BR7805997A - Campainha de corrente alternada para aparelho telefonico - Google Patents

Campainha de corrente alternada para aparelho telefonico

Info

Publication number
BR7805997A
BR7805997A BR7805997A BR7805997A BR7805997A BR 7805997 A BR7805997 A BR 7805997A BR 7805997 A BR7805997 A BR 7805997A BR 7805997 A BR7805997 A BR 7805997A BR 7805997 A BR7805997 A BR 7805997A
Authority
BR
Brazil
Prior art keywords
telephone appliance
alternating chain
alternating
chain
appliance
Prior art date
Application number
BR7805997A
Other languages
English (en)
Portuguese (pt)
Inventor
A Geese
H Gerlach
Original Assignee
Siemens 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 Siemens Ag filed Critical Siemens Ag
Publication of BR7805997A publication Critical patent/BR7805997A/pt

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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electromagnets (AREA)
BR7805997A 1977-09-15 1978-09-14 Campainha de corrente alternada para aparelho telefonico BR7805997A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772741573 DE2741573A1 (de) 1977-09-15 1977-09-15 Wechselstromwecker fuer fernsprechgeraete

Publications (1)

Publication Number Publication Date
BR7805997A true BR7805997A (pt) 1979-04-24

Family

ID=6019041

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7805997A BR7805997A (pt) 1977-09-15 1978-09-14 Campainha de corrente alternada para aparelho telefonico

Country Status (4)

Country Link
BR (1) BR7805997A (de)
DE (1) DE2741573A1 (de)
GR (1) GR71731B (de)
IT (1) IT1098569B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2949945C2 (de) * 1979-12-12 1982-03-04 Deutsche Fernsprecher Gesellschaft Mbh Marburg, 3550 Marburg Polarisierter Wecker

Also Published As

Publication number Publication date
GR71731B (de) 1983-06-22
IT7827591A0 (it) 1978-09-13
DE2741573A1 (de) 1979-03-29
IT1098569B (it) 1985-09-07

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