FR2022726A1 - - Google Patents

Info

Publication number
FR2022726A1
FR2022726A1 FR6938281A FR6938281A FR2022726A1 FR 2022726 A1 FR2022726 A1 FR 2022726A1 FR 6938281 A FR6938281 A FR 6938281A FR 6938281 A FR6938281 A FR 6938281A FR 2022726 A1 FR2022726 A1 FR 2022726A1
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.)
Withdrawn
Application number
FR6938281A
Other languages
French (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.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of FR2022726A1 publication Critical patent/FR2022726A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0603—Methods 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 piezoelectric bender, e.g. bimorph

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
FR6938281A 1968-11-06 1969-11-06 Withdrawn FR2022726A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US77391468A 1968-11-06 1968-11-06

Publications (1)

Publication Number Publication Date
FR2022726A1 true FR2022726A1 (de) 1970-08-07

Family

ID=25099703

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6938281A Withdrawn FR2022726A1 (de) 1968-11-06 1969-11-06

Country Status (4)

Country Link
DE (2) DE6942867U (de)
FR (1) FR2022726A1 (de)
GB (1) GB1278996A (de)
NL (1) NL168380C (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2455840A1 (fr) * 1979-05-02 1980-11-28 Sony Corp Transducteur electromecanique

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD301685A9 (de) * 1990-07-20 1993-06-24 Nordhausen Fernmeldetech Gmbh Akustisches verbundsystem fuer handapparate
CN108648740A (zh) * 2018-06-22 2018-10-12 肇庆奥迪威传感科技有限公司 蜂鸣器、压电蜂鸣片及其制造方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1042669B (de) * 1957-09-25 1958-11-06 Dual Gebrueder Steidinger Piezoelektrisches Element mit einer Metallfolienbelegung

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1042669B (de) * 1957-09-25 1958-11-06 Dual Gebrueder Steidinger Piezoelektrisches Element mit einer Metallfolienbelegung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2455840A1 (fr) * 1979-05-02 1980-11-28 Sony Corp Transducteur electromecanique

Also Published As

Publication number Publication date
DE1955500A1 (de) 1970-06-11
DE1955500C3 (de) 1973-02-01
DE1955500B2 (de) 1972-07-06
NL168380C (nl) 1982-03-16
GB1278996A (en) 1972-06-21
DE6942867U (de) 1970-04-23
NL6916707A (de) 1970-05-11

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Legal Events

Date Code Title Description
ST Notification of lapse