Richard CanonNews / Thursday, December 14, 2017 / Categories: Canon Patents Canon Autofocus patents Canon has applied for some patents in the united states, as discrovered by northlight. US Patent 09843783 This patent deals with the difficulty of the AF phase detect sensor from determining focus, if the lens has a high amount of chromatic abberations, and discusses ways to improve the focus accuracy with lenses with less than stellar CA handling. US Patent 09843728 This patent deals with improving focus if manual focus is engaged. US Patent 09843710 This patent is the most intriguing. This deals with adding a secondary AF acquistion off of a Dual Pixel AF sensor to precisely control the focus. Previous Article Canon USA - Winter Sale Next Article DPReview completes it's G9X Mark II review Print 5591 Tags: Patents Related articles Canon Inc. Places Third in U.S. Patents Granted in 2021 IFI Claims Rankings Canon Ranks in the top 5 for US patents for 35 straight years Canon places top five in U.S. patent rankings for 33 years running and first among Japanese companies for 14 years running Another curved sensor patent application from Canon Another supertelephoto patent surfaces Leave a comment Name: Please enter a name. Email: Please enter an email address. Please enter a valid email address. Comment: Please enter comment. I agree This form collects your name, email, IP address and content so that we can keep track of the comments placed on the website. For more info check our Privacy Policy and Terms Of Use where you will get more info on where, how and why we store your data. You must read and accept this rules. Add comment