Resources Contact Us Home
Lens apparatus and imaging apparatus

Image Number 7 for United States Patent #7957073.

A lens apparatus includes a first lens unit and a second lens unit each of which is configured to move in an optical axis direction, a first cam tube that includes a first cam part and a second cam part respectively on an outer circumferential surface and an inner circumferential surface and moves the first and second lens units respectively in the optical axis direction using the first and second cam parts as the first cam tube rotates around an optical axis, and a linearly moving guide tube that is arranged on an inner circumferential side of the first cam tube and configured to guide the first and second lens units in the optical axis direction.

  Recently Added Patents
Braided boomerang pet toy
Optoelectronic devices and a method for producing the same
Encoder that detects positional information of a moving body generating interference fringes that move in opposite directions
Method and apparatus for providing auto-completion of information
Video recording and playing apparatus and its control method
Method and system for utilizing Perovskite material for charge storage and as a dielectric
Audit planning
  Randomly Featured Patents
Display and compensation circuit therefor
Blends and alloys of polycyclic polymers
Rotary transfer device with finger moving on a CAM-forming path
Fabrication process for semiconductor optical device
Para-bromination of ortho-alkyl anilines
Non-contacting gas seal for relatively rotating parts
Powder inhaler
Phase discontinuity compensation in a bit-accurate optical drive
System and method for tracking, monitoring and reporting extinguishment of a title insurance policy
Varying heating in dawsonite zones in hydrocarbon containing formations