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JPH0359731U |
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JPH0338773B2 |
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JPH0338791B2 |
A deflection generator of a television receiver is coupled to a deflection winding for generating scanning current during a deflection cycle. The generator includes a retrace capacitor coupled to the deflection winding for forming a retr...
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JPH0358035U |
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JPH03127507A |
PURPOSE: To suppress dispersion of an oscillating frequency by cancelling the effect of a voltage difference of both threshold voltages of a Schmitt circuit onto the oscillating frequency. CONSTITUTION: A voltage difference of high and l...
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JPH0334686B2 |
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JPH0331008B2 |
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JPH03106111A |
PURPOSE: Tc attain accurate measurement by devising that a displayed voltage of an output display circuit indicates a degree of tilt of a ramp voltage. CONSTITUTION: A value Vd is extracted and latched from an output pulse of a different...
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JPH0391315A |
PURPOSE: To prevent oscillation from being interrupted when a switch contact is changed over by off-biasing an on-biased transistor(TR), which is connected between one contact of a switching circuit and a power source, when the other con...
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JPH0325053B2 |
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JPH0325074B2 |
A resonant magnetic deflection circuit is disclosed for reducing a retrace period of an electron beam scanning within a cathode ray tube (CRT) apparatus. Opposite polarity flyback voltage pulses occur at both ends of a deflection coil (1...
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JPH0322732B2 |
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JPH0322734B2 |
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JPH0322733B2 |
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JPH0320921B2 |
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JPH0320089B2 |
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JPH0358514A |
PURPOSE: To reduce power consumption by transferring power stored in an inductance while switching is ON to an input capacitance and returning power stored in the input capacitance while witching is OFF to the inductance. CONSTITUTION: T...
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JPH0317251B2 |
PURPOSE:To obtain a signal of frequency which is an optional multiple of that of a reference signal from the reference signal stably with high precision by utilizing the oscillation signal of an oscillation circuit which has a stable fre...
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JPH0316806B2 |
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JPH0315368B2 |
PURPOSE:To reduce response delay and to stabilize even a high oscillation frequency by constituting a transistor(TR) for charging/discharging control by using constant current sources, NPN TRs, resistances, a voltage level shift means, a...
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JPH0315370B2 |
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JPH0315369B2 |
PURPOSE:To stabilize oscillation frequency at the time of high frequency by constituting all transistors(TR) up to the base inputs of pnp TRs in a positive feedback route of rapid npn TRs and executing the unsaturated operation of an ele...
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JPH0338910A |
PURPOSE: To obtain a stable frequency without being affected by dispersion of RON (ON resistance) of a transistor(TR) by connecting an external capacitance and a resistor in series and selecting the charging and discharge time constant f...
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JPH036035Y2 |
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JPH0311146B2 |
A circuit arrangement for a picture display device for generating a sawtooth-shaped line deflection current, at least two controllable deflection switches which are switched at line frequency and are arranged in series. As a result there...
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JPH0334619A |
PURPOSE: To prevent the oscillation frequency fluctuation caused by a variation of a threshold voltage of a transistor caused by a power supply voltage fluctuation and a process fluctuation, etc., by providing a control circuit by which ...
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JPH0322705A |
PURPOSE: To generate a ramp wave which has a high through rate by switching a 1st current switch according to clock pulses and then outputting the ramp wave having a constant amplitude which varies between a 1st and a 2nd reference volta...
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JPH037163B2 |
PURPOSE:To simplify the circuit constitution and to improve the frequency accuracy and stability, by controlling the depth of modulation independently of the center frequency. CONSTITUTION:The 1st and 2nd oscillation frequency controllin...
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JPH035107B2 |
PURPOSE:To generate a multilevel pulse and to drive a capacitive load, by providing a capacitor between a driver of the first stage and a driver of the next stage and performing the charging/discharging through the capacitor and via a di...
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JPH031828Y2 |
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JPH02312313A |
PURPOSE: To use inexpensive parts to obtain the oscillator output hardly affected by the variance of temperature or the like by determining the oscillation frequency by currents flowing to two power sources and the capacity of a capacito...
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JPH02312312A |
PURPOSE: To oscillate a frequency at a high speed by using not a diode but a differential amplifying circuit as an oscillation voltage control circuit to reduce a fixed voltage. CONSTITUTION: A differential amplifying circuit 9 consistin...
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JPH0248933Y2 |
A coin testing device for discriminating between an acceptable coin and an unacceptable coin of similar diameter but having a different edge characteristic. The device comprises a coin passageway defining a path along which coins pass th...
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JPH02297046A |
PURPOSE: To bring the forms of sparks to be suitable for a specific analysis to perform by measuring the current passing through the sparks by a resistor and a comparator and making the amplitudes of the various parts of the sparks indep...
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JPH0246111Y2 |
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JPH0254970B2 |
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JPH0254689B2 |
PURPOSE:To obtain a triangular wave with a 50% duty cycle by connecting a charged and discharged capacitor to the connection point of series-connected transistors (TR) and tuning on and off those TRs and TRs constituting a current mirror...
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JPH0253966B2 |
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JPH0252456B2 |
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JPH0251311B2 |
A horizontal scan linearization circuit generates a linear ramp voltage during the active picture scan interval, which is compared to the non-linear ramp current of a cathode ray tube yoke circuit. The difference signal is fed back to th...
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JPH0250476B2 |
A CRT picture display apparatus of the raster scan type comprises a cathode ray tube (10) for raster scanning, a horizontal deflection circuit (34) for supplying a horizontal deflection current to a horizontal deflection coil (3) of the ...
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JPH02266610A |
PURPOSE: To make the duty cycle of a rectangular wave stable and to improve the reliability of the circuit operation by applying constant current charging in a charge/discharge circuit. CONSTITUTION: A transistor(TR) whose base connect t...
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JPH0249057B2 |
Integrated circuit system for generating a rise-time regulated and level controlled high voltage pulse utilizing a plurality of diode-connected stages driven by capacitively coupled low voltage clocks. The maximum output voltage may be c...
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JPH0249059B2 |
PURPOSE:To obtain a synchronous oscillation unit which can perform synchronous oscillation even if the free-running oscillation frequency is higher than the frequency of synchronizing signals. CONSTITUTION:A synchronous oscillation unit ...
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JPH0249074B2 |
A pulse generator is provided which may be advantageously used to produce a deflection drive signal in a television receiver. A capacitor is initially charged to a reference voltage level. Prior to the time at which the output pulse is t...
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JPH02130126U |
A delay device has an oscillation circuit (1), a transistor (201) turned on and off by a signal from the oscillation circuit and a delay circuit comprising a capacitor (203) and a resistor (202) connected to the transistor so that the de...
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JPH02130124U |
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JPH02260914A |
PURPOSE: To always execute an integral control action without being affected due to a temperature change by adding the other diffusion resistance which compensates the charge current of a capacitor that executes charge and discharge. CON...
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JPH0238510Y2 |
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JPH02248167A |
PURPOSE: To keep an output amplitude and S-shaped waveform compensation effect constant even when a frequency of a ramp signal is changed by adding the ramp signal with a ramp voltage waveform and a compensation signal whose voltage regu...
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