JPS5346130U - - Google Patents
Info
- Publication number
- JPS5346130U JPS5346130U JP1977093267U JP9326777U JPS5346130U JP S5346130 U JPS5346130 U JP S5346130U JP 1977093267 U JP1977093267 U JP 1977093267U JP 9326777 U JP9326777 U JP 9326777U JP S5346130 U JPS5346130 U JP S5346130U
- 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
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/02—Viewing or reading apparatus
- G02B27/022—Viewing apparatus
- G02B27/024—Viewing apparatus comprising a light source, e.g. for viewing photographic slides, X-ray transparancies
- G02B27/025—Viewing apparatus comprising a light source, e.g. for viewing photographic slides, X-ray transparancies and magnifying means
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/34—Stereoscopes providing a stereoscopic pair of separated images corresponding to parallactically displaced views of the same object, e.g. three-dimensional [3D] slide viewers
- G02B30/35—Stereoscopes providing a stereoscopic pair of separated images corresponding to parallactically displaced views of the same object, e.g. three-dimensional [3D] slide viewers using reflective optical elements in the optical path between the images and the observer
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Microscoopes, Condenser (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/705,069 US4033683A (en) | 1976-07-14 | 1976-07-14 | Image viewing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5346130U true JPS5346130U (2) | 1978-04-19 |
Family
ID=24831909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1977093267U Pending JPS5346130U (2) | 1976-07-14 | 1977-07-13 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4033683A (2) |
| JP (1) | JPS5346130U (2) |
| CA (1) | CA1090178A (2) |
| GB (1) | GB1582345A (2) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4168106A (en) * | 1977-12-05 | 1979-09-18 | Vision Engineering Limited | Pupil enlargement component for an optical device |
| DE3224227C1 (de) * | 1982-06-29 | 1983-12-15 | C. Reichert Optische Werke AG, 1170 Wien | Projektionseinrichtung fuer Mikroskope |
| GB2123972B (en) * | 1982-07-08 | 1985-10-09 | Purdy Machinery Company Limite | Can seam projector |
| US5966673A (en) | 1997-01-10 | 1999-10-12 | Diamond Technologies, Inc. | System and method for computerized evaluation of gemstones |
| US6473164B1 (en) | 2000-02-16 | 2002-10-29 | Gemological Institute Of America, Inc. | Systems, apparatuses and methods for diamond color measurement and analysis |
| JP2001281588A (ja) * | 2000-03-31 | 2001-10-10 | Fuji Photo Optical Co Ltd | 平行平面板の出射位置調整構造 |
| US7260544B1 (en) * | 2000-10-12 | 2007-08-21 | Gemological Institute Of America, Inc. | System and methods for evaluating the appearance of a gemstone |
| US6791739B2 (en) | 2001-08-08 | 2004-09-14 | Eastman Kodak Company | Electro-optic despeckling modulator and method of use |
| US6769773B1 (en) * | 2003-05-20 | 2004-08-03 | Jiahn-Chang Wu | Projector with UV light source |
| US7660037B2 (en) * | 2006-06-06 | 2010-02-09 | Seiko Epson Corporation | Screen, projector, and image display device |
| US9262284B2 (en) * | 2006-12-07 | 2016-02-16 | Lenovo Enterprise Solutions (Singapore) Pte. Ltd. | Single channel memory mirror |
| JP4953910B2 (ja) * | 2007-05-08 | 2012-06-13 | 富士フイルム株式会社 | レンズ位置決め治具、及びレンズ鏡筒取付方法 |
| CN107438787B (zh) * | 2016-03-31 | 2020-04-14 | 深圳市柔宇科技有限公司 | 头戴式显示设备 |
| CN110658622A (zh) * | 2019-08-19 | 2020-01-07 | 深圳市矽赫科技有限公司 | 一种自动调节的微显示器光学目镜及其调整方法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4830440A (2) * | 1971-08-19 | 1973-04-21 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1864946A (en) * | 1928-04-18 | 1932-06-28 | Schrago Samuel | Movable projection screen |
| US2525596A (en) * | 1949-01-21 | 1950-10-10 | Jones & Lamson Mach Co | Optical projection screen |
| US2780136A (en) * | 1952-03-10 | 1957-02-05 | Richard T Erban | Kinoptic devices |
| US2974564A (en) * | 1956-07-23 | 1961-03-14 | Wendell S Miller | Projection systems |
| US3365524A (en) * | 1966-04-14 | 1968-01-23 | Fma Inc | Method for making and testing a mold for a backlit projection screen |
| US3781102A (en) * | 1971-03-19 | 1973-12-25 | Eastman Kodak Co | Modular structure for viewing apparatus |
| US3796484A (en) * | 1971-08-20 | 1974-03-12 | Holograph Corp | Optical communication system providing selective image presentations |
| DE2315658C3 (de) * | 1973-03-29 | 1980-11-20 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Verfahren und Vorrichtung zur Verminderung oder Beseitigung der bei Laserstrahlprojektionen auftretenden Granulation |
-
1976
- 1976-07-14 US US05/705,069 patent/US4033683A/en not_active Expired - Lifetime
-
1977
- 1977-06-29 GB GB27244/77A patent/GB1582345A/en not_active Expired
- 1977-07-11 CA CA282,393A patent/CA1090178A/en not_active Expired
- 1977-07-13 JP JP1977093267U patent/JPS5346130U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4830440A (2) * | 1971-08-19 | 1973-04-21 |
Also Published As
| Publication number | Publication date |
|---|---|
| US4033683A (en) | 1977-07-05 |
| CA1090178A (en) | 1980-11-25 |
| GB1582345A (en) | 1981-01-07 |