Transmission circuit for an electronic telephone set
作者： Daniel J. G. Janssen , Josephus J. A. Geboers
DOI:
关键词:
摘要: A transmission circuit for an electronic telephone set has a transmit which as far direct current is concerned connected in parallel with the series arrangement of logic circuit, source and receive circuit. This enables voltage space to be equal line so that maximum level can achieved.
lens.org 参考文章(6)
William Stobbs, Charles Hines, Rickey W. Light, Electronic voice network for a telephone subscriber's substation ,(1981)
Paul C. Davis, Raymond G. Jackson, Kenneth F. Sodomsky, Dennis L. Whitson, Active speech network circuit for a telephone set ,(1979)
Akinobu Tomimori, Michio Hara, Hiroshi Hara, Telephone transmission circuit ,(1981)
Gary Grantland, Larry A. Woodworth, Loudspeaking substation circuit ,(1980)
Robert H. Duncan, Telephone station circuit using digital tone generation ,(1980)
Gijsbert W. Versteeg, Ian Phillips, Eilev Enggrav, DC Supply for an electronic signalling device ,(1980)