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Patent Searching and Data


Matches 501 - 550 out of 4,573

Document Document Title
WO/1987/003434A1
Serial information bits are represented by a signal which alternates between two levels and remains at each level for a time representative of the information bit being represented. The serial bits are produced by sampling of a set of pa...  
WO/1986/007509A1
An apparatus for controllably producing a duty cycle modulated DC signal in response to receiving an analog voltage signal is useful, for example, in sensing mechanical motion and providing a responsive digital signal for use in a contro...  
WO/1986/007219A1
A phase modulator comprises an integrator (1) arranged to provide an output voltage (V) which can be changed from an initial level (V1), means (3) operative to effect change, at a time dependent upon receipt by the phase modulator of a c...  
WO/1985/004293A1
A control circuit having a drive circuit that operates in response to pulse-width modulated control signals to control a unit to be controlled. A first d-c voltage level is applied by a bias circuit (15) to an analog control signal. A tr...  
WO/1985/001847A1
The circuit arrangement of the current-impulse converter with variable time constant includes a digital gate, a feedback tag, a control capacitor and a charging capacitor, electronic switches connected serially to control capacitors. The...  
WO/1985/000257A1
Method for reading the signal to be detected according to the signal value and independently from the frequency range, as well as circuitry for implementing such method. The method according to the present invention is characterized in t...  
WO/1984/001244A1
Apparatus for converting an analog-format electrical signal or quantity (such as the magnitude of an electrical circuit element) into a corresponding pulse-format signal, preferably in the form of a train of periodic pulses the lenghts o...  
WO/1983/004148A1
A circuit for changing the frequency of a pulse train (10) in response to a change in the average value of an applied digital signal (18) applies the signal to be changed to a pulse subtractor (12). Application of a predetermined number ...  
WO/1982/002462A1
CVSD modulation is detected by applying a digital signal containing CVSD information to a digital filter (12) that is in the CVSD loop. The digital filter includes voltage-operated switches (40) that switch one of two voltages to a resis...  
WO/1981/001084A1
A circuit arrangement for an asynchronous motor drive of controlled stepping, i.e. for control of the number of revolutions of asynchronous squirrel-cage motors, in which the output of the supply unit is connected to a potentiometer, the...  
WO/1980/002457A1
A converter (photodiode 1) exposed to solar radiation (2) provides a d.c. current proportionnal to the radiation, charging a charge capacitor (3). This capacitor is connected at the input (11) of an analogue-digital switch (12) which pro...  
WO/1980/000206A1
Precision integrator with incremental outputs of the type comprising an operational amplifier mounted as an integrator, an analogue adder which does the summing up of currents I1, I2 at the input of the integrator, caracterized in that t...  
JP6750339B2  
JP2020108007A
[Subject] A Pulse-Density-Modulation circuit of high resolution is provided. [Means for Solution] Three state ST1 based on size relation between a CNT value of counter 11 which operates synchronizing with a CLK signal, a CNT value contai...  
JP2020520566A
A distortion mitigation quantization machine circuit is Pulse-Density-Modulation (PWM) subcarrier frequency f, in order to generate the pre-quantization machine which generates the 1st quantization signal that has L output signal level f...  
JP2020088829A
[Subject] Make it hard to become blunt about an output waveform. [Means for Solution] Triangular wave output circuit 100 is provided with the 1st output circuit 11 and the 2nd output circuit 12. The 1st output circuit 11 outputs referenc...  
JP6695378B2  
JP6686717B2  
JP2020031374A
To provide a PWM signal receiving device capable of removing an influence of spike noise and acquiring a duty ratio included in a PWM signal.The PWM signal receiving device includes: an edge detection unit for detecting a rising edge (up...  
JP2020031301A
To provide a pulse position modulation circuit capable of suppressing fluctuation of pulse width in modulated signals output therefrom.The pulse position modulation circuit includes: a delay lock loop circuit that includes multiple casca...  
JP2020031272A
To provide a semiconductor device capable of transmitting data used for different control without increasing a signal path.A pulse generation circuit 6 of a transmission side chip 2 outputs a low-frequency pulse train as a signal INH whe...  
JP2020025223A
To provide an A/D conversion circuit that can easily configure a clock generation circuit that generates a large number of sampling clocks even when design rules have become finer.Each of a plurality of connected third-stage inverters In...  
JP6641421B2  
JP6619756B2  
JP2019205155A
To provide a pulse-width modulation control circuit capable of increasing the control precision without increasing an operating frequency.A pulse-width modulation control circuit includes a first transistor and a signal generator. The fi...  
JP6601356B2  
JP2019161648A
To generate a pulse width modulation (PWM) signal by a processor communicatively coupled to a system memory element.A method computes, by a processor, a coarse adjustment PWM output signal and a modified fine adjustment input signal, by ...  
JP2019153840A
To generate a highly accurate PWM signal in which tone generation is suppressed.A signal processing apparatus for generating a PWM signal from PWM pattern data, includes: a first generation means for generating a PWM waveform from the PW...  
JP6562758B2  
JP2019126120A
To provide a motor driver control device which suppresses reduction in accuracy of motor control and improves noise resistance by suppressing fluctuation in duty of a PWM pulse signal with fluctuation in voltage value of a power source u...  
JP6529128B2  
JP2019087849A
To provide a PWM signal output device capable of appropriately performing current limitation even when a PWM duty reaches 100%.A current limit logic 4 of a PWM signal output device 1 activates a current limit signal to hold the state whe...  
JP6516929B2  
JP6476049B2  
JP2019016974A
To provide electronic control equipment capable of changing the output level of a PWM signal to a direction fixed level, according to an instant output fixed request, upon receiving the instant output fixed request.A PWM output circuit 1...  
JPWO2018139636A1
Switch outputting part 100 which pulse control device 10 generates pulse output voltage Vo from direct-current input voltage Vi, and it supplies to load (for example, relay coil 21 of Mechanical relay 20), It has low pass filter part 300...  
JP6449167B2  
JP6437001B2  
JP6433325B2  
JP2018186505A
To provide a timer for splitting time into two stages, a low accuracy stage and a high accuracy stage, in order to generate a more precise PWM signal frequency.A timer includes: a pulse width modulation (PWM) signal generator configured ...  
JP2018174548A
To generate a PWM output signal to make a duty cycle of the PWM output signal exactly equal to a duty cycle of a PWM input signal without reducing duty cycle resolution.A PWM circuit that generates a PWM output signal having an output fr...  
JP6416077B2  
JP2018160754A
To change an output signal brought into a first state accurately into a second state at desired timing.An output signal state changing circuit includes a first clock generating section 18 for outputting a clock signal with a second perio...  
JP2018148510A
To improve a quality of a pulse width modulation signal in an RF band.A communication apparatus generates a modulation signal on the basis of a fluctuation component signal and a phase component signal indicating a fluctuation and a phas...  
JP2018525868A
[Means for Solution] A digital microprocessor device (2) has a central processing unit, and a memory (8) and an output signal module (4). A counter (6) arranged so that the output signal module might be counted to a predetermined count v...  
JP6382473B1
Switch outputting part 100 which pulse control device 10 generates pulse output voltage Vo from direct-current input voltage Vi, and it supplies to load (for example, relay coil 21 of Mechanical relay 20), It has low pass filter part 300...  
JP6370201B2  
JP6356140B2  
JP2018518083A
In order to transmit a plurality of GPIO signals as a virtual GPIO signal, a multi-modulation method which combines Pulse Density Modulation and a phase modulation is provided.  
JP6337809B2  

Matches 501 - 550 out of 4,573