CH204649A - Elektro-akustischer Apparat mit Leichtmembran. - Google Patents
Elektro-akustischer Apparat mit Leichtmembran.Info
- Publication number
- CH204649A CH204649A CH204649DA CH204649A CH 204649 A CH204649 A CH 204649A CH 204649D A CH204649D A CH 204649DA CH 204649 A CH204649 A CH 204649A
- Authority
- CH
- Switzerland
- Prior art keywords
- electro
- acoustic apparatus
- lightweight membrane
- lightweight
- membrane
- Prior art date
Links
- 239000012528 membrane Substances 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE426663X | 1937-03-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH204649A true CH204649A (de) | 1939-05-15 |
Family
ID=5782987
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH204649D CH204649A (de) | 1937-03-10 | 1938-02-17 | Elektro-akustischer Apparat mit Leichtmembran. |
Country Status (4)
Country | Link |
---|---|
AT (1) | AT157075B (enrdf_load_stackoverflow) |
BE (1) | BE426663A (enrdf_load_stackoverflow) |
CH (1) | CH204649A (enrdf_load_stackoverflow) |
FR (1) | FR834435A (enrdf_load_stackoverflow) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1129538B (de) * | 1959-11-14 | 1962-05-17 | Akg Akustische Kino Geraete | Tauchspulenmikrophon |
-
1938
- 1938-02-17 CH CH204649D patent/CH204649A/de unknown
- 1938-02-21 AT AT157075D patent/AT157075B/de active
- 1938-02-28 BE BE426663D patent/BE426663A/xx unknown
- 1938-02-28 FR FR834435D patent/FR834435A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR834435A (fr) | 1938-11-21 |
BE426663A (enrdf_load_stackoverflow) | 1938-03-31 |
AT157075B (de) | 1939-09-25 |
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