DE215543C - - Google Patents
Info
- Publication number
- DE215543C DE215543C DENDAT215543D DE215543DA DE215543C DE 215543 C DE215543 C DE 215543C DE NDAT215543 D DENDAT215543 D DE NDAT215543D DE 215543D A DE215543D A DE 215543DA DE 215543 C DE215543 C DE 215543C
- Authority
- DE
- Germany
- Prior art keywords
- microphone
- head
- bracket
- straps
- folded
- 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
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/04—Supports for telephone transmitters or receivers
- H04M1/05—Supports for telephone transmitters or receivers specially adapted for use on head, throat or breast
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE215543T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE215543C true DE215543C (fr) |
Family
ID=5824513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT215543D Active DE215543C (fr) |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE215543C (fr) |
| FR (1) | FR392764A (fr) |
-
0
- DE DENDAT215543D patent/DE215543C/de active Active
-
1908
- 1908-07-28 FR FR392764A patent/FR392764A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR392764A (fr) | 1908-12-04 |
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