Patent · US Expired

Camera mechanism employing a multifunction control member

US4295715A · kind A · utility

17Cited by
7References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 13, 1979
Grant dateOct 20, 1981
Priority date
Expiry dateDec 13, 1999

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03B7/097
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A control mechanism for use in a photographic camera featuring automatic focus and automatic exposure includes a control circuit responsive to scene parameter inputs, including at least subject distance and scene brightness, for controlling the adjustment of both the focus position and the aperture size through a multifunction control member.

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