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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten mbH
Original Assignee
Fides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten mbH
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Publication date
Application filed by Fides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten mbHfiledCriticalFides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten mbH
Publication of ES158348A1publicationCriticalpatent/ES158348A1/es
H04J1/14—Arrangements providing for calling or supervisory signals
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04B—TRANSMISSION
H04B3/00—Line transmission systems
H04B3/54—Systems for transmission via power distribution lines
H04B3/544—Setting up communications; Call and signalling arrangements
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Engineering & Computer Science
(AREA)
Computer Networks & Wireless Communication
(AREA)
Signal Processing
(AREA)
Power Engineering
(AREA)
Interface Circuits In Exchanges
(AREA)
Mobile Radio Communication Systems
(AREA)
ES0158348A1941-10-241942-08-22DISPOSICIoN DE CONEXIoN PARA ESTABLECER COMUNICACIoN CON LLAMADA SELECTIVA ENTRE APARATO DE CORRIENTE PORTADORA
ExpiredES158348A1
(es)