JPS59114517U - Optical transmission receiver - 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) [Summary] 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図は従来における光伝送を利用した検出部の説明図
、第２図は、本考案の一実施例を示した説明図、第３図
は第２図における受光部を拡大して示した説明図である
。 ６．９・・・・・・光ファイバ、７・・・・・・投光部
、８・・・・・・受光部、１０・・・・・・受光回路部
、１２・・・・・・凸レンズ、１３・・・・・・凹レン
ズ、１４・・・・・・ロッドレンズ。Fig. 1 is an explanatory diagram of a conventional detection section using optical transmission, Fig. 2 is an explanatory diagram showing an embodiment of the present invention, and Fig. 3 is an enlarged view of the light receiving section in Fig. 2. It is an explanatory diagram. 6.9...Optical fiber, 7...Light emitter, 8...Light receiver, 10...Light receiver circuit, 12...・Convex lens, 13... Concave lens, 14... Rod lens.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 発光源からの光を投光する投光装置に対向して分離設置
され、該投光装置からの光を受光して長距離光伝送を行
なう光伝送受光装置において、前記投光装置からの光を
集光する凸レンズと、該凸レンズの焦点に焦点距離の等
しい凹レンズを同軸上に装着し、該凹レンズよりの平行
光を入射するロッドレンズを光ファイバの一端に止着し
、該光ファイバの他端には、受光した光を検出する受光
回路部を設けたことを特徴とする光伝送受光装置。In an optical transmission/receiving device that is installed separately facing a light projecting device that projects light from a light emitting source, and performs long-distance optical transmission by receiving light from the light projecting device, the light emitted from the light projecting device is A convex lens that condenses light, and a concave lens whose focal length is equal to the focal point of the convex lens are attached coaxially, a rod lens that inputs the parallel light from the concave lens is fixed to one end of the optical fiber, and the other end of the optical fiber is attached. An optical transmission light-receiving device characterized in that a light-receiving circuit section for detecting received light is provided at an end thereof.