Patent · US Expired

Camera

US5953546A · kind A · utility

62Cited by
3References
25Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 14, 1997
Grant dateSep 14, 1999
Priority date
Expiry dateApr 14, 2017

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N23/672
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A camera divides a light beam having passed through a taking lens unit into two light beams. One light beam forms an image on a silver salt film. Another light beam forms an image on a CCD. A light path for said another light beam is provided with an aperture diaphragm. The taking lens unit has an aperture diaphragm. Said two aperture diaphragms are correlatively controlled by a controller incorporated in the camera.

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