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Patent Searching and Data


Title:
LIGHT RECEIVING APPARATUS OF ROTATING LASER APPARATUS
Document Type and Number:
Japanese Patent JP2005121388
Kind Code:
A
Abstract:

To detect the amount of inclination and the direction of the inclination in the case that a light receiving apparatus is inclined, to accurately detect and survey a reference position even in the case that the light receiving apparatus is inclined, to simplify the constitution of the light receiving apparatus, and to reduce burden on workmen.

The light receiving apparatus 2 of a rotating laser apparatus 1 rotates and irradiates at least two fan beams 3a, 3b, 3c inclined at known angles to a horizontal plane and having known angles of divergence. The light receiving apparatus comprises at least two light receiving parts arranged in a known relation.


Inventors:
Otomo, Fumio
Osaragi, Kazuki
Hayashi, Kunihiro
Application Number:
JP2003000353826
Publication Date:
May 12, 2005
Filing Date:
October 14, 2003
Export Citation:
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Assignee:
TOPCON CORP
International Classes:
G01C9/06; G01B11/26; G01C15/00; H01J40/14; (IPC1-7): G01C15/00; G01B11/26; G01C9/06
Attorney, Agent or Firm:
三好 祥二