EP 1221220 A2 20020710 - METHOD AND DEVICE FOR BI-DIRECTIONAL COMMUNICATION BETWEEN AT LEAST TWO COMMUNICATION PARTICIPANTS
Title (en)
METHOD AND DEVICE FOR BI-DIRECTIONAL COMMUNICATION BETWEEN AT LEAST TWO COMMUNICATION PARTICIPANTS
Title (de)
VERFAHREN UND VORRICHTUNG ZUR BIDIREKTIONALEN KOMMUNIKATION WENIGSTENS ZWEIER KOMMUNIKATIONSTEILNEHMER
Title (fr)
PROCEDE ET DISPOSITIF POUR LA COMMUNICATION BIDIRECTIONNELLE ENTRE AU MOINS DEUX INTERLOCUTEURS
Publication
Application
Priority
- DE 0002478 W 20000728
- DE 19946776 A 19990929
Abstract (en)
[origin: DE19946776A1] The invention relates to a method and device for bi-directional data transfer between at least two communication participants whereby data transfer is attained in one communication direction by altering a current and in another communication direction by altering a voltage. Data transfer in both communication directions to a communication path can be simultaneously in such a way that energy supply for both communications directions is maintained by means of a constant lower voltage and/or current limit or a separate energy supply for each communication participant.
IPC 1-7
IPC 8 full level
H04L 25/49 (2006.01); H04L 5/14 (2006.01); H04L 12/40 (2006.01); H04L 25/02 (2006.01)
CPC (source: EP)
H04L 5/1423 (2013.01)
Citation (search report)
See references of WO 0124441A2
Designated contracting state (EPC)
DE FR GB IT SE
DOCDB simple family (publication)
DE 19946776 A1 20010412; AU 6685400 A 20010430; EP 1221220 A2 20020710; JP 2003527781 A 20030916; WO 0124441 A2 20010405; WO 0124441 A3 20010607
DOCDB simple family (application)
DE 19946776 A 19990929; AU 6685400 A 20000728; DE 0002478 W 20000728; EP 00954377 A 20000728; JP 2001527501 A 20000728