BE486473A - - Google Patents

Info

Publication number
BE486473A
BE486473A BE486473DA BE486473A BE 486473 A BE486473 A BE 486473A BE 486473D A BE486473D A BE 486473DA BE 486473 A BE486473 A BE 486473A
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 BE486473A publication Critical patent/BE486473A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/02—Telephonic communication systems specially adapted for combination with other electrical systems with bell or annunciator systems
    • H04M11/022—Paging systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Interface Circuits In Exchanges (AREA)
BE486473D 1947-12-30 BE486473A (en])

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US794482A US2571250A (en) 1947-12-30 1947-12-30 Party line selective signaling system having code call

Publications (1)

Publication Number Publication Date
BE486473A true BE486473A (en])

Family

ID=25162753

Family Applications (1)

Application Number Title Priority Date Filing Date
BE486473D BE486473A (en]) 1947-12-30

Country Status (4)

Country Link
US (1) US2571250A (en])
BE (1) BE486473A (en])
FR (1) FR977905A (en])
GB (1) GB666500A (en])

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2707725A (en) * 1952-02-13 1955-05-03 Stromberg Carlson Co Reverting call system
US2896023A (en) * 1953-08-13 1959-07-21 Gen Telephone Lab Inc Reverting call telephone system
US3267219A (en) * 1963-02-25 1966-08-16 Webster Electric Co Inc Paging system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1732186A (en) * 1929-10-15 wicks
US1546113A (en) * 1923-08-27 1925-07-14 Western Electric Co Telephone system
US1889229A (en) * 1931-01-23 1932-11-29 Associated Electric Lab Inc Telephone system
US1877883A (en) * 1931-10-19 1932-09-20 Associated Electric Lab Inc Automatic telephone system
US2137518A (en) * 1937-05-15 1938-11-22 Associated Electric Lab Inc Telephone system
US2239902A (en) * 1938-10-03 1941-04-29 Associated Electric Lab Inc Telephone system
US2322966A (en) * 1939-01-11 1943-06-29 Tokheim Oil Tank & Pump Co Liquid dispenser
GB571994A (en) * 1944-01-22 1945-09-18 Automatic Telephone & Elect Improvements in or relating to telephone or like systems

Also Published As

Publication number Publication date
US2571250A (en) 1951-10-16
FR977905A (fr) 1951-04-06
GB666500A (en) 1952-02-13

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