JPS5714875A - Optical display unit accelerating in contrast effect - Google Patents

Optical display unit accelerating in contrast effect

Info

Publication number
JPS5714875A
JPS5714875A JP8502580A JP8502580A JPS5714875A JP S5714875 A JPS5714875 A JP S5714875A JP 8502580 A JP8502580 A JP 8502580A JP 8502580 A JP8502580 A JP 8502580A JP S5714875 A JPS5714875 A JP S5714875A
Authority
JP
Japan
Prior art keywords
display unit
optical display
contrast effect
unit accelerating
accelerating
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.)
Pending
Application number
JP8502580A
Other languages
Japanese (ja)
Inventor
Hetsukaa Giyuura
Kenezu Eruno
Niyaari Rasuzuro
Patsuta Yanosu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
VILLAMOS BERENDEZES ES KESZULE
Original Assignee
VILLAMOS BERENDEZES ES KESZULE
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 by VILLAMOS BERENDEZES ES KESZULE filed Critical VILLAMOS BERENDEZES ES KESZULE
Priority to JP8502580A priority Critical patent/JPS5714875A/en
Publication of JPS5714875A publication Critical patent/JPS5714875A/en
Pending legal-status Critical Current

Links

Landscapes

  • Illuminated Signs And Luminous Advertising (AREA)
  • Traffic Control Systems (AREA)
JP8502580A 1980-06-23 1980-06-23 Optical display unit accelerating in contrast effect Pending JPS5714875A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8502580A JPS5714875A (en) 1980-06-23 1980-06-23 Optical display unit accelerating in contrast effect

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8502580A JPS5714875A (en) 1980-06-23 1980-06-23 Optical display unit accelerating in contrast effect

Publications (1)

Publication Number Publication Date
JPS5714875A true JPS5714875A (en) 1982-01-26

Family

ID=13847177

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8502580A Pending JPS5714875A (en) 1980-06-23 1980-06-23 Optical display unit accelerating in contrast effect

Country Status (1)

Country Link
JP (1) JPS5714875A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994001848A1 (en) * 1992-07-02 1994-01-20 Singoh Denzai Kabushiki Kaisha Device for preventing pseudo lighting phenomenon of signal lamp
US6245472B1 (en) 1997-09-12 2001-06-12 Canon Kabushiki Kaisha Phthalocyanine compounds, process for production thereof and electrophotographic photosensitive member using the compounds

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994001848A1 (en) * 1992-07-02 1994-01-20 Singoh Denzai Kabushiki Kaisha Device for preventing pseudo lighting phenomenon of signal lamp
US6245472B1 (en) 1997-09-12 2001-06-12 Canon Kabushiki Kaisha Phthalocyanine compounds, process for production thereof and electrophotographic photosensitive member using the compounds

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