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US 2006/0133254 A1Published application
Auto level with a laser
OwnerKaneda Toshiakiinventor
Life of this patent
Estimating the term…
Abstract
The auto level with a laser radiates laser light along an optical axis of a visible optical system and comprises of a visible optical system with an automatic horizontal compensation mechanism prism mirror and a beam splitter disposed between an objective lens and an eyepiece. The auto level with a laser is capable of measuring from 5 meters to 300 meters when using the laser light and 0.8 meters to infinity when using the optical sight.
Claims5
An auto level with a laser comprising:
- a housing;
- a laser irradiating unit disposed and affixed within said housing and irradiating a laser light;
- a first right angle prism disposed in the path of said laser light;
- a focus lens lupe disposed behind said right angle prism and in the path of said laser light;
- a second right angle prism disposed behind said focus lens lupe and in the path of said laser light a polarization beam antenna disposed behind said second right angle prism;
- an operate prism mirror disposed adjacent to said polarization beam antenna;
- a reflection prism mirror disposed adjacent to and generally in between said polarizing beam antenna and said operate prism mirror;
- a diaphragm frame disposed adjacent to said operate prism mirror;
- a focus lens disposed opposite the reflection prism mirror;
- an objective lens disposed behind said focus lens;
- a top prism disposed adjacent to said polarization beam antenna;
- a focus glass comprising a scale, a contact multiplier, and a contact plus disposed adjacent to said top prism;
- an eyeglass disposed behind said focus glass;
- and
- one or more hanger strings connecting the operate prism mirror to said housing.
12 more elements
Dependencies are inferred from the claim text.