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Publication date
Application filedfiledCritical
Priority to NL7200986ApriorityCriticalpatent/NL154896B/xx
Publication of NL7200986ApublicationCriticalpatent/NL7200986A/xx
Publication of NL154896BpublicationCriticalpatent/NL154896B/xx
H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
H04L13/00—Details of the apparatus or circuits covered by groups H04L15/00 or H04L17/00
H04L13/16—Details of the apparatus or circuits covered by groups H04L15/00 or H04L17/00 of transmitters, e.g. code-bars, code-discs
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04M—TELEPHONIC COMMUNICATION
H04M1/00—Substation equipment, e.g. for use by subscribers
H04M1/26—Devices for calling a subscriber
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Engineering & Computer Science
(AREA)
Signal Processing
(AREA)
Computer Networks & Wireless Communication
(AREA)
NL7200986A1972-01-251972-01-25Inrichting ter voorkoming van het zenden van een ongewenst signaal ten gevolge van het gelijktijdig bedienen van meer dan een datasignaalgever.
NL154896B
(nl)