High voltage generating device having an operational monitoring device

Claim 2

A high voltage generating device comprising a. a ceramic transformer including a ceramic plate having a drive portion and an electrical generating portion; a pair of drive electrodes on said plate; and an output electrode on the edge face of said electrical generating portion of said plate; b. power supply means for applying an ac drive voltage to said drive electrodes; c. receiving means, positioned in the vicinity of but not in direct physical contact with the surface of said electrical generating portion, said receiving means having a voltage induced therein said voltage corresponding to the output voltage of said device; and d. indicating means, coupled to said receiving means, for producing output indicative of the abnormal operation of said device.

Claim 3

A device as set forth in claim 1, wherein said receiving means is an electrically conductive piece.

Claim 4

A device as set forth in claim 2, wherein said conductive piece is provided in the form of a conductor plate, whose surface faces the surface of the electrical generating portion of the ceramic transformer.

Claim 5

A device as set forth in claim 3, wherein said conductive piece is a coil formed of a lead wire.

Claim 6

A device as set forth in claim 4, wherein said coil is wound within a plane and arranged in an opposing relation to the surface of said electrical generating portion.

Claim 7

A device as set forth in claim 1, wherein said indicating means is such that the abnormal operation of said ceramic transformer can be identified visually by the operator.

Claim 8

A device as set forth in claim 6, wherein said indicating indicating means is a glow discharge tube.

Claim 9

A device as set forth in claim 7, wherein said glow discharge tube is a neon tube.

Claim 10

A device as set forth in claim 7, wherein said indicating means is a volt-meter.

Claim 11

A device as set forth in claim 9, wherein said volt-meter has a high internal impedance.

Claim 12

A device as set forth in claim 10, wherein said volt-meter is a vacuum tube volt-meter.

Claim 13

A device as set forth in claim 2, wherein said device includes a casing adapted to house said ceramic transformer therein and holders adapted for affixing to both the drive portion and the electrical generating portion of said transformer to thereby positively support said transformer and wherein said conductive piece is rigidly secured via an insulating wall to said casing.

Claim 14

A device as set forth in claim 12, wherein said conductive piece is rigidly secured to the outer surface of said casing.

Claim 15

A device as set forth in claim 2, wherein said device includes a casing adapted to house the ceramic transformer therein and holders secured to both the drive portion and the electrical generating portion of said transformer so as to positively support said transformer within the casing and wherein said conductive piece is secured to said holders.

Claim 16

A high votlage generating device comprising: a. a ceramic transformer including a ceramic plate having a drive portion and an electrical generating portion; a pair of drive electrodes on the surface of said drive portion of said plate; and an output electrode on the edge surface of said electrical generating portion of said plate; b. power supply means for applying an ac drive voltage to said drive electrodes; c. a conductive means spaced a predetermined distance from said electrical generating portion, adapted to have an ac voltage from said generating portion induced therein; d. rectifying means coupled to said conductive means for rectifying said induced voltage; and e. indicating means coupled to said rectifying means for receiving said rectified voltage and for producing an indication of an abnormal operation of said device.

Claim 17

A high votlage generating device comprising: a. a ceramic transformer including a ceramic plate having a drive portion and an electrical generating portion; a pair of drive electrodes on the surface of said drive portion of said plate; and an output electrode on the edge surface of said electrical generating portion of said plate; b. power supply means for applying an ac drive voltage to said drive electrodes; c. a conductive means spaced a predetermined distance from said electrical generating portion, adapted to have an ac voltage from said generating portion induced therein; d. rectifying means coupled to said conductive means for rectifying said induced voltage; and e. indicating means coupled to said rectifying means for receiving said rectified voltage and for producing an indication of an abnormal operation of said device.

Claim 18

A device as set forth in claim 1, wherein said rectifying means is a half wave rectifying Circuit.

Claim 19

A device as set forth in claim 15, wherein said rectifying means is a full wave rectifying circuit.

Claim 20

A device as set forth in claim 1, wherein said rectifying means is a voltage-multiplying circuit.

Claim 21

A device as set forth in claim 18, wherein said voltage multiplying circuit is a voltage-doubling rectifying circuit.

Claim 22

A device as set forth in claim 15, wherein said indicating means includes: a field effect transistor adapted to operate by virtue of the voltage being applied from said rectifying means; a dc electrical power source connected to said transistor; and a lamp adapted to glow by means of an electrical current from said dc power source when said transistor is in a conductive state.

Claim 23

A device as set forth in claim 20, wherein said transistor is connected to the junction of two resistors connected in series between said rectifying means and the ground.