BE566672A - - Google Patents

Info

Publication number
BE566672A
BE566672A BE566672DA BE566672A BE 566672 A BE566672 A BE 566672A BE 566672D A BE566672D A BE 566672DA BE 566672 A BE566672 A BE 566672A
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 BE566672A publication Critical patent/BE566672A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/50—Centralised arrangements for answering calls; Centralised arrangements for recording messages for absent or busy subscribers ; Centralised arrangements for recording messages
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/487—Arrangements for providing information services, e.g. recorded voice services or time announcements
    • H04M3/4872—Non-interactive information services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/54—Arrangements for diverting calls for one subscriber to another predetermined subscriber

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
BE566672D 1957-05-14 BE566672A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US659063A US2966551A (en) 1957-05-14 1957-05-14 Public announcing system

Publications (1)

Publication Number Publication Date
BE566672A true BE566672A (zh)

Family

ID=24643879

Family Applications (1)

Application Number Title Priority Date Filing Date
BE566672D BE566672A (zh) 1957-05-14

Country Status (2)

Country Link
US (1) US2966551A (zh)
BE (1) BE566672A (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3111561A (en) * 1959-11-23 1963-11-19 American Telephone & Telegraph Intercept equipment
US3199226A (en) * 1961-09-29 1965-08-10 Chester Electronic Lab Inc Teaching machine

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2385968A (en) * 1945-10-02 Telephone exchange system
US1670252A (en) * 1920-09-22 1928-05-15 Automatic Electric Inc Automatic telephone system
US2207855A (en) * 1938-12-03 1940-07-16 John L Franklin Phonographic announcing mechanism and system
US2213511A (en) * 1939-10-31 1940-09-03 Bell Telephone Labor Inc Telephone system
US2764636A (en) * 1952-02-27 1956-09-25 Bell Telephone Labor Inc Dial telephone system arranged for operator or machine announcement on intercepted calls
US2774822A (en) * 1952-08-02 1956-12-18 Bell Telephone Labor Inc Communication system
US2833863A (en) * 1953-01-13 1958-05-06 Nederlanden Staat Recoding equipment in an automatic communication system

Also Published As

Publication number Publication date
US2966551A (en) 1960-12-27

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