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8064825 |
Power reception control device, power transmission control device, non-contact power transmission system, power reception device, power transmission device, and electronic instrument
A power-receiving-side control circuit of a power reception device performs intermittent load modulation by causing an NMOS transistor to be turned ON/OFF during normal power transmission. A...
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8004336 |
Semiconductor memory device and method for operating the same
A semiconductor memory device includes an edge detector configured to receive two pairs of complementary clocks to detect edges of the clocks, a comparator configured to compare output signals of...
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7785284 |
Joint for fluid transport lines for medical use
The joint (36) comprises a tubular body (37) having two connecting zones (38, 39) each connected by an end to a tubular element (40) of a fluid transport line, giving continuity to passage of...
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7768303 |
Apparatus, circuit and method of monitoring performance
An apparatus includes a first sequential circuit which captures an input signal according to a first clock signal, a second sequential circuit which captures the input signal according to a second...
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7729632 |
High voltage power supply and a high voltage power control method thereof
A high voltage power supply and a high voltage power control method thereof. The high voltage power supply includes a high voltage generation part to generate a high voltage, and a pulse width...
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7649387 |
Output driving circuits
An output driving circuit is disclosed, providing an output signal at an output node and comprises an inverter and an output driver. A first P-type transistor and a first N-type transistor of the...
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7436919 |
Methods and apparatus for bit synchronizing data transferred across a multi-pin asynchronous serial interface
Methods, devices and systems are provided for bit synchronizing multiple serial bitstreams (106) with a common clock signal (116). Activity occurring in each bitstream is detected (304) for each of...
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6973399 |
Method and circuit for correcting periodic signals of an incremental position measuring system
A circuit arrangement for the correction of periodic signals from an incremental position measuring system that includes a first assembly comprising a multiplexer having an input to which a...
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6963229 |
Clock skew indicating apparatus
An apparatus for indicating clock skew within integrated circuits (ICs) of a system. There are first and second IC chips operating on respective clocks in the system. According to the invention,...
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6946880 |
Compact balun for rejecting common mode electromagnetic fields
A space-efficient broadband balun (20). The balun (20) includes a first mechanism (44, 80, 82, 94, 96) for receiving an input signal (52, 54) having an undesirable component. A second mechanism...
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6935564 |
Circuit and method for correcting influence of AC coupling
A systems and method generate a progressively corrected scan signal, the progressively corrected scan signal having a magnitude independent of spectral reflectance from a background near a target....
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6859912 |
Method and circuit arrangement for clock recovery
Clock recovery from transmitted data signals is carried out entirely digitally, and in a manner that is essentially insensitive to dynamic changes in the phase of the data signal. To this end, at...
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6775809 |
Technique for determining performance characteristics of electronic systems
A technique for determining performance characteristics of electronic systems is disclosed. In one exemplary embodiment, the technique may be realized as a method for determining performance...
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6667894 |
Acquisition process by analog signal sampling, and an acquisition system to implement such a process
An acquisition process for signal sampling includes high-speed analog signal sampling, storing the samples of the analog signal in a matrix of memory cells, and re-reading the samples from the...
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6573759 |
Apparatus and method for extracting data values from a signal encoded with AES3 data
Apparatus for determining nominal pulse duration values in a signal encoded with an AES3 data stream includes a first circuit for measuring duration of each pulse of the signal and providing a...
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6549571 |
Circuitry and method for duty measurement
Duty measuring circuitry of the present invention includes a pulse detecting circuit for detecting at least one of a convex pulse width and a concave pulse width included in an input data signal. A...
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6504410 |
Fault tolerant storage cell
A storage cell of an integrated circuit is operable in a radiation environment to capture and store at predetermined time intervals a time sample of a data input signal. A signal representative of...
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6389548 |
Pulse run-length measurement for HF data signal by dividing accumulated phase difference between first and second zero-crossings by single-cycle range using multiple cycle range sawtooth waveform
A system and method for accurately measuring a pulse run length in a high frequency (HF) data signal while utilizing a low analog-to-digital conversion (ADC) sampling rate. Four bits are added to...
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6064704 |
Digital pulse filtering circuit
A digital pulse filtering circuit for filtering out pulses of specific pulse widths in a composite signal is provided. The digital pulse filtering circuit includes a sampling circuit for sampling...
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6000829 |
Semiconductor integrated circuit capable of compensating for flucuations in power supply voltage level and method of manufacturing the same
In a semiconductor integrated circuit, a CMOS logic circuit receives a voltage from a power-source line, while releasing a current through a ground line. A constant-voltage auxiliary circuit is...
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5633607 |
Edge triggered set-reset flip-flop (SRFF)
A timer comprised of first and second gated SR (set-reset) latches each including two pair (S1, S2 and R1, R2) of inputs and a pair of outputs (Q, QN), the Q output of the first latch being...
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5446322 |
Apparatus and method for determining when the frequency of an alternating signal is below a predetermined threshold
A frequency-responsive integrated circuit (IC) for determining when the frequency of a clock pulse input signal is below a predetermined threshold level, the IC including a capacitor charged up at...
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5367200 |
Method and apparatus for measuring the duty cycle of a digital signal
The technique of measuring the duty cycle of a digital signal of known repetition rate is disclosed. It makes use of the fact that the probability of the digital signal being at the high level is...
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4810904 |
Sample-and-hold phase detector circuit
A sample-and-hold phase detector (30, 80, 90, 100, 110) which includes sample-and-hold circuitry (FIG. 6) having variable efficiency. Specifically, the sample-and-hold circuitry provides a sampling...
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4768208 |
Mid-symbol sampling timing estimator
A timing error estimator which samples a received stream of data symbols at the beginning, end, and a mid-point of a symbol period is disclosed. These samples are used with a model that assumes...
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4706034 |
Signal discriminating apparatus for extracting component signals from a composite signal
An apparatus for extracting a specific component signal from a composite signal composed of a first component signal and a second component signal. The apparatus includes two transistors which...
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4694195 |
Ratio analyzer
A ratio analyzer employing two time-base generators which are used to convert time intervals to analog voltages. The outputs of the two time-base generators are sampled and the amplitude of one...
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4694256 |
Compensation circuit for pulse signals
A compensation circuit for pulse signals includes a noise pulse cutting circuit and a compensation pulse generating circuit. The noise pulse cutting circuit passes a reference pulse which is...
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4617677 |
Data signal reading device
A data signal reading device for reading an input data signal, such as may be received from an infrared remote control device, wherein the amount of error contained in the output signal is reduced....
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4587448 |
Signal transition detection circuit
A signal transition detection circuit detects a transition which satisfies predetermined criteria related to magnitude and time. These criteria include that the magnitude of a group of signal...
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4584489 |
Multichannel time-voltage converter
A multichannel time-voltage converter generates a plurality of output voltages which respectively corresponds to the time period between a start pulse and each of a plurality of stop pulses. A...
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4571514 |
Amplitude adjusted pulse width discriminator and method therefor
An amplitude adjusted pulse width discriminator and method therefor wherein a received video pulse is sampled and held when it crosses a threshold. An indication of a valid pulse being present is...
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4532475 |
Impulse noise reduction by linear interpolation having a deemphasis characteristic
An analog audio signal having a high frequency preemphasis is applied to a sampling pulse generator (2) which generates a sampling pulse in response to an impulse noise introduced to the signal and...
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4517518 |
Circuit arrangement for reconstructing noise-affected signals
An analog input signal is applied to a timing circuit (2) for generating a sampling pulse in response to an impulse noise introduced to the signal and also to a first sample-and-hold circuit (7, 8,...
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4223270 |
Multiplexed CCD pulse width discriminator
A pulse width discriminator comprises a tapped analog delay line which preferably is a charge coupled device (CCD). The taps are spaced one sample time apart along the delay line. A correlator...
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4195264 |
Noise detection circuit
Digital noise detection circuit for detecting the presence of noise in digital diphase data and for producing an alarm signal in response to the detection of such noise. The digital diphase data is...
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4191897 |
Self-clocking circuit
A circuit is disclosed for separating clock and data pulses contained in a pulse train resulting from reading a two frequency encoded magnetic recording. The subject invention obviates the previous...
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4150310 |
Track and hold circuit
A track and hold system for use with a test instrument such as a multimeter includes an input circuit, a buffer amplifier, a storage device such as a capacitor, an output amplifier, an output...
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4015210 |
Circuit for detecting predetermined voltage level crossings of the modulating component of a frequency modulated signal
In the illustrative embodiment, a one shot multivibrator is adapted to receive an incoming FM signal at its input, and in operation generates a series of pulses which coincide in time with the...
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3946383 |
Monopulse pulse width discriminator
A monopulse pulse width discriminator for differentiating between input sals on the basis of pulse width and amplitude, having discriminator and timing circuits which outputs gate a video track...
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3936740 |
Method and apparatus for automatically sampling pulses a predetermined average number of times for storage and subsequent reproduction
An apparatus which includes circuitry for automatically sampling each pulse in a series of pulses a predetermined average number of times, sequentially storing the samples for a period of time, and...
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3828258 |
SIGNAL DURATION SENSING CIRCUIT
A circuit for producing output levels having a first or a second binary significance in response to input signals having a first or a second value, respectively, for a period greater than T. The...
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3747001 |
PULSE PROCESSING SYSTEM
A pulse counting system with improved energy resolution is disclosed having dual channels for pulse processing at different rates and a pulse pileup detector to select which channel is utilized....
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3700933 |
CONTROL CIRCUIT
An electrical circuit is provided wherein pulsed energy samples are applied to a load at spaced intervals and monitored to determine the condition of the load and any changes in pulse energy...
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3600688 |
SIGNAL DISCRIMINATOR CIRCUIT
A circuit, for eddy current testing of steel shapes, which discriminates input pulses caused by severe defects from input pulses caused by minor defects as well as pulses caused by changes in the...
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3586878 |
SAMPLE, INTEGRATE AND HOLD CIRCUIT
A signal sample, integrate, and hold circuit with data signal samples AND enabled to generally insure that when a signal is coexistent with the enable signal only a portion of the data bit truly...
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3582678 |
PULSE INTERVAL MEASUREMENT APPARATUS
First and second transistor switching pairs are connected to receive first and second pulses respectively. Each switching pair is biased to respond only when the instantaneous value of the...
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3575665 |
ASYNCHRONOUS DEMODULATION SYSTEM FOR PULSE POSITION MODULATION SIGNAL UTILIZING PHASE OR FREQUENCY MODULATED HIGHER HARMONIC OF A SAMPLING FREQUENCY
A system for demodulating pulse-position modulated (PPM) signals derives a phase or frequency-modulated wave from the incoming PPM signals through a band-pass filter having a center frequency...
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3568060 |
PULSE CENTER FINDER EMPLOYING DUAL COUNTER RATE WITH SYNCHRONOUS OPERATION
A device for digitally indicating the center of a pulse employing a pulse counter and a pulse generator having a fixed generating rate. Upon receipt of an initial pulse a first flip-flop opens a...
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3527929 |
STATISTICAL ERROR COMPUTING APPARATUS
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