JPS50140089A - - Google Patents

Info

Publication number
JPS50140089A
JPS50140089A JP49046690A JP4669074A JPS50140089A JP S50140089 A JPS50140089 A JP S50140089A JP 49046690 A JP49046690 A JP 49046690A JP 4669074 A JP4669074 A JP 4669074A JP S50140089 A JPS50140089 A JP S50140089A
Authority
JP
Japan
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
JP49046690A
Other languages
Japanese (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 JP49046690A priority Critical patent/JPS50140089A/ja
Priority to DE19742448637 priority patent/DE2448637A1/en
Priority to FR7434327A priority patent/FR2247779A1/en
Publication of JPS50140089A publication Critical patent/JPS50140089A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Illuminated Signs And Luminous Advertising (AREA)
JP49046690A 1973-10-12 1974-04-26 Pending JPS50140089A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP49046690A JPS50140089A (en) 1974-04-26 1974-04-26
DE19742448637 DE2448637A1 (en) 1973-10-12 1974-10-11 ELECTROLUMINESCENT DISPLAY BOARD
FR7434327A FR2247779A1 (en) 1973-10-12 1974-10-11 Electroluminescent display panel - has two conducting layers, one of transparent resin base and metal film or foil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49046690A JPS50140089A (en) 1974-04-26 1974-04-26

Publications (1)

Publication Number Publication Date
JPS50140089A true JPS50140089A (en) 1975-11-10

Family

ID=12754364

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49046690A Pending JPS50140089A (en) 1973-10-12 1974-04-26

Country Status (1)

Country Link
JP (1) JPS50140089A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5723578U (en) * 1980-07-10 1982-02-06
JPH0819518A (en) * 1994-07-06 1996-01-23 Nidek Co Ltd Examination of visual acuity

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4911787A (en) * 1972-05-16 1974-02-01

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4911787A (en) * 1972-05-16 1974-02-01

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5723578U (en) * 1980-07-10 1982-02-06
JPH0819518A (en) * 1994-07-06 1996-01-23 Nidek Co Ltd Examination of visual acuity

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