Resources Contact Us Home
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
Support for a portable electronic device
Communication apparatus, and method and program for controlling same
Process for production of nickel oxide-stabilized zirconia composite oxide
Microbial fuel cell and method of use
OFDM control signaling in the presence of timing asynchronization in a peer-to-peer network
Motor and disk drive apparatus
  Randomly Featured Patents
Martial art training pad
Method of working up antimony halide catalyst solutions
Cutting knife for severing tough elastic materials and production method therefor
Process for making a three-zone microporous membrane
Jet nozzle attachment
Method for performing a measurement inside a specimen using an insertable nanoscale FET probe
High-speed input signal receiver circuit
Spider mounted centrifugal mixing impeller
Apparatus and method for adaptive audio coding
Toothed-wheel gearchange