BE469259A - - Google Patents
Info
- Publication number
- BE469259A BE469259A BE469259DA BE469259A BE 469259 A BE469259 A BE 469259A BE 469259D A BE469259D A BE 469259DA BE 469259 A BE469259 A BE 469259A
- Authority
- BE
- Belgium
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR54821T | 1946-09-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE469259A true BE469259A (en:Method) |
Family
ID=8689239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE469259D BE469259A (en:Method) | 1946-09-20 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE469259A (en:Method) |
| FR (2) | FR922679A (en:Method) |
-
0
- BE BE469259D patent/BE469259A/xx unknown
-
1946
- 1946-02-22 FR FR922679D patent/FR922679A/fr not_active Expired
- 1946-09-20 FR FR54821D patent/FR54821E/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR54821E (fr) | 1950-08-02 |
| FR922679A (fr) | 1947-06-16 |