GB486802A - Circuit arrangement for automatic telephone systems for metering connections of different grades according to time and zone - Google Patents

Circuit arrangement for automatic telephone systems for metering connections of different grades according to time and zone

Info

Publication number
GB486802A
GB486802A GB4304/37A GB430437A GB486802A GB 486802 A GB486802 A GB 486802A GB 4304/37 A GB4304/37 A GB 4304/37A GB 430437 A GB430437 A GB 430437A GB 486802 A GB486802 A GB 486802A
Authority
GB
United Kingdom
Prior art keywords
relay
switch
zone
group
junctions
Prior art date
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.)
Expired
Application number
GB4304/37A
Other languages
English (en)
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.)
Mix und Genest AG
Original Assignee
Mix und Genest AG
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 filed by Mix und Genest AG filed Critical Mix und Genest AG
Publication of GB486802A publication Critical patent/GB486802A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • 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)
  • Meter Arrangements (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
GB4304/37A 1936-02-13 1937-02-12 Circuit arrangement for automatic telephone systems for metering connections of different grades according to time and zone Expired GB486802A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE486802X 1936-02-13

Publications (1)

Publication Number Publication Date
GB486802A true GB486802A (en) 1938-06-10

Family

ID=6543504

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4304/37A Expired GB486802A (en) 1936-02-13 1937-02-12 Circuit arrangement for automatic telephone systems for metering connections of different grades according to time and zone

Country Status (3)

Country Link
FR (1) FR817755A (en:Method)
GB (1) GB486802A (en:Method)
NL (1) NL47550C (en:Method)

Also Published As

Publication number Publication date
FR817755A (fr) 1937-09-10
NL47550C (en:Method)

Similar Documents

Publication Publication Date Title
GB368716A (en) Improvements in or relating to telephone systems
GB486802A (en) Circuit arrangement for automatic telephone systems for metering connections of different grades according to time and zone
US2013171A (en) Measured service telephone system
GB694915A (en) Improvements in or relating to automatic exchange systems
US2708691A (en) Answer time delay register circuit
US2043674A (en) Calling device
GB511189A (en) Improvements in and relating to telephone installations
US2370239A (en) Special service telephone system
US2697133A (en) Automatic telephone system of the measured-service type
US2289745A (en) Metering equipment for telecommunication exchange systems
US2843672A (en) Automatic telephone system
US2006472A (en) Testing system
US1726983A (en) Automatic telephone system
GB391861A (en) Improvements in or relating to telephone systems
US2458262A (en) Relay selector circuit arranged to simultaneously test a selected group of trunks
US3046349A (en) Station identification apparatus
US1857848A (en) Communication system
GB354858A (en) Improvements in or relating to telephone systems
GB776026A (en) Traffic supervisory arrangements in telephone systems
US2525417A (en) Selector switch metering circuit
US1556727A (en) Traffic recorder for telephone systems
GB490202A (en) Circuit arrangement for the metering of different grades of connection in automatic telephone systems
GB350912A (en) Improvements in or relating to telephone systems
GB380788A (en) Apparatus for the remote control and supervision of adjustable members in a sub-station from a main station
US1851185A (en) Telephone system