Resources Contact Us Home
Lens device

Image Number 4 for United States Patent #7403342.

A lens device comprises: at least one driven member including an optical system and a lens frame holding the optical system; a plurality of guides that guide the driven member in a direction of an optical axis; a driving frictional member frictionally engaged with the driven member; and an electro-mechanical conversion member connected to the driving frictional member.

  Recently Added Patents
Detection of neutrinos
Current leakage in RC ESD clamps
Thermal detector, thermal detection device, and electronic instrument
Bi-fuel engine
Multi-carrier signal transmitter and multi-carrier signal receiver
Tannin-chitosan composites
Microbiological analysis assembly and method
  Randomly Featured Patents
Microfabricated nanopore device for sustained release of therapeutic agent
Integrated method for controlling diesel engine emissions in CRT-LNT system
Method for acquiring samples from a trickling filter medium
Machine and method for forming helically wound paper tubes having improved mechanical resistance
Floating chlorine dispenser
Wireless communication system and flagpole
Composition for preventing clouding of posterior capsule after extracapsular cataract eye surgery and method of performing cataract surgery
Mitre box
Stylus sensing system
Multiple amplifier matching over lumped networks of arbitrary topology