Electric optical distance meter

United States of America Patent

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Feb 17, 2009
Grant Date
Sep 25, 2008
app pub date
Jan 3, 2008
filing date
Mar 22, 2007

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Abstract

which is placed at one of the two locations where the blocking plates are not arranged and between the blocking plates, and attenuates the distance measuring light entering the internal optical path when the target is of a low reflectivity.

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Patent Owner(s)

Patent Owner	Address
TOPCON CORPORATION	TOKYO

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G01C:MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING....

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Inventor Name	Address	# of filed Patents	Total Citations
Osada, Futoshi	Kanagawa, JP	2	84

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Electric optical distance meter

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United States of America Patent

11969063

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PATENT NO	7492444
APP PUB NO	20080231830A1
SERIAL NO	11969063
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
February 17, 2009	US,7492444,B2 US7492444B2	GRANTED PATENT AS SECOND PUBLICATION
September 25, 2008	US,20080231830,A1 US20080231830A1	FIRST PUBLISHED PATENT APPLICATION

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11969063

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