JPS6448619U - - Google Patents

Info

Publication number
JPS6448619U
JPS6448619U JP14310287U JP14310287U JPS6448619U JP S6448619 U JPS6448619 U JP S6448619U JP 14310287 U JP14310287 U JP 14310287U JP 14310287 U JP14310287 U JP 14310287U JP S6448619 U JPS6448619 U JP S6448619U
Authority
JP
Japan
Prior art keywords
central axis
hole
rotating body
light emitting
emitting element
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
JP14310287U
Other languages
English (en)
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 filed Critical
Priority to JP14310287U priority Critical patent/JPS6448619U/ja
Publication of JPS6448619U publication Critical patent/JPS6448619U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
第1図はこの考案の一実施例を示す図、第2図
は従来の回転数検出計を示す略斜視図。 3……LED、4……フオト・トランジスタ、
5……円筒状回転体、6……貫通孔。なお、図中
同一符号は同一または相当部分を示す。

Claims (1)

    【実用新案登録請求の範囲】
  1. 測定対象の回転体の回転軸にその中心軸が連結
    される円筒状回転体、この円筒状回転体内で上記
    中心軸上の一点を含み中心軸に直角な方向に設け
    られる貫通孔、この貫通孔の一端が上記中心軸の
    回りに回転して形成する軌跡上の一点に対向する
    位置に固定される発光素子、この発光素子に上記
    貫通孔の上記一端が対向する時点において当該貫
    通孔の他端に対向する位置に固定される受光素子
    を備えたことを特徴とする回転数検出計。
JP14310287U 1987-09-21 1987-09-21 Pending JPS6448619U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14310287U JPS6448619U (ja) 1987-09-21 1987-09-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14310287U JPS6448619U (ja) 1987-09-21 1987-09-21

Publications (1)

Publication Number Publication Date
JPS6448619U true JPS6448619U (ja) 1989-03-27

Family

ID=31409622

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14310287U Pending JPS6448619U (ja) 1987-09-21 1987-09-21

Country Status (1)

Country Link
JP (1) JPS6448619U (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02138074U (ja) * 1989-04-21 1990-11-19
US7550050B2 (en) 2002-12-23 2009-06-23 Sandvik Intellectual Property Ab Method and apparatus for cooling strip and wire material

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6140613B2 (ja) * 1982-04-05 1986-09-10 Shirai Tetsukosho Kk

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6140613B2 (ja) * 1982-04-05 1986-09-10 Shirai Tetsukosho Kk

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02138074U (ja) * 1989-04-21 1990-11-19
US7550050B2 (en) 2002-12-23 2009-06-23 Sandvik Intellectual Property Ab Method and apparatus for cooling strip and wire material

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