Patent · US Expired

Automatic release camera

US5162832A · kind A · utility

13Cited by

3References

6Claims

0Family size

Assignee

Konica Corporation · JP

Inventors

Tsuyoshi Kakita · Hoya, DE
Yasushi Hishino · Oshima, JP

Key dates

Filing date	Jul 18, 1991
Grant date	Nov 10, 1992
Priority date	—
Expiry date	Jul 18, 2011

Classification

Technology area (CPC G)Physics
CPC primaryG03B17/38
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A camera for taking a photograph by automatically releasing a shutter, comprising; a detector for detecting a sound pressure level, and a pre-programed CPU for determining a first period of time that the detected sound pressure level exceeds a predetermined sound pressure level in which the camera releases the shutter when the first period of time exceeds a second period of time, and the CPU varies the second period of time according to an increase rate of the sound pressure.

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