BE433696A - - Google Patents
Info
- Publication number
- BE433696A BE433696A BE433696DA BE433696A BE 433696 A BE433696 A BE 433696A BE 433696D A BE433696D A BE 433696DA BE 433696 A BE433696 A BE 433696A
- Authority
- BE
- Belgium
- Prior art keywords
- signal
- relay
- circuit
- code
- contact
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/04—Switchboards
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
BE433696A true BE433696A (OSRAM) |
Family
ID=93011
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE433696D BE433696A (OSRAM) |
Country Status (1)
Country | Link |
---|---|
BE (1) | BE433696A (OSRAM) |
-
0
- BE BE433696D patent/BE433696A/fr unknown
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BE433696A (OSRAM) | ||
CA1053392A (fr) | Joncteur telephonique servant a interconnecter deux centraux automatiques | |
US2024581A (en) | Telegraph toll system | |
US2400124A (en) | Telegraph exchange system | |
US1181559A (en) | Intercommunicating selective lockout telephone system. | |
GB558781A (en) | Improvements in or relating to automatic telegraph exchange systems | |
GB527336A (en) | Printing telegraph system | |
US1209303A (en) | Multiple-dial calling device. | |
BE344464A (OSRAM) | ||
BE412135A (OSRAM) | ||
BE426051A (OSRAM) | ||
BE427507A (OSRAM) | ||
BE340840A (OSRAM) | ||
BE467275A (OSRAM) | ||
BE363268A (OSRAM) | ||
BE371832A (OSRAM) | ||
BE345833A (OSRAM) | ||
BE480310A (OSRAM) | ||
BE353818A (OSRAM) | ||
BE528427A (OSRAM) | ||
BE349461A (OSRAM) | ||
BE411173A (OSRAM) | ||
BE731310A (OSRAM) | ||
BE531956A (OSRAM) | ||
BE532489A (OSRAM) |