JPS6437001U

JPS6437001U -

Info

Publication number: JPS6437001U
Application number: JP13194087U
Authority: JP
Priority date: 1987-08-28
Filing date: 1987-08-28
Publication date: 1989-03-06

Description

[Brief explanation of the drawing]

第１図はこの考案の実施例であるポテンシヨメ
ータ用抵抗板を示す平面図、第２図ａは従来のポ
テンシヨメータ用抵抗板の一例を示す平面図、第
２図ｂは第２図ａのＡ−Ａ断面図、第３図は従来
例であるポテンシヨメータ用抵抗板を示す平面図
、第４図は従来の電気的有効角による出力特性図
である。１，１１……基板、２，１２……第１の導体、
２ａ，１２ａ……突出部、３，１３……第２の導
体、４，１４……第１の抵抗体、５，１５……第
２の抵抗体、６，７ａ，７ｂ，１６，１７ａ，１
７ｂ……ターミナル、ｌ，Ｌ……直線、ｍ，ｎ，
Ｍ，Ｎ……端部、θ……電気的有効角の理論値、
θ_１，θ_２，α，β……電気的有効角の実際値、
Ｏ……中心、Ｒ，Ｓ……ブラシの回転軸中心、ａ
，ｂ，ｃ……ブラシの摺動軌跡。 Fig. 1 is a plan view showing a resistance plate for a potentiometer which is an embodiment of this invention, Fig. 2a is a plan view showing an example of a conventional resistance plate for a potentiometer, and Fig. 2b is a plan view showing an example of a conventional resistance plate for a potentiometer. FIG. 3 is a plan view showing a conventional example of a resistance plate for a potentiometer, and FIG. 4 is a conventional output characteristic diagram according to an electrically effective angle. 1, 11... substrate, 2, 12... first conductor,
2a, 12a... protrusion, 3, 13... second conductor, 4, 14... first resistor, 5, 15... second resistor, 6, 7a, 7b, 16, 17a, 1
7b...terminal, l, L...straight line, m, n,
M, N... end, θ... theoretical value of electrically effective angle,
θ ₁ , θ ₂ , α, β……Actual value of electrically effective angle,
O... Center, R, S... Center of rotation axis of brush, a
, b, c...Sliding locus of the brush.

Claims

[Scope of utility model registration request]

On the substrate 1, a first conductor 2 which is a variable pole formed in an annular shape, a first resistor 4 covering the surface of the first conductor 2, and an outside of the first conductor 2, A second conductor 3 which is a pair of circular arc-shaped fixed poles arranged concentrically and facing the first conductor 2; a surface and an end portion m of the pair of second conductors 3;
a second resistor 5 forming a partially cut-out annular body that continuously covers the resistor 5 of the substrate 1;
A brush is rotatably provided at the center of the conductor 2, and this brush is connected to the second resistor 5 between the second conductors 3.
In a resistor plate for a potentiometer, which is adapted to take out a resistance value according to the contact position when brought into contact with , the ends m and n of the pair of second conductors 3 are parallel to each other. A resistor plate for a potentiometer characterized by a