JPH0423257Y2 - - Google Patents

Info

Publication number
JPH0423257Y2
JPH0423257Y2 JP12430987U JP12430987U JPH0423257Y2 JP H0423257 Y2 JPH0423257 Y2 JP H0423257Y2 JP 12430987 U JP12430987 U JP 12430987U JP 12430987 U JP12430987 U JP 12430987U JP H0423257 Y2 JPH0423257 Y2 JP H0423257Y2
Authority
JP
Japan
Prior art keywords
fresnel lens
cathode ray
ray tube
optical axis
lens
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
JP12430987U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6430586U (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 JP12430987U priority Critical patent/JPH0423257Y2/ja
Publication of JPS6430586U publication Critical patent/JPS6430586U/ja
Application granted granted Critical
Publication of JPH0423257Y2 publication Critical patent/JPH0423257Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Electrodes For Cathode-Ray Tubes (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
JP12430987U 1987-08-14 1987-08-14 Expired JPH0423257Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12430987U JPH0423257Y2 (en]) 1987-08-14 1987-08-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12430987U JPH0423257Y2 (en]) 1987-08-14 1987-08-14

Publications (2)

Publication Number Publication Date
JPS6430586U JPS6430586U (en]) 1989-02-23
JPH0423257Y2 true JPH0423257Y2 (en]) 1992-05-29

Family

ID=31373929

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12430987U Expired JPH0423257Y2 (en]) 1987-08-14 1987-08-14

Country Status (1)

Country Link
JP (1) JPH0423257Y2 (en])

Also Published As

Publication number Publication date
JPS6430586U (en]) 1989-02-23

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