JPS58153352U - night reflectance meter - Google Patents

night reflectance meter

Info

Publication number
JPS58153352U
JPS58153352U JP1982045658U JP4565882U JPS58153352U JP S58153352 U JPS58153352 U JP S58153352U JP 1982045658 U JP1982045658 U JP 1982045658U JP 4565882 U JP4565882 U JP 4565882U JP S58153352 U JPS58153352 U JP S58153352U
Authority
JP
Japan
Prior art keywords
night
light receiving
reflectance meter
light
reflectance
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP1982045658U
Other languages
Japanese (ja)
Inventor
津田　弘徳
吉沢　永幸
徳田　光男
正洋 後藤
須賀　「あ」
Original Assignee
建設省関東地方建設局長
スガ試験機株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 建設省関東地方建設局長, スガ試験機株式会社 filed Critical 建設省関東地方建設局長
Priority to JP1982045658U priority Critical patent/JPS58153352U/en
Publication of JPS58153352U publication Critical patent/JPS58153352U/en
Pending legal-status Critical Current

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  • Investigating Or Analysing Materials By Optical Means (AREA)

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図は測定原理図、第２図は投光、受光関係説明図、
第３図は本考案に係る受光装置図、第４゜５図は本考案
に係る夜光反射率計である。 １・・・投光口、２・・・受光口、３・・・受光器の有
効受光面、４・・・小円、５・・・受光器外形、６・・
・出口、７・・・光ファイバー、８・・・光源、９・・
・夜光反射率計の底面、１０・・・測定位置中心、１１
・・・受光装置、１２・・・受光器、１３・・・表示部
。Figure 1 is a diagram of the measurement principle, Figure 2 is an explanatory diagram of light emission and light reception,
FIG. 3 is a diagram of a light receiving device according to the present invention, and FIGS. 4-5 are a diagram of a night light reflectance meter according to the present invention. DESCRIPTION OF SYMBOLS 1...Light emission aperture, 2...Light receiving aperture, 3...Effective light-receiving surface of light receiver, 4...Small circle, 5...Outer shape of light receiver, 6...
・Exit, 7...Optical fiber, 8...Light source, 9...
・Bottom of night light reflectance meter, 10... Center of measurement position, 11
... Light receiving device, 12... Light receiver, 13... Display unit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 光フアイバー束によって成り、スリット状長方形の受光
口とこれと等しい有効面積を有する受光面の形状大きさ
に合わせた出口とを具え、かつ投射光路を遮らないよう
に屈曲せしめた受光装置を設けたことを特徴とする夜光
反射率計。A light receiving device is provided, which is made up of a bundle of optical fibers, has a slit-like rectangular light receiving opening, an exit having an equal effective area and matching the shape and size of the light receiving surface, and is bent so as not to block the projection optical path. A nocturnal reflectance meter characterized by:
JP1982045658U 1982-04-01 1982-04-01 night reflectance meter Pending JPS58153352U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1982045658U JPS58153352U (en) 1982-04-01 1982-04-01 night reflectance meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1982045658U JPS58153352U (en) 1982-04-01 1982-04-01 night reflectance meter

Publications (1)

Publication Number Publication Date
JPS58153352U true JPS58153352U (en) 1983-10-13

Family

ID=30056671

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1982045658U Pending JPS58153352U (en) 1982-04-01 1982-04-01 night reflectance meter

Country Status (1)

Country Link
JP (1) JPS58153352U (en)

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