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Patent Searching and Data


Matches 751 - 800 out of 3,245

Document Document Title
JPH09284587A
To digitally generate a sawtooth wave in order to attain the vertical deflection with high accuracy. The optional prescribed value A is set by a setting means 1 and supplied to an accumulation circuit 2 which adds (accumulates) the value...  
JP2665335B2
PURPOSE:To substantially expand the dynamic range of an integration means by controlling the ratio of intermission of signal passing in a gate means so as to control the substantial integration time of an input signal thereby adjusting t...  
JPH09274992A
To provide an oscillation device which is not affected at all by a power source voltage or external noise in changing an output oscillation frequency by application of the voltage from the external, and a discharge tube lighting device w...  
JP2660694B2  
JPH09266436A
To provide an oscillation circuit which can stably obtain a pulse oscillation signal with a large duty ratio by a capacitor having irreducible minimum capacity as an oscillation circuit which outputs a pulse oscillation signal with a lar...  
JPH09260950A
To reduce considerably an undesired spurious component due to periodic fluctuation in a duty ratio without use of a ROM. In the frequency synthesizer changing a frequency of a signal obtained at an output by changing input data ΔPHA of ...  
JP2655096B2
In an output buffer circuit so configured that a capacitor connected to a gate of an output driving MOS transistor and including a gate capacitance of the output driving MOS transistor is gradually charged through a resistor, so as to re...  
JP2653873B2
PURPOSE:To obtain a current controller for an inverter with high control accuracy inexpensively by converting a current command value to a current command of an analog basic sine wave, obtaining a deviation between the current command an...  
JP2643688B2
A waveshaping circuit for producing a bus output voltage signal having a substantially sinusoidal rising transition from a low voltage level to a high voltage level in response to the rising edge of a data input signal and a substantiall...  
JPH09219801A
To provide a vertical deflection circuit and a charge pump used for the circuit both of which operate by a single power source and are filled to incorporate in an IC(integrated circuit). The vertical deflection circuit boosting a power s...  
JPH09214304A
To attain stable operation by controlling properly a delay time by detecting it when a delay time of a variable pulse delay circuit exceeds at least an input pulse at a high level period or a low level period. A variable pulse delay circ...  
JP2641191B2
A linearity correction circuit for correcting asymmetrical linearity errors of the line deflection current includes a resonant capacitor coupled to a first inductor for forming a resonant circuit having a resonant frequency greater than ...  
JP2543725Y2  
JPH09200003A
To obtain a triangle wave signal whose waveform is stable at all times except a generation stop period without fluctuation in the slope of a triangle wave signal and both peak values resulting from jitter superimposed on a picture elemen...  
JP2635553B2
A television deflection apparatus includes a deflection winding coupled to a retrace capacitance to form a retrace resonant circuit. A power transistor switch is coupled to the retrace resonant circuit for generating alternating current ...  
JP2636891B2
A CMOS output driver having precise control of rise and fall times of signals generated from the output driver on a VLSI semiconductor chip. Two time-dependent voltage generators provide a separate ramp signal to each one of the gates of...  
JPH09181380A
To obtain an optical triangular wave generator in which a rectangular optical pulse signal can be converted into a triangular wave in order to obtain a short output pulse width by employing an optical element causing chirp phenomenon due...  
JP2628903B2
PURPOSE:To facilitate the designation of a membership function, and in addition, to simplify the interface with a binary computer as well by designating the type of the shape (shape of voltage distribution) and the label (language inform...  
JP2629077B2
An automatic calibration for a ramp voltage generator includes a ramp voltage generator circuit responsive to a clock signal for providing a ramp voltage during a ramp voltage period; a comparator responsive to the ramp voltage for indic...  
JPH09172355A
To obtain a triangle wave signal with excellent linearity in which a rising slope and a falling slope are equal to each other by synthesizing a sawtooth wave signal and an inverted sawtooth wave signal outputted alternately so as to gene...  
JP2623467B2
PURPOSE:To obtain an accurate signal wave representing a ratio of a period to another period till the inversion of a signal within the former period by providing a charge/discharge constant current generating means and a control means. C...  
JP2623890B2  
JP2623739B2  
JP2619638B2
An electron beam magnetic deflection system capable of raster and stroke deflection and providing minimum power dissipation in raster mode. Automatic switching (36; 20, 24, 28, 30) of the voltage demanded in raster mode is obtained by co...  
JPH09135449A
To control only a phase while keeping the duty ratio of a generated pulse constant. 1st and 2nd HSAW generating circuits 11 and 12 generate two saw-tooth waves HSAW1 (B) and HSAW2 (F) in which amplitudes are fixed regardlessly of the fre...  
JP2608880B2
A regulating power supply for a video display apparatus includes a switching transistor that periodically energizes a transformer winding. Input switching pulses for the transistor are varied in width and frequency to optimize power tran...  
JP2606866B2
For the adaptation to various line frequencies, a switch (T2), which is controlled by means of a switching pulse to conduct during the forward line trace time is located in the path of the operating voltage (UB). The object is to generat...  
JPH09121142A
To stabilize a charging/discharging operation to be stable independently of the fluctuation of a power source voltage by providing a current supply source which is functioned as a constant current source for temp. change and is propotion...  
JPH09116897A
To normally multiplex and transmit encoded data even if the bit rate of picture encoding is changed and information generation quantity is changed by providing a rate controller in a picture encoding part outputting encoded data. A pictu...  
JP2600920B2
Horizontal deflection circuits are disclosed which permit high-frequency operation through use of conductivity modulation MOS FET devices. Distortion of the horizontal deflection coil voltage is avoided by inclusion of compensation means...  
JP2591762B2
A circuit for supplying a parabolic signal by squaring (1) a sawtooth-shaped signal. For eliminatinga disturbance occurring during the retrace period, a signal is generated (4) during this period whose polarity is opposite to that of the...  
JP2590758B2
PURPOSE: To reduce the unnecessary signal output produced from a 1st buffer circuit and to operate a bus driver with a small power consumption by adding a capacitive part to the output part of the 1st buffer circuit. CONSTITUTION: The ou...  
JPH0969760A
To provide an oscillation circuit generating an oscillation electric signal which is not easily affected by supply voltage and a temperature. A capacitor C, a charge circuit CCA and a control circuit CCO are provided. The charge circuit ...  
JPH0964698A
To generates a saw tooth wave synchronous with a synchronizing signal by inputting the same synchronizing signal as a signal outputted from a differential amplifier to a buffer. A synchronizing circuit 5 inputs a synchronizing signal hav...  
JP2588258B2  
JP2588697B2
@ A timebase circuit for use in the vertical timebase of a television receiver in which a linearity control current fed to the ramp capacitor is derived by multiplying a current proportional to the difference between the instantaneous an...  
JP2588594B2
A horizontal deflection circuit comprising a horizontal output transistor, and a drive circuit is connected between the base and the emitter of the horizontal output transistor to supply a base drive voltage to the horizontal output tran...  
JP2586551B2  
JP2586159B2  
JP2586022B2  
JP2586021B2  
JP2583219B2
A vertical rate parabolic voltage at a peak-to-peak amplitude that is adjustable is generated in an integrator from a sawtooth input voltage. The parabolic voltage at an output terminal of the integrator is applied to a source of a B+ op...  
JPH0946198A
To improve the control characteristic and noise immunity of a system employing the pulse width modulation control circuit by keeping a peak voltage of an outputted triangle wave constant even when a frequency of a synchronizing signal (s...  
JP2580570B2  
JP2525979Y2  
JPH0936712A
To generate a step voltage at a high speed with high quality by connecting a resistor and a tunnel diode leading to reference voltage sources a, b to a connecting point between Schottky diodes A, B and delivering a logic voltage to a loa...  
JPH0928035A
To enable a capacitor charging circuit used for starting voltage feeding to an electric motor to remarkably quickly charge a capacitor so that the delay time in newly switching on the motor can be minimized. A charging resistor R1 is bri...  
JPH0923117A
To reduce the consumption of memory capacity by executing operation for outputting a sine wave value by two times of integral operation. In a digital integration means 11, a multiplying means 12 multiplies an output from a mulitplying me...  
JP2572794B2
An arrangement for generating a voltage waveform having a triangular shape, in which a first voltage waveform having a sawtooth shape is added to a second voltage that has a sawtooth shape with horizontal components during predetermined ...  
JP2570711B2  

Matches 751 - 800 out of 3,245