FR731948A - Perfectionnements aux pick-up - Google Patents

Perfectionnements aux pick-up

Info

Publication number: FR731948A
Authority: FR; France
Prior art keywords: refinements; pick
Prior art date: 1931-04-22
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.)

ELECSON

Original Assignee

ELECSON

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.)

1931-04-22

Filing date

1931-04-22

Publication date

1932-09-10

1931-04-22 Application filed by ELECSON filed Critical ELECSON

1932-09-10 Application granted granted Critical

1932-09-10 Publication of FR731948A publication Critical patent/FR731948A/fr

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R11/00—Transducers of moving-armature or moving-core type
- H04R11/08—Gramophone pick-ups using a stylus; Recorders using a stylus

Landscapes

Physics & Mathematics (AREA)
Electromagnetism (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)

FR731948D 1931-04-22 1931-04-22 Perfectionnements aux pick-up Expired FR731948A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR731948T		1931-04-22

Publications (1)

Publication Number	Publication Date
FR731948A true FR731948A (fr)	1932-09-10

Family

ID=9120173

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR731948D Expired FR731948A (fr)	1931-04-22	1931-04-22	Perfectionnements aux pick-up

Country Status (1)

Country	Link
FR (1)	FR731948A (fr)

1931
- 1931-04-22 FR FR731948D patent/FR731948A/fr not_active Expired

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