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.)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filedfiledCritical
Priority to JP6123377ApriorityCriticalpatent/JPS53147411A/ja
Publication of JPS53147411ApublicationCriticalpatent/JPS53147411A/ja
Publication of JPS5753022B2publicationCriticalpatent/JPS5753022B2/ja
H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
Landscapes
Engineering & Computer Science
(AREA)
Computer Networks & Wireless Communication
(AREA)
Signal Processing
(AREA)
Meter Arrangements
(AREA)
Prepayment Telephone Systems
(AREA)
Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges
(AREA)
JP6123377A1977-05-271977-05-27Transmission system for charging signal
GrantedJPS53147411A
(en)
