only in the Y-axis direction is installed near the through hole such that the magnetic field detection direction is set in the Y-axis direction, thereby detecting the magnetic field component and measuring the current amount without the influence of a neighboring current. | 2012-12-27 |
20120326717 | PARTIAL POLARIZATION TRANSFER FOR SINGLE-SCAN MAGNETIC RESONANCE SPECTROSCOPY AND IMAGING - A method of measuring precessing magnetization includes providing a first site characterized by a first spin order and providing a second site. The method also includes transferring a portion of the first spin order from the first site to the second site. The second site is characterized by a second spin order orthogonal to the first spin order. The method further includes exposing a sample including the first site and the second site to a magnetic field, measuring a precessing magnetization of at least one of the first site or the second site, repeating the transferring a portion of the first spin order from the first site to the second site, and repeating the measuring of the precessing magnetization. | 2012-12-27 |
20120326718 | Pressure Vessel for Non-Destructive or Non-Contact Material Characterization - A method and apparatus for measuring a parameter of an object is disclosed. The object is placed within a vessel configured to contain the object via an opening in the vessel. A cover is placed over the opening. A securing device is used to secure the cover to the vessel. A measurement device is used to measure the parameter of the object at a raised pressure. The parameter can be a nuclear magnetic resonance parameter of the object. A fluid in the vessel can be heated to raise the pressure within the sealed vessel. In various embodiments, the securing device can be a second cover or a clamp, for example. The measured parameter can be used in determining a suitability of the object for use in downhole environments. | 2012-12-27 |
20120326719 | MR SLIDE COIL - The present embodiments relate to a method and a local coil for a magnetic resonance tomography system. The local coil has an upper part and a lower part. The upper part and the lower part each have an inclined guide. When the upper part is positioned on the lower part, the upper part and the lower part may be displaced relative to each other along the inclined guides using an adjustment of a distance of the upper part from the lower part. | 2012-12-27 |
20120326720 | MODULAR ARRAY OF FIXED-COUPLING QUANTUM SYSTEMS FOR QUANTUM INFORMATION PROCESSING - A quantum information processing system includes a first composite quantum system, a second composite quantum system, a plurality of electromagnetic field sources coupled to the system and an adjustable electromagnetic coupling between the first composite quantum system and the second composite quantum system. | 2012-12-27 |
20120326721 | SIMULTANEOUS AND DYNAMIC DETERMINATION OF LONGITUDINAL AND TRANSVERSAL RELAXATION TIMES OF A NUCLEAR SPIN SYSTEM - The invention relates to a magnetic resonance imaging method for simultaneous and dynamic determination of a longitudinal relaxation time T | 2012-12-27 |
20120326722 | ULTRA-FAST MAGNETIC FIELD FOR ELECTRON PARAMAGNETIC RESONANCE IMAGING USED IN MONITORING DOSE FROM PROTON OR HADRON THERAPY - Instrumentation and methodologies are provided that enable the direct measurement of free radicals generated in patients as a result of radiation therapy through the use of proton beams and other forms of ionizing radiation. As a result, in accordance with at least one disclosed embodiment, the instrumentation and methodologies may be used in conjunction with radiation therapy to detect, monitor and/or control generation of free radicals in cancerous tissue during such radiation therapy. | 2012-12-27 |
20120326723 | Apparatus and Method for Actively Balancing Impedance of A Resistivity Measuring Tool - An apparatus for making a resistivity measurement of an underground formation surrounding a borehole is provided. The apparatus includes a conductive tool body, at least one current injector electrode positioned between the tool body and a wall of the bore hole, at least one current return electrode positioned between the tool body and the wall of the bore hole, an electrical measurement device configured to monitor a voltage or a current signal indicative of an impedance imbalance, a regulator connected to the electrical measurement device, whereby the regulator is configured to receive the voltage or the current signal indicative of the impedance imbalance and is configured to generate an adjustment signal based on the voltage or the current signal indicative of the impedance imbalance. | 2012-12-27 |
20120326724 | APPARATUS AND METHOD FOR ESTIMATING AVAILABLE TIME OF BATTERY - Disclosed are an apparatus and method for estimating an available time of a battery relatively accurately in consideration of a driving pattern of a user. The apparatus for estimating an available time of a battery includes a current measuring unit for measuring an output current of the battery, a SOC estimating unit for estimating SOC (State Of Charge) of the battery, and a controller for estimating an available time of the battery by using a measured current value obtained by the current measuring unit, an estimated SOC value obtained by the SOC estimating unit and an entire capacity of the battery. | 2012-12-27 |
20120326725 | MONITORING APPARATUS, MONITORING CONTROL APPARATUS, POWER SUPPLY APPARATUS, MONITORING METHOD, MONITORING CONTROL METHOD, POWER STORAGE SYSTEM, ELECTRONIC APPARATUS, MOTOR-DRIVEN VEHICLE, AND ELECTRIC POWER SYSTEM - A monitoring apparatus includes a first converter that converts first analog data indicating a voltage value of each of batteries into first digital data; and a second converter that converts second analog data indicating an electric current value flowing through the plurality of batteries into second digital data. The first analog data and the second analog data are data having the same timing. | 2012-12-27 |
20120326726 | STATE-OF-CHARGE ESTIMATION APPARATUS - A state-of-charge estimation apparatus connected to a power storage device having cell batteries, and estimating a state of charge of the power storage device, the apparatus including a first SOC computation unit computing a current integration value based on a total current from a current detector detecting the total current flowing to the storage device from a power conversion device using a previous SOC value as an initial value, and outputting the integration value as a first state-of-charge estimated value, and a second SOC computation unit estimating, after discharge suspension in the storage device, an open-circuit voltage based on a total voltage on a connection point between the conversion device and the storage device, a previous value of the total voltage, and a gain with time passage after discharge suspension in the storage device, and outputting the open-circuit voltage as a second state-of-charge estimated value. | 2012-12-27 |
20120326727 | COMPOUND TEST METHOD OF HIGH VOLTAGE DIRECT CURRENT TRANSMISSION CONVERTER VALVE - The present provided a compound test method of high voltage direct current transmission converter valve. The invention method adopted two independent high voltage sources to supply forward and reverse high voltage in blocking interval. It causes that the test voltage of the test valve is more close to that of the real operation. The experiment equivalence is better. Moreover, by controlling the scheduling of two high voltage sources, it can produce more waveforms, can choose different combination according to program requirements and design character; this method has large choice room and flexibility. | 2012-12-27 |
20120326728 | ON-CHIP MEASUREMENT OF AC VARIABILITY IN INDIVIDUAL TRANSISTOR DEVICES - An apparatus for determining alternating current (AC) delay variation of a transistor device under test includes a ring oscillator, the ring oscillator having the transistor device under test configured within a feedback path of the ring oscillator; and circuitry configured to measure a difference between a first signal delay path and a second signal delay path, the first signal delay path being between a gate terminal and a drain terminal of the transistor device under test, and the second signal delay path being between a source terminal and the drain terminal of the transistor device under test. | 2012-12-27 |
20120326729 | Lower Power Localized Distributed Radio Frequency Transmitter - Methods and systems are disclosed for wireless communication, and in particular using a coaxial antenna for distributed wireless transmission. In one example, a wireless transmitter is disclosed that includes a radio frequency signal source and a coaxial cable including a near end and a far end. The near end is electrically connected to the radio frequency signal source and configured to receive signals from the radio frequency signal source. The coaxial cable has an inner conductor and an outer conductor. The wireless transmitter includes a shorting connection at the far end of the coaxial cable, the shorting connection electrically connecting the inner conductor and the outer conductor, and a plurality of openings along the coaxial cable spaced at predetermined locations to output signals generated by the radio frequency signal source. The invention can be used for RF attenuation monitoring and/or testing applications. | 2012-12-27 |
20120326730 | SENSOR ASSEMBLY AND MICROWAVE EMITTER FOR USE IN A SENSOR ASSEMBLY - A microwave probe for use in a microwave sensor assembly includes an emitter body and an emitter coupled to the emitter body. The emitter includes a first portion, a second portion, and a connecting portion coupling the first portion to the second portion. The first portion and the second portion generate an electromagnetic field when at least one microwave signal is received, and a loading is induced to the emitter when an object is positioned within the electromagnetic field. | 2012-12-27 |
20120326731 | SENSOR ASSEMBLIES USED TO DETECT THE PROXIMITY OF A MATERIAL TO A MICROWAVE ELEMENT - Sensor assemblies used to detect the proximity of a material to a microwave element are disclosed. One example sensor assembly includes a signal generator configured to generate at least one microwave signal, a coupler connected to the signal generator, a microwave element coupled to the coupler, and a processing module connected to the coupler. The microwave element is configured to generate an electromagnetic field as a function of said at least one microwave signal. The microwave element is structured to reflect a loading signal to said coupler when a material interacts with the electromagnetic field. The processing module is configured to process the loading signal with a reference signal to generate a data signal representative of the proximity of the material to the microwave element. The data signal defines a sub-microwave frequency. | 2012-12-27 |
20120326732 | NANOSENSOR AND METHOD OF DETECTING TARGET MOLECULE BY USING THE SAME - The present disclosure includes a sensor and method for detecting a target molecule. In one instance, a sensor comprises a substrate including a hole, a first insulating layer located on the substrate and including a first nanopore corresponding to the hole, a first electrode, a second electrode, wherein the first electrode and the second electrode are located on a surface of the first insulating layer and are spaced apart by the first nanopore forming a nanogap, and a modulation unit configured to apply a unit input signal between the first electrode and the second electrode, wherein at least one unit input signal is applied as a target molecule passes through the nanogap. | 2012-12-27 |
20120326733 | LIQUID SENSOR - A liquid sensor may comprise an electrode unit and a calculating unit. The electrode unit may be capable of respectively connecting with a first oscillating unit and a second oscillating unit. The first oscillating unit may output a first frequency signal having an amplitude of Vin | 2012-12-27 |
20120326734 | CAPACITANCE SENSOR WITH IMPROVED NOISE FILTERING CHARACTERISTICS, METHOD FOR NOISE FILTERING OF CAPACITANCE SENSOR AND COMPUTER-READABLE RECORDING MEDIUM - Disclosed is a capacitance sensor including: a capacitance-voltage/current converter which converts a capacitance value of a sense capacitor into a voltage signal or a current signal by using an input signal; a multiplier which applies a weight to an output signal of the capacitance-voltage/current converter and outputs the weighted output signal; and an accumulator which accumulates continuously the output signal of the multiplier. | 2012-12-27 |
20120326735 | SENSOR SYSTEM FOR STEERING WHEEL FOR VEHICLE - A sensor system for a steering wheel of a vehicle includes a first sensor disposed within a first portion of the steering wheel to detect contact with a front left surface of the steering wheel. The sensor system includes a second sensor disposed within a second portion of the steering wheel separate from the first portion to detect contact with a front right surface of the steering wheel. The sensor system also includes a third sensor disposed within the steering wheel to detect contact with a rear surface of the steering wheel. The first, second and third sensors are configured to respectively detect touching of the front left surface, the front right, and the rear surface of the steering wheel by a hand or a non-hand part of an operator of the vehicle. The first, second and third sensors can be complex impedance sensors. | 2012-12-27 |
20120326736 | DETECTING ACCESSORIES ON AN AUDIO OR VIDEO JACK - A detection circuit can be configured to receive a digital value from an identification register and to determine a resistance at a conducting terminal of an audio or video jack plug using the digital value. The detection circuit can include a current source that outputs a current according to the digital value from the identification register and a comparator that compares a reference voltage to a voltage created by the current source across the resistance at the conducting terminal of the audio or video jack plug. A control logic circuit can be configured to store the digital value in the identification register, generate an interrupt signal to cause a processor to read the digital value, and identify a function of an accessory device including the audio or video jack plug, when the detection circuit determines the resistance at the conducting terminal of the audio or video jack plug. | 2012-12-27 |
20120326737 | METHOD OF MEASURING SCATTERING PARAMETERS OF DEVICE UNDER TEST - A method of measuring scattering parameters (S-parameters) of a device under test (DUT) is provided in the present disclosure. The S-parameters of the DUT with two connectors of different standards may be obtained without performing a full two-port calibration using an adapter kit. Two one-port calibrations are performed in the present disclosure to build two error models, the first one of which includes the characteristics of one-port of a network analyzer and a cable, the second one of which further includes the characteristics of the DUT. Therefore, the characteristics of the DUT may be obtained by removing the characteristics of the first error model from the second error model. | 2012-12-27 |
20120326738 | PATTERN SYNTHESIS APPARATUS AND SEMICONDUCTOR TEST SYSTEM HAVING THE SAME - A semiconductor test system includes a user device configured to operate a reference device in accordance with an interface signal based on a timing signal having a variable operating frequency, a pattern synthesis apparatus configured to measure an interval between adjacent edges of the timing signal transmitted from the user device, and extract a logic value of the interface signal in accordance with the timing signal so as to generate test pattern data, and a test device configured to receive the test pattern data, reconstruct the timing signal based on the measured interval, generate a test driving signal such that the logic value is extracted from a device under test (DUT) based on the reconstructed timing signal, and apply the test driving signal to the DUT so as to determine an operating state of the DUT. | 2012-12-27 |
20120326739 | SELF-ISOLATING MIXED DESIGN-RULE INTEGRATED YIELD MONITOR - Assessing open circuit and short circuit defect levels in circuits implemented in state of the art ICs is difficult when using conventional test circuits, which are designed to assess continuity and isolation performance of simple structures based on individual design rules. Including circuit blocks from ICs in test circuits provides a more accurate assessment of defect levels expected in ICs using the circuit blocks. Open circuit defect levels may be assessed using continuity chains formed by serially linking continuity paths in the circuit blocks. Short circuit defect levels may be assessed by using parallel isolation test structures formed by linking isolated conductive elements in parallel to buses. Forming isolation connections on a high metal level enables location of shorted elements using voltage contrast on partially deprocessed or partially fabricated test circuits. | 2012-12-27 |
20120326740 | BURN-IN TESTING APPARATUS - A testing apparatus includes a thermal control chamber including a test room, which temperature is controlled within a testing temperature range; a carrier frame including a direction guiding unit installed securely within the test room and formed with one guiding groove and a carrier rod extending through the guiding groove in the direction guiding unit; and a clamping unit mounted on the carrier rod for clamping a display-panel module securely, wherein, movement of the carrier rod transversely within the guiding groove relative to the direction guiding unit results in disposing the display-panel module to extend along one of several testing directions for undergoing a burn-in test. | 2012-12-27 |
20120326741 | APPARATUS FOR TRANSMISSION TESTING OF A TELECOMMUNICATIONS JACK - Apparatus ( | 2012-12-27 |
20120326742 | ELECTRICALLY MODULATABLE EXTENDED LIGHT SOURCE AND A MEASUREMENT DEVICE FOR CHARACTERIZING A SEMICONDUCTOR INCLUDING ONE SUCH SOURCE - A light source for injecting excess carriers into a semiconductor wafer, fully illuminating a surface of the wafer. The source includes at least one set of point sources which are spaced apart at regular intervals along the X and Y axes, such that the source emits a monochromatic beam of a size that is at least equal to that of the semiconductor wafer surface to be illuminated. Each of the point sources is sinusoidally modulated by a common electrical modulator, the distance between two point sources and the distance between the source and the semiconductor wafer surface to be illuminated being selected such that the monochromatic light beam uniformly illuminates the surface. | 2012-12-27 |
20120326743 | SEMICONDUCTOR DEVICE AND METHOD OF TESTING THE SAME - A semiconductor device includes a unit region including a circuit test region and a probe test region. The circuit test region includes a test circuit and a plurality of circuit test pads operatively coupled to the test circuit. The probe test region includes first and second probe test pads insulated from the circuit test pads, and a first resistance pattern operatively coupled to the first and second probe test pads. | 2012-12-27 |
20120326744 | ACTIVE-MATRIX SUBSTRATE, ACTIVE-MATRIX TESTING METHOD, DISPLAY PANEL, AND DISPLAY PANEL MANUFACTURING METHOD - An active-matrix substrate includes: a substrate; gate lines disposed on the substrate; source lines disposed on the substrate in a direction that crosses the gate lines; a first terminal provided for each of data line blocks obtained by grouping every m-lines (m being an integer greater than or equal to 2) of the source lines into a block; a first selection circuit provided for each of the data line blocks, for causing conduction between the first terminal and at least one source line selected from among the m source lines; a second terminal provided for every n-blocks (n being an integer greater than or equal to 2) of the data line blocks; and a second selection terminal provided for every n-blocks of the data line blocks, for causing conduction between the second terminal and at least one source line selected from among the m×n source lines. | 2012-12-27 |
20120326745 | Current-Mode Logic Buffer with Enhanced Output Swing - A differential buffer circuit having increased output voltage swing includes a differential input stage including at least first and second transistors, the first and second transistors being operative to receive first and second signals, respectively. The buffer circuit further includes a bias stage connected between the differential input stage and a first voltage source. The bias stage is operative to generate a quiescent current as a function of a third signal supplied to the bias stage. A load circuit is connected between a second voltage source and the differential input stage, first and second differential outputs of the buffer circuit being generated at a junction between the load circuit and the differential input stage. The load circuit includes first and second switching elements coupled with the first and second transistors, respectively. The first switching element is operative to electrically connect the first differential output to the second voltage source when the first transistor is turned off. The second switching element is operative to electrically connect the second differential output to the second voltage source when the second transistor is turned off. | 2012-12-27 |
20120326746 | METHODS AND APPARATUSES FOR DYNAMIC MEMORY TERMINATION - Described herein are a method and an apparatus for dynamically switching between one or more finite termination impedance value settings to a memory input-output (I/O) interface of a memory in response to a termination signal level. The method comprises: setting a first termination impedance value setting for a termination unit of an input-output (I/O) interface of a memory; assigning the first termination impedance value setting to the termination unit when the memory is not being accessed; and switching from the first termination impedance value setting to a second termination impedance value setting in response to a termination signal level. | 2012-12-27 |
20120326747 | RECONFIGURABLE LOGIC DEVICE - A logic device that includes a plurality of non-volatile memory cells configured to store possible output results related to the input signal. The logic device generating an output signal by selecting and accessing one of the plurality of non-volatile memory cells based on the input signal. | 2012-12-27 |
20120326748 | LOGIC DEVICE AND SEMICONDUCTOR PACKAGE HAVING THE SAME - According to example embodiments, a logic device includes a first functional block configured to perform a first operation according to first operation information and a second operation according to second operation information, and a second functional block configured to perform a third operation according to the first operation information and a fourth operation according to the second operation information. The first functional block is configured to receive configuration information, to select one of the first operation information and the second operation information based on the configuration information, and to perform the first or second operation based on the selected first or second operation information. The second functional block is configured to receive the configuration information, to select one of the first operation information and the second operation information based on the configuration information, and to perform the third or fourth operation based on the selected first or second operation information. | 2012-12-27 |
20120326749 | INTERCONNECTED ARRAY OF LOGIC CELLS RECONFIGURABLE WITH INTERSECTING INTERCONNECTION TOPOLOGY - An interconnected array of reconfigurable logic cells which carry out at least one logic function, externally connected to peripheral connection network equipped with switch boxes and connected to programmable input/output blocks. The logic cells are distributed in a first dimension in rows i with i=1 to d and a second dimension in columns j with j=1 to w, with d≧2 and w=2 or d=2 and w≧2, each logic cell including a second input, a second input, a first output and a second output, the first input of each logic cell and the first output of each logic cell being connected to the connection network, the second input and the second output of each logic cell being connected to other different column and row logic cells except for the first and last rows or columns for d>2 or w>2 respectively. | 2012-12-27 |
20120326750 | DUTY CYCLE BASED PHASE INTERPOLATORS AND METHODS FOR USE - Duty cycle based phase interpolators, and methods for implementing duty cycle based phase interpolators are disclosed. One such phase interpolator includes a first pulse width modulator configured to generate a first duty cycle signal, and a second pulse width modulator configured to generate a second duty cycle signal. The phase interpolator further includes a logic unit configured to merge the first duty cycle signal and the second duty cycle signal to produce a periodic digital signal with a controllable phase depending on the first and second duty cycle signals. | 2012-12-27 |
20120326751 | FREQUENCY JUDGMENT DEVICE, VOLTAGE COMPARATOR CIRCUIT, AND FREQUENCY MEASUREMENT DEVICE - The frequency decision device determines frequency of the measured rectangular signal by simple and easy means. The frequency decision device inputs the measured rectangular signal that frequency (or period) changes dynamically. It generates a rectangular reference signal of predetermined on width τ synchronizing to the edge based on a positive going edge of this measured rectangle signal. And it watches the order of measured rectangle signal and falling edges of the rectangular reference signal. When this sequential order reversed, it detects that length of the ON time of ON time of the measured rectangle signal and the measured rectangular signal reversed. | 2012-12-27 |
20120326752 | DESIGN METHOD AND STRUCTURE FOR A TRANSISTOR HAVING A RELATIVELY LARGE THRESHOLD VOLTAGE VARIATION RANGE AND FOR A RANDOM NUMBER GENERATOR INCORPORATING MULTIPLE ESSENTIALLY IDENTICAL TRANSISTORS HAVING SUCH A LARGE THRESHOLD VOLTAGE VARIATION RANGE - Disclosed are a design method and structure for a transistor having a relatively large threshold voltage (Vt) variation range due to exacerbated random dopant fluctuation (RDF). Exacerbated RDF and, thereby a relatively large Vt variation range, is achieved through the use of complementary doping in one or more transistor components and/or through lateral dopant non-uniformity between the channel region and any halo regions. Also disclosed are a design method and structure for a random number generator, which incorporates multiple pairs of essentially identical transistors having such a large Vt variation and which relies on Vt mismatch in pairs of those the transistors to generate a multi-bit output (e.g., a unique identifier for a chip or a secret key). By widening the Vt variation range of the transistors in the random number generator, detecting Vt mismatch between transistors becomes more likely and the resulting multi-bit output will be more stable. | 2012-12-27 |
20120326753 | RECEIVING CIRCUITS FOR CORE CIRCUITS - A receiving circuit for a core circuit is provided and includes a first receiving-path unit. The first receiving-path unit is capable of receiving an input signal and outputting an output signal to the core circuit according to the input signal. The first receiving-path unit includes an input buffer which is capable of operating in a core power domain of the core circuit and receiving a first clamped signal. When a level of the input signal is substantially equal to or lower than a first predetermined voltage level, the input signal is passed to the input buffer to serve as the first clamped signal, and the input buffer is capable of outputting the output signal in the core power domain according to the first clamped signal. When the level of the input signal is higher than the first predetermined voltage level, the input signal is not passed to the input buffer. | 2012-12-27 |
20120326754 | High Performance Pre-Mixer Buffer in Wireless Communications Systems - According to one embodiment, a high performance buffer for use in a communications system includes first and second differential blocks. Each of the first and second differential blocks comprise one or more driving transistors for generating a driving current for a load of the high performance buffer, and a feedback path for adjusting the operation of the one or more driving transistors. The feedback path includes a feedback transistor for receiving a common mode bias voltage, wherein the common mode bias voltage depends at least in part on a threshold voltage of the feedback transistor. The feedback path includes a programmable resistor and capacitor to reduce out of band loop gain and the noise. The high performance buffer is configured to achieve a high linearity, low output impedance, and low noise, and is suitable for use as a pre-mixer buffer in a wireless communications system. | 2012-12-27 |
20120326755 | BIAS CIRCUIT - A bias circuit for an operating transistor has a first resistor disposed in a path for supplying a bias current to a base of the operating transistor, a first transistor for applying the bias current flowing to the first resistor, a second transistor for applying a corresponding current corresponding to the bias current supplied via at least one current mirror circuit, a third transistor having bases connected in common with the first transistor for applying the corresponding current, a second resistor for applying the corresponding current and obtaining a voltage drop corresponding to a voltage drop at the first resistor, and a fourth transistor receiving a reference voltage at an emitter side and having a base connected to an emitter side of the third transistor. | 2012-12-27 |
20120326756 | ELECTRONIC CIRCUIT AND METHOD FOR TESTING AND KEEPING A MOS TRANSISTOR SWITCHED-OFF - The electronic circuit includes a transistor having a gate terminal, a source terminal and a drain terminal. A resistor has a first terminal connected to the gate terminal and has a second terminal connected to an auxiliary pad. When the electronic circuit is operating in a test phase and is configured for receiving a test signal for performing the test of the transistor, the auxiliary pad is electrically floating. When the electronic circuit is operating in a normal phase and is configured for receiving a supply voltage, the auxiliary pad is electrically connected to a voltage value smaller than the sum of the voltage value of the source terminal with the threshold voltage value of the transistor. | 2012-12-27 |
20120326757 | CIRCUIT ARRANGEMENT AND METHOD FOR GENERATING A DRIVE SIGNAL FOR A TRANSISTOR - Disclosed is a circuit arrangement for generating a drive signal for a transistor. In one embodiment, the circuit arrangement includes a control circuit that receives a switching signal, a driver circuit that outputs a drive signal, and at least one transmission channel. The control circuit transmits, depending on the switching signal for each switching operation of the transistor, switching information and switching parameter information via the transmission channel to the driver circuit. The driver circuit generates the drive signal depending on the switching information and depending on the switching parameter information. | 2012-12-27 |
20120326758 | FREQUENCY SYNTHESIS DEVICE WITH FEEDBACK LOOP - A frequency synthesis device with a feedback loop includes: a phase-comparison control circuit; a frequency conversion unit voltage controlled by the control circuit; a feedback loop for supplying at least one signal issuing from the frequency conversion unit to the control circuit; at least one other control circuit for voltage control of the frequency conversion unit; and at least one other feedback loop for supplying at least one other signal issuing from the frequency conversion unit to the other control circuit. | 2012-12-27 |
20120326759 | REFERENCE QUANTITY GENERATOR - A reference quantity generator for generating a reference quantity includes a reference source configured to provide a reference source signal, a digitally controlled signal source and a digital controller. The digitally controlled signal source is configured to provide a digitally controlled quantity. The reference quantity is determined based on the digitally controlled quantity. The digital controller is configured to provide a digital control signal to control the digitally controlled signal source to adapt the digitally controlled quantity based on the reference source signal using a feedback. | 2012-12-27 |
20120326760 | PROGRAMMABLE DUTY CYCLE SELECTION USING INCREMENTAL PULSE WIDTHS - A method and device for generating a waveform according to programmable duty cycle control bits from a divided frequency reference signal. The device may include: a timing circuit that inputs a CLOCK signal having a 50% duty cycle to a divider, whose output varies over a plurality of divide-by-n settings; and a waveform generator. The waveform generator may, after a last low clock pulse is counted for a current evaluative cycle and before a beginning of a next evaluative cycle, shift a prior duty cycle waveform by ½ of a CLOCK cycle, to provide an incremented duty cycle for the waveform. Alternatively, the waveform generator may increment a gating signal from an adder, which determines an onset of an inoperative or low portion of the programmed duty cycle. | 2012-12-27 |
20120326761 | PROCESSOR FREQUENCY ADJUSTMENT CIRCUIT - A processor frequency adjustment circuit for adjusting a frequency of a processor includes a voltage converting module, a first reference voltage generating module, a clock chip, a voltage comparing module. The voltage converting module converts a pulse voltage into a constant voltage. The first reference voltage generating module generates a first reference voltage. The voltage comparing module is connected with the voltage converting module, the first reference voltage generating module, and the clock chip to compare the constant voltage with the first reference voltage, and generates a first voltage level signal to a first terminal of the clock chip; the clock chip adjusts the frequency of the processor in response to obtaining the first voltage level signal. | 2012-12-27 |
20120326762 | OSCILLATOR CIRCUIT - An oscillator circuit includes an oscillator output signal generating circuit configured to generate an oscillator output signal using an oscillator as a resonator, an amplitude detection circuit configured to detect the amplitude of the oscillator output signal and compare the detected amplitude with a threshold; and a boost circuit configured to boost the oscillator output signal according to the result of the comparison at the amplitude detection circuit. The amplitude detection circuit includes an absolute value circuit configured to obtain an absolute value signal of the oscillator output signal, a low-pass filter configured to convert the absolute value signal into a low-frequency signal, and a comparator configured to compare the low-frequency signal with the threshold. | 2012-12-27 |
20120326763 | SYSTEM AND METHOD FOR PROVIDING A CARBON NANOTUBE MIXER - An embodiment of a system and method provides a carbon nanotube transistor (CNT) mixer with a low local oscillator power requirement and no inter-modulation products. Specifically, an embodiment of the system and method provides two kinds of device current-voltage (I-V) characteristics on the same integrated circuit: exponential and linear. The CNT I-V characteristics support both the ideal exponential control characteristic (determined by physics constants) and the ideal linear control characteristic (also determined by physics constants), resulting in an ideal multiplier. In other words, the CNT mixer is mathematically equivalent to an ideal multiplier. Such an ideal multiplier can be used as a mixer with low local oscillator power requirement and virtually no inter-modulation products. | 2012-12-27 |
20120326764 | MIPI ANALOG SWITCH FOR AUTOMATIC SELECTION OF MULTIPLE IMAGE SENSORS - An MIPI interface is connected to two sensor sources that each may be transferring both high and low speed information, typically video information in the high speed state. The clock signals are monitored and when one of the clock signals exceed a threshold, an analog switch between the MIPI interface and the sensors, may connect the other source to the MIPI interface. | 2012-12-27 |
20120326765 | REFERENCE CURRENT DISTRIBUTION - Example reference current distribution circuitry described herein include current mirrors having resistive elements of varying sizes between gate nodes of sense amplifier transistors along a voltage distribution line. Examples of counter coupling capacitances which may be coupled to the gate nodes of sense amplifier transistors are also described. | 2012-12-27 |
20120326766 | Silicon Controlled Rectifier with Stress-Enhanced Adjustable Trigger Voltage - Device structures, fabrication methods, operating methods, and design structures for a silicon controlled rectifier. The method includes applying a mechanical stress to a region of a silicon controlled rectifier (SCR) at a level sufficient to modulate a trigger current of the SCR. The device and design structures include a SCR with an anode, a cathode, a first region, and a second region of opposite conductivity type to the first region. The first and second regions of the SCR are disposed in a current-carrying path between the anode and cathode of the SCR. A layer is positioned on a top surface of a semiconductor substrate relative to the first region and configured to cause a mechanical stress in the first region of the SCR at a level sufficient to modulate a trigger current of the SCR. | 2012-12-27 |
20120326767 | ACTIVE CHEMICALLY-SENSITIVE SENSORS - Methods and apparatus relating to FET arrays for monitoring chemical and/or biological reactions such as nucleic acid sequencing-by-synthesis reactions. Some methods provided herein relate to improving signal (and also signal to noise ratio) from released hydrogen ions during nucleic acid sequencing reactions. | 2012-12-27 |
20120326768 | Hybrid Impedance Compensation in a Buffer Circuit - A compensation circuit for controlling a variation in output impedance of at least one buffer circuit includes a monitor circuit and a control circuit coupled with the monitor circuit. The monitor circuit includes a pull-up portion including at least one PMOS transistor and a pull-down portion comprising at least one NMOS transistor. The monitor circuit is configured to track an operation of an output stage of the buffer circuit and is operative to generate at least a first control signal indicative of a status of at least one characteristic of corresponding pull-up and pull-down portions in the output stage of the buffer circuit over variations in PVT conditions to which the buffer circuit may be subjected. The control circuit is operative to generate a set of digital control bits as a function of the first control signal. The set of digital control bits is operative to compensate the pull-up and pull-down portions in the output stage of the buffer circuit over prescribed variations in PVT conditions. | 2012-12-27 |
20120326769 | ARCHITECTURE AND METHOD FOR SUPPORTING ZIF OR LIF/IF SYSTEMS - Architecture for supporting ZIF or LIF/IF systems includes 4N pins, 2N ADCs, a determination unit and a processing unit, N being a positive integer. The 2N ADCs include a y-th ADC for converting a differential analog signal received by a (2y−1)-th pin and a 2y-th pin into a y-th digital signal, y being positive integers ranging from 1 to 2N. The determination unit determines whether the digital signals are ZIF signals, LIF signals or IF signals. The processing unit performs an ZIF system processing on the ZIF signals, performs a LIF system processing on the LIF signals, and performs an IF system processing on the IF signals. | 2012-12-27 |
20120326770 | BOOSTING CIRCUIT - A boosting circuit, includes an output circuit including a first transmission circuit, transmitting charges of a first boosting node to a first output node according to a first transmission control signal, a detection circuit, detecting the voltage level of the first output node, and a pre-charge circuit pre-charging the first boosting node according a detection signal of the detection circuit; a first pump circuit includes a second transmission circuit, transmitting charges to a second output node according to a second transmission control signal, and a first capacitance unit, coupled to the first boosting node, boosting the voltage level of the first boosting node according to charges transmitted in the second output node; and a control circuit, coupled to the output circuit and the first pump circuit, controls the second transmission control signal according to the voltage level of the first output node. | 2012-12-27 |
20120326771 | CHARGE PUMP CIRCUIT AND METHODS OF OPERATION THEREOF - A method of generating a voltage supply (Vout+, Vout−) from a single input supply (+V | 2012-12-27 |
20120326772 | Integrated circuit with power gating - An integrated circuit includes a main power rail, a ground power rail as well as a virtual main power rail and a virtual ground power rail. Combinatorial logic circuitry is connected to draw its power from the virtual main power rail and the virtual ground power rail. Signal value storage circuitry is connected to draw its power from one of the main power rail and the ground power rail with the other power connection being to a virtual rail. The integrated circuit has an operational mode, a retention mode and a power off mode. In the retention mode, the voltage difference across the combinatorial logic circuitry is a low power voltage difference insufficient to support data processing operations whereas the voltage difference across the signal value storage circuitry is higher and is sufficient to support signal value retention within the signal value storage circuitry. | 2012-12-27 |
20120326773 | SYSTEMS AND METHODS FOR POWER TRANSFER BASED ON RESONANCE COUPLING OF INDUCTORS - An integrated circuit (IC) includes first and second resonator circuits and an isolation barrier. The first resonator circuit includes first and second inductors, wherein the first resonator circuit is connected to a supply voltage. The second resonator circuit includes third and fourth inductors, wherein the second resonator circuit is matched to the first resonator circuit. The isolation barrier separates the first and second resonator circuits. The first and second inductors are inductively coupled to the third and fourth inductors, respectively, thereby providing for transfer of power from the first resonator circuit across the isolation barrier to the second resonator circuit. | 2012-12-27 |
20120326774 | SWITCHING CIRCUIT - A switching circuit according to one embodiment includes: a switching element that has a first terminal and a second terminal, and is driven by a pulse signal to switch a conduction state between the first and second terminals; a power source section that supplies a voltage to the first terminal; a load circuit that is connected in parallel with the power source section; a passive circuit section that is connected between a connection point between the power source section and the load circuit, and the first terminal, and suppresses a current flowing from the connection point to the switching element at a frequency N times (N is an integer of 1 or more) as high as a clock frequency of the pulse signal; and a resonant circuit section that is connected between the passive circuit section and the connection point, and resonates at the frequency of N times. | 2012-12-27 |
20120326775 | CHIP SELECT CIRCUIT AND SEMICONDUCTOR APPARATUS INCLUDING THE SAME - A chip select circuit includes a chip select identification unit, a chip select control unit and a data input unit. The chip select identification unit generates a chip select identification signal in response to a chip select enable signal and an address signal. The chip select control unit provides the chip select identification signal as a chip select signal or provides a signal fixed to a predetermined level as the chip select signal, in response to a test mode signal. The data input unit receives data in response to the chip select signal. | 2012-12-27 |
20120326776 | BATTERY POLARITY CONTROL SYSTEM - An input power circuit for a battery-powered device, such as a toy or consumer electronic device, includes a polarity correction circuit portion. The device includes a first input terminal and a second input terminal, a first output terminal and a second output terminal, and a diode with a forward voltage drop of about 0.5 volts or less. In embodiments, the polarity correction circuit portion is configured to provide a positive voltage polarity at the first output terminal and a negative voltage polarity at the second output terminal for any polarity of power at the first input terminal and the second input terminal. The polarity correction circuit portion can include a diode bridge, and the diode may include a Schottky diode or a germanium diode. | 2012-12-27 |
20120326777 | AMPLIFIER CIRCUIT AND RADIO COMMUNICATION APPARATUS - An amplifier circuit of envelope tracking has a timing adjusting unit having a finite number of adjustment values for adjusting time by which the output is delayed from the input, and capable of adjusting a time difference between an input signal and a power supply voltage which reach an amplifier, by making a selection from the adjustment values; a test signal output unit capable of repeatedly sending out a test signal serving as the input signal at predetermined cycles; and an adjustment value determining unit sequentially measuring output power for m (≦k) periods from the amplifier while changing an adjustment value of the timing adjusting unit to a different value every k period of the test signal, searching for an adjustment value at which a total sum of the output power for m periods is maximum, and setting the adjustment value on the timing adjusting unit. | 2012-12-27 |
20120326778 | CLOSED LOOP BIAS CONTROL - This disclosure relates to radio frequency (RF) amplification devices and methods for amplifying an RF input signal. To set the quiescent operating level of the RF output signal, a bias signal to be applied to the RF input signal is received prior to amplifying the RF input signal. The bias signal is amplified to generate the RF output signal at the quiescent operating level and a feedback signal is received that is indicative of the quiescent operating level of the RF output signal. Prior to amplifying the RF input signal, the bias signal level of the bias signal is adjusted such that the quiescent operating level is set to a reference signal level based on the feedback signal level. This allows for adjustments to be made to the quiescent operating level and maintain the quiescent operating level at a desired value. | 2012-12-27 |
20120326779 | Amplifier circuit and method for conditioning an output current signal of a detector element - An amplifier circuit comprises a detector element with signal-dependent output current, a load resistance and an operational amplifier. A terminal of the detector element and the load resistance are electrically connected to an input of the operational amplifier. The load resistance is provided in the form of at least two series-connected part-resistors. A compensation capacitor is in each case connected in parallel with each part-resistor, or a number of series-connected part-compensation capacitors are connected in parallel with each part-resistor. The output of the operational amplifier is connected to two of the compensation capacitors or part-compensation capacitors by a feed capacitor so that the effect of a parasitic capacitance of the load resistance is at least partially compensated for. | 2012-12-27 |
20120326780 | COUPLER AND AMPLIFIER ARRANGEMENT - A coupler comprises a first line ( | 2012-12-27 |
20120326781 | TRANSMISSION MODULE AND PHASED ARRAY ANTENNA APPARATUS - A transmission module including a power supply voltage control unit that sets a power supply voltage to the high frequency amplifier in a variable manner, and a control circuit that controls an amplitude control unit, a phase control unit and the power supply voltage control unit. The control circuit and the power supply voltage control unit control the power supply voltage in accordance with an output power of the high frequency amplifier. The transmission module can carry out not only phase control but also amplitude control in a continuous manner, while suppressing amplitude and phase variation, and a high frequency amplifier in the transmission module is made highly efficient. In addition, a large directional gain, a low side lobe level and a low power consumption are achieved, as a phased array antenna apparatus using a transmission module. | 2012-12-27 |
20120326782 | AUTOMATIC GAIN CONTROL CIRCUIT - In an automatic gain control circuit, a peak detection circuit detects and outputs the peak voltage of an output signal from a variable gain circuit. An average value detection/output amplitude setting circuit detects the average value voltage of an output signal from the variable gain circuit, and outputs a calculated voltage. An amplification circuit controls the gain of the variable gain circuit by amplifying the difference between the output voltages of the peak detection circuit and average value detection/output amplitude setting circuit. The number of base-emitter junctions of transistors on a path in the peak detection circuit from input ports which receive output signals from the variable gain circuit to an output port which outputs a voltage to the amplification circuit is equal to the number of base-emitter junctions of transistors on a path in the average value detection/output amplitude setting circuit. | 2012-12-27 |
20120326783 | LOW-VOLTAGE POWER-EFFICIENT ENVELOPE TRACKER - Techniques for efficiently generating a power supply are described. In one design, an apparatus includes an envelope amplifier and a boost converter. The boost converter generates a boosted supply voltage having a higher voltage than a first supply voltage (e.g., a battery voltage). The envelope amplifier generates a second supply voltage based on an envelope signal and the boosted supply voltage (and also possibly the first supply voltage). A power amplifier operates based on the second supply voltage. In another design, an apparatus includes a switcher, an envelope amplifier, and a power amplifier. The switcher receives a first supply voltage and provides a first supply current. The envelope amplifier provides a second supply current based on an envelope signal. The power amplifier receives a total supply current including the first and second supply currents. In one design, the switcher detects the second supply current and adds an offset to generate a larger first supply current than without the offset. | 2012-12-27 |
20120326784 | POWER AMPLIFIER - A power amplifier includes: an input terminal at which an input signal is input; a first amplifier element amplifying the input signal; a second amplifier element amplifying an output signal of the first amplifier element; an output terminal from which an output signal of the second amplifier element is output; a matching circuit connected between an output of the second amplifier element and the output terminal; a first switch connected between an output of the first amplifier element and an input of the second amplifier element; and a second switch having a first end connected to the output of the first amplifier element, and a second end. The matching circuit includes a first inductor and a first capacitor connected in series between the output of the second amplifier element and a grounding point. The second end of the second switch is connected to a connecting point of the first inductor to the first capacitor. | 2012-12-27 |
20120326785 | DIFFERENCE AMPLIFIER ARRANGEMENT WITH TRANSCONDUCTANCE AMPLIFIER BASED CURRENT COMPENSATION - An amplifier arrangement constituted of: a first input lead; a second input lead; a difference amplifier; a first buffer, the input of the first buffer coupled to the first input lead, the output of the first buffer coupled to a first input of the difference amplifier; a second buffer, the input of the second buffer coupled to the second input lead, the output of the second buffer coupled to a second input of the difference amplifier; and a transconductance amplifier, the non-inverting input and the non-inverted output of the transconductance amplifier coupled to the first input of the difference amplifier, the inverting input and the inverted output of the transconductance amplifier coupled to the second input of the difference amplifier. The input signals are thus buffered and the offset of the buffers are compensated for. | 2012-12-27 |
20120326786 | DELAY LINES, AMPLIFIER SYSTEMS, TRANSCONDUCTANCE COMPENSATING SYSTEMS AND METHODS OF COMPENSATING - Embodiments of delay lines may include a plurality of delay stages coupled to each other in series from a first stage to a last stage. Each delay stage may include an input transistor receiving a signal being delayed by the delay line. The delay line may include a compensating circuit configured to compensate for a change in a transconductance of the input transistor resulting from various factors. One such compensating circuit may be configured to provide a bias signal at an output node having a magnitude that is a function of a transconductance of a transistor in the compensating circuit. The bias signal may be used by each of the delay stages to maintain the gain of the respective delay stage substantially constant, such as a gain of substantially unity, despite changes in a transconductance of the respective input transistor in each of the delay stages. | 2012-12-27 |
20120326787 | VARIABLE-GAIN AMPLIFIER CIRCCUIT AND RECEIVER INCLUDING THE SAME - A variable-gain amplifier (VGA) circuit comprises a plurality of cascaded VGAs each having a gain that varies linearly according to a gain control voltage. The VGA circuit has an overall gain that varies exponentially according to the gain control voltage without the use of an exponential function generator circuit. | 2012-12-27 |
20120326788 | Amplifier Bandwidth Extension for High-Speed Tranceivers - There is presented a high bandwidth circuit for high-speed transceivers. The circuit may comprise an amplifier combining capacitor splitting, inductance tree structures, and various bandwidth extension techniques such as shunt peaking, series peaking, and T-coil peaking to support data rates of 45 Gbs/s and above while reducing data jitter. The inductance elements of the inductance tree structures may also comprise high impedance transmission lines, simplifying implementation. Additionally, the readily identifiable metal structures of inductors and t-coils, the equal partitioning of the load capacitors, and the symmetrical inductance tree structures may simplify transceiver implementation for, but not limited to, a clock data recovery circuit. | 2012-12-27 |
20120326789 | ACTIVE NEUTRALIZATION DEVICE - The present invention relates to a device for neutralization of a signal obtained by transposition to a high frequency of a useful signal supplied by a unit of equipment, the said equipment having a spurious capacitance C | 2012-12-27 |
20120326790 | AMPLIFIER DEVICE WITH REITERABLE ERROR CORRECTION SCHEME WITH BALANCED NEGATIVE FEEDBACK - A very low distortion amplifier using one or more error correction loops based on a balanced error negative feedback scheme intrinsically and easily reiterable. Such loops are applied to a generic amplifier block A | 2012-12-27 |
20120326791 | Voltage Controlling Circuit - A voltage clamping module is disposed at an output terminal of a gain amplifying module, so that a voltage level of an amplifying signal outputted by the gain amplifying module can be clamped within a predetermined range. The voltage clamping module includes an upper bound voltage clamping module, which is utilized for limiting the voltage level of the amplifying signal to be lower than an upper bound voltage level, and a lower bound voltage clamping module, which is utilized for limiting the voltage level of the amplifying signal to be higher than a lower bound voltage level. | 2012-12-27 |
20120326792 | SYSTEMATIC INTERMODULATION DISTORTION CALIBRATION FOR A DIFFERENTIAL LNA - Systematic IM2 calibration for a differential LNA is disclosed. In an aspect, an apparatus includes an amplifier configured to output an amplified signal having a level of systematic pre-mixer IM2 distortion, a detector configured to detect the level of the systematic pre-mixer IM2 distortion in the amplified signal, and a bias signal generator configured to generate at least one bias signal configured to adjust the amplifier to reduce the level of the systematic pre-mixer IM2 distortion. | 2012-12-27 |
20120326793 | DEVICE, SYSTEM, AND METHOD OF FREQUENCY GENERATION USING AN ATOMIC RESONATOR - Some demonstrative embodiments include devices, systems and/or methods of generating a frequency reference using a solid-state atomic resonator formed by a solid-state material including an optical cavity having color centers. A device may include a solid-state atomic clock to generate a clock frequency signal, the solid-state atomic dock including a solid state atomic resonator formed by a solid-state material including an optical cavity having color centers, which are capable of exhibiting hyperfine transition, wherein the solid-state atomic clock may generate the clock frequency signal based on a hyperfine resonance frequency of the color centers. | 2012-12-27 |
20120326794 | DIGITAL AMPLITUDE CONTROL CIRCUITRY FOR CRYSTAL OSCILLATOR CIRCUITRY AND RELATED METHODS - Methods and systems are disclosed that utilize digital control loops to control an amplitude level for output signals generated by crystal oscillator circuitry. The disclosed embodiments utilize multiple selectable current drive circuits to control the amplitude level of the output signals from crystal oscillator circuitry. The current drive circuits are selectably used, or not used, to provide a bias current to the crystal oscillator circuitry based upon a multi-bit digital control signal. The multi-bit digital control signal can be generated, for example, by control circuitry that compares the oscillator output signal to a reference output signal level. | 2012-12-27 |
20120326795 | VCO CALIBRATION SCHEME - A technique to use a two-step calibration procedure to calibrate a voltage controlled oscillator (VCO) of a phase-locked loop. The first calibration step is an open-loop calibration procedure in which a control voltage of the VCO is temperature compensated and the VCO is tuned using a search routine to generate a corresponding output frequency based on the control voltage. The second step is a closed-loop calibration procedure to adjust the tuning components of the VCO to correct for a 1 LSB error. | 2012-12-27 |
20120326796 | OSCILLATOR CIRCUT AND ELECTRONIC CIRCUIT COMPRISING THE OSCILLATOR CIRCUIT - An oscillator circuit including a first capacitor provided with a first terminal; a resistor provided with a reference terminal; a first current generator provided with a connection terminal; a second current generator provided with a second connection terminal. Further, the circuit includes a switching matrix between the first and second generators and resistor and the at least one first capacitor. | 2012-12-27 |
20120326797 | VCO UTILIZING AN AUXILIARY VARACTOR WITH TEMPERATURE DEPENDENT BIAS - A technique to use an auxiliary varactor coupled to a tuning varactor, in which a temperature compensated bias signal adjusts a bias on the auxiliary varactor to maintain a voltage controlled oscillator (VCO) from drifting in frequency as operating temperature for the VCO changes. | 2012-12-27 |
20120326798 | ON-CHIP TRANSMISSION LINE STRUCTURES WITH BALANCED PHASE DELAY - A transmission wiring structure, associated design structure and associated method for forming the same. A structure is disclosed having: a plurality of wiring levels formed on a semiconductor substrate; a pair of adjacent first and second signal lines located in the wiring levels, wherein the first signal line comprises a first portion formed on a first wiring level and a second portion formed on a second wiring level; a primary dielectric structure having a first dielectric constant located between the first portion and a ground shield; and a secondary dielectric structure having a second dielectric constant different than the first dielectric constant, the secondary dielectric structure located between the second portion and the ground shield, and the second dielectric layer extending co-planar with the second portion and having a length that is substantially the same as the second portion. | 2012-12-27 |
20120326799 | Power Conversion Apparatus - There is provided a power conversion apparatus which allows a noise current or voltage to be suppressed at a low cost and in a small size, the noise current or voltage mixing into the power conversion apparatus by propagating through a control wiring connected to an external appliance. | 2012-12-27 |
20120326800 | Impedance Matching Component and Hybrid Wave-Absorbing Material - Embodiments of the present disclosure relate to an impedance matching component and a hybrid wave-absorbing material. The impedance matching component is disposed between a first medium and a second medium, and comprises a plurality of functional sheet layers. Impedances of the functional sheet layers vary continuously in a stacking direction of the functional sheet layers, with the impedance of a first one of the functional sheet layers being identical to that of the first medium and the impedance of a last one of the functional sheet layers being identical to that of the second medium. | 2012-12-27 |
20120326801 | DUPLEXER - A duplexer includes an acoustic wave element having a first terminal and a second terminal; a substrate; a first columnar conductor electrically connected to the first terminal, and drawn to a back surface of the substrate while partially in the substrate; a second columnar conductor electrically connected to the second terminal, and drawn to the back surface of the substrate while partially in the substrate. Additionally, a first ground pattern region is between the first columnar conductor drawn part and the second columnar conductor drawn part on the back surface of the substrate; a second ground pattern region is electrically connected to the first ground pattern region and arranged in the part not including the part between the first columnar conductor drawn part and the second columnar conductor drawn part; and a third columnar conductor electrically is connected to the first ground pattern region while partially in the substrate. | 2012-12-27 |
20120326802 | Multi-Conductor Transmission Lines for Control-Integrated RF Distribution Networks - A multiple conductor radio-frequency transmission line including a plurality of conductive traces, an input port, and at least one output port is disclosed. The input port includes a radio-frequency signal input line which is generally aligned with and disposed in a partially or completely overlapping relationship with the plurality of conductive traces at the input port, with the radio-frequency signal input line being at least as wide as the plurality of conductive traces at the input port. The output port includes a radio-frequency signal output line which is generally aligned with and disposed in a partially or completely overlapping relationship with at least one of the plurality of conductive traces at the at least one output port, with the radio-frequency signal output line being at least as wide as the at least one of the plurality of conductive traces at the output port. The input and output ports provide a capacitively coupled, multi-conductor structure capable of simultaneously distributing primary radio-frequency signals and secondary control signals from the input port to one or more output ports in systems such a phased array radars and wireless communications systems. | 2012-12-27 |
20120326803 | MICROWAVE RESONANT CAVITY - A microwave resonant cavity is provided. The microwave resonant cavity includes: a sidewall having a generally cylindrical hollow shape; a gas flow tube disposed inside the sidewall and having a longitudinal axis substantially parallel to a longitudinal axis of the sidewall; a plurality of microwave waveguides, each microwave waveguide having a longitudinal axis substantially perpendicular to the longitudinal axis of the sidewall and having a distal end secured to the sidewall and aligned with a corresponding one of a plurality of holes formed on the sidewall; a top plate secured to one end of the sidewall; and a sliding short circuit. The sliding circuit includes: a disk slidably mounted between the sidewall and the gas flow tube; and at least one bar disposed inside the sidewall and arranged parallel to the longitudinal axis of the sidewall. | 2012-12-27 |
20120326804 | JUNCTION STRUCTURE FOR WAVE PROPAGATION, WAVE DIODE AND WAVE HALF-ADDER USING THE SAME - Disclosed herein are a junction structure for wave propagation and a wave diode and a wave half-adder using the same. According to the present invention, the junction structure for wave propagation permits selective coupling of waves propagating through a junction plane between different wave propagation structures, whereby the wave junction structure, wave junction diodes and wave half-adders using waves including photons, surface plasmons, optomechanical phonons and their composite waves are realized to provide the same functions as those of electrical junction structures and application devices thereof. | 2012-12-27 |
20120326805 | RF Monoblock Filter with Recessed Top Pattern and Cavity Providing Improved Attenuation - An electrical signal filter defined by a block of dielectric material with a top surface, a bottom surface, side surfaces, and through-holes extending between the top and bottom surfaces. In one embodiment, first and second walls protrude outwardly from the top surface and extend the length of first and second opposed longitudinally extending side surfaces. A surface-layer pattern of metallized and unmetallized areas is defined on selected surfaces of the block including an area of metallization that covers the top surface. In one embodiment, first and second surface-layer input/output electrodes are defined by first and second respective isolated strips of conductive material that extend from the top surface of the block and onto the first and second walls respectively. | 2012-12-27 |
20120326806 | RF Monoblock Filter Assembly with Wall Filter - An RF filter assembly comprising two filters. In one embodiment, the RF filter assembly comprises a core of dielectric material including a plurality of through-holes and a surface-layer pattern of conductive areas on a top surface of the core that define a first RF filter and a second RF low pass filter is defined, and extends between respective conductive input/output electrodes, on a wall that protrudes outwardly and upwardly from a top surface of the RF filter assembly. | 2012-12-27 |
20120326807 | ACOUSTIC RESONATOR STRUCTURE HAVING AN ELECTRODE WITH A CANTILEVERED PORTION - An acoustic resonator comprises (a) a substrate having atop surface and a bottom surface, a first end portion and an opposite, second end portion, and a body portion defined therebetween; (b) an acoustic mirror having a top surface and a bottom surface, a first end portion and an opposite, second end portion, and a body portion defined therebetween, wherein the bottom surface is formed on the top surface of the substrate; (c) a first electrode having a top surface and a bottom surface, a first end portion and an opposite, second end portion, and a body portion defined therebetween, wherein the bottom surface is formed on the top surface of the acoustic mirror; (d) a piezoelectric layer having a top surface and a bottom surface, a first end portion and an opposite, second end portion, and a body portion defined therebetween, wherein the bottom surface is formed on the top surface of the first electrode; and (e) a second electrode having a top surface and a bottom surface, a first end portion and an opposite, second end portion, and a body portion defined therebetween. The bottom surface is formed on the top surface of the piezoelectric layer, wherein the overlapped area of body portions of the substrate, the acoustic mirror, the first electrode, the piezoelectric layer and the second electrode is defined as an active area A. | 2012-12-27 |
20120326808 | MICRO-ACOUSTIC FILTER HAVING COMPENSATED CROSS-TALK AND METHOD FOR COMPENSATION - The invention relates to a micro-acoustic filter having a first and a second converter, in which the electromagnetic and capacitive cross-talk between the first and second converters is compensated for by providing additional coupling capacitors and additional current loops. Additional coupling capacitors and current loops are arranged in such a manner that they can counteract the sign of the natural coupling specified by the design and thus completely compensate for said coupling. | 2012-12-27 |
20120326809 | ELASTIC WAVE RESONATOR AND LADDER FILTER - To enhance a heat dissipation property and achieve stabilization of a resonance characteristic in an elastic wave resonator including an IDT electrode weighted so as to have a plurality of apodization local maximum value portions, the elastic wave resonator includes an IDT electrode located on a piezoelectric substrate, the IDT electrode is apodization-weighted so that a plurality of local maximum values occur in apodization in an elastic wave propagation direction, heat dissipation electrodes are provided in at least one apodization local minimum value portion occurring in the elastic wave propagation direction in the IDT electrode, and when it is assumed that direction dimension widths of the heat dissipation electrodes in the elastic wave propagation direction are A and the dimension of about ½ of a wave length of a propagating elastic wave is B, B | 2012-12-27 |
20120326810 | ELASTIC WAVE APPARATUS - A small-sized elastic wave apparatus in which heat generated at a portion of a cascade connection between resonators is sufficiently dissipated includes on one main surface of a piezoelectric substrate in an elastic wave filter mounted on a base substrate on which an input/output wiring line, a ground wiring line, and a floating wiring line insulated from the input/output wiring line and the ground wiring line are provided, first electrodes coupled to the input/output wiring line or the ground wiring line, second electrodes coupled to the floating wiring line, resonators, connection wiring lines connecting the resonators, and electrode wiring lines connecting the resonators and the first electrodes. The second electrodes are disposed in contact with the connection wiring line cascading the resonators and the connection wiring line cascading the resonators, respectively. | 2012-12-27 |
20120326811 | Temperature-Independent Dielectric Resonator - A (TM01) dielectric resonator has a metal housing, a dielectric insert, and a resilient element located between one end of the dielectric insert and the housing. The resilient element ensures physical contact between the housing and both ends of the dielectric insert over the entire operating temperature range of the resonator, thereby compensating for differences in the coefficients of thermal expansion of the materials used for the metal housing and the dielectric insert. In one embodiment, the dielectric insert is housed within a cylindrical tube between a top cover and a bottom end cap, the resilient element is an electrically non-conductive (silicone rubber) gasket, and the resonator has a thin, electrically conductive (aluminum) plate located (i) between the dielectric insert and the gasket and (ii) between the end cap and the tube to ensure a contiguous electrically conductive path from one end of the dielectric insert to the other. | 2012-12-27 |
20120326812 | HIGH-FREQUENCY TRANSMISSION LINE AND CIRCUIT SUBSTRATE - In order that the total distance of a first high-frequency current path, which is defined in the periphery of slits ( | 2012-12-27 |
20120326813 | FLEXIBLE CABLE AND METHODS OF MANUFACTURING SAME - A flexible cable for carrying RF signals and method of manufacturing same. The cable includes an elongate base substrate including a dielectric layer with an upper metal layer deposited on one side and a lower metal layer deposited on its other side. It further includes two parallel spaced-apart series of vias formed along the length of the base substrate, each via electrically interconnecting the upper metal layer and the lower metal layer, whereby a rectangular cross-sectional waveguide is provided between the upper metal layer, the lower metal layer and the two series of vias. | 2012-12-27 |
20120326814 | Electric Protection Apparatus Comprising at Least One Breaking Module Controlled by a Control Device With Electromagnetic Coil - The present invention relates to an electric protection apparatus comprising at least one switching module fitted on a mounting support, and a control device with an electromagnetic coil juxtaposed with one of the above-mentioned modules, this device comprising a magnetic shield arranged in a plane substantially perpendicular to the plane of the mounting support, said shield being located between the control device and the switching module situated closer to said device, facing the coil of the control device, and comprising at least one ferromagnetic part shaped in such a way that said shield performs magnetic guiding of the arc as soon as separation of the contacts takes place so as to increase the propulsion component of the Laplacian force acting on the arc as soon as separation of the contacts takes place. | 2012-12-27 |
20120326815 | ELECTROMAGNETIC SWITCH - An electromagnetic switch has a contact device having a pair of fixed contacts fixed thereof and maintaining a predetermined interval inside an arc-extinguishing chamber receptacle, and a movable contact disposed to be connectable with the pair of fixed contacts; and an electromagnetic device driving the movable contact. The electromagnetic device has a cylindrical exciting coil, a fixed core passing through center of the exciting coil, a magnetic yoke covering an outer side of the exciting coil, and a movable core facing the fixed core and the magnetic yoke, and armature surfaces of the fixed core and the magnetic yoke are formed on a side of the contact device than the exciting coil. | 2012-12-27 |