JPS57139927U - - Google Patents
Info
- Publication number
- JPS57139927U JPS57139927U JP2736281U JP2736281U JPS57139927U JP S57139927 U JPS57139927 U JP S57139927U JP 2736281 U JP2736281 U JP 2736281U JP 2736281 U JP2736281 U JP 2736281U JP S57139927 U JPS57139927 U JP S57139927U
- Authority
- JP
- Japan
- 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
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
- G02B5/0231—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having microprismatic or micropyramidal shape
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0273—Diffusing elements; Afocal elements characterized by the use
- G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B11/00—Filters or other obturators specially adapted for photographic purposes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Blocking Light For Cameras (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2736281U JPS57139927U (th) | 1981-02-27 | 1981-02-27 | |
GB8126624A GB2094018B (en) | 1981-02-27 | 1981-09-02 | Filter for cameras |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2736281U JPS57139927U (th) | 1981-02-27 | 1981-02-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57139927U true JPS57139927U (th) | 1982-09-01 |
Family
ID=12218933
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2736281U Pending JPS57139927U (th) | 1981-02-27 | 1981-02-27 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS57139927U (th) |
GB (1) | GB2094018B (th) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2154332A (en) * | 1984-01-24 | 1985-09-04 | Robert Kelvin Newton | Optical sight |
DE10343630B4 (de) * | 2003-09-20 | 2007-11-15 | Schott Ag | Streuscheibe |
WO2011052101A1 (ja) * | 2009-10-30 | 2011-05-05 | 富士通フロンテック株式会社 | プリズム板、撮像装置の照明光学系、及びプリズム板の成形型 |
FR3007534A1 (fr) * | 2013-06-20 | 2014-12-26 | St Microelectronics Crolles 2 | Realisation d'un filtre spectral nanostructure |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3458348A (en) * | 1966-05-31 | 1969-07-29 | Minnesota Mining & Mfg | Transparent coated optical element |
JPS49119646A (th) * | 1973-03-15 | 1974-11-15 | ||
JPS5528023A (en) * | 1978-08-18 | 1980-02-28 | Tokyo Megane:Kk | Production of covered lens |
JPS55151617A (en) * | 1979-05-10 | 1980-11-26 | American Optical Corp | Spectacle lense |
JPS55156030A (en) * | 1979-05-25 | 1980-12-04 | Tokyo Megane:Kk | Manufacture of coated lens |
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1981
- 1981-02-27 JP JP2736281U patent/JPS57139927U/ja active Pending
- 1981-09-02 GB GB8126624A patent/GB2094018B/en not_active Expired
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3458348A (en) * | 1966-05-31 | 1969-07-29 | Minnesota Mining & Mfg | Transparent coated optical element |
JPS49119646A (th) * | 1973-03-15 | 1974-11-15 | ||
JPS5528023A (en) * | 1978-08-18 | 1980-02-28 | Tokyo Megane:Kk | Production of covered lens |
JPS55151617A (en) * | 1979-05-10 | 1980-11-26 | American Optical Corp | Spectacle lense |
JPS55156030A (en) * | 1979-05-25 | 1980-12-04 | Tokyo Megane:Kk | Manufacture of coated lens |
Also Published As
Publication number | Publication date |
---|---|
GB2094018A (en) | 1982-09-08 |
GB2094018B (en) | 1984-12-05 |