Patent · US Expired

Interactive audio-visual toy

US5944574A · kind A · utility

24Cited by
35References
29Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 17, 1996
Grant dateAug 31, 1999
Priority date
Expiry dateJul 17, 2016

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09B5/062
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

An interactive audio-visual toy that includes a base unit that receives removable audio-visual ("AV") cassette. The AV cassette includes a pair of rollers on which a picture scroll is wound. The pictorial scenes of the picture scroll are evident through a transparent viewing window. Moreover, a pre-recorded audio cassette is mounted on its bottom surface. The base unit controls the AV cassette to successively display these pictorial scenes without the use of expensive display hardware and to output audio from the pre-recorded audio cassette tape.

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