/Canon Patents

Canon Patents

Patent: Canon Reversible Mount Lens

By Canon Rumors | December 13, 2016

A patent showing a lens design from that shows the ability to reverse mount for greater macro magnification has appeared. Patent publication number 2016-206568 (Google Translated) Release date 2016.12.8 Application date 2015.4.28 Reversibly attachable lenses Reverse attachment detection switch Switch control according to installation position There have been a few adaptors over the years that Read more…

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Patent: Electronic Curved Sensor

By Canon Rumors | December 9, 2016

Another patent showing a curved sensor design from Canon has appeared. A previous patent showed how a curved sensor could help reduce vignetting. This patent shows how to electronically bend the sensor. We’ve now seen a few patents for curved sensor technology, so we expect we’re going to see some sort of implementation in the future. Read more…

Patent: Canon EF 600mm f/4 DO IS

By Canon Rumors | December 7, 2016

A patent for the Canon EF 600mm f/4 DO IS has finally appeared. A prototype of this lens was shown in September of 2015 at the Canon EXPO. We were also told a few months ago that the retail version of this lens could be coming near the end of 2017, though we haven’t received Read more…

Patent: Canon Curved Sensor to Reduce Vignetting

By Canon Rumors | November 30, 2016

It looks like Canon is continuing to research curved sensors, this patent is geared towards light fall off on the sides of the sensor. Patent Publication No. 2016-197663 (Google Translated) Published 2016.11.24 Filing date 2015.4.3 The central portion of the light falloff is not noticeable to the flat shape The periphery light falloff is noticeable Read more…

Patent: PowerShot 3.8-380mm f/2.3-7 Lens

By Canon Rumors | November 28, 2016

A patent over at Egami showing a 3.8-380mm f/2.3-7 lens for a PowerShot camera has appeared.  You read that right, we have a patent for another 100x zoom lens for a PowerShot application. Published 2016.11.10 (Google Translated) Filing date 2015.3.31 Optimization of the aperture flare cut To mitigate the amount of peripheral light change To move Read more…

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