Class 327/167 - Having network providing particular mathematical function (e.g., integrator, etc.)

Subclass of Class 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
Definition: Subject matter including circuitry which in response to
No. of patents: 29
Last issue date: 10/11/2011

Number	Title	Issue Date
8035435	Divided clock synchronization Circuits, demultiplexers, and methods are disclosed. A circuit includes a reference clock input to receive clock pulses at a reference clock speed. An internal divided clock input receives a divided clock signal from a clock divider that is driven by the clock pulse...	10/11/2011
7786777	Circuit arrangement and method for the provision of a clock signal with an adjustable duty cycle The circuit arrangement (1) comprises an input (2) for the connection of an oscillator (3) and an amplifier circuit (20) having a first input (21) that is coupled to the input (1) of the circuit arrangement (1), havin...	08/31/2010
7411527	Noise shaping quantizer A noise shaping quantizer having a first noise shaping quantization unit for applying a first noise shaping operation on an input signal. The first noise shaping quantization unit includes a local quantizer that quantizes the input signal and outputs an output signa...	08/12/2008
7135896	Output buffer circuit and semiconductor integrated circuit Replica output buffers, having the same input/output characteristic as that of an output buffer, respond to the rise of a TEST signal generated by a test pulse generating circuit and causes an output signal to rise at a through rate according to voltage of an SL_SET...	11/14/2006
7123678	RZ recovery A data and clock recovery system adapted for use with RZ data. In one embodiment a phase detector provides phase information for low to high data signal transitions only. In another embodiment a clock recovered from rising transitions is mixed with a clock recovered...	10/17/2006
6937485	Duty ratio detecting apparatus with small return time In a duty ratio detecting apparatus, a duty ratio detecting circuit is constructed by first and second nodes, a load current supplying circuit for supplying first and second load currents to the first and second nodes, respectively, and a current switch connected to...	08/30/2005
5804997	Current-to-voltage converting device and light receiver A device for converting a current pulse signal into a voltage pulse signal through a conversion from a current to a voltage includes a converting unit converting the current pulse signal into a first voltage signal, a voltage reducing unit generating a se...	09/08/1998
5723993	Pulse generating circuit for use in a semiconductor memory device A pulse generating circuit for use in a semiconductor memory device is triggered by a transition of an input logic signal, to provide an output pulse having a predetermined pulse width or period. Feedback from the output pulse is used to isolate the input...	03/03/1998
5576658	Pulse shaping circuit There is disclosed a rectangular filter which has a simple configuration and is capable of producing an improved rectangular wave. An input step wave is differentiated by a differentiator circuit and amplified by a first amplifier. The output from the amp...	11/19/1996
5508647	Noise shaper for preventing noise in low frequency band A noise shaper includes an incomplete integrator which conducts an addition of a present data and a last sampled data stored and a positive coefficient smaller than 1, a complete integrator which conducts an addition of a storage data before one sample de...	04/16/1996
5394108	Non-linear burst mode data receiver Binary current signals are differentiated to produce pulses indicative of the front and rear edges. The pulses are amplified and utilized in a latch to regenerate binary voltage signals which are amplified replicas of the input signals. Because of the inp...	02/28/1995
4968898	Pulse shaping circuit for radiation detector A pulse shaping circuit for use in a radiation detector. This circuit is adapted for x-ray spectroscopy. The pulse shaping circuit comprises a circuit for converting the output signal from the radiation detector into a step-function waveform, a pseudo-Gau...	11/06/1990
4891598	Variable bit rate clock recovery circuit In a variable bit rate clock recovery circuit, a phase difference between an input demodulated signal and a recovered clock signal is detected, the detected phase difference signal is filtered by a loop filter and is then integrated, the integrated signal...	01/02/1990
4881041	Pulse width distortion correction circuit A pulse width distortion correction circuit in which a digital input signal has its leading and trailing edges smoothed, is added to an analog pulse width control signal and compared to a reference voltage to provide a digital output signal with a correct...	11/14/1989
4780888	Method and arrangement for disturbance-proof recognition of data contained in data signals Timing signals are generated in a prescribed time duration after signal edges of data signals. Integrated data signals, rather than the data signals themselves, are sampled with these timing signals. First, data contained in the data signals is recovered ...	10/25/1988
4775804	Reconstructed clock generator The reconstructed clock generator instantly generates a data clock from existing serial data in any coding format which provides data transitions at a reasonable rate. The reconstructed clock waveform provides transitions at the original transmission cloc...	10/04/1988
4672638	Multipath canceller for cancelling a distortion caused to a radio frequency pulse by multipath transmission For use in cancelling a distortion caused by multipath transmission to an original radio frequency pulse of an original pulse shape, a multipath canceller comprises a priliminary circuit for producing a distortionless pulse of the original pulse shape and...	06/09/1987
4647790	Data signal correction circuit In a data correction circuit which can, for example, be used as an output circuit of an echo cancelling circuit for a teletext signal, a correction signal with which a level correction circuit and an amplitude correction circuit are controlled is obtained...	03/03/1987
4588905	Digital waveform conditioning circuit A digital waveform conditioning circuit for restoring a deformed digital signal into its original rectangular waveform, comprising an input terminal supplied with the deformed digital signal, a circuit for generating a reference signal by combining positi...	05/13/1986
4583007	Failsafe decision circuit A decision circuit is responsive to digital input signals and to timing signals for reshaping and retiming the input signals into reshaped and retimed output signals. The decision circuit also is responsive to the digital input signals and absence of the ...	04/15/1986
4423518	Timing recovery circuit A timing signal is generated from a received pulse-amplitude-modulated (PAM) signal by generating a delayed difference signal, multiplying the delayed difference signal by &#b1;1 in accordance with a decision signal, averaging the multiplication output to...	12/27/1983
4326169	Adaptive decision level circuit The adaptive decision level circuit (FIG. 3) slices a digital signal with respect to a decision level disposed between the signal levels. A correction signal generated from the sliced signals (S, S) compensates for variations in the signal levels by maint...	04/20/1982
4308618	Method of compensating phase noise at the receiver end of a data transmission system Data in the form of multi-value symbols is transmitted at a symbol rate 1/ƊT. At the receiver a decision circuit supplies estimates of the transmitted symbols on the basis of the received symbols. The present invention concerns compensating phase noise a...	12/29/1981
4306307	Method of reducing phase noise at the receiver end of a data transmission system Data in the form of multi-value symbols is transmitted at a symbol rate 1/ƊT. At the receiver a decision circuit supplies estimates of the transmitted symbols on the basis of the received symbols. The present invention concerns compensating phase noise a...	12/15/1981
4267515	Distortion factor meter circuit This invention relates to a distortion factor meter circuit adapted to measure a harmonic distortion factor of a signal, particularly. A first transmission line is provided which is adapted to shape a first signal having a harmonic component to produce a ...	05/12/1981
4266099	Pulse rejection and duration correction circuit A circuit which is particularly adapted for reconstructing fixed time duration dialing pulses in a telephone communications system while rejecting spurious pulses of less than a selected pulse duration. The circuit utilizes two coupling networks having in...	05/05/1981
4255712	Digital waveform conditioning circuit The disclosed circuit permits AC coupling of digital waveforms and rejects low frequency interference, yet restores proper waveform even to low frequency digital signals which have suffered waveform distortion by having passed through a transmission chann...	03/10/1981
4125812	Apparatus for baseline restoration in an AC-coupled signal Apparatus for baseline restoration in an AC-coupled signal is comprised of a differentiation circuit followed by an integration circuit to receive the signal and continually restore its DC reference. Both circuits are initially set to the DC reference, an...	11/14/1978
4110698	Digital waveform conditioning circuit A digital waveform conditioning circuit includes a noninverting amplifier stage. A source of digital information is coupled to the input of the amplifier via a series resistor. The amplifier output is coupled to a digital utilization circuit. A feedback c...	08/29/1978

PatentStorm

Quotables

PatentStorm News

Class 327/167 - Having network providing particular mathematical function (e.g., integrator, etc.)