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Browse by Category: Main > Optical & Optics
Class Information
Number: 396/114
Name: Photography > With exposure objective focusing means, focusing aid, or rangefinding means > Optical detail with photoelement system > Dual reimage lens type
Description: Subject matter wherein the light modifying means includes two lenses behind the lens system for producing images of the object.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8618437 Optical apparatus and manufacturing method thereof Dec. 31, 2013
8213785 Focus detection optical system Jul. 3, 2012
8164642 Image-capturing device with a destructive read-type image sensor Apr. 24, 2012
8160437 Focus detection apparatus Apr. 17, 2012
8149324 Phase difference detection device, imaging apparatus, phase difference detection method Apr. 3, 2012
8045026 Solid-state image sensing device Oct. 25, 2011
7924342 Image sensor with image-capturing pixels and focus detection pixel areas and method for manufacturing image sensor Apr. 12, 2011
7920782 Imaging device Apr. 5, 2011
7817912 Optical system of a focus detection apparatus Oct. 19, 2010
7800844 Focus detection optical system and imaging apparatus incorporating the same Sep. 21, 2010
7791667 Focus detection apparatus and image-pickup apparatus including the same Sep. 7, 2010
7751700 Focus adjustment device, imaging device and focus adjustment method Jul. 6, 2010
7737386 Focus detection optical system having a plurality of focus detection areas, and imaging apparatus incorporating the same Jun. 15, 2010
7702230 Digital camera and exposure condition determining method Apr. 20, 2010
7676147 Focus detection apparatus and optical apparatus Mar. 9, 2010
7548687 Focus detecting apparatus and optical device Jun. 16, 2009
7471889 Focus detection system for focus adjustment having differently-sized apertures and using a pair of signals formed by a pencil of rays passing through different regions of exit pupil of imaging Dec. 30, 2008
7283737 Focus detecting apparatus Oct. 16, 2007
7164856 Distance measurement and photometry sensor device Jan. 16, 2007
7130127 Terrestrial telescope with digital camera Oct. 31, 2006
6897899 Electronic image pickup apparatus May. 24, 2005
6847784 Focus detecting optical system and camera provided with the same Jan. 25, 2005
6766112 Focal point detection apparatus and focal point detection module Jul. 20, 2004
6707994 Device for determining amount of focus adjustment Mar. 16, 2004
6686577 Device detecting focus of a taking lens without decrease in focus detection accuracy when the auto focus area is disposed at an inclination relative to the photographic field Feb. 3, 2004
6643460 Camera and focal point detection apparatus Nov. 4, 2003
6618560 Focus detection device Sep. 9, 2003
6583433 Range finder structure allowing easier filling of the transparent filler Jun. 24, 2003
6477327 Camera having image pick-up device Nov. 5, 2002
6473126 Focusing information detecting device, focus detecting device and camera utilizing the same Oct. 29, 2002
6393219 Multipoint focus detecting apparatus May. 21, 2002
6392820 Optical system of a composite camera May. 21, 2002
6370333 Multipoint focus detecting apparatus Apr. 9, 2002
6360059 Focus detector Mar. 19, 2002
6346694 Focus detecting device and a method for the focus detection Feb. 12, 2002
6281968 Laser distance-measuring instrument for large measuring ranges Aug. 28, 2001
6272291 Focus detecting device Aug. 7, 2001
6188846 Optical system for focus detecting device Feb. 13, 2001
6188845 Multipoint focus detecting apparatus Feb. 13, 2001
6128444 Multipoint focus detecting apparatus Oct. 3, 2000
6046795 Distance measuring instrument Apr. 4, 2000
6002121 Focus detector having light deflector near image forming plane Dec. 14, 1999
5995766 Focus detecting device and optical apparatus having the same Nov. 30, 1999
5923909 Distance measuring device and a camera using the same Jul. 13, 1999
5875360 Focus detection device Feb. 23, 1999
5864721 Focus detecting apparatus Jan. 26, 1999
5839001 Focus detecting apparatus Nov. 17, 1998
5822627 Focus state detection device Oct. 13, 1998
5771413 Focus detecting apparatus Jun. 23, 1998
5752099 Optical unit for detecting a focus state May. 12, 1998

1 2 3










 
 
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