JPS5046295A - - Google Patents

Info

Publication number
JPS5046295A
JPS5046295A JP49091412A JP9141274A JPS5046295A JP S5046295 A JPS5046295 A JP S5046295A JP 49091412 A JP49091412 A JP 49091412A JP 9141274 A JP9141274 A JP 9141274A JP S5046295 A JPS5046295 A JP S5046295A
Authority
JP
Japan
Legal status (The legal status 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 status listed.)
Pending
Application number
JP49091412A
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 filed Critical
Publication of JPS5046295A publication Critical patent/JPS5046295A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
    • 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
    • G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
    • G10K9/122—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using piezoelectric driving means
    • 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
    • G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/18—Details, e.g. bulbs, pumps, pistons, switches or casings
    • G10K9/22—Mountings; Casings

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Alarm Systems (AREA)
  • Electromechanical Clocks (AREA)
JP49091412A 1973-08-09 1974-08-09 Pending JPS5046295A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US38694073A 1973-08-09 1973-08-09

Publications (1)

Publication Number Publication Date
JPS5046295A true JPS5046295A (ja) 1975-04-24

Family

ID=23527734

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49091412A Pending JPS5046295A (ja) 1973-08-09 1974-08-09

Country Status (6)

Country Link
JP (1) JPS5046295A (ja)
BR (1) BR7405910D0 (ja)
DE (2) DE7426907U (ja)
FR (1) FR2240489B3 (ja)
GB (1) GB1435668A (ja)
IT (1) IT1016769B (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50133076U (ja) * 1974-04-16 1975-11-01
JPS50133074U (ja) * 1974-04-16 1975-11-01
JPS50133075U (ja) * 1974-04-16 1975-11-01
JPS52166481U (ja) * 1976-06-09 1977-12-16

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1087004A (en) * 1976-08-11 1980-10-07 Michael J. Hampshire Sound generator
DE3230060C2 (de) * 1981-07-31 1986-07-31 Sumitomo Electric Industries, Ltd., Osaka Piezoelektrischer Summer
US4935909A (en) * 1986-12-10 1990-06-19 Emhart Industries Inc. Piezoelectric signaling device
DE19626293A1 (de) * 1996-07-01 1998-01-08 Teves Gmbh Alfred Ultraschallwandler mit Kontaktglied
DE102008023982A1 (de) * 2008-05-16 2009-12-03 Vemac Gmbh & Co. Kg Schaltung zur Steuerung kapazitiv beeinflussbarer Lasten

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4716384B1 (ja) * 1967-06-21 1972-05-15
JPS4725929B1 (ja) * 1965-06-24 1972-07-14

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4725929B1 (ja) * 1965-06-24 1972-07-14
JPS4716384B1 (ja) * 1967-06-21 1972-05-15

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50133076U (ja) * 1974-04-16 1975-11-01
JPS50133074U (ja) * 1974-04-16 1975-11-01
JPS50133075U (ja) * 1974-04-16 1975-11-01
JPS52166481U (ja) * 1976-06-09 1977-12-16
JPS5526955Y2 (ja) * 1976-06-09 1980-06-27

Also Published As

Publication number Publication date
BR7405910D0 (pt) 1975-05-27
DE7426907U (de) 1977-11-03
DE2438057A1 (de) 1975-03-06
FR2240489A1 (ja) 1975-03-07
GB1435668A (en) 1976-05-12
IT1016769B (it) 1977-06-20
FR2240489B3 (ja) 1977-06-03

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