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
Adaptive frame scanning scheme for pulsed X-ray imaging
Selecting from a plural of energy saving modes
Traveling vehicle system and self-diagnosis method for the traveling vehicle system
Apparatus and method for discharging capacitor of input filter of power supply, and power supply including the apparatus
Method and apparatus for controlling peak amplifier and doherty power amplifier
Method and apparatus for monitoring for a radio link failure
  Randomly Featured Patents
Dual-polarized antenna array
Powder reinforcing machine
Common control constant shift reframe circuit
Apparatus and method for locating mobile terminals
Fluorescent lamp
Glycerin derivatives
Electrode shaft for a magneto-inductive flow measuring device having a plurality of frustoconical sealing lips
Semiconductor device and a fabrication process thereof
Biaxially oriented film of high molecular weight polyethylene, process for preparing the same, surface-modified biaxially oriented film of high molecular weight polyethylene and process for pr
Apparatus for stretching of fasteners