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IT1098569B - Suoneria a corrente alternata per apparecchi telefonici - Google Patents

Suoneria a corrente alternata per apparecchi telefonici

Info

Publication number
IT1098569B
IT1098569B IT27591/78A IT2759178A IT1098569B IT 1098569 B IT1098569 B IT 1098569B IT 27591/78 A IT27591/78 A IT 27591/78A IT 2759178 A IT2759178 A IT 2759178A IT 1098569 B IT1098569 B IT 1098569B
Authority
IT
Italy
Prior art keywords
alternating current
telephone devices
current ringtone
ringtone
telephone
Prior art date
Application number
IT27591/78A
Other languages
English (en)
Other versions
IT7827591A0 (it
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 IT7827591A0 publication Critical patent/IT7827591A0/it
Application granted granted Critical
Publication of IT1098569B publication Critical patent/IT1098569B/it

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)
IT27591/78A 1977-09-15 1978-09-13 Suoneria a corrente alternata per apparecchi telefonici IT1098569B (it)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
IT7827591A0 IT7827591A0 (it) 1978-09-13
IT1098569B true IT1098569B (it) 1985-09-07

Family

ID=6019041

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27591/78A IT1098569B (it) 1977-09-15 1978-09-13 Suoneria a corrente alternata per apparecchi telefonici

Country Status (4)

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

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
BR7805997A (pt) 1979-04-24
IT7827591A0 (it) 1978-09-13
DE2741573A1 (de) 1979-03-29
GR71731B (it) 1983-06-22

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