NL58889C - - Google Patents

Info

Publication number
NL58889C
NL58889C NL58889DA NL58889C NL 58889 C NL58889 C NL 58889C NL 58889D A NL58889D A NL 58889DA NL 58889 C NL58889 C NL 58889C
Authority
NL
Netherlands
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 NL58889C publication Critical patent/NL58889C/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
    • H04M15/08—Metering calls to called party, i.e. B-party charged for the communication

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
NL58889D 1941-04-25 NL58889C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL252927X 1941-04-25

Publications (1)

Publication Number Publication Date
NL58889C true NL58889C (en)

Family

ID=19781183

Family Applications (1)

Application Number Title Priority Date Filing Date
NL58889D NL58889C (en) 1941-04-25

Country Status (4)

Country Link
US (1) US2454770A (en)
CH (1) CH252927A (en)
FR (1) FR881537A (en)
NL (1) NL58889C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2454770A (en) * 1941-04-25 1948-11-30 Int Standard Electric Corp Identification circuit arrangement for automatic or semiautomatic telephone systems

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE473455A (en) * 1946-07-25
US2554149A (en) * 1948-07-08 1951-05-22 Bell Telephone Labor Inc Translator for calling line identification
US2604540A (en) * 1949-09-13 1952-07-22 Bell Telephone Labor Inc Calling line identification for automatic ticketing systems
US2875092A (en) * 1956-04-20 1959-02-24 Du Pont Process for chemically bonding a coating to an organic polymer substrate

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1846516A (en) * 1931-06-05 1932-02-23 American Telephone & Telegraph Telephone system
US2284870A (en) * 1940-09-20 1942-06-02 Bell Telephone Labor Inc Telephone system
BE477685A (en) * 1940-09-20
NL58889C (en) * 1941-04-25

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2454770A (en) * 1941-04-25 1948-11-30 Int Standard Electric Corp Identification circuit arrangement for automatic or semiautomatic telephone systems

Also Published As

Publication number Publication date
US2454770A (en) 1948-11-30
FR881537A (en) 1943-04-28
CH252927A (en) 1948-01-31

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