FR2175812B1 - - Google Patents

Info

Publication number
FR2175812B1
FR2175812B1 FR7308293A FR7308293A FR2175812B1 FR 2175812 B1 FR2175812 B1 FR 2175812B1 FR 7308293 A FR7308293 A FR 7308293A FR 7308293 A FR7308293 A FR 7308293A FR 2175812 B1 FR2175812 B1 FR 2175812B1
Authority
FR
France
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.)
Expired
Application number
FR7308293A
Other versions
FR2175812A1 (fr
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2175812A1 publication Critical patent/FR2175812A1/fr
Application granted granted Critical
Publication of FR2175812B1 publication Critical patent/FR2175812B1/fr
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B06GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06BMETHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0644Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element
    • B06B1/0651Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element of circular shape
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00Audible signalling systems; Audible personal calling systems
    • G08B3/10Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K9/00Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/12Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
    • G10K9/122Devices 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)
  • Mechanical Engineering (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Filters And Equalizers (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
FR7308293A 1972-01-30 1973-03-08 Expired FR2175812B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1131172A GB1370164A (en) 1972-01-30 1972-01-30 Piezoelectric transducer

Publications (2)

Publication Number Publication Date
FR2175812A1 FR2175812A1 (fr) 1973-10-26
FR2175812B1 true FR2175812B1 (fr) 1976-05-21

Family

ID=9983923

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7308293A Expired FR2175812B1 (fr) 1972-01-30 1973-03-08

Country Status (7)

Country Link
JP (1) JPS48103258A (fr)
CA (1) CA997055A (fr)
DE (1) DE2310582A1 (fr)
ES (1) ES412456A1 (fr)
FR (1) FR2175812B1 (fr)
GB (1) GB1370164A (fr)
IT (1) IT979752B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1087004A (fr) * 1976-08-11 1980-10-07 Michael J. Hampshire Generateur de son
DE2937922A1 (de) * 1979-09-19 1981-04-09 Siemens AG, 1000 Berlin und 8000 München Piezoelektrischer wandler
US4401089A (en) * 1981-02-09 1983-08-30 Midas International Corporation Ultrasonic transducer
US6959484B1 (en) 1994-01-27 2005-11-01 Cymer, Inc. System for vibration control
US6404107B1 (en) 1994-01-27 2002-06-11 Active Control Experts, Inc. Packaged strain actuator
US6420819B1 (en) * 1994-01-27 2002-07-16 Active Control Experts, Inc. Packaged strain actuator
US6791098B2 (en) 1994-01-27 2004-09-14 Cymer, Inc. Multi-input, multi-output motion control for lithography system
DE102012201884A1 (de) * 2012-02-09 2013-08-14 Robert Bosch Gmbh Schallwandler

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3423543A (en) * 1965-06-24 1969-01-21 Harry W Kompanek Loudspeaker with piezoelectric wafer driving elements
US3761956A (en) * 1970-10-01 1973-09-25 Nittan Co Ltd Sound generating device

Also Published As

Publication number Publication date
IT979752B (it) 1974-09-30
AU5297673A (en) 1974-09-12
FR2175812A1 (fr) 1973-10-26
DE2310582A1 (de) 1973-09-13
GB1370164A (en) 1974-10-16
CA997055A (en) 1976-09-14
JPS48103258A (fr) 1973-12-25
ES412456A1 (es) 1976-01-01

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Legal Events

Date Code Title Description
ST Notification of lapse