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58results about How to "The output signal is accurate" patented technology
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Printed circuit board memory module with embedded passive components
InactiveUS20050094465A1Minimize overall surface areaLess noisySemiconductor/solid-state device detailsPrinted circuit aspectsElectrical conductorComputer module
A memory module includes a plurality of memory components mounted on a printed circuit board, and a plurality of passive components embedded within the board directly underneath the memory components to minimize the space occupied by the passive components and the lengths of the required conductive traces. The passive components and the memory components are connected by conductor-filled vias between the contacts of the embedded components and the memory components mounted above them on the board surface. The passive components may be thick film resistors, either series damping resistors or differential damping resistors. By embedding the resistors directly beneath the memory components, there is enough space on the board to provide a set of termination resistors for each of the several memory components on the board, thereby eliminating the need for a single resistor to be shared by two or more memory components, resulting in more precise output signals.
Owner:NETLIST INC
Method and a digital-to-analog converter for converting a time varying digital input signal
ActiveUS20060145902A1High resolutionReduce resolutionElectric signal transmission systemsDigital-analogue convertorsVoltage referenceLinearity
A digital-to-analogue converter (DAC) (1) comprises a digital processing circuit (2) having an input register (10) to which data samples of a digital input signal are written at a data sampling rate (fs). A delay register (14) holds each data sample for one clock cycle of the data sampling rate (fs), and a subtracting circuit (15) sequentially produces difference values between consecutive ones of the data samples by subtracting the data sample in the delay register (14) from the input register (12) on each clock cycle of the data sampling rate (fs). The difference values are sequentially converted to proportional analogue current signals by a current steering DAC circuit (3) which sequentially steers the proportional current signals for the duration of the respective clock cycles of the data sampling rate (fs) to a predominantly capacitive load impedance (4), which is coupled to ground 8 through a voltage reference source (5) and the voltage developed across the predominantly capacitive load impedance (4) with respect to ground (8) is a continuously linearly interpolated analogue voltage representative of the data sample of the digital input signal.
Owner:ANALOG DEVICES INC
Optical ranging sensor and warm water wash toilet seat
InactiveUS20070210267A1The output signal is accurateEasy constructionInvestigating moving sheetsElectromagnetic wave reradiationOptical axisLight spot
A light receiving device 12 that receives reflected light condensed by a light receiving condenser means 14 has two first and second electrodes 15, 16 provided on a light receiving surface at prescribed intervals along a baseline that connects a light emitting device 11 with the light receiving device and a resistive region 21 provided between the two electrodes. An electric charge generated at the incident position of light incident on the light receiving surface of the light receiving device 12 becomes a photo current and outputted from the first and second electrodes 15, 16 via the resistive region 21. The resistance value of the resistive region 21 of the light receiving device 12 is distributed so as to be roughly inversely proportional to a distance from the optical axis of the light receiving condenser means 14 to the incident position of a light spot on the light receiving surface.
Owner:SHARP KK
Dual intercom-interfaced smoke/fire detection system and associated method
InactiveUS8378808B1Conveniently generatedConvenient verificationFrequency-division multiplex detailsTime-division multiplexCommunications systemCamera interface
A dual intercom-camera-interfaced smoke / fire detection system and method includes, inter alia, an interactive panoramic camera communication system operatively responsive to real-time emergency signals. The interactive camera service provider communications network independently and communicatively couples panoramic cameras in real-time to authorized peripheral electronic devices (APEDs) such that an emergency event is independently transmitted and directly viewed in real-time at the APEDs. The interactive camera service provider communications network is independently operable from a real-time emergency signal transmitting mechanism and a real-time emergency signal simultaneous transmitting mechanism, respectively. The emergency event is independently viewed at the APEDs while real-time emergency signals are transmitted to a central monitoring station such that the APEDs independently and visually learn the emergency event at least as early as the central monitoring station non-visually learns the emergency event.
Owner:GWALTNEY TORRAIN
Electric motor, drive system employing multiple electric motors, and method for controlling the same
InactiveUS7906925B2Simple configurationEasy to controlSynchronous motors startersAC motor controlEngineeringSystem controller
Owner:PARKSIDE IP LLC
Multi-gas flow sensor with gas specific calibration capability
ActiveUS7769557B2Accurate calculationThe output signal is accurateFlow propertiesMachines/enginesEngineeringApplication-specific integrated circuit
A multi-gas / gas-mixture or liquid flow sensor apparatus utilizing a specific media calibration capability. The flow sensor can be coupled with an Application Specific Integrated Circuit (ASIC) that incorporates a signal conditioner and a memory module. The signal conditioner provides a high order calibration and signal processing of flow signals from the sensor to a processed signal output representative of the flow. The processed signal output can be stored in the memory module. A correction factor can be calculated and stored in the memory module in response to the stored values of the processed signal output, which tends to linearize the relationship between the flow rate and the processed signal output of a measuring system. The correction factor and / or the processed signal output provided by the signal conditioner can be utilized by the measuring system.
Owner:HONEYWELL INT INC
Transmission circuit for bias control of power amplifier
ActiveUS20090296855A1Conduct the switching of the operation modeAvoid signalingHigh frequency amplifiersGain controlAudio power amplifierDelayed time
Provided is a transmission circuit that is capable of switching a bias circuit without allowing a power amplifier to enter a non-bias state. A first bias circuit 24 supplies a first bias signal to a power amplifier 17. A second bias circuit 25 supplies a second bias signal to the power amplifier 17. A first delay circuit 22 delays switching of an operation of the first bias circuit 24 for a first delay time. A second delay circuit 23 delays switching of an operation of the second bias circuit 25 for a second delay time. The first bias circuit 24 and the second bias circuit 25 are both simultaneously operated for a predefined time period, in order to prevent a transistor for amplification 171 from entering a non-bias state when switching an operation mode of the power amplifier 17.
Owner:PANASONIC CORP
A shift register
InactiveCN106297888AThe output signal is accurateDigital storageInput/output processes for data processingShift registerControl signal
A shift register comprises a switch module, a pull-up module, a pull-down module, a clamp module and a compensation module. The switch module, the pull-down module, the clamp module and the compensation module are coupled with the pull-up module. The switch module pulls up the voltage level of a control signal according to a start signal. The pull-up module adjusts the voltage level of an output signal according to the control signal. The pull-down module adjusts the voltage level of the output signal according to the control signal, the pull-down signal and a second clock rate signal. The clamp module adjusts the voltage level of the control signal and the voltage level of the output signal according to at least one clamp signal. The compensation module stores the voltage level of the control signal to a storage node selectively according to the second clock rate signal, and adjusts the voltage level of the control signal according to the voltage levels of a touch control disenable signal and the storage node.
Owner:AU OPTRONICS CORP
Differential peak detector
ActiveUS7525347B1High signal to noise ratioReduce output signalMultiple input and output pulse circuitsCurrent/voltage measurementTransconductancePeak value
Differential peak detection for outputting a signal indicative of a peak value of an input signal. The input signal is differentially amplified using common mode feedback and a common mode output is thereby output, wherein common mode level of the common mode output is substantially the same as a common mode voltage. The common mode output of such differential amplification is coupled to an input of a first common source input pair, and the common mode voltage and a feedback from the output signal across a sampling capacitor is coupled to an input of a second common source input pair. A summation of respective outputs of the first and second common source input pairs is coupled to an input of a transconductance stage, wherein an output of the transconductance stage controls charging of the sampling capacitor. In this manner, a more accurate output signal is provided.
Owner:MARVELL ASIA PTE LTD
Torque and load sensor
InactiveCN1529141AThe output signal is accurateApparatus for force/torque/work measurementObservational errorLoad resistance
The invention is a kind of mechanical measuring sensor, which is used mainly in the testing piece of mechanism production and mechanism parts, measures the instant bearing torsion moment, pulling force and pressure. The character lies in: the elastic component is made up of the inner shaft and the outer shaft, the two shafts are nested. There has a pushing force bearing between the inner shaft and the outer shaft. The effect of the pushing bearing is: one shaft is used to bear the torsion moment transmission; the other shaft is used to bear load transmission. The invention attaches torsion moment resistance strain pieces and load resistance strain pieces on the two shafts. The force acted on the pieces are single, the output signal doesn't affects each other. It overcomes the deficiency of influence of the two pieces each other.
Owner:北京迪威尔石油天然气技术开发有限公司
Defective pixel detection and correction apparatus using target pixel and adjacent pixel data
InactiveUS7280142B2The output signal is accurateSmooth changeTelevision system detailsColor signal processing circuitsPattern recognitionDefective pixel
A solid-state imaging apparatus includes: a defective pixel detector (8) for extracting, from a signal output by a frame-reading solid-state image pickup element (2), pixel data for a target pixel for which a determination is to be made and pixel data for peripheral pixels thereof, and for employing pixel data for a pixel, selected from among the peripheral pixels, in the same filter as the target pixel, to determine whether the target pixel is a defective pixel; and a defective pixel correction circuit (9) for employing the pixel data for the peripheral pixels to correct pixel data for the defective pixel. With this configuration, the output signal of the defective pixel can be corrected without spreading the effect produced by the defective pixel to the peripheral pixels, and a natural image can be displayed.
Owner:PANASONIC CORP
Electric Motor, Drive System Employing Multiple Electric Motors, and Method for Controlling the Same
InactiveUS20090079372A1Easy transferSimple configurationMotor/generator/converter stoppersSynchronous motors startersWave shapeSystem controller
The motor according to one aspect of the present invention has an output waveform correcting unit for correcting the waveform of the output signal of a magnetic sensor during operation of the electric motor. ID codes for identification purposes are assigned respectively to a plurality of magnetic sensors. The output waveform correcting unit receives, from an external device, output waveform correction values for the magnetic sensors together with the ID codes, and stores the output waveform correction values for the magnetic sensors in memory. The drive system according to another aspect of the present invention has a plurality of electric motors, and a system controller connected to the plurality of motors via a shared communication line. Each electric motor has an identification code register that stores an identification code for identifying each electric motor. The system controller has an individual control mode in which operation of individual motors is controlled by transmitting commands to individual electric motors together with identification codes via the shared communication line.
Owner:PARKSIDE IP LLC
Synthesizer having adjustable, stable and reproducible phase and frequency
ActiveUS20120105049A1Low costThe output signal is accuratePulse automatic controlResistance/reactance/impedenceDevice formPhase ratio
A measuring device provides a synthesizer device, at least two controlling devices and at least two controlled oscillators. The synthesizer device contains at least one direct digital synthesizer and generates at least two signals of known phase ratio. Signals generated by the synthesizer device form reference signals of at least one controlling device. Signals formed by the controlling devices control the controlled oscillators. The measuring device contains only frequency splitters, which divide by integer division factors.
Owner:ROHDE & SCHWARZ GMBH & CO KG
Method of measuring a physical parameter and electronic interface circuit for a capacitive sensor for implementing the same
ActiveUS20130300437A1Provide quicklyEnhanced signalCapacitance measurementsConverting sensor outputLow voltageHemt circuits
A physical parameter is measured via an electronic circuit connected to a two capacitor sensor. The circuit includes an amplifier connected to the common capacitor electrode, a logic unit for digital processing amplifier data and supplying a digital measuring signal, a digital-analogue converter for supplying a measuring voltage based on the digital measuring signal, a switching unit for alternately supplying the measuring voltage to the first and second fixed capacitor electrodes, and a regulated voltage for negative biasing or a low voltage for positive biasing from a voltage supply source. A first phase consists in biasing the first fixed electrode with the measuring voltage from first binary word and reference voltage, and the second fixed electrode with low voltage, and a second phase consists in biasing the second fixed electrode with measuring voltage from second binary word, which is reverse of the first binary word, and the reference voltage.
Owner:EM MICROELECTRONIC-MARIN
Method for operating a safety control device
ActiveUS20140200687A1Reliable handlingEasy to controlProgramme controlSafety arrangmentsInterval arithmeticSafety control
A safety control device for safely controlling a hazardous installation has a first and a second calculation unit and an output unit for driving at least one actuator. The control device acquires an input signal and determines a floating point value depending on the input signal. The first and second calculation units each determine an input interval as a function of the floating point value. The first and second calculation units each further determine a result interval as a function of the input interval by applying a first calculation algorithm to the input interval. The first calculation algorithm is based on interval arithmetic. The result intervals from the first and second calculation units are compared and an output value is determined as a function of the result intervals. An output signal is determined as a function of the output value. The output signal drives the at least one actuator.
Owner:PILZ (COMPANY)
Method of measuring a physical parameter and electronic interface circuit for a capacitive sensor for implementing the same
ActiveUS20130187668A1Provide quicklyLimited redundancyCapacitance measurementsAcceleration measurementCapacitive sensingEngineering
The method is for measuring a physical parameter by an electronic circuit connected to a two differential capacitor sensor having two fixed electrodes and a common moving electrode. The electronic circuit supplies first and second digital measuring signals. Each measuring cycle consists on biasing the electrodes by the measuring voltage based on the first digital signal, connecting the fixed electrodes to a supply voltage source for a first biasing, biasing the electrodes by the measuring voltage based on the second digital measuring signal, and inversely connecting the fixed electrodes to a supply voltage source for a second biasing. In first successive measuring cycles, the first and second digital signals are adapted to each cycle by a large step value. In second successive measuring cycles, the first and second digital signals are adapted to each cycle by a small step value until the end of the conversion.
Owner:EM MICROELECTRONIC-MARIN
Non-contact annular magnetoelectric rotary encoder
InactiveCN102538835AReduce procurement costsHigh precisionConverting sensor output electrically/magneticallyEngineeringFrequency response
The invention discloses a sensor, and particularly relates to a non-contact annular magnetoelectric rotary encoder. The encoder comprises an annular encoder main body I, and an acquisition head II which is arranged correspondingly to the annular encoder body I, wherein a clearance is formed between the annular encoder main body I and the acquisition head II, the annular encoder main body I comprises a bearing ring body, a magnetic ring stuck and sleeved on the upper edge part of the bearing body, and a protecting cover arranged outside the bearing ring body and the magnetic ring and playing a role of protecting the magnetic ring; and a magnetic induction chip is arranged in the acquisition head II. The magnetoelectric principle is adopted by the encoder; the defects of easiness in cracking of a code disc, high requirement on precision, complex mechanical structure, complex mounting and adjusting process and the like of the traditional photoelectric encoder are overcome; the generation, the receiving and the processing of a signal are realized by selecting and using a magnetoelectric integrated chip; the complex debugging process of the traditional photoelectric encoder is omitted; the production efficiency and the performance of products are greatly improved; and the non-contact annular magnetoelectric rotary encoder which is small in size, high in reliability, resistant in vibration, high in frequency response, low in cost, high in precision, low in error and long in service life is provided.
Owner:CHANGCHUN RONGDE OPTICS
Output buffering circuit, array substrate and display device
InactiveCN103794188ASimple structureGuaranteed stabilityStatic indicating devicesAmplifier with semiconductor-devices/discharge-tubesPower flowAudio power amplifier
Owner:BEIJING BOE DISPLAY TECH CO LTD +1
Variable hysteresis circuit
InactiveUS6407605B1Efficient and effective brakingCancel noiseElectric pulse generatorHysteresisEngineering
The present invention provides a circuit which is configured to apply variable hysteresis to an input signal, where the level of hysteresis applied to the input signal is dependent upon the frequency of the input signal. Use of this circuit in a vehicle's anti-lock braking system allows for more efficient and effective braking.
Owner:WABASH NATIONAL
Transmission circuit for bias control of power amplifier
ActiveUS8223886B2Conduct the switching of the operation modeAvoid signalingHigh frequency amplifiersGain controlAudio power amplifierCircuit delay
A transmission circuit switches a bias circuit without allowing a power amplifier to enter a non-bias state. A first bias circuit supplies a first bias signal to a power amplifier, and a second bias circuit supplies a second bias signal to the power amplifier. A first delay circuit delays the switching of an operation of the first bias circuit using a first delay time, and a second delay circuit delays the switching of an operation of the second bias circuit using a second delay time. The first bias circuit and the second bias circuit are both simultaneously operated for a predefined time period, in order to prevent a transistor for amplification from entering a non-bias state when switching an operation mode of the power amplifier.
Owner:PANASONIC CORP
Non-contact type gear sensing device
InactiveCN103453139AThe output signal is accurateExtended service lifeGearing controlMagnetic fluxEngineering
The invention relates to a non-contact type gear sensing device which comprises a gear shifting pulling arm and a gear sensor, wherein the gear shifting pulling arm is fixedly connected with a magnetic induction device; the gear sensor is arranged in the position within the induction range of the magnetic induction device; the gear sensor and the magnetic induction device are respectively and independently mounted; when gear shifting is performed, the magnetic induction device rotates along with the gear shifting pulling arm, the position of the magnetic induction device relative to the gear sensor is changed, and the change of magnetic flux of the magnetic induction device is received by the gear sensor, so that monitoring of the gear sensor to the change of gear information is realized, accuracy and stability in an output signal are realized, and the service life of the gear sensor is long.
Owner:SHENGRUI TRANSMISSION
Cut tobacco dryer outlet moisture content prediction model generation and regulation and control method based on cut tobacco dryer outlet moisture content prediction model generation
PendingCN113128764AAddressing quality degradationQuality improvementTobacco preparationMolecular entity identificationProcess engineeringIndustrial engineering
The invention discloses a cut tobacco dryer outlet moisture content prediction model generation method and a regulation and control method based on the cut tobacco dryer outlet moisture content prediction model, and the generation method comprises the steps: obtaining initial data of a cut tobacco production process in a preset time period; cleaning the initial data, performing normalization processing on the cleaned initial data, and dividing to generate training sample data and test data; an initial prediction model of the moisture content of the outlet of the cut-tobacco dryer is constructed and generated; inputting test data into the initial prediction model, and calculating and generating training accuracy and an average error; and when the training accuracy is in accordance with a first threshold range and the average error is in accordance with a second threshold range, updating the initial prediction model as a cut-tobacco dryer outlet moisture content target prediction model. According to the method and the device, the initial data in the preset time period and the target GBDT algorithm are combined, so that the target prediction model with more accurate output signals can be obtained, the instability and the volatility of moisture in the tobacco shred production process are reduced, and the tobacco shred quality is improved.
Owner:CHINA TOBACCO GUANGXI IND
Combination Capacitive Proximity Sensor and Ultrasonic Sensor for Material Level Monitoring
InactiveUS20080148845A1Accurate and reliable processInexpensive and durableMachines/enginesLubrication indication devicesParticulatesProximity sensor
A material level detection sensor (10) having a continuous ultrasonic sensor (12) and a capacitive proximity sensor (13). The capacitive proximity sensor detects the material only when the material is at or within the dead zone (15) of the ultrasonic sensor, at which point it switches the ultrasonic sensor off. The ultrasonic sensor transmits a level detection output signal until it is turned off by the capacitive proximity sensor. The capacitive proximity sensor transmits a level detection output signal only when it detects the material, and it will switch the ultrasonic sensor on when it does not detect the material. The material level detection sensor transmits only a single level detection output signal at any given time, providing an accurate and reliable estimate of material level. The device is particularly useful for measuring inventory and consumption of particulate solids and powders in bins or silos (11).
Owner:THE GSI GRP LLC
Method for automatic calibration of automatic transmission
ActiveUS20160153553A1Improve automatic performanceEasy to operateDigital data processing detailsVehicle sub-unit featuresElectricityActuator
A method for automatic calibration of a position detection sensor of an automatic transmission including a gearshift actuator, the method including registering, using the position detection sensor, the position of the gearshift actuator upon power-up of the transmission; and performing a calibration of the position detection sensor if the registered position of the gearshift actuator is outside a predetermined expected position range of the gearshift actuator or within a predetermined abnormal position range of the gearshift actuator.
Owner:VOLVO LASTVAGNAR AB
Signal compensation circuit and demodulating circuit with high-speed and low-speed feedback loops
InactiveUS7035349B2Quick compensationThe output signal is accurateDc level restoring means or bias distort correctionLine balance variation compensationNegative feedbackAudio power amplifier
A signal compensation circuit compensates for direct-current offset of an input signal by amplifying the input signal with an amplifier having a variable direct-current offset. A low-speed negative feedback loop charges and discharges a capacitor in an integrating circuit according to the direct-current component of the amplified signal. A high-speed negative feedback loop charges and discharges the same capacitor at a faster rate when the amplified signal goes outside an allowable amplitude range. The capacitor potential is used to control the direct-current offset of the amplifier. The allowable amplitude range is adjusted according to the amplitude of the amplified signal. High-speed compensation can thus be combined with a tolerance for runs of identical code levels in the input signal.
Owner:LAPIS SEMICON CO LTD
Method for automatic calibration of automatic transmission
ActiveUS10288170B2Improve performanceEasy to operateVehicle sub-unit featuresGearing controlElectricityLocation detection
A method for automatic calibration of a position detection sensor of an automatic transmission including a gearshift actuator, the method including registering, using the position detection sensor, the position of the gearshift actuator upon power-up of the transmission; and performing a calibration of the position detection sensor if the registered position of the gearshift actuator is outside a predetermined expected position range of the gearshift actuator or within a predetermined abnormal position range of the gearshift actuator.
Owner:VOLVO LASTVAGNAR AB
Combination capacitive proximity sensor and ultrasonic sensor for material level monitoring
InactiveUS7610805B2Accurate and reliable processInexpensive and durableMachines/enginesLubrication indication devicesParticulatesProximity sensor
A material level detection sensor (10) having a continuous ultrasonic sensor (12) and a capacitive proximity sensor (13). The capacitive proximity sensor detects the material only when the material is at or within the dead zone (15) of the ultrasonic sensor, at which point it switches the ultrasonic sensor off. The ultrasonic sensor transmits a level detection output signal until it is turned off by the capacitive proximity sensor. The capacitive proximity sensor transmits a level detection output signal only when it detects the material, and it will switch the ultrasonic sensor on when it does not detect the material. The material level detection sensor transmits only a single level detection output signal at any given time, providing an accurate and reliable estimate of material level. The device is particularly useful for measuring inventory and consumption of particulate solids and powders in bins or silos (11).
Owner:THE GSI GRP LLC
Multi-gas flow sensor with gas specific calibration capability
ActiveUS20100004889A1Accurately calculateAccurate calculationFlow propertiesMachines/enginesSignal ConditionerIntegrated circuit
A multi-gas / gas-mixture or liquid flow sensor apparatus utilizing a specific media calibration capability. The flow sensor can be coupled with an Application Specific Integrated Circuit (ASIC) that incorporates a signal conditioner and a memory module. The signal conditioner provides a high order calibration and signal processing of flow signals from the sensor to a processed signal output representative of the flow. The processed signal output can be stored in the memory module. A correction factor can be calculated and stored in the memory module in response to the stored values of the processed signal output, which tends to linearize the relationship between the flow rate and the processed signal output of a measuring system. The correction factor and / or the processed signal output provided by the signal conditioner can be utilized by the measuring system.
Owner:HONEYWELL INT INC
Dither stripper with non-linearity correction
ActiveUS7088452B2Quality improvementLess errorSpeed measurement using gyroscopic effectsSagnac effect gyrometersComputer scienceDither
A method and apparatus for correction of laser gyro dither pickoff signals. Dither pickoff signals are sampled during the dither input signal cycle at points where error is more prevalent in the dither pickoff signal. The samples are then used to modify correction factors used in the calculation of a corrected dither pickoff signal.
Owner:HONEYWELL INT INC
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