FR1046848A - Dispositif électro-acoustique - Google Patents

Dispositif électro-acoustique

Info

Publication number: FR1046848A
Authority: FR; France
Prior art keywords: electro; acoustic device; acoustic
Prior art date: 1950-09-23
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

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.)

1950-09-23

Filing date

1951-09-21

Publication date

1953-12-09

1951-09-21 Application filed by Brush Development Co filed Critical Brush Development Co

1953-12-09 Application granted granted Critical

1953-12-09 Publication of FR1046848A publication Critical patent/FR1046848A/fr

Status Expired legal-status Critical Current

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 Dispositif électro-acoustique Expired FR1046848A (fr)

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 (fr)	1953-12-09

Family

ID=22301813

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR1046848D Expired FR1046848A (fr)	1950-09-23	1951-09-21	Dispositif électro-acoustique

Country Status (1)

Country	Link
FR (1)	FR1046848A (fr)

1951
- 1951-09-21 FR FR1046848D patent/FR1046848A/fr not_active Expired

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