JPS59163937U

JPS59163937U - optical position sensing device

Info

Publication number: JPS59163937U
Application number: JP5916683U
Authority: JP
Inventors: 平野　正夫; 高岡　元章
Original assignee: オムロン株式会社
Priority date: 1983-04-19
Filing date: 1983-04-19
Publication date: 1984-11-02

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図はこの考案の実施例による光学的位置検知装置の
概略平面図、第２図は同変形例の概略平面図、第３図は
同要部を拡大した説明図、第４図は波長識別素子の説明
図、第５図は他の実施例の要部を拡大した説明図、第６
図は蛍光体による波長変換機構の説明図、第７図は線図
である。　　　１・・・光ファイバ、２・・・受光器、
３．　３ａ、　　３ｂ。３Ｃ・・・トリボ発光体。Fig. 1 is a schematic plan view of an optical position detection device according to an embodiment of this invention, Fig. 2 is a schematic plan view of a modified example of the same, Fig. 3 is an enlarged explanatory view of the main parts, and Fig. 4 is a wavelength An explanatory diagram of an identification element, FIG. 5 is an explanatory diagram showing an enlarged main part of another embodiment, and FIG.
The figure is an explanatory diagram of a wavelength conversion mechanism using a phosphor, and FIG. 7 is a line diagram. 1... Optical fiber, 2... Light receiver,
3. 3a, 3b. 3C...triboluminescent body.

Claims

[Scope of utility model registration request]

(1) Tribo-luminescent material that converts mechanical stress into light is applied to multiple locations on an optical fiber, a light receiver is placed at the end of the optical fiber, and light emission from the tribo-luminescent material is induced by the mechanical stress. An optical position detection device configured to detect the external force using a light receiver and determine the position where external force is applied from the difference in the light emission characteristics.

(2) The optical position detecting device according to claim 1, wherein the tribo-luminescent bodies coated at multiple locations on the optical fiber have emission characteristics of different wavelengths.

(3) The optical position sensing device according to claim 1, wherein the tribo-luminescent bodies coated at multiple locations on the optical fiber have light emission characteristics with different afterglow times.

(4) The optical position according to claim 2 of the utility model registration, in which a phosphor that absorbs and wavelength converts the light emitted from the tribo-luminescent material is coated at multiple locations on the optical fiber in combination with the tribo-luminescent material. Detection device.