Method of tuning high-voltage transformer for television receiver

Claim 1

A method of tuning a high-voltage transformer for television receivers and the like wherein the primary and high-voltage windings are wound around and axially spaced from one another in a plurality of axially spaced circumferential slots provided on the exterior of hollow, electrically insulative coil-form means, the interior of which surrounds a portion of the transformer core means, said method comprising the steps of: a. constructing a preliminary transformer with approximately the required number of turns of primary and high-voltage windings wound around and axially spaced apart from one another on the slotted coil-form means; b. electrically connecting the primary winding to a primary load, such as the deflection yoke for a television receiver picture tube and the like; c. electrically connecting a tuning capacitor in parallel with the primary winding; d. electrically connecting the high-voltage winding to a secondary load, such as the high-voltage rectifier and the anode of a television receiver picture tube or the like; e. electrically energizing and evaluating the preliminary transformer in terms of the shape of the primary winding voltage pulse; f. adjusting the value of the tuning capacitor to thereby obtain as closely as possible the desired harmonic tuning of the primary winding voltage pulse; and g. adjusting the inductive value of the primary or the highvoltage windings by adding or removing turns thereof from ones of said axially spaced circumferential slots of said coil form means to thereby obtain the desired harmonic tuning of the primary winding voltage pulse.

Claim 2

A method of tuning a high-voltage transformer for television receivers and the like wherein the primary and high-voltage windings are wound around and axially spaced from one another in a plurality of axially spaced circumferential slots provided on the exterior of hollow, electrically insulative coil-form means, the interior of which surrounds a portion of the transformer core means, said method comprising the steps of: a. constructing a preliminary transformer with approximately the required number of turns of primary and high-voltage windings wound around and axially spaced apart from one another on the slotted coil-form means; b. electrically connecting the primary winding to a primary load, such as the deflection yoke for a television receiver picture tube and the like; c. electrically connecting a tuning capacitor in parallel with the primary winding; d. electrically connecting the high-voltage winding to a secondary load, such as the high-voltage rectifier and the anode of a television receiver picture tube or the like; e. electrically energizing and evaluating the preliminary transformer in terms of the shape of the primary winding voltage pulse; f. adjusting the value of the tuning capacitor to thereby obtain as closely as possible the desired harmonic tuning of the primary winding voltage pulse; and g. adjusting the inductive value of the primary or the highvoltage windings by adding or removing turns thereof from ones of said axially spaced circumferential slots of said coil form means to thereby obtain the desired harmonic tuning of the primary winding voltage pulse.

Claim 6

A method of tuning a high-voltage transformer for television receivers and the like wherein the primary and high-voltage windings are wound around and axially spaced from one another in a plurality of axially spaced circumferential slots provided on the exterior of hollow, electrically insulative coil-form means, the interior of which surrounds a portion of the transformer core means, said method comprising the steps of: a. constructing a preliminary transformer with approximately the required number of turns of primary and high-voltage windings wound around and axially spaced apart from one another on a slotted coil-form means; b. electrically connecting the primary winding to a primary load, such as the deflection yoke for a television receiver picture tube and the like; c. electrically connecting a tuning capacitor in parallel with the primary winding; d. electrically connecting the high-voltage winding to a secondary load, such as the high-voltage rectifier and the anode of a television receiver picture tube and the like; e. electrically energizing and evaluating the preliminary transformer in terms of the shape of the primary winding voltage pulse; f. adjusting the value of the tuning capacitor to thereby obtain the desired harmonic tuning of the primary winding voltage pulse; g. adjusting the number of turns in the high-voltage winding to thereby obtain the desired width of the primary winding voltage pulse; and h. adjusting the number of turns in the primary winding to thereby obtain the desired harmonic tuning of the primary winding voltage pulse.

Claim 7

A method of tuning a high-voltage transformer for television receivers and the like wherein the primary and high-voltage windings are wound around and axially spaced from one another in a plurality of axially spaced circumferential slots provided on the exterior of hollow, electrically insulative coil-form means, the interior of which surrounds a portion of the transformer core means, said method comprising the steps of: a. constructing a preliminary transformer with approximately the required number of turns of primary and high-voltage windings wound around and axially spaced apart from one another on a slotted coil-form means; b. electrically connecting the primary winding to a primary load, such as the deflection yoke for a television receiver picture tube and the like; c. electrically connecting a tuning capacitor in parallel with the primary winding; d. electrically connecting the high-voltage winding to a secondary load, such as the high-voltage rectifier and the anode of a television receiver picture tube and the like; e. electrically energizing and evaluating the preliminary transformer in terms of the shape of the primary winding voltage pulse; f. adjusting the value of the tuning capacitor to thereby obtain the desired harmonic tuning of the primary winding voltage pulse; g. adjusting the number of turns in the high-voltage winding to thereby obtain the desired width of the primary winding voltage pulse; and h. adjusting the number of turns in the primary winding to thereby obtain the desired harmonic tuning of the primary winding voltage pulse.