Pulse regulator controlled from voltage multiplier专利检索-倍增极电子零件及设备专利检索查询-专利查询网

Pulse regulator controlled from voltage multiplier

阅读：794发布：2023-03-19

专利汇可以提供Pulse regulator controlled from voltage multiplier专利检索，专利查询，专利分析的服务。并且In a television receiver in which the high voltage power supply for the picture tube includes a voltage multiplier coupled between the retrace pulse output of the horizontal sweep circuit and the second anode of the picture tube, a circuit for automatically regulating the pulse output of said sweep circuit comprising a pulse transformer having a primary winding connected between the multiplier reference terminal and ground, and a rectifier and time delay filter coupled between the pulse transformer secondary winding and the grid bias circuit of the horizontal output amplifier. The pulse transformer develops voltage pulses from the multiplier which, when rectified, provide a control voltage which is a function of picture tube beam current. Application of this control voltage via the filter to the bias circuit is operative to provide the desired pulse regulation by controlling the grid bias of the horizontal output amplifier.，下面是Pulse regulator controlled from voltage multiplier专利的具体信息内容。

权利要求

1. In electrical apparatus including an AC or pulsed power supply, a load, and a voltage multiplier coupled between said power supply and said load and having a reference terminal adapted to be coupled to a source of reference potential, control means for deriving a control signal which is a function of the current in said load and applying said control signal to said power supply comprising: an impedance comprising a primary winding of a pulse transformer connected between the reference terminal of said multiplier and said source of reference potential, and circuit means including a rectifier having an input coupled to a secondary winding of said pulse transformer and an output coupled to said power supply, said control signal being a DC voltage available at the output of said rectifier.

2. The control means of claim 1 wherein said multiplier includes a capacitor having a first terminal connected to the reference terminal of said multiplier and a second terminal coupled through circuit means to the output terminal of said multiplier, a first diode connected between the input terminal of said multiplier and the second terminal of said capacitor for charging said capacitor, and a second diode connected between the second terminal of said capacitor and circuit means coupled to the input terminal of said multiplier for discharging said capacitor.

3. The control means of claim 1 wherein said power supply includes an amplifier having a bias circuit coupled to the output of said rectifier.

4. The control means of claim 1 wherein a filter circuit is coupled between the output of said rectifier and said power supply.

5. The control means of claim 1 wherein the primary winding of said pulse transformer is included in a circuit tuned to a harmonic of the repetition frequency of the pulse output of said power supply.

6. The control means of claim 1 wherein said pulse transformer has a variable core for adjusting the amount of control signal applied to said power supply when current is flowing through said load.

7. The control means of claim 3 wherein said bias circuit includes a potentiometer for adjusting the amount of bias applied to the control electrode of said amplifier in the absence of load current.

8. The control means of claim 3 wherein said power supply further includes a pulse source, said amplifier has a control electrode coupled to said pulse source and an output electrode coupled to said multiplier, said bias circuit is connected to the control electrode of said amplifier, and application of said control voltage to said bias circuit is operative to regulate the pulse output of said power supply.

9. The control means of claim 8 wherein said electrical apparatus is a television receiver, said load comprises an electron beam display device having a plurality of electrodes with a signal source being coupled to at least a first one of said electrodes, said pulse source comprises a horizontal scanning frequency oscillator coupled to said signal source for synchronization, said power supply further includes a horizontal scanning frequency output transformer having a first terminal coupled to the output electrode of said amplifier, said multiplier has an input terminal coupled to a second terminal of said horizontal output transformer and an output terminal coupled to a second one of the electrodes said display device, and said control voltage is a function of the beam current of said display device.

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Pulse regulator controlled from voltage multiplier

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