FR547478A - Micro-téléphone combiné - Google Patents
Micro-téléphone combinéInfo
- Publication number
- FR547478A FR547478A FR547478DA FR547478A FR 547478 A FR547478 A FR 547478A FR 547478D A FR547478D A FR 547478DA FR 547478 A FR547478 A FR 547478A
- Authority
- FR
- France
- Prior art keywords
- micro
- telephone handset
- handset
- 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
- H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR547478T | 1921-05-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR547478A true FR547478A (fr) | 1922-12-13 |
Family
ID=8934244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR547478D Expired FR547478A (fr) | 1921-05-10 | 1921-05-10 | Micro-téléphone combiné |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR547478A (fr) |
-
1921
- 1921-05-10 FR FR547478D patent/FR547478A/fr not_active Expired
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