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:
Feb. 06, 2001
Filed:
Jul. 29, 1997
Applicant:
Inventors:
Satoshi Hirano, Tokyo-to, JP;
Fumio Ohtomo, Tokyo-to, JP;
Assignee:
Kabushiki Kaisha Topcon, Tokyo-to, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 9/02 ;
U.S. Cl.
CPC ...
G01C 9/02 ;
Abstract
A laser irradiation unit for projecting a laser beam onto a target for reference comprises a remote receiving unit for receiving an operation light signal from a remote controller, a buzzer or a lamp for confirming operation, and a control unit for operating the buzzer for confirming operation or lighting up the lamp for confirming operation in case the operation light signal is received by the remote receiving unit, and the condition of the remote control operation is conveyed to an operator or the remote controller by sound of the buzzer for confirming operation or by lighting of the lamp for confirming operation.