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High voltage changeable resistor

A resistor, variable technology

Inactive Publication Date: 2005-07-27
MURATA MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This makes it impossible to insert the flip button connector into the intended position and make a reliable connection between the flip button connector and the output leads

Method used

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  • High voltage changeable resistor
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0038] Refer to below Figure 4 to Figure 8 The high-voltage variable resistor of the preferred embodiment of the present invention is described.

[0039] As an example, the high-voltage variable resistor 10 of this embodiment is used to adjust the focus and measurement of a color TV or a color display. The high-voltage variable resistor 10 includes an insulating housing 11 made of highly flame-retardant materials, such as polybutylene terephthalate, polyphenylene ether, and polycarbonate; a circuit board 23 placed in the housing 11; Variable resistors 24, 25, 26; focus output sections 27 and 28; screen output section 29. in spite of Figure 4 Only the control buttons of the variable resistors 24, 25, and 26 are shown, and the slider attached to each control button slides on a resistor (not shown) formed on the surface of the circuit board 23, thereby setting the desired resistance value . The number of variable resistors can be one, two or more than four. Three output sections are...

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PUM

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Abstract

A high-voltage variable resistor includes a circuit section contained in an insulating casing, a snap-in terminal inserted in a terminal base portion of the casing and connected to an output portion of the circuit section, and an output connecting electrode inserted in the terminal base portion from a direction orthogonal to the snap-in terminal and press-fitted in and connected to the snap-in terminal. The terminal base portion of the casing has an insertion groove for guiding and inserting the snap-in terminal, an insertion hole for guiding and inserting the output connecting electrode, and a relief groove formed on a side face of the insertion groove intersecting the insertion hole. The insertion groove, the insertion hole, and the relief groove are simultaneously formed by a metal mold of the structure to be pierced.

Description

Technical field [0001] The present invention relates to a high-voltage variable resistor that adjusts the focus voltage and scanning voltage of a television receiver and the like. Background technique [0002] A high-voltage variable resistor called a "focus assembly" is usually used to adjust the focus and measurement of a color TV and monitor. Japanese unexamined patent application JP 7-235402 discloses this type of high-voltage variable resistor, in which the flip-button joint of the elastic part contacting the connection electrode of the circuit board is placed on the joint substrate part of the insulating housing, and the output lead Press in the toggle connector from the orthogonal direction, thereby establishing a connection with the outside. This high-voltage variable resistor can be manufactured at low cost because the inner circuit board and the output lead can be electrically connected without using conductive rubber or solder. [0003] In the above-mentioned high-volt...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01R13/11H01C1/14H01C10/00H01C10/30
CPCH01C10/30H01C10/00
Inventor 宫本利之
Owner MURATA MFG CO LTD
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