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 JP1832476ApriorityCriticalpatent/JPS52101903A/ja
Publication of JPS52101903ApublicationCriticalpatent/JPS52101903A/ja
Publication of JPS5645471B2publicationCriticalpatent/JPS5645471B2/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)
JP1832476A1976-02-211976-02-21Forecasting tone sending method
GrantedJPS52101903A
(en)
