BE533537A - - Google Patents

Info

Publication number: BE533537A
Authority: BE; Belgium

Application number

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.)

1953-11-25

Publication of BE533537A publication Critical patent/BE533537A/xx

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R21/00—Variable-resistance transducers
- H04R21/02—Microphones
- H04R21/021—Microphones with granular resistance material

Landscapes

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

BE533537D 1953-11-25 BE533537A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE1116479X		1953-11-25

Publications (1)

Publication Number	Publication Date
BE533537A true BE533537A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=7724132

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE533537D BE533537A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)	1953-11-25

Country Status (2)

Country	Link
BE (1)	BE533537A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1)	FR1116479A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1040603B (de) *	1957-06-18	1958-10-09	Krone Kg	Leichte Sprechkapsel fuer Abfragegarnituren od. dgl.

0
- BE BE533537D patent/BE533537A/xx unknown
1954
- 1954-11-03 FR FR1116479D patent/FR1116479A/fr not_active Expired

Also Published As

Publication number	Publication date
FR1116479A (fr)	1956-05-08

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