Class 708/823 - Integrator

Subclass of Class 708 - Electrical computers: arithmetic processing and calculating
Definition: Subject matter wherein the function performed is integration
No. of patents: 38
Last issue date: 05/13/2008

Number	Title	Issue Date
7372717	Methods for resistive memory element sensing using averaging A system for determining the logic state of a resistive memory cell element, for example an MRAM resistive cell element. The system includes a controlled voltage supply, an electronic charge reservoir, a current source, and a pulse counter. The controlled voltage su...	05/13/2008
7310656	Grounded emitter logarithmic circuit A logarithmically-responding circuit includes a differential-input amplifier that drives the control terminal of a three-terminal device that exhibits an exponential response in its output current. This arrangement allows the third terminal to be grounded. In a pref...	12/18/2007
7245179	Auto gain controller A gain-controlled transimpedance amplifier circuit that comprises a first gain unit including an input for receiving a first current and an output, a current source for providing a second current, a second gain unit including an input and an output, a first impedanc...	07/17/2007
7180301	Power monitor-glitch trap system A device for sensing and capturing the state of a direct current electrical power line comprising a voltage comparator having a pair of inputs, one of the inputs adapted to be connected to the power line, the other input connected to an analog and digital I/O module...	02/20/2007
7154768	Non-destructive readout of ferroelectric memories A device and method of reading a ferroelectric memory, including providing a ferroelectric memory including a ferroelectric memory cell, a charge integrator, and a bit line connecting the ferroelectric memory cell and the charge integrator. Pulses are applied to the...	12/26/2006
7133305	Semiconductor memory device A semiconductor memory device capable of suppressing size increase and reducing the operating time is provided. This semiconductor memory device comprises storage portion, connected to a data read line, containing a material having a hysteresis property and data rea...	11/07/2006
7133307	Resistive memory element sensing using averaging A system for determining the logic state of a resistive memory cell element, for example an MRAM resistive cell element. The system includes a controlled voltage supply, an electronic charge reservoir, a current source, and a pulse counter. The controlled voltage su...	11/07/2006
7034725	Method for self-calibrating a phase integration error in a modulator A method of self-calibrating a modulator includes at least one integrator likely to incur a phase error may include reading a pulse response of the modulator, calculating a phase error parameter of the at least one integrator, and calibrating the phase error paramet...	04/25/2006
6963822	Method and apparatus for separation, analysis and evaluation of data Waveform diagrams of cholesterol and triglyceride, for example, obtained by electrophoresis are overlappedly displayed (superimposed). To compare or overlappedly display two waveform diagrams, one unit of absolute concentration is related to one unit of waveform siz...	11/08/2005
6961746	Current integration circuit with course quantization and small integration capacitor A current integration circuit includes an operational amplifier having a capacitor connected between its output and inverting input which integrates an input current. To prevent the op amp's output from becoming saturated, a charge dumping circuit dumps a known char...	11/01/2005
6954391	Noise resistant small signal sensing circuit for a memory device Apparatus and method for data sensing circuitry that uses averaging to sense small differences in signal levels representing data states. The apparatus periodically switches the coupling of input terminals and output terminals of an integrator circuit from a first c...	10/11/2005
6944045	Data holding apparatus and data read out method A data holding device is provided that is capable of holding data even if the power supply is shut off and reliability in holding data is high. The data holding device 1 is provided with a data latch circuit 3 and a ferroelectric memory section 5	09/13/2005
6920060	Memory device, circuits and methods for operating a memory device A ferroelectric memory comprises a plurality of memory cells and circuitry to sense data thereof. Power supply decoupling circuitry may decouple supplies of the memory device during a portion of reading data. Additionally, ferroelectric domains of the memory cells m...	07/19/2005
6898616	Arbitrary function generating circuit using a simple operational element and an encryption method thereof An arbitrary function generating circuit incorporating an analog multiplier, amplifier, and frequency multiplier to construct a nonlinear analog circuit equivalent to a generalized Lotka-Volterra equation for performing high-speed calculations. ...	05/24/2005
6226562	Method and system for adjusting and calibrating circuit parameters A method and system for calibrating analog integrated circuits. Initially, a single calibration circuit is formed integral with a group of analog integrated circuits. A control signal and a calibration signal are generated from the calibration circuit. Ne...	05/01/2001
5596609	Parallel cascaded integrator-comb filter A high speed digital filter for use in digital interpolation and decimation provides a parallel processing implementation for integrator stages of a cascaded integrator-comb (CIC) filter. The parallel structure of the present invention is easily cascadeab...	01/21/1997
5365473	Integral value calculating device and function gradient calculating device An integral value calculating device is used for calculating an integral value of a function, and a function gradient calculating device is used for calculating the gradient of the graph for a function. The object is to obtain a transport coefficient, etc...	11/15/1994
5274583	Charge-integrating preamplifier for ferroelectric memory An integrator circuit is connected to a capacitor that is to be measured and the capacitor driven by a read pulse. A first switch grounds the integrator input between read pulses and a second switch applies a bias input to the integrator. The bias is sele...	12/28/1993
5025224	Incremental integrator circuit An incremental integrator integrates a signal from a previous time to the present time to obtain an average value for the signal. An input signal is applied to an analog integration circuit which performs a continuous integration of the input signal. A ti...	06/18/1991
4858169	Electronic integrator using an operational amplifier and with alleviation of wind-up An electronic integrator employing an algebraically summing operational amplifier which accepts input signals of opposite polarities, relative to a reference voltage, and wherein wind-up is alleviated by diodes which are normally reverse-biased and non-co...	08/15/1989
4740908	Analog accumulator An analog accumulator used in association with a solid state image analyzer for averaging and storing the fixed pattern noise (FPN) includes an N-stage transfer shift register with an input receiving a signal corresponding to the fixed pattern noise and w...	04/26/1988
4724516	Method and apparatus for setting analog command signals by change signals of variable duration Method and apparatus by which continuously existing analog voltage command signals for various channels within a control system are changed by determined amounts and senses as a result of supplying "pulse" signals of different durations and polarities. El...	02/09/1988
4718036	Comparator-integrator loop for digitizing a waveform A latching comparator has a signal input connected to the output of a device under test. A strobe input of the comparator has a strobe signal applied thereto, whereby the output of the device under test is repeatedly sampled. The output of the comparator ...	01/05/1988
4695961	Solid state overcurrent detector A solid state overcurrent detector or an overcurrent interruptor using the same provided with a microcomputer for discriminating level of overcurrent and issuing a predetermined time-current characteristic, the microcomputer further comprises a means for ...	09/22/1987
4669055	Non-recursive analog integrator A non recursive analog integrator providing M integrations of a sampled analog signal Vn,m. The integrator comprises a series parallel demultiplexer with N outputs, N capacitors each with an electrode connected to a floating potential with respect to a re...	05/26/1987
4580227	Device for determining and following the instantaneous coordinates of the extreme value of a curve The invention relates to a device for determining and following the instantaneous coordinates of the extreme value of a curve y=f(x), characteristic of a system having an input x and an output y. The device comprises a multiplier having two inputs and one outp...	04/01/1986
4378569	Sound pattern generator An apparatus for providing an audible representation of any data which can be represented in a format of M×N individual datum. Each datum can have individually specified properties. One application of this technique is to provide an audible representatio...	03/29/1983
4361831	Analog-digital converter utilizing multiple ramp integrating techniques An analog current I1, to be digitized is fed continuously to the input of an integrator. Two pulse counters, serially connected, algebraically count pulses from a pulse generator, the first pulse counter of the two setting, upon overflow, a bis...	11/30/1982
4309760	Electronic integrating system A system for integrating signals at a rate according to the characteristics of the signals. These characteristics include the direction of change of the signals and their magnitude. A ski binding release system incorporating a force responsive integration...	01/05/1982
4192009	Coulometric device for performing time integration A coulometric device for performing integration or timing functions with precise end-state detection comprises a coulometer; serially connected to the coulometer, a source of pulsed d.c. current representative of one or more quantities to be integrated; a...	03/04/1980
4139896	Method and apparatus for producing nonlinear integral functions An integrator system is disclosed which incorporates a feedback control loop to vary the linearity of the integrator's response. In the preferred embodiment an electrochemical coulometer is used which stores the integral of a current that is passed throug...	02/13/1979
4122528	Integrator circuits for a constant velocity vector generator A Constant Velocity Vector Generator is disclosed for connecting X, Y coordinate points of a rectangular coordinate display system. A pair of absolute value amplifier circuits, a square-root-of-the-sum-of-the-squares circuit, a pair of dividers, and a pai...	10/24/1978
4099251	Analog accumulator memory device Disclosed is an analog accumulator memory device of the type including a first and a second analog voltage memory devices each capable of holding an output voltage equal in magnitude to an input voltage. An output terminal of an inverter with a unit gain ...	07/04/1978
4092726	Analog-to-digital converter system An analog subsystem is disclosed which can be included in a single monolithic, integrated circuit chip and which is for use with a digital subsystem to form a dual ramp analog-to-digital converter. A current steering network included in the analog subsyst...	05/30/1978
4078252	Ramp generator A ramp generator for driving a bar graph display which utilizes a feedback circuit to set its maximum level of the ramp....	03/07/1978
4059751	Logic controlled integrator The input to an integrator is controlled by a logic circuit to reduce tracking errors caused by changes in acceleration. In one embodiment, the logic circuit obtains the derivative of the input signal and multiplies it with the input signal. The input sig...	11/22/1977
4031380	Method and device for the integration of analog signals In a method and a device for storing analog signals in integrated circuit elements, the memory elements are constituted by field-effect transistors having a number of layers of different dielectrics between the gate and the doped semiconductor substrate o...	06/21/1977
4025867	Capacitance magnification circuit A capacitance magnification circuit comprising an amplifier having a positive gain G, a first capacitor having a value C1, and a second capacitor having a value C2. The first capacitor is connected between the input port of the amplifier and an input port...	05/24/1977

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Class 708/823 - Integrator