DE84101C - - Google Patents
Info
- Publication number
- DE84101C DE84101C DENDAT84101D DE84101DA DE84101C DE 84101 C DE84101 C DE 84101C DE NDAT84101 D DENDAT84101 D DE NDAT84101D DE 84101D A DE84101D A DE 84101DA DE 84101 C DE84101 C DE 84101C
- Authority
- DE
- Germany
- Prior art keywords
- microphone
- microphones
- axis
- circuit
- alternately
- Prior art date
- 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.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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)
- Details Of Audible-Bandwidth Transducers (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE84101C true DE84101C (https=) |
Family
ID=356361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT84101D Active DE84101C (https=) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE84101C (https=) |
-
0
- DE DENDAT84101D patent/DE84101C/de active Active
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