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.

Date of Patent:
Jun. 08, 2021

Filed:

May. 09, 2018
Applicant:

Topcon Corporation, Tokyo, JP;

Inventors:

Hideyuki Matsumoto, Tokyo, JP;

Fumio Ohtomo, Asaka, JP;

Kaoru Kumagai, Tokyo, JP;

Assignee:

TOPCON CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 15/00 (2006.01); G02F 1/29 (2006.01); G02B 26/10 (2006.01); G02B 26/08 (2006.01); G01S 17/42 (2006.01); G02B 7/18 (2021.01); G01S 7/481 (2006.01); G01S 17/86 (2020.01);
U.S. Cl.
CPC ...
G01C 15/002 (2013.01); G01S 7/4817 (2013.01); G01S 17/42 (2013.01); G01S 17/86 (2020.01); G02B 7/1805 (2013.01); G02B 26/0883 (2013.01); G02B 26/108 (2013.01); G02F 1/29 (2013.01); G02F 1/291 (2021.01);
Abstract

A deflecting device and surveying instrument comprising a holding member having a ring shape; ring gears disposed on both sides of the holding member with the holding member interposed the ring gears, the ring gears being concentric with the holding member; bearings disposed between the holding member and the ring gears on both sides of the holding member, the bearings being concentric with the holding member; optical deflecting members disposed at central portions of the ring gears and integrated with the ring gears; deflection motors corresponding to the respective ring gears; and a drive transmitting member configured to transmit rotary force of the deflection motors to the ring gears.


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