Patent · US Expired

Autozoon apparatus for camera

US5752094A · kind A · utility

6Cited by
4References
39Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 13, 1995
Grant dateMay 12, 1998
Priority date
Expiry dateJul 13, 2015

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B7/102
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An autozoom apparatus for a camera having an operating member for designating a first point and a second point in a scene to be photographed; a circuit using an angular velocity sensor for detecting a displacement angle of the camera when the camera is rotated from the first to second points; an autofocus circuit for measuring the object distance; a zoom encoder; a zoom motor; and a circuit for controlling the zoom motor. The autozoom apparatus calculates a focal length corresponding to the picture frame defined by the first and second points and makes automatic zooming to the calculated focal length.

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