BE514592A - - Google Patents
Info
- Publication number
- BE514592A BE514592A BE514592DA BE514592A BE 514592 A BE514592 A BE 514592A BE 514592D A BE514592D A BE 514592DA BE 514592 A BE514592 A BE 514592A
- Authority
- BE
- Belgium
- Prior art keywords
- relay
- circuit
- station
- stations
- contact
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/001—Two-way communication systems between a limited number of parties
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
- H04Q5/02—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange with direct connection for all subscribers, i.e. party-line systems
- H04Q5/14—Signalling by pulses
- H04Q5/16—Signalling by pulses by predetermined number of pulses
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE514592A true BE514592A (pm) |
Family
ID=152367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE514592D BE514592A (pm) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE514592A (pm) |
-
0
- BE BE514592D patent/BE514592A/fr unknown
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