High voltage generator

Claim 2

A high voltage generator comprising a transformer having a secondary winding, a first rectifier having one end thereof connected to one end of said secondary winding and the other end thereof connected to a reference potential point, said first rectifier being provided to float the secondary winding of said transformer from the reference potential point, and a second rectifier having the same polarity as that of said first rectifier with respect to DC current flowing through the secondary winding of said transformer, said second rectifier having one end thereof connected to the other end of said secondary winding and the other end thereof being an output terminal for a load.

Claim 3

A high voltage generator according to claim 1, wherein said transformer is housed in a case filled with an insulating liquid.

Claim 4

A high voltage generator according to claim 1, wherein said transformer is a flyback transformer and wherein an output terminal for moderately high DC voltage is provided at a neutral point for alternating current produced in the secondary winding of said flyback transformer, said neutral point being defined as a point at which no pulse potential corresponding to a flyback pulse is generateD and pulse voltages are induced between the neutral point and one end of said secondary winding and between the neutral point and the other end of said secondary winding respectively, said pulse voltages having reverse polarity with respect to each other.

Claim 5

A high voltage generator according to claim 1 further including a capacitor connected in parallel with said first rectifier connected to said reference potential point.

Claim 6

A high voltage generator according to claim 4, wherein said transformer is a flyback transformer and wherein an output terminal for moderately high DC voltage is provided at a neutral point for alternating current in said secondary winding, said neutral point being shifted by varying the capacitance value of said capacitor, said neutral point being defined as a point at which no pulse potential corresponding to a flyback pulse is generated and pulse voltages are induced between the neutral point and one end of said secondary winding and between the neutral point and the other end of said secondary winding respectively, said pulse voltages having reverse polarity with respect to each other.

Claim 7

A high voltage generator comprising a flyback transformer having a secondary winding, a first rectifier having one end thereof connected to one end of said secondary winding and the other end thereof connected to a reference potential point, a second rectifier having the same polarity as that of said first rectifier, said second rectifier having one end thereof connected to the other end of said secondary winding, the other end thereof being an output terminal for a load, and a capacitor connected between a given division point in said secondary winding and a given reference potential point, said division point being rendered forcibly to be a neutral point for alternating current by said capacitor at which point no pulse potential corresponding to a flyback pulse is generated and pulse voltages are induced between the neutral point and one end of said secondary winding and between the neutral point and the other end of said secondary winding respectively, said pulse voltages having reverse polarity with respect to each other.

Claim 8

A high voltage generator comprising a flyback transformer having a secondary winding, a first rectifier having one end thereof connected to one end of said secondary winding and the other end thereof connected to a reference potential point, a second rectifier having the same polarity as that of said first rectifier, said second rectifier having one end thereof connected to the other end of said secondary winding, the other end thereof being an output terminal for a load, and a capacitor connected between a given division point in said secondary winding and a given reference potential point, said division point being rendered forcibly to be a neutral point for alternating current by said capacitor at which point no pulse potential corresponding to a flyback pulse is generated and pulse voltages are induced between the neutral point and one end of said secondary winding and between the neutral point and the other end of said secondary winding respectively, said pulse voltages having reverse polarity with respect to each other.

Claim 9

A high voltage generator according to claim 6, wherein tuning to two different odd order harmonic frequencies of a driving AC voltage is effected by a primary winding of said transformer and said secondary winding divided by said capacitor.

Claim 10

A high voltage generator according to claim 6, wherein an output terminal for moderately high DC output is provided at the junction point between said secondary winding and said capacitor.

Claim 11

A high voltage generator comprising a flyback transformer connected to a horizontal output circuit, a first rectifier having one end thereof connected to one end of a secondary winding of said flyback transformer and the other end thereof connected to a reference potential point, a second rectifier having the same polarity as that of said first rectifier with respect to DC current flowing through the secondary winding of said transformer, said second rectifier having one end thereof connected to the other end of said secondary winding and the other end thereof connected to an anode electrode of a cathode ray tube, and an output terminal for moderately high DC voltage provided at a neutral point for alternating current formed in said secondary winding of said flyback transformer, said neutral point being defined as a point at which no pulse potential corresponding to a flyback pulse is generated and pulse voltages are induced between the neutral point and one end of said secondary winding and between the neutral point and the other end of said secondary winding respectively, said pulse voltages having reverse polarity with respect to each other, and output terminal being connected to a focusing electrode of said cathode ray tube.

Claim 12

A high voltage generator comprising a flyback transformer connected to a horizontal output circuit, a first rectifier having one end thereof connected to one end of a secondary winding of said flyback transformer and the other end thereof connected to a reference potential point, a second rectifier having the same polarity as that of said first rectifier with respect to DC current flowing through the secondary winding of said transformer, said second rectifier having one end thereof connected to the other end of said secondary winding and the other end thereof connected to an anode electrode of a cathode ray tube, and an output terminal for moderately high DC voltage provided at a neutral point for alternating current formed in said secondary winding of said flyback transformer, said neutral point being defined as a point at which no pulse potential corresponding to a flyback pulse is generated and pulse voltages are induced between the neutral point and one end of said secondary winding and between the neutral point and the other end of said secondary winding respectively, said pulse voltages having reverse polarity with respect to each other, and output terminal being connected to a focusing electrode of said cathode ray tube.