BE820245R - Telecommunicatie schakelstelsel - Google Patents
Telecommunicatie schakelstelselInfo
- Publication number
- BE820245R BE820245R BE2053879A BE2053879A BE820245R BE 820245 R BE820245 R BE 820245R BE 2053879 A BE2053879 A BE 2053879A BE 2053879 A BE2053879 A BE 2053879A BE 820245 R BE820245 R BE 820245R
- Authority
- BE
- Belgium
- Prior art keywords
- schakelstelsel
- telecommunication
- schakelstelsel telecommunication
- Prior art date
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 |
---|---|---|---|
NL7313292A NL7313292A (nl) | 1973-09-26 | 1973-09-26 | Telecommunicatie-schakelstelsel. |
Publications (1)
Publication Number | Publication Date |
---|---|
BE820245R true BE820245R (fr) | 1975-03-24 |
Family
ID=19819683
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE2053879A BE820245R (fr) | 1973-09-26 | 1974-09-24 | Telecommunicatie schakelstelsel |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE820245R (fr) |
DE (1) | DE2445039A1 (fr) |
NL (1) | NL7313292A (fr) |
-
1973
- 1973-09-26 NL NL7313292A patent/NL7313292A/xx not_active Application Discontinuation
-
1974
- 1974-09-20 DE DE19742445039 patent/DE2445039A1/de active Pending
- 1974-09-24 BE BE2053879A patent/BE820245R/fr active
Also Published As
Publication number | Publication date |
---|---|
NL7313292A (nl) | 1975-04-01 |
DE2445039A1 (de) | 1975-04-03 |
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