Full duplex audio response device

作者: Hisao Sakai

DOI:

关键词: Electronic engineeringControl unitSet (abstract data type)EngineeringTerminal (electronics)Push-buttonElectrical engineeringFilter (signal processing)Signal

摘要: In an audio response device comprising incoming trunk, a push button signal receiver, voice output unit and control associated with terminal set such as calling telephone set, there is provided full duplex which includes hybrid circuit disposed in the trunk band-pass filter interposed between for filtering frequency component corresponding to specified button, may receive passed through from simultaneously so that can be received even when transmitted set.

参考文章(4)
Dennis E. Puckett, Dale A. Heatherington, Eugene C. Jones, Remote data line monitor ,(1974)
Sidney Chittleburgh William Fr, John Terry Victor, Goodwin Wright Esmond Philip, Duplex data transmission system utilizing a telephone channel ,(1961)