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Optical instrument employing reticle having preselected visual response pattern formed thereon
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Copyright Year | 1977 |
| Description | An optical instrument for use in locating indicator lights or the like on a work surface is described. It comprises a tubular housing, a lens mounted within the housing and including an inner surface coated with a dichroic material that is capable of reflecting a portion of the light incident thereon, a plate mounted within the housing opposite the lens and having a central aperture, a transparent substrate disposed within the housing intermediate the lens and the plate, the substrate including a first surface disposed in a facing relationship to the dichroic material, and a reticle formed on the first surface and comprised of a material capable of reflecting light. |
| File Size | 718298 |
| Page Count | 8 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_19770016006 |
| Archival Resource Key | ark:/13960/t5hb3xb1j |
| Language | English |
| Publisher Date | 1977-04-19 |
| Access Restriction | Open |
| Subject Keyword | Optics Light Transmission Dichroism Optical Equipment Measuring Instruments Lenses Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Patent |
