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
Target output device and extreme ultraviolet light source apparatus
Systems, methods, and apparatus to prepare a mobile device for provisioning
Vehicle having power supply apparatus
Method and apparatus of communication using soft decision
Varying latency timers in a wireless communication system
High-resolution ranging and location finding using multicarrier signals
Display screen of a mobile terminal or portion thereof with a graphical user interface
  Randomly Featured Patents
Solid state imaging device incorporating unwanted electric charge discharging channel and method of driving the same
Head covering for at least lifting the face of a wearer
Super-orthogonal space-time trellis codes, and applications thereof
Passively steered tandem axle group
Reference voltage generation circuit, and constant voltage circuit using the reference voltage generation circuit
Prefabricated building panels and structures, building, methods and systems relating to same
Amplifier structure for low-level voltage measurements
Antibodies directed to fragments of connective tissue growth factor (CTGF) polypeptide and methods and uses thereof
Dicorotron having adjustable wire height