Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Device detecting focus of a taking lens without decrease in focus detection accuracy when the auto focus area is disposed at an inclination relative to the photographic field










Image Number 12 for United States Patent #6686577.

An optical element disposed behind a main mirror and inclined relative to the optical axis is arranged at a position to correct aberration in the luminous flux generated by transmission through the main mirror.








 
 
  Recently Added Patents
Battery pack with interchangeable circuit substrates
Input device with photodetector pairs
Catalysts and process for producing aldehydes
Apparatus and method for providing vehicle data for testing product
High brightness laser diode module
Nonvolatile semiconductor memory device and method for manufacturing the same
Substituted indolo 4,3 FG quinolines useful for treating migraine
  Randomly Featured Patents
Retaining device for expansion cards
Optical characteristic measuring apparatus
Combined solar and wind powered generator with spiral surface pattern
Control system for cooling tower fans
Self assembly of sensor membranes
Image forming apparatus
Non-invasive load current sensing in low dropout (LDO) regulators
Method for mounting component
Detachable golf ball retriever
Control device for internal combustion engine and control method for internal combustion engine