Patent · US Expired

Interchangeable lens type camera apparatus

US5877811A · kind A · utility

31Cited by
9References
28Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 28, 1997
Grant dateMar 2, 1999
Priority date
Expiry dateAug 28, 2017

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N23/663
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

This invention discloses an interchangeable lens type video camera for deciding lens specifications on a camera side and changing control data transmitted from the camera side to a lens unit in accordance with specifications of the lens unit, thereby performing optimal control. A video camera is also disclosed in which an adapter for mounting a lens unit on the video camera is arranged, and control data outputted from the video camera side to the lens unit is corrected in accordance with lens characteristics, thereby performing the same operation as in a case wherein a video camera lens is mounted on the video camera.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.