FR2001797A1 - - Google Patents

Info

Publication number
FR2001797A1
FR2001797A1 FR6903282A FR6903282A FR2001797A1 FR 2001797 A1 FR2001797 A1 FR 2001797A1 FR 6903282 A FR6903282 A FR 6903282A FR 6903282 A FR6903282 A FR 6903282A FR 2001797 A1 FR2001797 A1 FR 2001797A1
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Withdrawn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
FR6903282A
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.)
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 FR2001797A1 publication Critical patent/FR2001797A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/17—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
    • H03H9/178—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator of a laminated structure of multiple piezoelectric layers with inner electrodes
    • 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
    • B06B1/0644—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 single piezoelectric element
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/0084—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring voltage only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/17—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
    • H03H9/176—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator consisting of ceramic material
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Signal Processing (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
FR6903282A 1968-02-13 1969-02-12 Withdrawn FR2001797A1 (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB714068A GB1208154A (en) 1968-02-13 1968-02-13 Improvements in or relating to acoustical transducers

Publications (1)

Publication Number Publication Date
FR2001797A1 true FR2001797A1 (enrdf_load_html_response) 1969-10-03

Family

ID=9827382

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6903282A Withdrawn FR2001797A1 (enrdf_load_html_response) 1968-02-13 1969-02-12

Country Status (3)

Country Link
DE (1) DE1906080A1 (enrdf_load_html_response)
FR (1) FR2001797A1 (enrdf_load_html_response)
GB (1) GB1208154A (enrdf_load_html_response)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2498405A1 (fr) * 1981-01-16 1982-07-23 Thomson Csf Hydrophone a lame piezoelectrique mince
EP0110378A2 (en) 1982-11-29 1984-06-13 Kabushiki Kaisha Toshiba Ultrasonic probe

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108787407B (zh) * 2018-05-31 2023-08-18 河南理工大学 单激励匹配式变螺旋纵-扭复合超声振动加工方法及装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2498405A1 (fr) * 1981-01-16 1982-07-23 Thomson Csf Hydrophone a lame piezoelectrique mince
EP0110378A2 (en) 1982-11-29 1984-06-13 Kabushiki Kaisha Toshiba Ultrasonic probe
EP0110378A3 (en) * 1982-11-29 1985-05-15 Kabushiki Kaisha Toshiba Ultrasonic probe

Also Published As

Publication number Publication date
DE1906080A1 (de) 1969-09-11
GB1208154A (en) 1970-10-07

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Legal Events

Date Code Title Description
ST Notification of lapse