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| Number | Title | Issue Date |
| 7865543 | Offset compensation for rail-to-rail avereraging circuit An averaging circuit includes an averaging unit and an offset compensation unit. The averaging unit generates an average signal from first and second input signals. The offset compensating unit is coupled to the averaging unit for conducting away bias currents from ... | 01/04/2011 |
| 7075466 | System and method for improving performance of an analog to digital converter The present invention provides an ADC apparatus and method for improving effective bit resolution and suppressing digital reconstruction artifacts with an anti-aliasing filter and an over-sampled input. ADC resolution can be increased by combining a dither signal wi... | 07/11/2006 |
| 7032195 | Noise suppression component selecting method and program In a method of selecting a suitable noise suppression component, an input signal to a digital circuit including a transmitter IC, a noise suppression filter, a transmission line, and a receiver IC is expanded by Fourier expansion so as to express the input signal in... | 04/18/2006 |
| 6804697 | Circuit for precise measurement of the average value of the outputs of multiple circuit unit elements An averaging circuit includes: input signal nodes for providing input signals 330; a multiplexing circuit 320 coupled to the input signal nodes for switching between the input signals 330 to create a time waveform; a low pass filter 300 c... | 10/12/2004 |
| 5465227 | Real time auto-correlation filter method and apparatus An auto-correlation filter for increasing the signal-to-noise ratio in a signal having synchronous analog components to be detected and associated asynchronous noise components includes a circuit for inputting a plurality of cycles of the signal and noise... | 11/07/1995 |
| 5060302 | Automatic adjustment of optical power output of a plurality of optical transmitters An apparatus for automatically adjusting the optical power output of multiple optical transmitters. Each of the optical transmitters is optically interconnected to a common optical repeater. The optical repeater is responsive to optical signals received f... | 10/22/1991 |
| 4862074 | Polyphase volt-hour indicating circuit An electronic circuit arrangement for producing an output signal representative of the average value of an alternating voltage in a power transmission system, composed of: at least one circuit unit composed of a pulse width modulator (6) connected to deri... | 08/29/1989 |
| 4578772 | Voltage dividing circuit The present invention relates to a voltage dividing circuit comprising capacitors or resistors. In the case of a voltage dividing circuit comprising capacitors, the capacitors are connected at one end to an output terminal and at the other end connected a... | 03/25/1986 |
| 4551817 | Device for detecting center position of two-dimensionally distributed data A device capable of obtaining, without data scanning by a computer, information of the center position and, if desired the total sum of two-dimensionally distributed data generated as outputs from a matrix of sensors arranged along X- and Y-axes. The devi... | 11/05/1985 |
| 4352094 | Device for acquiring and averaging samples of a noisy periodic signal In the error signal feature sensor of the device, an analog synthesized signal is produced throughout the first portion of each period of the analog noisy test signal to be acquired by means of the digital value of samples memorizing in a random access me... | 09/28/1982 |
| 4213184 | Signal processor for processing ultrasonic receiver signals A signal processor is provided which uses an analog integrating circuit in conjunction with a set of digital counters controlled by a precision clock for sampling timing to provide an improved presentation of an ultrasonic transmitter/receiver signal. The... | 07/15/1980 |
| 4153896 | Compression and expansion of symbols Separate portions of an image are identified as distinct areas, each of which is identified by a code. Coded signals representing lines extending in one direction across the image are read out of a first store under the control of clocking signals in seri... | 05/08/1979 |
| 4110834 | Method and circuit arrangement for the multiplication of electrical signals A method for the multiplication of electrical signals comprises modulating the signals to be multiplied with functions having positive and negative values, multiplying the modulated signals together, demodulating the resulting product with demodulation fu... | 08/29/1978 |
| 4054786 | Running average computer A special purpose digital computer requiring minimal data storage capabil for continually calculating the numerical average of a predetermined number of sampled data values. The average In + 1 is calculated according to the equation: ##EQ... | 10/18/1977 |
| 4037095 | Signal stabilizing circuits This specification discloses signal processing circuits of the type suitable for use in removing unwanted cyclic and/or random components from a d.c. signal such as signals of the type produced by load transducers in weighing systems. In the preferred for... | 07/19/1977 |
| 4024540 | Continuous wave FM tone ranging radar with predetection averaging A CW FM TR radar receiver responsive to a local tone modulation source and a return signal having a carrier frequency modulated by the tone is particularly adapted to handle a return signal containing different returns derived from multiple targets and/or... | 05/17/1977 |
| 4001605 | Voter circuit including averaging means A voter circuit with averaging means eliminates a deadzone characteristic inherent in prior art voter circuits when unvoted or unwanted input signals are near zero. Elimination of the deadzone characteristic renders the voter usable in small signal region... | 01/04/1977 |
| 3979720 | Apparatus for monitoring a redundant multi-channel analog system Apparatus for monitoring a redundant multi-channel analog system and for the forming of an undisturbed mean signal value in which all channels are connected to the inputs of a maximum value selection device and a minimum value selection device with a mean... | 09/07/1976 |
