BE427614A - - Google Patents
Info
- Publication number
- BE427614A BE427614A BE427614DA BE427614A BE 427614 A BE427614 A BE 427614A BE 427614D A BE427614D A BE 427614DA BE 427614 A BE427614 A BE 427614A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems
- H04M17/02—Coin-freed or check-freed systems, e.g. mobile- or card-operated phones, public telephones or booths
- H04M17/023—Circuit arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Meter Arrangements (AREA)
- Prepayment Telephone Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEM126116D DE662775C (de) | 1934-01-07 | 1934-01-07 | Muenzfernsprecher, bei dem durch den Einwurf der Muenzen und durch von der Vermittlungsstelle ausgesendete Stromstoesse Zaehleinrichtungen eingestellt werden |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE427614A true BE427614A (de) |
Family
ID=7330925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE427614D BE427614A (de) | 1934-01-07 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE427614A (de) |
| DE (1) | DE662775C (de) |
| FR (1) | FR836836A (de) |
-
0
- BE BE427614D patent/BE427614A/xx unknown
-
1934
- 1934-01-07 DE DEM126116D patent/DE662775C/de not_active Expired
-
1938
- 1938-04-19 FR FR836836D patent/FR836836A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR836836A (fr) | 1939-01-26 |
| DE662775C (de) | 1938-07-21 |