JPS5415654A - Fluorescent screen exposure prism - Google Patents

Fluorescent screen exposure prism

Info

Publication number
JPS5415654A
JPS5415654A JP7791077A JP7791077A JPS5415654A JP S5415654 A JPS5415654 A JP S5415654A JP 7791077 A JP7791077 A JP 7791077A JP 7791077 A JP7791077 A JP 7791077A JP S5415654 A JPS5415654 A JP S5415654A
Authority
JP
Japan
Prior art keywords
prism
fluorescent screen
screen exposure
exposure
2w40mm
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
JP7791077A
Other languages
Japanese (ja)
Inventor
Tatsuhiko Kamiyama
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP7791077A priority Critical patent/JPS5415654A/en
Publication of JPS5415654A publication Critical patent/JPS5415654A/en
Pending legal-status Critical Current

Links

Landscapes

  • Optical Elements Other Than Lenses (AREA)
  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)

Abstract

PURPOSE: To obtain a good-quality fluorescent screen with reduced manufacture cost by forming the prism as a whole with plural units of small blocks featuring 2W40mm side length and choosing the optimum space of the light sources to each part of the panel.
COPYRIGHT: (C)1979,JPO&Japio
JP7791077A 1977-07-01 1977-07-01 Fluorescent screen exposure prism Pending JPS5415654A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7791077A JPS5415654A (en) 1977-07-01 1977-07-01 Fluorescent screen exposure prism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7791077A JPS5415654A (en) 1977-07-01 1977-07-01 Fluorescent screen exposure prism

Publications (1)

Publication Number Publication Date
JPS5415654A true JPS5415654A (en) 1979-02-05

Family

ID=13647220

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7791077A Pending JPS5415654A (en) 1977-07-01 1977-07-01 Fluorescent screen exposure prism

Country Status (1)

Country Link
JP (1) JPS5415654A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5826154U (en) * 1981-08-14 1983-02-19 株式会社東芝 Exposure device for color picture tube fluorescent surface
JPS597326A (en) * 1982-07-05 1984-01-14 Nippon Kogaku Kk <Nikon> Luminous flux splitting filter of illumination light source device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4829752U (en) * 1971-08-13 1973-04-12
JPS5045566A (en) * 1973-08-24 1975-04-23

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4829752U (en) * 1971-08-13 1973-04-12
JPS5045566A (en) * 1973-08-24 1975-04-23

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5826154U (en) * 1981-08-14 1983-02-19 株式会社東芝 Exposure device for color picture tube fluorescent surface
JPS597326A (en) * 1982-07-05 1984-01-14 Nippon Kogaku Kk <Nikon> Luminous flux splitting filter of illumination light source device

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