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
Image generation device with optimized dose control
Self-assembled, micropatterned, and radio frequency (RF) shielded biocontainers and their uses for remote spatially controlled chemical delivery
Systems and methods for vehicle cruise control
Load balancing in shortest-path-bridging networks
System and method for associating financial transaction data with a user's project data using a portable electronic device
Phospholipid-based powders for drug delivery
Method and receiver for jointly decoding received communication signals using maximum likelihood detection
  Randomly Featured Patents
Apparatus, system and method for active scheduling of time based event-driven long running processes
Compositions and process for making water soluble polyethylene oxide films with enhanced toughness and improved melt rheology and tear resistance
Method and system for testing network connections
Athletic shoe with improved sole
Broadcasting signal receiving apparatus and channel scanning method
Sheet conveying device and image forming apparatus
Light emitting apparatus
Lamps and discharge devices and materials therefor
Semiconductor device and method for fabricating the same
Method of forming film pattern, device for forming film pattern, conductive film wiring, electro-optical device, electronic device, and non-contact card medium