Patent · US Expired

Audio reproduction systems

US5917916A · kind A · utility

18Cited by
5References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 5, 1997
Grant dateJun 29, 1999
Priority date
Expiry dateMay 5, 2017

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04S2420/01
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

Stereophonic sound reproduction apparatus comprising an input means (2) for producing binaural signals, cross-talk cancellation means, (10) loudspeaker means, (20, 22) headphone means, (26) and a switch means (12, 18, 24, 30, 32) which in a first position (plug 24 not inserted in socket 18) couples the binaural signals from the input means (2) to the loudspeaker means (20, 22) through the cross-talk cancellation means (10) and in a second position (plug 24 inserted in socket 18) renders the cross-talk cancellation means (10) inoperable and couples the binaural signals from the input means (2) to the headphones (26).

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