NL255766A - - Google Patents
Info
- Publication number
- NL255766A NL255766A NL255766A NL255766A NL255766A NL 255766 A NL255766 A NL 255766A NL 255766 A NL255766 A NL 255766A NL 255766 A NL255766 A NL 255766A NL 255766 A NL255766 A NL 255766A
- Authority
- NL
- Netherlands
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
- G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
- G02B27/4233—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive element [DOE] contributing to a non-imaging application
- G02B27/4238—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive element [DOE] contributing to a non-imaging application in optical recording or readout devices
-
- 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
- G02B27/026—Viewing apparatus comprising a light source, e.g. for viewing photographic slides, X-ray transparancies and a display device, e.g. CRT, LCD, for adding markings or signs or to enhance the contrast of the viewed object
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/72—Modifying the appearance of television pictures by optical filters or diffusing screens
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Holo Graphy (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3082759A GB886439A (en) | 1959-09-09 | 1959-09-09 | Improvements in or relating to apparatus for reproduction or visible presentation ofspatially discontinuous real images |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL255766A true NL255766A (https=) | 1964-03-25 |
Family
ID=10313750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL255766A NL255766A (https=) | 1959-09-09 | 1960-09-09 |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB886439A (https=) |
| NL (1) | NL255766A (https=) |
-
1959
- 1959-09-09 GB GB3082759A patent/GB886439A/en not_active Expired
-
1960
- 1960-09-09 NL NL255766A patent/NL255766A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB886439A (en) | 1962-01-10 |