| Patent | Date |
|---|
Surveying machine automatically adjusting optical axis
App 20020186361 - Ueno, Masayuki ; et al. | 2002-12-12 |
Autofocus distance-measuring optical system
Grant 6,480,266 - Shirai , et al. November 12, 2 | 2002-11-12 |
Surveillance camera system and photographing lens system thereof
App 20020163585 - Machii, Hideto ; et al. | 2002-11-07 |
Variable-focus lens system
App 20020126393 - Nasu, Sachiko ; et al. | 2002-09-12 |
Automatic aperture control circuit for automatic diaphragm lens of CCTV camera
App 20020054764 - Shikano, Toru | 2002-05-09 |
Integral transmitter-receiver optical communication apparatus
Grant 6,384,944 - Takayama , et al. May 7, 2 | 2002-05-07 |
Diaphragm device of a television camera lens for a CCTV surveillance camera
App 20020044212 - Hashimoto, Takaaki | 2002-04-18 |
Automatic surveying system
App 20020028016 - Gotoh, Tatsuo | 2002-03-07 |
Linear-motion helicoid mechanism for CCTV camera
App 20020021904 - Takahashi, Kazunori | 2002-02-21 |
Diaphragm apparatus of lens for CCTV camera
App 20020003583 - Arai, Masayuki | 2002-01-10 |
Surveying intstrument, surveying instrument having AF function, surveying instrument having PF mechanism, and surveying instrument having multiple-focus function
App 20010039740 - Kaneko, Kenji ; et al. | 2001-11-15 |
Measurement surveying device
Grant D447,066 - Takayama , et al. August 28, 2 | 2001-08-28 |
Diaphragm control apparatus for lens of CCTV camera
App 20010002849 - Arai, Masayuki | 2001-06-07 |
Mount shift apparatus of lens for CCTV camera
Grant 6,154,255 - Shishido , et al. November 28, 2 | 2000-11-28 |
ND filter
Grant 6,078,442 - Tada , et al. June 20, 2 | 2000-06-20 |
Focusing method and apparatus for a surveying instrument having an AF function, and arrangement of an AF beam splitting optical system therein
Grant 5,936,736 - Suzuki , et al. August 10, 1 | 1999-08-10 |
Surveying apparatus/instruments
Grant D411,809 - Wakabayashi July 6, 1 | 1999-07-06 |
Super wide angel lens system using an aspherical lens
Grant 5,861,999 - Tada January 19, 1 | 1999-01-19 |
Electronic measurement device
Grant D389,418 - Takayama , et al. January 20, 1 | 1998-01-20 |
Color separation prism assembly for C-mount camera
Grant 5,668,664 - Shishido September 16, 1 | 1997-09-16 |
Fast aspherical lens system
Grant 5,557,472 - Ito , et al. September 17, 1 | 1996-09-17 |
Fast ultra-wide angle lens system
Grant 5,477,389 - Ito , et al. December 19, 1 | 1995-12-19 |
Surveying machine for construction work
Grant 5,218,770 - Toga June 15, 1 | 1993-06-15 |
Automatic diaphragm control device of variable photometry type used in objective for television camera
Grant 4,717,960 - Shikano , et al. January 5, 1 | 1988-01-05 |
Remoto-controllable automatic diaphragm control device for use with CCTV camera
Grant 4,651,216 - Arai , et al. March 17, 1 | 1987-03-17 |
Automatic diaphragm control device for use with CCTV camera
Grant 4,562,477 - Ogasawara , et al. December 31, 1 | 1985-12-31 |
Automatic diaphragm control device for use IWT CCTV camera
Grant 4,562,476 - Shikano , et al. December 31, 1 | 1985-12-31 |
Photometric circuit incorporated in objective provided with automatic diaphragm for closed circuit television (CCTV) camera
Grant 4,547,808 - Arai , et al. October 15, 1 | 1985-10-15 |
Vernier device of the digital display type for a universal parallel ruler
Grant 4,492,031 - Koenuma January 8, 1 | 1985-01-08 |
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