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.)
Automatic Telephone Manufacturing Co Ltd
Original Assignee
Automatic Telephone Manufacturing Co Ltd
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
Priority to BE347291DpriorityCriticalpatent/BE347291A/xx
Application filed by Automatic Telephone Manufacturing Co LtdfiledCriticalAutomatic Telephone Manufacturing Co Ltd
Priority to GB492027Aprioritypatent/GB290744A/en
Publication of GB290744ApublicationCriticalpatent/GB290744A/en
H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
H04M15/10—Metering calls from calling party, i.e. A-party charged for the communication
Landscapes
Engineering & Computer Science
(AREA)
Computer Networks & Wireless Communication
(AREA)
Signal Processing
(AREA)
Pinball Game Machines
(AREA)
GB492027A1927-02-211927-02-21Improvements in electromagnetic operating means for counters
ExpiredGB290744A
(en)