Reticle
US7958643B1 · kind B1 · utility
Inventor
Key dates
| Filing date | Jan 6, 2011 |
| Grant date | Jun 14, 2011 |
| Priority date | — |
| Expiry date | Jan 6, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B23/14
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A reticle comprises a horizontal section having horizontal section horizontal lines broken by horizontal section gaps between the horizontal section horizontal lines. A vertical section has vertical section vertical lines broken by vertical section gaps between the vertical section vertical lines. The horizontal section intersects the vertical section at a midpoint. A wide measurement ranging system includes range indicators including a highest range indicator, a plurality of intermediate range indicators, and a lowest range indicator. A height measurement ranging system has range indicators which include height measurement horizontal lines and which include a height measurement lowest range indicator closest to the vertical section, height measurement intermediate range indicators, and a height measurement highest range indicator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.