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Canon patents a DPAF sensor with bi-directional pixels
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Canon patents a DPAF sensor with bi-directional pixels

Canon continues to work on refining DPAF (Dual Pixel Auto Focus) sensors.

Canon was granted a US patent Patent No 09794468 for a DPAF (dual pixel auto focus) sensor with pixels in both the horizontal and vertical directions. 

This should improve auto focus when shooting in portrait orientation on a mirrorless camera.

Thank you Keith from Northlight for finding this patent.

 

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How to view Japan Patent applications.

Unfortunately, there's no direct way of linking to the patent application (sad!) however, this is the easiest process to view a japan patent or application.

  1. Go to the Japan Patent Office search page.
  2. If it's a patent application (they are usually in the format of Year-Number ie: 2017-011300) then type the patent application number into the second field down from the top where it says publication of patent application. 
  3. Click on search.
  4. Then click on the patent application number link, and there's the patent application!

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