BE543824A - - Google Patents
Info
- Publication number
- BE543824A BE543824A BE543824DA BE543824A BE 543824 A BE543824 A BE 543824A BE 543824D A BE543824D A BE 543824DA BE 543824 A BE543824 A BE 543824A
- 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)
- Prepayment Telephone Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE784032X | 1954-12-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE543824A true BE543824A (enEXAMPLES) |
Family
ID=20336780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE543824D BE543824A (enEXAMPLES) | 1954-12-23 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2837600A (enEXAMPLES) |
| BE (1) | BE543824A (enEXAMPLES) |
| DE (1) | DE1008367B (enEXAMPLES) |
| GB (1) | GB784032A (enEXAMPLES) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1386701A (en) * | 1916-08-14 | 1921-08-09 | Western Electric Co | Coin-collect system |
| US2278436A (en) * | 1940-10-02 | 1942-04-07 | Bell Telephone Labor Inc | Telephone coin collector |
-
0
- BE BE543824D patent/BE543824A/xx unknown
-
1955
- 1955-12-19 GB GB36374/55A patent/GB784032A/en not_active Expired
- 1955-12-20 US US554325A patent/US2837600A/en not_active Expired - Lifetime
- 1955-12-21 DE DET11689A patent/DE1008367B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US2837600A (en) | 1958-06-03 |
| DE1008367B (de) | 1957-05-16 |
| GB784032A (en) | 1957-10-02 |