BE426210A - - Google Patents
Info
- Publication number
- BE426210A BE426210A BE426210DA BE426210A BE 426210 A BE426210 A BE 426210A BE 426210D A BE426210D A BE 426210DA BE 426210 A BE426210 A BE 426210A
- 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
- H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Measuring Fluid Pressure (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US124425A US2152915A (en) | 1937-02-06 | 1937-02-06 | Telephone instrument |
| US165257A US2152916A (en) | 1937-02-06 | 1937-09-23 | Telephone instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE426210A true BE426210A (de) |
Family
ID=26822584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE426210D BE426210A (de) | 1937-02-06 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2152916A (de) |
| BE (1) | BE426210A (de) |
-
0
- BE BE426210D patent/BE426210A/xx unknown
-
1937
- 1937-09-23 US US165257A patent/US2152916A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2152916A (en) | 1939-04-04 |