JPS52111726A - Projecting screen - Google Patents

Projecting screen

Info

Publication number
JPS52111726A
JPS52111726A JP2871076A JP2871076A JPS52111726A JP S52111726 A JPS52111726 A JP S52111726A JP 2871076 A JP2871076 A JP 2871076A JP 2871076 A JP2871076 A JP 2871076A JP S52111726 A JPS52111726 A JP S52111726A
Authority
JP
Japan
Prior art keywords
projecting screen
projecting
screen
constructing
uniform
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
JP2871076A
Other languages
Japanese (ja)
Inventor
Tadashi Sukegawa
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP2871076A priority Critical patent/JPS52111726A/en
Publication of JPS52111726A publication Critical patent/JPS52111726A/en
Pending legal-status Critical Current

Links

Landscapes

  • Overhead Projectors And Projection Screens (AREA)

Abstract

PURPOSE: To obtain an image having a uniform and high brightness by constructing a flat reflecting surface of Fresnel type.
COPYRIGHT: (C)1977,JPO&Japio
JP2871076A 1976-03-16 1976-03-16 Projecting screen Pending JPS52111726A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2871076A JPS52111726A (en) 1976-03-16 1976-03-16 Projecting screen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2871076A JPS52111726A (en) 1976-03-16 1976-03-16 Projecting screen

Publications (1)

Publication Number Publication Date
JPS52111726A true JPS52111726A (en) 1977-09-19

Family

ID=12256002

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2871076A Pending JPS52111726A (en) 1976-03-16 1976-03-16 Projecting screen

Country Status (1)

Country Link
JP (1) JPS52111726A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55144337U (en) * 1979-04-04 1980-10-16

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55144337U (en) * 1979-04-04 1980-10-16

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