Geometrical instruments – Straight-line light ray type – Multisight line
Reexamination Certificate
2006-09-26
2010-10-19
Smith, R. A. (Department: 2841)
Geometrical instruments
Straight-line light ray type
Multisight line
C033S293000, C172S004500
Reexamination Certificate
active
07814670
ABSTRACT:
A laser level detection system which detects a reference plane of laser at an arbitrary position includes a plurality of level detection units and an operation unit which displays a detection result of each of the level detection units and can operate each of the level detection units, and the laser level detection unit, which has detected the reference plane of the laser, outputs the detection result and an own identification signal of the level detection unit, and the operation unit displays the detection result and a receiving result of the identification signal of the level detection unit.
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Hayashi Kunihiro
Katayama Yasutaka
Yamazaki Takaaki
Foley & Lardner LLP
Kabushiki Kaisha Topcon
Smith R. A.
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