JPS5351755A - Preparing apparatus for speckle diffusion plate - Google Patents

Preparing apparatus for speckle diffusion plate

Info

Publication number
JPS5351755A
JPS5351755A JP12652076A JP12652076A JPS5351755A JP S5351755 A JPS5351755 A JP S5351755A JP 12652076 A JP12652076 A JP 12652076A JP 12652076 A JP12652076 A JP 12652076A JP S5351755 A JPS5351755 A JP S5351755A
Authority
JP
Japan
Prior art keywords
diffusion plate
preparing apparatus
speckle
speckle diffusion
plate
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.)
Granted
Application number
JP12652076A
Other languages
Japanese (ja)
Other versions
JPS63761B2 (en
Inventor
Takashi Suzuki
Kiyoshi Iizuka
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP12652076A priority Critical patent/JPS5351755A/en
Publication of JPS5351755A publication Critical patent/JPS5351755A/en
Publication of JPS63761B2 publication Critical patent/JPS63761B2/ja
Granted legal-status Critical Current

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Landscapes

  • Viewfinders (AREA)
  • Optical Elements Other Than Lenses (AREA)

Abstract

PURPOSE: To obtain a Speckle diffusion plate of regular size by arranging a shielding plate of preset shape in a coherent bundle of light of illuminate a first diffusion plate.
COPYRIGHT: (C)1978,JPO&Japio
JP12652076A 1976-10-21 1976-10-21 Preparing apparatus for speckle diffusion plate Granted JPS5351755A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12652076A JPS5351755A (en) 1976-10-21 1976-10-21 Preparing apparatus for speckle diffusion plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12652076A JPS5351755A (en) 1976-10-21 1976-10-21 Preparing apparatus for speckle diffusion plate

Related Child Applications (2)

Application Number Title Priority Date Filing Date
JP19775183A Division JPS59131902A (en) 1983-10-21 1983-10-21 Forming method of speckle diffusion plate
JP15301487A Division JPH0228845B2 (en) 1987-06-19 1987-06-19 SUPETSUKURUKAKUSANBANSAKUSEISOCHI

Publications (2)

Publication Number Publication Date
JPS5351755A true JPS5351755A (en) 1978-05-11
JPS63761B2 JPS63761B2 (en) 1988-01-08

Family

ID=14937230

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12652076A Granted JPS5351755A (en) 1976-10-21 1976-10-21 Preparing apparatus for speckle diffusion plate

Country Status (1)

Country Link
JP (1) JPS5351755A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5580478U (en) * 1978-11-30 1980-06-03
JPS5589806A (en) * 1978-12-27 1980-07-07 Canon Inc Optical making method of diffusion plate
DE2952607A1 (en) * 1978-12-29 1980-07-10 Canon Kk METHOD FOR PRODUCING A PART WITH AN ARRANGEMENT OF MICROSTRUCTURAL ELEMENTS ON THE SAME
DE2951207A1 (en) * 1978-12-26 1980-07-10 Canon Kk METHOD FOR THE OPTICAL PRODUCTION OF A SPREADING PLATE
JPS5713474A (en) * 1980-06-27 1982-01-23 Canon Inc Interferometer
JPS59131902A (en) * 1983-10-21 1984-07-28 Canon Inc Forming method of speckle diffusion plate
US5609939A (en) * 1993-07-27 1997-03-11 Physical Optics Corporation Viewing screen formed using coherent light
KR100784211B1 (en) 2006-02-09 2007-12-10 옥은호 A transparency projector screen sheet with white crystallization and the making method therefore
US7480097B2 (en) 2004-08-04 2009-01-20 Sony Corporation Light diffusion sheet and method of producing the light diffusion sheet, and screen
US7990618B2 (en) 2004-09-01 2011-08-02 Sony Corporation Light-diffusing film and screen including the same

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5580478U (en) * 1978-11-30 1980-06-03
JPS5921263Y2 (en) * 1978-11-30 1984-06-22 アルナ工機株式会社 Right angle connection device for edges of doors etc.
DE2951207A1 (en) * 1978-12-26 1980-07-10 Canon Kk METHOD FOR THE OPTICAL PRODUCTION OF A SPREADING PLATE
JPS5589806A (en) * 1978-12-27 1980-07-07 Canon Inc Optical making method of diffusion plate
DE2952607A1 (en) * 1978-12-29 1980-07-10 Canon Kk METHOD FOR PRODUCING A PART WITH AN ARRANGEMENT OF MICROSTRUCTURAL ELEMENTS ON THE SAME
JPS5713474A (en) * 1980-06-27 1982-01-23 Canon Inc Interferometer
JPS6255643B2 (en) * 1980-06-27 1987-11-20 Canon Kk
JPS59131902A (en) * 1983-10-21 1984-07-28 Canon Inc Forming method of speckle diffusion plate
US5609939A (en) * 1993-07-27 1997-03-11 Physical Optics Corporation Viewing screen formed using coherent light
US7480097B2 (en) 2004-08-04 2009-01-20 Sony Corporation Light diffusion sheet and method of producing the light diffusion sheet, and screen
US7990618B2 (en) 2004-09-01 2011-08-02 Sony Corporation Light-diffusing film and screen including the same
KR100784211B1 (en) 2006-02-09 2007-12-10 옥은호 A transparency projector screen sheet with white crystallization and the making method therefore

Also Published As

Publication number Publication date
JPS63761B2 (en) 1988-01-08

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