Invention Grant
US07986366B2 Optical low pass filter and image pickup apparatus having the same
有权
光学低通滤波器和具有该低通滤波器的图像拾取装置
- Patent Title: Optical low pass filter and image pickup apparatus having the same
- Patent Title (中): 光学低通滤波器和具有该低通滤波器的图像拾取装置
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Application No.: US12468042Application Date: 2009-05-18
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Publication No.: US07986366B2Publication Date: 2011-07-26
- Inventor: Toru Sasaki
- Applicant: Toru Sasaki
- Applicant Address: JP
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP
- Agency: Rossi, Kimms & McDowell LLP
- Priority: JP2004-337135 20041122
- Main IPC: H04N5/225
- IPC: H04N5/225
Abstract:
An optical low pass filter includes one portion that splits an incident light beam into plural light beams having a predetermined split width in a predetermined direction, and emits the light beams, and another portion that splits the incident light beam into plural light beams having a split width different from the predetermined split width in the predetermined direction, and emits the light beams.
Public/Granted literature
- US20090231481A1 OPTICAL LOW PASS FILTER AND IMAGE PICKUP APPARATUS HAVING THE SAME Public/Granted day:2009-09-17
Information query
