CH255843A - Electric telecommunication system. - Google Patents

Electric telecommunication system.

Info

Publication number
CH255843A
CH255843A CH255843DA CH255843A CH 255843 A CH255843 A CH 255843A CH 255843D A CH255843D A CH 255843DA CH 255843 A CH255843 A CH 255843A
Authority
CH
Switzerland
Prior art keywords
telecommunication system
electric telecommunication
electric
telecommunication
Prior art date
Application number
Other languages
German (de)
Inventor
Ag Standard Telephon Und Radio
Original Assignee
Standard Telephon & Radio 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 Standard Telephon & Radio Ag filed Critical Standard Telephon & Radio Ag
Publication of CH255843A publication Critical patent/CH255843A/en

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
    • H04M15/08—Metering calls to called party, i.e. B-party charged for the communication
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Devices For Supply Of Signal Current (AREA)
CH255843D 1941-08-21 1942-07-28 Electric telecommunication system. CH255843A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL255843X 1941-08-21

Publications (1)

Publication Number Publication Date
CH255843A true CH255843A (en) 1948-07-15

Family

ID=19781301

Family Applications (1)

Application Number Title Priority Date Filing Date
CH255843D CH255843A (en) 1941-08-21 1942-07-28 Electric telecommunication system.

Country Status (6)

Country Link
US (1) US2440277A (en)
BE (1) BE447417A (en)
CH (1) CH255843A (en)
FR (1) FR885486A (en)
GB (1) GB597688A (en)
NL (1) NL59752C (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2535513A (en) * 1946-02-23 1950-12-26 Automatic Elect Lab Testing device for line identifying equipment
GB614177A (en) * 1946-05-25 1948-12-10 Automatic Telephone & Elect Improvements in or relating to electrical signalling systems
BE473455A (en) * 1946-07-25
US2619545A (en) * 1947-06-13 1952-11-25 Bell Telephone Labor Inc Telephone calling line identification and recording system
US2570971A (en) * 1947-11-14 1951-10-09 Bell Telephone Labor Inc Vertical line number translator
US2535446A (en) * 1948-06-16 1950-12-26 Bell Telephone Labor Inc Carrier communication system
US2554149A (en) * 1948-07-08 1951-05-22 Bell Telephone Labor Inc Translator for calling line identification
US2879338A (en) * 1953-02-09 1959-03-24 Bell Telephone Labor Inc Identification system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1944244A (en) * 1930-12-06 1934-01-23 Bell Telephone Labor Inc Telephone system
US1846261A (en) * 1931-04-11 1932-02-23 American Telephone & Telegraph Telephone system
US1846516A (en) * 1931-06-05 1932-02-23 American Telephone & Telegraph Telephone system
US2222099A (en) * 1938-11-07 1940-11-19 Fides Ges Fur Verwaltung Und V Telephone system
NL67277C (en) * 1939-09-21
USRE23388E (en) * 1940-09-20 1951-07-10 Line identification circuit for

Also Published As

Publication number Publication date
US2440277A (en) 1948-04-27
GB597688A (en) 1948-02-02
NL59752C (en)
FR885486A (en) 1943-09-16
BE447417A (en)

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