FR392764A - Telephone device - Google Patents
Telephone deviceInfo
- Publication number
- FR392764A FR392764A FR392764A FR392764DA FR392764A FR 392764 A FR392764 A FR 392764A FR 392764 A FR392764 A FR 392764A FR 392764D A FR392764D A FR 392764DA FR 392764 A FR392764 A FR 392764A
- Authority
- FR
- France
- Prior art keywords
- telephone device
- telephone
- 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
- H04M1/04—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 |
---|---|
FR392764A true FR392764A (en) | 1908-12-04 |
Family
ID=5824513
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR392764A Expired FR392764A (en) | 1908-07-28 | Telephone device |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE215543C (en) |
FR (1) | FR392764A (en) |
-
0
- DE DENDAT215543D patent/DE215543C/de active Active
-
1908
- 1908-07-28 FR FR392764A patent/FR392764A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE215543C (en) |
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