Lens control device for moving range correction

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6744468
APP PUB NO 20020135693A1
SERIAL NO

09006567

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A lens control device comprising a variator lens, a compensation lens for compensating for the displacement of the focal plane associated with the movement of the variator lens, a conversion lens disposed in an optical path in a detachable manner for limiting the area of the movement of the variator lens, and correction means for modifying the area of the movement of the compensation lens in response to the mounting of the conversion lens.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • CANON KABUSHIKI KAISHA

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ohkawara, Hiroto Ibaraki-ken, JP 25 504
Tanaka, Taeko Kanagawa-ken, JP 18 264

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation