DE105942C - - Google Patents
Info
- Publication number
- DE105942C DE105942C DENDAT105942D DE105942DA DE105942C DE 105942 C DE105942 C DE 105942C DE NDAT105942 D DENDAT105942 D DE NDAT105942D DE 105942D A DE105942D A DE 105942DA DE 105942 C DE105942 C DE 105942C
- Authority
- DE
- Germany
- Prior art keywords
- mouthpiece
- tube
- speaking
- telescopically
- hose
- 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
- 238000010276 construction Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 3
- 239000012528 membrane Substances 0.000 description 2
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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE105942C true DE105942C (enExample) |
Family
ID=376169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT105942D Active DE105942C (enExample) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE105942C (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1984003812A1 (fr) * | 1983-03-17 | 1984-09-27 | Antoni Alberto Grigioni | Microphone a ouverture variable |
-
0
- DE DENDAT105942D patent/DE105942C/de active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1984003812A1 (fr) * | 1983-03-17 | 1984-09-27 | Antoni Alberto Grigioni | Microphone a ouverture variable |
| EP0134751A1 (fr) * | 1983-03-17 | 1985-03-20 | Antoni Alberto Grigioni | Microphone à ouverture variable |
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