Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
H04Q5/02—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange with direct connection for all subscribers, i.e. party-line systems
H04Q5/08—Signalling by continuous AC
Landscapes
Engineering & Computer Science
(AREA)
Computer Networks & Wireless Communication
(AREA)
Sub-Exchange Stations And Push- Button Telephones
(AREA)
Schaltungsanordnung fuer Fernsprechvermittlungsstellen mit zweiteiligen Schnurpaar-stoepseln und Einrichtungen, welche zur Wahrung des Gespraechsgeheimnisses die selbsttaetige Abschaltung des Abfrageapparats bewirken