The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 16, 1996
Filed:
Feb. 16, 1994
Applicant:
Inventors:
Kaoru Kumagai, Tokyo, JP;
Shinji Kawashima, Tokyo, JP;
Kiichi Furuya, Tokyo, JP;
Fumio Ohtomo, Tokyo, JP;
Assignee:
Kabushiki Kaisha Topcon, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C / ; G01C / ; G01C / ;
U.S. Cl.
CPC ...
356-408 ; 33293 ; 356-403 ;
Abstract
An electronic leveling system, which is intended to enhance the efficiency of leveling work, is capable of sending various data generated on the part of the electronic level unit from it to the electronic leveling staff and sending various data generated on the part of the leveling staff from it to the leveling unit. The system includes a function of compensating automatically the tilt of the leveling unit and leveling staff.