BE464785A - - Google Patents

Info

Publication number
BE464785A
BE464785A BE464785DA BE464785A BE 464785 A BE464785 A BE 464785A BE 464785D A BE464785D A BE 464785DA BE 464785 A BE464785 A BE 464785A
Authority
BE
Belgium
Application number
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.)
Publication of BE464785A publication Critical patent/BE464785A/xx

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
    • H04M15/04—Recording calls, or communications in printed, perforated or other permanent form
    • 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)
  • Radio Relay Systems (AREA)
  • Meter Arrangements (AREA)
BE464785D 1939-07-26 BE464785A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB21780/39A GB531581A (en) 1939-07-26 1939-07-26 Improvements in or relating to automatic or semi-automatic telephone systems

Publications (1)

Publication Number Publication Date
BE464785A true BE464785A (en:Method)

Family

ID=10168672

Family Applications (1)

Application Number Title Priority Date Filing Date
BE464785D BE464785A (en:Method) 1939-07-26

Country Status (3)

Country Link
US (1) US2588684A (en:Method)
BE (1) BE464785A (en:Method)
GB (1) GB531581A (en:Method)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2956127A (en) * 1954-12-08 1960-10-11 North Electric Co Automatic telephone system
US4294498A (en) * 1979-10-17 1981-10-13 Luit Richard D Van Wall cabinet and method of making

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2305779A (en) * 1936-04-18 1942-12-22 Hebel Martin Telephone charging device
NL54049C (en:Method) * 1938-01-25
US2253596A (en) * 1938-04-01 1941-08-26 Western Electric Co Electrical calculating equipment for telephone systems
US2273165A (en) * 1938-04-06 1942-02-17 Western Electric Co Tariff determining equipment for telephone systems
GB516409A (en) * 1938-06-14 1940-01-01 Justin Erwin Pollak Improvements in or relating to automatic or semi-automatic telephone systems
US2272475A (en) * 1938-06-14 1942-02-10 Associated Electric Lab Inc Telephone system
ES2359204B1 (es) * 2009-11-09 2012-03-26 Universitat Rovira I Virgili Dispositivo para la detección selectiva de gas benceno, procedimiento para su obtención y detección del gas con el mismo.

Also Published As

Publication number Publication date
GB531581A (en) 1941-01-07
US2588684A (en) 1952-03-11

Similar Documents

Publication Publication Date Title
FR849482A (en:Method)
FR49546E (en:Method)
BE436007A (en:Method)
BE435664A (en:Method)
BE434647A (en:Method)
BE434556A (en:Method)
BE434526A (en:Method)
BE434444A (en:Method)
BE433599A (en:Method)
BE434375A (en:Method)
BE434030A (en:Method)
BE433998A (en:Method)
BE433994A (en:Method)
BE433856A (en:Method)
BE433845A (en:Method)
BE433833A (en:Method)
NL82611C (en:Method)
NL60039C (en:Method)
NL57495C (en:Method)
NL52125C (en:Method)
BE433615A (en:Method)
BE433708A (en:Method)
BE433626A (en:Method)
BE531925A (en:Method)
BE453062A (en:Method)