JPS5342726A - Camera finder - Google Patents
Camera finderInfo
- Publication number
- JPS5342726A JPS5342726A JP11687976A JP11687976A JPS5342726A JP S5342726 A JPS5342726 A JP S5342726A JP 11687976 A JP11687976 A JP 11687976A JP 11687976 A JP11687976 A JP 11687976A JP S5342726 A JPS5342726 A JP S5342726A
- Authority
- JP
- Japan
- Prior art keywords
- finder
- camera finder
- diffusion plate
- light
- diffusion
- 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
Links
Landscapes
- Viewfinders (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
PURPOSE: To easily enhance and stabilize the efficiency of a finder by optically recording a speckle pattern formed by light a diffusion member resulting from illuminating a diffusion plate for a diffusion plate for the finder by a coherent light in order to obtain the above record.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11687976A JPS5342726A (en) | 1976-09-29 | 1976-09-29 | Camera finder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11687976A JPS5342726A (en) | 1976-09-29 | 1976-09-29 | Camera finder |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5342726A true JPS5342726A (en) | 1978-04-18 |
JPS6318174B2 JPS6318174B2 (en) | 1988-04-18 |
Family
ID=14697888
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11687976A Granted JPS5342726A (en) | 1976-09-29 | 1976-09-29 | Camera finder |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5342726A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
JPS5860642A (en) * | 1981-10-01 | 1983-04-11 | Nippon Kogaku Kk <Nikon> | Preparation of focusing glass |
EP0714348A1 (en) * | 1993-07-27 | 1996-06-05 | Physical Optics Corporation | Light source destructuring and shaping device |
US5609939A (en) * | 1993-07-27 | 1997-03-11 | Physical Optics Corporation | Viewing screen formed using coherent light |
WO2005078483A1 (en) * | 2004-02-18 | 2005-08-25 | Zeon Corporation | Optical member, its manufacturing method, and display |
-
1976
- 1976-09-29 JP JP11687976A patent/JPS5342726A/en active Granted
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2951207A1 (en) * | 1978-12-26 | 1980-07-10 | Canon Kk | METHOD FOR THE OPTICAL PRODUCTION OF A SPREADING PLATE |
US4336978A (en) * | 1978-12-26 | 1982-06-29 | Canon Kabushiki Kaisha | Method for optically making a 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 |
JPS5860642A (en) * | 1981-10-01 | 1983-04-11 | Nippon Kogaku Kk <Nikon> | Preparation of focusing glass |
EP0714348A1 (en) * | 1993-07-27 | 1996-06-05 | Physical Optics Corporation | Light source destructuring and shaping device |
US5534386A (en) * | 1993-07-27 | 1996-07-09 | Physical Optics Corporation | Homogenizer formed using coherent light and a holographic diffuser |
US5609939A (en) * | 1993-07-27 | 1997-03-11 | Physical Optics Corporation | Viewing screen formed using coherent light |
EP0714348A4 (en) * | 1993-07-27 | 1998-05-06 | Physical Optics Corp | Light source destructuring and shaping device |
US5956106A (en) * | 1993-07-27 | 1999-09-21 | Physical Optics Corporation | Illuminated display with light source destructuring and shaping device |
WO2005078483A1 (en) * | 2004-02-18 | 2005-08-25 | Zeon Corporation | Optical member, its manufacturing method, and display |
Also Published As
Publication number | Publication date |
---|---|
JPS6318174B2 (en) | 1988-04-18 |
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