Canon Files Patent For Automated Auto-Focus Microadjustement

Source: Egami (translated)

Canon filed a patent for automatic auto-focus microadjustement of lenses. Pretty cool feature that I would like to see on my DSLRs.

Patent description:

• Patent Publication No. 2013-254194
  • Publication date 2013.12.19
  • Filing date 2012.5.11
• Issues surrounding the AF adjustment
  • The looseness of the phase difference AF sensor, because the AF accuracy is worse, need AF adjustment
  • It is not done correctly the AF adjustment in your environment
  • Necessary facilities such as service center
• Canon patents
  • Automation of the AF adjustment
  • Procedure
    • Let me be the difference adjusted value of the phase difference AF and contrast AF
    • To determine the reliability