Patent · US Expired

Sound playback apparatus capable of playing back sounds relevant to photographs

US5313235A · kind A · utility

64Cited by
6References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 28, 1992
Grant dateMay 17, 1994
Priority date
Expiry dateFeb 28, 2012

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03B2217/247
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

In a sound playback apparatus, by attaching thereto a medium in which sound data are recorded in each area thereof and a print in each frame of which a code indicating a sound recording area is recorded, the sound playback apparatus can play back sound data corresponding to the photographed frames of the film respectively from the medium.

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