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.)
H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
H04L12/00—Data switching networks
H04L12/02—Details
H04L12/16—Arrangements for providing special services to substations
H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
H04L12/1804—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast for stock exchange and similar applications
Telegrafiersystem, bei dem die Zeichen durch eine Tastatur auf der Sendestation als Gruppen zweier oder mehrerer verschiedener Frequenzen gebildet werden und im Empfaenger ueber Resonatoren einen Zeichenregistriermechanismus betaetigen