Invention Grant
US08947576B2 Optical viewfinder having self-luminous and non-self-luminous display portions and optical apparatus using same
有权
具有自发光和非自发光显示部分的光学取景器和使用其的光学装置
- Patent Title: Optical viewfinder having self-luminous and non-self-luminous display portions and optical apparatus using same
- Patent Title (中): 具有自发光和非自发光显示部分的光学取景器和使用其的光学装置
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Application No.: US13772983Application Date: 2013-02-21
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Publication No.: US08947576B2Publication Date: 2015-02-03
- Inventor: Yoshiaki Irie
- Applicant: Canon Kabushiki Kaisha
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Canon USA Inc. IP Division
- Priority: JP2012-039022 20120224
- Main IPC: H04N5/222
- IPC: H04N5/222 ; H04N5/225 ; G02B13/16 ; G03B13/20 ; G03B13/02 ; G03B13/16
Abstract:
An optical viewfinder to observe an object image focused as a primary image by an objective lens includes a first display unit of self-luminous type and a second display unit of non-self-luminous type. The first display unit is arranged at a position closer to a primary image plane of the objective lens than the second display unit in a direction of an optical axis.
Public/Granted literature
- US20130222669A1 OPTICAL VIEWFINDER AND OPTICAL APPARATUS USING SAME Public/Granted day:2013-08-29
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