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Canon looking at infrared (night mode) and color photography compact camera?
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Canon looking at infrared (night mode) and color photography compact camera?

This is an interesting patent.  It involves specifically moving the IR Cut filter in and out of the optical path.

This would allow the camera to be able to see full color as we do now (with the IR cut filter in place) or act as a full spectrum camera for astrophotography or terristerial photography.

Specifically, this patent is looking at a IR night mode and daytime mode of operation and optimizing the amount of room it requires.  Similar to the Sony cameras of days gone by.

This diagram shows a rather small sensored camera and the entire diagram structure seems to indicate a compact with a very short registration distance between the rear lens element and the sensor.

Japan Patent Application 2018-005176


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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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