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
Compact ion accelerator source
Mirror drift compensation in an optical circuit switch
Asset control in location tracking system
Transmission device
Device for transmitting data between a serial data bus and working modules such as actuator modules and/or I/O modules
Recording apparatus, recording method, reproducing apparatus, reproducing method, program, and recording/producing apparatus
Human and mouse targeting peptides identified by phage display
  Randomly Featured Patents
Evaporation source with a shaped nozzle
Plastic edge sealing strip and mounting head
Positionable power receptacle
Tetrahydro-quinolinylurea derivatives
Control system for a multi-phase motor
Rate compensating monostable multivibrator
Mass spectrometer
Ablation of rectal and other internal body structures
Selective sheet feeder
Electric contacting device