FR783609A - Advanced microphone - Google Patents

Advanced microphone

Info

Publication number: FR783609A
Authority: FR; France
Prior art keywords: microphone; advanced; advanced microphone
Prior art date: 1935-01-02
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.)

LAILLIER ETS

Original Assignee

LAILLIER ETS

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.)

1935-01-02

Filing date

1935-01-02

Publication date

1935-07-17

1935-01-02 Application filed by LAILLIER ETS filed Critical LAILLIER ETS

1935-07-17 Application granted granted Critical

1935-07-17 Publication of FR783609A publication Critical patent/FR783609A/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/222—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only for microphones

Landscapes

Health & Medical Sciences (AREA)
Otolaryngology (AREA)
Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)

FR783609D 1935-01-02 1935-01-02 Advanced microphone Expired FR783609A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR783609T		1935-01-02

Publications (1)

Publication Number	Publication Date
FR783609A true FR783609A (en)	1935-07-17

Family

ID=9216439

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR783609D Expired FR783609A (en)	1935-01-02	1935-01-02	Advanced microphone

Country Status (1)

Country	Link
FR (1)	FR783609A (en)

1935
- 1935-01-02 FR FR783609D patent/FR783609A/en not_active Expired

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