JPH025429Y2 - - Google Patents

Info

Publication number
JPH025429Y2
JPH025429Y2 JP9564183U JP9564183U JPH025429Y2 JP H025429 Y2 JPH025429 Y2 JP H025429Y2 JP 9564183 U JP9564183 U JP 9564183U JP 9564183 U JP9564183 U JP 9564183U JP H025429 Y2 JPH025429 Y2 JP H025429Y2
Authority
JP
Japan
Prior art keywords
eraser
light beam
length
pen
objects
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.)
Expired
Application number
JP9564183U
Other languages
English (en)
Japanese (ja)
Other versions
JPS603408U (ja
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 JP9564183U priority Critical patent/JPS603408U/ja
Publication of JPS603408U publication Critical patent/JPS603408U/ja
Application granted granted Critical
Publication of JPH025429Y2 publication Critical patent/JPH025429Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices By Optical Means (AREA)
  • Drawing Aids And Blackboards (AREA)
JP9564183U 1983-06-21 1983-06-21 物体検出装置 Granted JPS603408U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9564183U JPS603408U (ja) 1983-06-21 1983-06-21 物体検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9564183U JPS603408U (ja) 1983-06-21 1983-06-21 物体検出装置

Publications (2)

Publication Number Publication Date
JPS603408U JPS603408U (ja) 1985-01-11
JPH025429Y2 true JPH025429Y2 (OSRAM) 1990-02-08

Family

ID=30228310

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9564183U Granted JPS603408U (ja) 1983-06-21 1983-06-21 物体検出装置

Country Status (1)

Country Link
JP (1) JPS603408U (OSRAM)

Also Published As

Publication number Publication date
JPS603408U (ja) 1985-01-11

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