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 |
|