JPS6120621Y2 - - Google Patents

Info

Publication number
JPS6120621Y2
JPS6120621Y2 JP1977055322U JP5532277U JPS6120621Y2 JP S6120621 Y2 JPS6120621 Y2 JP S6120621Y2 JP 1977055322 U JP1977055322 U JP 1977055322U JP 5532277 U JP5532277 U JP 5532277U JP S6120621 Y2 JPS6120621 Y2 JP S6120621Y2
Authority
JP
Japan
Prior art keywords
transparent substrate
light source
light
display
back surface
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
JP1977055322U
Other languages
English (en)
Japanese (ja)
Other versions
JPS53149588U (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 JP1977055322U priority Critical patent/JPS6120621Y2/ja
Publication of JPS53149588U publication Critical patent/JPS53149588U/ja
Application granted granted Critical
Publication of JPS6120621Y2 publication Critical patent/JPS6120621Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Optical Elements Other Than Lenses (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
JP1977055322U 1977-04-30 1977-04-30 Expired JPS6120621Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1977055322U JPS6120621Y2 (en]) 1977-04-30 1977-04-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1977055322U JPS6120621Y2 (en]) 1977-04-30 1977-04-30

Publications (2)

Publication Number Publication Date
JPS53149588U JPS53149588U (en]) 1978-11-25
JPS6120621Y2 true JPS6120621Y2 (en]) 1986-06-20

Family

ID=28951013

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1977055322U Expired JPS6120621Y2 (en]) 1977-04-30 1977-04-30

Country Status (1)

Country Link
JP (1) JPS6120621Y2 (en])

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS444809Y1 (en]) * 1966-11-18 1969-02-21

Also Published As

Publication number Publication date
JPS53149588U (en]) 1978-11-25

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