Patent · US Expired

Mono/stereo switching circuit

US5515442A · kind A · utility

7Cited by
1References
11Claims
0Family size

Assignees

Inventor

Key dates

Filing dateOct 5, 1995
Grant dateMay 7, 1996
Priority date
Expiry dateOct 5, 2015

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04H40/81
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

A mono/stereo switching circuit wherein first, second, and third switches operate in circuit which is arranged so that (1) when the first switch is engaged, and the mono/stereo switch is engaged, the signal at a first mono input is provided to both of a pair of left and right output channels; (2) when the second switch is engaged and the mono/stereo switch is not engaged, the signal at a second mono input is provided to both of the pair of left and right output channels; and (3) when the input signal is a stereo signal at the first and second inputs, and either of the first and second switches is engaged, and the mono/stereo switch is engaged, the input signal at the first input terminal is provided at the left channel output while the input signal at the second input terminal is provided at the right channel output.

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