JPS5974711U

JPS5974711U - rotary transformer

Info

Publication number: JPS5974711U
Application number: JP17023982U
Authority: JP
Inventors: 明岡本
Original assignee: ティーディーケイ株式会社
Priority date: 1982-11-10
Filing date: 1982-11-10
Publication date: 1984-05-21

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図はロータリトランスの使用例を示す図、ゾ２図は
従来のロークリトランスの固定子または回転子の正面断
面図、第３図は同じく別の従来例の正面断面図、第４図
は本考案に係るロータリトランスを構成する固定子また
は回転子の平面図、第５図は同じくその底面図、第６図
は第４図のＡ−Ａ線上における断面図である。１・・・フェライト基板、９．１０・・・コイル導体、
１１・・・短絡導体、１２〜１５・・・引出電極、１６
〜１９・・・スルーホール導体。Fig. 1 is a diagram showing an example of the use of a rotary transformer, Fig. 2 is a front sectional view of a stator or rotor of a conventional rotary transformer, Fig. 3 is a front sectional view of another conventional example, and Fig. 4 5 is a plan view of the stator or rotor constituting the rotary transformer according to the present invention, FIG. 5 is a bottom view thereof, and FIG. 6 is a sectional view taken along line A--A in FIG. 4. 1... Ferrite board, 9.10... Coil conductor,
11... Short circuit conductor, 12-15... Extracting electrode, 16
~19...Through-hole conductor.

Claims

[Scope of utility model registration request]

(1) A stator with a coil conductor formed on one side of a ferrite substrate and a rotor with a coil conductor formed on one side of the ferrite substrate are arranged facing each other with a gap between them, and the stator and rotor In the rotary transformer, the stator and the rotor have an extraction electrode for the coil conductor on the other side of the ferrite substrate opposite to the side on which the coil conductor is formed. . A rotary transformer characterized in that the coil conductor and the extraction electrode are formed as a thick film conductor and are electrically connected to each other by a through-hole conductor of the same quality.

(2) The rotary transformer according to claim 1, wherein a plurality of sets of the coil conductors are provided, and an annular short-circuit conductor made of a thick film conductor is provided between each set.

(3) 'A dummy electrode made of a film-like conductor having approximately the same thickness as the extraction electrode is formed on the surface of the ferrite substrate on which the extraction electrode is formed. The rotary transformer according to item 1 or 2.