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Class Information
Number: 396/378
Name: Photography > With viewfinder > Selective or adjustable viewfinder field
Description: Subject matter having means to choose between plural viewfinder fields or to vary a viewfinder field.










Sub-classes under this class:

Class Number Class Name Patents
396/381 Variable orientation of finder image 7
396/380 Variable size of mask opening 68
396/379 Zoom 188


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8559808 Imaging apparatus Oct. 15, 2013
8503875 Fluidic viewfinder device Aug. 6, 2013
8345139 Eyepiece lens for viewfinder Jan. 1, 2013
8224167 Dioptric adjustment device for underwater viewfinder Jul. 17, 2012
7978417 Eyepiece optical system and electronic view finder incorporating the same Jul. 12, 2011
7969658 Eyepiece optical system and electronic view finder incorporating the same Jun. 28, 2011
7899322 Photographing apparatus and method, and program Mar. 1, 2011
7885525 Lens barrel, driving method thereof, and image pickup device Feb. 8, 2011
7542670 Finder optical system for a single-lens reflex camera Jun. 2, 2009
7529475 Optical system May. 5, 2009
7446949 Driving mechanism, imaging mechanism and cellular phone Nov. 4, 2008
7424219 Viewfinder system for a digital camera and digital camera provided with such a system Sep. 9, 2008
7120461 Camera phone and photographing method for a camera phone Oct. 10, 2006
6927797 Viewfinder for high definition video camera Aug. 9, 2005
6667836 High performance viewfinder eyepiece with a large diopter focus range Dec. 23, 2003
6628902 Mirror adjustment method and apparatus Sep. 30, 2003
6538699 Real-image finder Mar. 25, 2003
6519420 Viewfinder apparatus for camera Feb. 11, 2003
6463218 Foldable mask for camera viewfinder and method of using same to alter field frame Oct. 8, 2002
6453125 Camera having liquid crystal display Sep. 17, 2002
6445887 Viewfinder for camera with adjustable diopter Sep. 3, 2002
6415109 Camera and method of manufacturing camera Jul. 2, 2002
6400908 Camera and photography system with multiple, encoded area modes and modification states Jun. 4, 2002
6342930 Display device capable of producing a good display state in plural angles of view Jan. 29, 2002
6240257 Finder apparatus May. 29, 2001
6215963 Field frame switcher Apr. 10, 2001
6181881 Field-of-view frame switching device Jan. 30, 2001
6141501 Finder device Oct. 31, 2000
6137957 Photo printing system and camera for the same Oct. 24, 2000
6112033 Multiple-lens image pickup apparatus for viewing in stereoscopic panoramic, and ordinary photographing modes Aug. 29, 2000
6097901 Camera having locator for image modification areas Aug. 1, 2000
6070013 Transmogrifying photography systems, film packages, and cameras May. 30, 2000
6052540 Viewfinder device for displaying photographic information relating to operation of a camera Apr. 18, 2000
6044229 Real image mode finder optical system Mar. 28, 2000
6035140 Finder system for camera Mar. 7, 2000
5950025 Print format selection device for camera Sep. 7, 1999
5940642 Electronic still photographic adaptor mountable single-lens reflex camera Aug. 17, 1999
5933666 Camera with variable format viewfinder Aug. 3, 1999
5930539 Finder visual field changing mechanism Jul. 27, 1999
5911087 Camera finder system Jun. 8, 1999
5875364 Field frame changeover mechanism for viewfinder Feb. 23, 1999
5854951 Finder Dec. 29, 1998
5828914 Camera with variable format viewfinder Oct. 27, 1998
5822630 Viewfinder system and optical apparatus Oct. 13, 1998
5805939 Camera arranged with a viewfinder system having an optical axis different from that of a distance measuring device Sep. 8, 1998
5774754 Camera capable of previewing a photographed image Jun. 30, 1998
5771416 Camera having simple and inexpensive finder field frame switching mechanism Jun. 23, 1998
5727245 Camera Mar. 10, 1998
5721972 Camera with a zoom function Feb. 24, 1998
5721973 Dual-focus change-over camera Feb. 24, 1998

1 2 3










 
 
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