BE483203A - - Google Patents

Info

Publication number
BE483203A
BE483203A BE483203DA BE483203A BE 483203 A BE483203 A BE 483203A BE 483203D A BE483203D A BE 483203DA BE 483203 A BE483203 A BE 483203A
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 BE483203A publication Critical patent/BE483203A/xx

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K1/00—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs
    • G10K1/06—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube
    • G10K1/062—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube electrically operated
    • G10K1/063—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube electrically operated the sounding member being a bell
    • G10K1/064—Operating or striking mechanisms therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electromagnets (AREA)
BE483203D 1947-06-14 BE483203A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH2502273X 1947-06-14

Publications (1)

Publication Number Publication Date
BE483203A true BE483203A (enrdf_load_html_response)

Family

ID=4569689

Family Applications (1)

Application Number Title Priority Date Filing Date
BE483203D BE483203A (enrdf_load_html_response) 1947-06-14

Country Status (6)

Country Link
US (1) US2502273A (enrdf_load_html_response)
BE (1) BE483203A (enrdf_load_html_response)
CH (1) CH268993A (enrdf_load_html_response)
DE (1) DE836202C (enrdf_load_html_response)
FR (1) FR971292A (enrdf_load_html_response)
NL (1) NL71904C (enrdf_load_html_response)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2756372A (en) * 1953-01-28 1956-07-24 Teletype Corp Telegraph selector magnet device
US2863951A (en) * 1954-12-24 1958-12-09 Int Standard Electric Corp Combined telephone ringing and induction coil arrangement
BE558459A (enrdf_load_html_response) * 1956-06-19
GB2081486B (en) * 1980-07-30 1983-11-02 Philips Electronic Associated Telephone bell assembly
US7528312B1 (en) * 2007-02-21 2009-05-05 Digiovanni Stephen Drum for striking upwardly and method therefor

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US409675A (en) * 1889-08-27 Stephen dudley field
US1386690A (en) * 1921-08-09 Gttstavtts c
US980613A (en) * 1909-07-31 1911-01-03 Dean Electric Co Telephone system.
US1162069A (en) * 1915-05-10 1915-11-30 Western Electric Co Telephone system.
US1484396A (en) * 1920-12-22 1924-02-19 Western Electric Co Telephone system
US1872257A (en) * 1930-12-05 1932-08-16 James D Durkee Radio alarm system
US1896196A (en) * 1931-02-05 1933-02-07 American Telephone & Telegraph Telephone substation apparatus
DE654405C (de) * 1933-04-11 1937-12-22 Rupert Evan Howard Carpenter Polarisierte elektromagnetische Vorrichtung mit schwingendem Anker
CH174218A (de) * 1933-04-11 1934-12-31 Siemens Ag Polarisiertes Relais.
US2268612A (en) * 1937-10-11 1942-01-06 Askania Werke Ag Follow-up device

Also Published As

Publication number Publication date
FR971292A (fr) 1951-01-15
NL71904C (enrdf_load_html_response)
US2502273A (en) 1950-03-28
CH268993A (de) 1950-06-15
DE836202C (de) 1952-04-10

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