DE3502501A1 - Mehrtongeber, insbesondere fuer fernsprechapparate - Google Patents

Mehrtongeber, insbesondere fuer fernsprechapparate

Info

Publication number
DE3502501A1
DE3502501A1 DE19853502501 DE3502501A DE3502501A1 DE 3502501 A1 DE3502501 A1 DE 3502501A1 DE 19853502501 DE19853502501 DE 19853502501 DE 3502501 A DE3502501 A DE 3502501A DE 3502501 A1 DE3502501 A1 DE 3502501A1
Authority
DE
Germany
Prior art keywords
projections
tone generator
ring
generator according
radial direction
Prior art date
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.)
Granted
Application number
DE19853502501
Other languages
German (de)
English (en)
Other versions
DE3502501C2 (enExample
Inventor
Udo Dipl.-Ing. 8939 Holzhausen Löser
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WIDMAIER FA HANS
Hans Widmaier Fabrik fuer Apparate der Fernmelde und Feinwerktechnik ek
Original Assignee
WIDMAIER FA HANS
Hans Widmaier Fabrik fuer Apparate der Fernmelde und Feinwerktechnik ek
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 WIDMAIER FA HANS, Hans Widmaier Fabrik fuer Apparate der Fernmelde und Feinwerktechnik ek filed Critical WIDMAIER FA HANS
Priority to DE19853502501 priority Critical patent/DE3502501A1/de
Publication of DE3502501A1 publication Critical patent/DE3502501A1/de
Application granted granted Critical
Publication of DE3502501C2 publication Critical patent/DE3502501C2/de
Granted legal-status Critical Current

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
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
DE19853502501 1985-01-25 1985-01-25 Mehrtongeber, insbesondere fuer fernsprechapparate Granted DE3502501A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19853502501 DE3502501A1 (de) 1985-01-25 1985-01-25 Mehrtongeber, insbesondere fuer fernsprechapparate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19853502501 DE3502501A1 (de) 1985-01-25 1985-01-25 Mehrtongeber, insbesondere fuer fernsprechapparate

Publications (2)

Publication Number Publication Date
DE3502501A1 true DE3502501A1 (de) 1986-07-31
DE3502501C2 DE3502501C2 (enExample) 1993-01-14

Family

ID=6260783

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19853502501 Granted DE3502501A1 (de) 1985-01-25 1985-01-25 Mehrtongeber, insbesondere fuer fernsprechapparate

Country Status (1)

Country Link
DE (1) DE3502501A1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19922148C2 (de) * 1998-06-11 2003-11-13 Murata Manufacturing Co Piezoelektrisches akustisches Bauteil
EP1501074A3 (en) * 2003-07-24 2007-03-07 Taiyo Yuden Co., Ltd. Piezoelectric vibrator

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE844466C (de) * 1951-02-14 1952-07-21 Saba Gmbh Einspannvorrichtung fuer Membranen
DE3347541A1 (de) * 1983-12-30 1985-07-11 Fernsprech- und Signalbaugesellschaft mbH Schüler & Vershoven, 4300 Essen Elektroakustischer wandler, insbesondere fuer fernsprechzwecke

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE844466C (de) * 1951-02-14 1952-07-21 Saba Gmbh Einspannvorrichtung fuer Membranen
DE3347541A1 (de) * 1983-12-30 1985-07-11 Fernsprech- und Signalbaugesellschaft mbH Schüler & Vershoven, 4300 Essen Elektroakustischer wandler, insbesondere fuer fernsprechzwecke

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19922148C2 (de) * 1998-06-11 2003-11-13 Murata Manufacturing Co Piezoelektrisches akustisches Bauteil
EP1501074A3 (en) * 2003-07-24 2007-03-07 Taiyo Yuden Co., Ltd. Piezoelectric vibrator

Also Published As

Publication number Publication date
DE3502501C2 (enExample) 1993-01-14

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee