JPS6080340U - photo sensor - Google Patents

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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来の遮蔽型フォトセンサの外観図、第２図は
第１図フォトセンサの構成図、第３図は従来の反射型フ
ォトセンサの外観図、第４図は第３図フォトセンサの構
成図、第５図はこの考案のフォトセンサの第１の実施例
を示す図で、ａは正面図、ｂは側面図、第６図はこの考
案の第２の実施例を示す図で、ａは正面図、ｂは側面図
、第７図および第８図はこの考案の第３および第４の実
施例を示す図で、各々ａは平面図、各々ｂは正面図であ
る。 １１．３１・・・・・・樹脂ケース、１４，３３・・・
・・・発光素子、１５．３４・・・・・・受光素子、１
８．３７・・・・・・発光窓、１９．３８・・・・・・
受光窓、２１．４０・・・・・・気体孔、２３，４２・
・・・・・気体管。Figure 1 is an external view of a conventional shielded photosensor, Figure 2 is a configuration diagram of the photosensor shown in Figure 1, Figure 3 is an external view of a conventional reflective photosensor, and Figure 4 is the photosensor shown in Figure 3. 5 is a diagram showing the first embodiment of the photosensor of this invention, a is a front view, b is a side view, and FIG. 6 is a diagram showing a second embodiment of this invention. , a is a front view, b is a side view, and FIGS. 7 and 8 are views showing third and fourth embodiments of this invention, each a is a plan view and each b is a front view. 11.31...Resin case, 14,33...
... Light emitting element, 15.34 ... Light receiving element, 1
8.37... Luminous window, 19.38...
Light receiving window, 21.40... Gas hole, 23,42.
...gas tube.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 発光素子と受光素子とを収容し、かつ発光窓と受光窓と
を備えるケースに、前記窓に向って気体を吹きつけるた
めの管路を設けたことを特徴とするフォトセンサ。A photosensor characterized in that a case that houses a light-emitting element and a light-receiving element and is provided with a light-emitting window and a light-receiving window is provided with a conduit for blowing gas toward the window.