Patent · US Expired

Camera

US5107288A · kind A · utility

5Cited by
1References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 10, 1991
Grant dateApr 21, 1992
Priority date
Expiry dateJan 10, 2011

Classification

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

Abstract

A camera includes a sound pressure section, a release determining section, and a shutter driving section. The sound pressure detecting section detects the sound pressure level of an input sound. The release determining section outputs a release signal when the sound pressure level detected by the sound pressure detecting section is a reference value or more for a predetermined period of time. The shutter driving section performs a release operation in response to the release signal from the release determining section.

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