BE611732A - Sonnerie de faible volume - Google Patents

Sonnerie de faible volume

Info

Publication number
BE611732A
BE611732A BE611732A BE611732A BE611732A BE 611732 A BE611732 A BE 611732A BE 611732 A BE611732 A BE 611732A BE 611732 A BE611732 A BE 611732A BE 611732 A BE611732 A BE 611732A
Authority
BE
Belgium
Prior art keywords
low volume
volume ringtone
ringtone
low
volume
Prior art date
Application number
BE611732A
Other languages
English (en)
Inventor
Walter Kalin
Robert Allen Spencer
Original Assignee
Western Electric Co
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 Western Electric Co filed Critical Western Electric Co
Publication of BE611732A publication Critical patent/BE611732A/fr

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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Electromagnets (AREA)
  • Breakers (AREA)
  • Magnetic Treatment Devices (AREA)
BE611732A 1960-12-27 1961-12-19 Sonnerie de faible volume BE611732A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US78614A US3116481A (en) 1960-12-27 1960-12-27 Electromagnetically operated polarized bell ringer

Publications (1)

Publication Number Publication Date
BE611732A true BE611732A (fr) 1962-04-16

Family

ID=22145176

Family Applications (1)

Application Number Title Priority Date Filing Date
BE611732A BE611732A (fr) 1960-12-27 1961-12-19 Sonnerie de faible volume

Country Status (3)

Country Link
US (1) US3116481A (fr)
BE (1) BE611732A (fr)
GB (1) GB1008539A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3317871A (en) * 1965-09-20 1967-05-02 Leach Corp Magnetically operated actuator
US3623064A (en) * 1968-10-11 1971-11-23 Bell & Howell Co Paging receiver having cycling eccentric mass
BE786006A (fr) * 1971-07-07 1973-01-08 Siemens Ag Circuit magnetique de relais polarise
US3768087A (en) * 1972-06-23 1973-10-23 Mallory & Co Inc P R Intrusion detecting alarm system
US3968470A (en) * 1975-03-13 1976-07-06 Esterline Electronics Corporation Magnetic motor
US4040051A (en) * 1976-11-04 1977-08-02 Bell Telephone Laboratories, Incorporated Electromagnetically operated audible signal generator
JPH08216874A (ja) * 1995-02-15 1996-08-27 Tsubakimoto Chain Co トロリーコンベヤのキャリヤの逆走防止装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2773223A (en) * 1955-05-16 1956-12-04 Gen Dynamics Corp High impedance telephone substation ringer

Also Published As

Publication number Publication date
GB1008539A (en) 1965-10-27
US3116481A (en) 1963-12-31

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