Invention Grant
US07958643B1 Reticle 有权
标线

  • Patent Title: Reticle
  • Patent Title (中): 标线
  • Application No.: US12986090
    Application Date: 2011-01-06
  • Publication No.: US07958643B1
    Publication Date: 2011-06-14
  • Inventor: John Wu
  • Applicant: John Wu
  • Agent Clement Cheng
  • Main IPC: F41G1/00
  • IPC: F41G1/00
Reticle
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.
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