FR1046848A - Electro-acoustic device - Google Patents

Electro-acoustic device

Info

Publication number
FR1046848A
FR1046848A FR1046848DA FR1046848A FR 1046848 A FR1046848 A FR 1046848A FR 1046848D A FR1046848D A FR 1046848DA FR 1046848 A FR1046848 A FR 1046848A
Authority
FR
France
Prior art keywords
electro
acoustic device
acoustic
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.)
Expired
Application number
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.)
Brush Development Co
Original Assignee
Brush Development Co
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 Brush Development Co filed Critical Brush Development Co
Application granted granted Critical
Publication of FR1046848A publication Critical patent/FR1046848A/en
Expired 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
    • B06B1/0607—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 multiple elements
    • B06B1/0622—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 multiple elements on one surface
    • B06B1/0629—Square array

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR1046848D 1950-09-23 1951-09-21 Electro-acoustic device Expired FR1046848A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1046848XA 1950-09-23 1950-09-23

Publications (1)

Publication Number Publication Date
FR1046848A true FR1046848A (en) 1953-12-09

Family

ID=22301813

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1046848D Expired FR1046848A (en) 1950-09-23 1951-09-21 Electro-acoustic device

Country Status (1)

Country Link
FR (1) FR1046848A (en)

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