CH256014A - Dispositivo a membrana vibrante per microfoni, pick up e simili. - Google Patents
Dispositivo a membrana vibrante per microfoni, pick up e simili.Info
- Publication number
- CH256014A CH256014A CH256014DA CH256014A CH 256014 A CH256014 A CH 256014A CH 256014D A CH256014D A CH 256014DA CH 256014 A CH256014 A CH 256014A
- Authority
- CH
- Switzerland
- Prior art keywords
- microphones
- membrane device
- vibrating membrane
- pick ups
- ups
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/04—Construction, mounting, or centering of coil
- H04R9/046—Construction
- H04R9/047—Construction in which the windings of the moving coil lay in the same plane
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/08—Microphones
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH939508X | 1946-01-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH256014A true CH256014A (it) | 1948-07-31 |
Family
ID=4549305
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH256014D CH256014A (it) | 1946-01-08 | 1946-01-08 | Dispositivo a membrana vibrante per microfoni, pick up e simili. |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE470385A (it) |
CH (1) | CH256014A (it) |
FR (1) | FR939508A (it) |
LU (1) | LU28277A1 (it) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2691148A (en) * | 1950-06-24 | 1954-10-05 | Rca Corp | Ultrasonic transducer |
SU581600A1 (ru) * | 1975-01-14 | 1977-11-25 | Kasatkin Aleksej F | Ленточный громкоговоритель |
US4081627A (en) * | 1976-12-27 | 1978-03-28 | Audio Research Corporation | Electromagnetic bipolar loud speaker |
-
0
- BE BE470385D patent/BE470385A/xx unknown
- LU LU28277D patent/LU28277A1/xx unknown
-
1946
- 1946-01-08 CH CH256014D patent/CH256014A/it unknown
-
1947
- 1947-01-03 FR FR939508D patent/FR939508A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
LU28277A1 (it) | |
FR939508A (fr) | 1948-11-17 |
BE470385A (it) |
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