BE366093A - - Google Patents
Info
- Publication number
- BE366093A BE366093A BE366093DA BE366093A BE 366093 A BE366093 A BE 366093A BE 366093D A BE366093D A BE 366093DA BE 366093 A BE366093 A BE 366093A
- 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
- H04M17/026—Constructional features
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Burglar Alarm Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE374822X | 1929-12-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE366093A true BE366093A (en)) |
Family
ID=3868622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE366093D BE366093A (en)) | 1929-12-09 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE366093A (en)) |
| FR (1) | FR706846A (en)) |
| GB (1) | GB374822A (en)) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3365554A (en) * | 1964-10-16 | 1968-01-23 | Bell Telephone Labor Inc | Prevention of dialing by a telephone switchhook |
-
0
- BE BE366093D patent/BE366093A/xx unknown
-
1930
- 1930-12-02 FR FR706846D patent/FR706846A/fr not_active Expired
- 1930-12-08 GB GB36987/30A patent/GB374822A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB374822A (en) | 1932-06-16 |
| FR706846A (fr) | 1931-06-30 |