JPH055748Y2 - - Google Patents

Info

Publication number
JPH055748Y2
JPH055748Y2 JP1984158375U JP15837584U JPH055748Y2 JP H055748 Y2 JPH055748 Y2 JP H055748Y2 JP 1984158375 U JP1984158375 U JP 1984158375U JP 15837584 U JP15837584 U JP 15837584U JP H055748 Y2 JPH055748 Y2 JP H055748Y2
Authority
JP
Japan
Prior art keywords
screen
projection
fresnel lens
focal length
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 - Lifetime
Application number
JP1984158375U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6175677U (pm
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 JP1984158375U priority Critical patent/JPH055748Y2/ja
Publication of JPS6175677U publication Critical patent/JPS6175677U/ja
Application granted granted Critical
Publication of JPH055748Y2 publication Critical patent/JPH055748Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Overhead Projectors And Projection Screens (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
JP1984158375U 1984-10-22 1984-10-22 Expired - Lifetime JPH055748Y2 (pm)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984158375U JPH055748Y2 (pm) 1984-10-22 1984-10-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984158375U JPH055748Y2 (pm) 1984-10-22 1984-10-22

Publications (2)

Publication Number Publication Date
JPS6175677U JPS6175677U (pm) 1986-05-21
JPH055748Y2 true JPH055748Y2 (pm) 1993-02-15

Family

ID=30716356

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984158375U Expired - Lifetime JPH055748Y2 (pm) 1984-10-22 1984-10-22

Country Status (1)

Country Link
JP (1) JPH055748Y2 (pm)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0627922B2 (ja) * 1990-04-20 1994-04-13 パイオニア株式会社 リアプロジェクションテレビ

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0128500Y2 (pm) * 1979-11-08 1989-08-30

Also Published As

Publication number Publication date
JPS6175677U (pm) 1986-05-21

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