DE536721C - Mikrotelephon - Google Patents
MikrotelephonInfo
- Publication number
- DE536721C DE536721C DENDAT536721D DE536721DD DE536721C DE 536721 C DE536721 C DE 536721C DE NDAT536721 D DENDAT536721 D DE NDAT536721D DE 536721D D DE536721D D DE 536721DD DE 536721 C DE536721 C DE 536721C
- Authority
- DE
- Germany
- Prior art keywords
- microphone
- berlin
- wilhelmshagen
- microtelephon
- zwisehen
- 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.)
- Expired
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
- H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Description
Hierzu 1 Blatt Zeichnungen
Claims (2)
- Patentansprüche :ι. Mikrotelephon, bei dem das Mikrophon in unmittelbare Berührung vorzugsweise mit dem Kehlkopf des Sprechenden zu bringen ist, dadurch gekennzeichnet, daß sich zwisehen der Hörmuschel und der Telephonkapsel ein Kugelgelenk befindet.
- 2. Handapparat nach Anspruch 1, dadurch gekennzeichnet, daß Telephon und Mikrophon einschließlich der Drahtverbindüngen zwischen beiden wasserdicht eingekapselt sind..*) Von dem Patentsucher sind als die Erfinder angegeben worden:Emil Faller in Berlin-Brit\ und Wilhelm Kruse in Berlin -Wilhelmshagen.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE536721T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE536721C true DE536721C (de) | 1931-10-26 |
Family
ID=6557427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT536721D Expired DE536721C (de) | Mikrotelephon |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE536721C (de) |
-
0
- DE DENDAT536721D patent/DE536721C/de not_active Expired
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