JPS627283Y2 - - Google Patents

Info

Publication number
JPS627283Y2
JPS627283Y2 JP1981047902U JP4790281U JPS627283Y2 JP S627283 Y2 JPS627283 Y2 JP S627283Y2 JP 1981047902 U JP1981047902 U JP 1981047902U JP 4790281 U JP4790281 U JP 4790281U JP S627283 Y2 JPS627283 Y2 JP S627283Y2
Authority
JP
Japan
Prior art keywords
optotype
recording paper
brightness
hemispherical dome
cursor
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
JP1981047902U
Other languages
English (en)
Japanese (ja)
Other versions
JPS57160702U (enrdf_load_stackoverflow
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 JP1981047902U priority Critical patent/JPS627283Y2/ja
Publication of JPS57160702U publication Critical patent/JPS57160702U/ja
Application granted granted Critical
Publication of JPS627283Y2 publication Critical patent/JPS627283Y2/ja
Expired legal-status Critical Current

Links

JP1981047902U 1981-04-02 1981-04-02 Expired JPS627283Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1981047902U JPS627283Y2 (enrdf_load_stackoverflow) 1981-04-02 1981-04-02

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981047902U JPS627283Y2 (enrdf_load_stackoverflow) 1981-04-02 1981-04-02

Publications (2)

Publication Number Publication Date
JPS57160702U JPS57160702U (enrdf_load_stackoverflow) 1982-10-08
JPS627283Y2 true JPS627283Y2 (enrdf_load_stackoverflow) 1987-02-20

Family

ID=29844666

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981047902U Expired JPS627283Y2 (enrdf_load_stackoverflow) 1981-04-02 1981-04-02

Country Status (1)

Country Link
JP (1) JPS627283Y2 (enrdf_load_stackoverflow)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5039959B2 (enrdf_load_stackoverflow) * 1971-09-18 1975-12-20
JPS569445Y2 (enrdf_load_stackoverflow) * 1977-04-15 1981-03-03

Also Published As

Publication number Publication date
JPS57160702U (enrdf_load_stackoverflow) 1982-10-08

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