JPH04720U

JPH04720U -

Info

Publication number: JPH04720U
Application number: JP44090U
Authority: JP
Priority date: 1990-01-08
Filing date: 1990-01-08
Publication date: 1992-01-07

Description

[Brief explanation of the drawing]

第１図は、本考案における一実施例の要部断面
図であり、第２図は、従来例の要部断面図（第３
図のＡ−Ａ断面図）であり、第３図は、従来例の
平面図であり、第４図は、第３図のＢ−Ｂ断面図
である。１……円板状フエライトコア、２……環状溝、
３……透孔、４……引出溝、５……アール。 FIG. 1 is a sectional view of a main part of an embodiment of the present invention, and FIG. 2 is a sectional view of a main part of a conventional example (third
3 is a plan view of the conventional example, and FIG. 4 is a sectional view taken along line BB in FIG. 3. 1... Disc-shaped ferrite core, 2... Annular groove,
3...Through hole, 4...Drawer groove, 5...R.

補正平３．９．２図面の簡単な説明を次のように補正する。明細書第４頁第１５行目の「である。」を「で
あり、第５図は、従来例の拡大断面図である。」
に補正する。Amendment 3.9.2 The brief description of the drawing is amended as follows. In the 15th line of page 4 of the specification, "is" is replaced with "is," and FIG. 5 is an enlarged sectional view of the conventional example.
Correct to.

Claims

[Scope of utility model registration request]

In a rotary transformer, a coil is disposed on one surface of a disc-shaped ferrite core having a through hole in the center, and the leads of the coil are pulled out through a pull-out groove extending in the radial direction. A rotary transformer characterized by a radius of 0.3 mm or more formed at the corners of the bottom and side surfaces of the pull-out groove.