BE440777A - - Google Patents
Info
- Publication number
- BE440777A BE440777A BE440777DA BE440777A BE 440777 A BE440777 A BE 440777A BE 440777D A BE440777D A BE 440777DA BE 440777 A BE440777 A BE 440777A
- Authority
- BE
- Belgium
- Prior art keywords
- line
- relay
- shared
- subscriber
- telephone system
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/68—Circuit arrangements for preventing eavesdropping
- H04M1/70—Lock-out or secrecy arrangements in party-line systems
-
- 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
-
- 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
- H04Q5/24—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange for two-party-line systems
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Telephonic Communication Services (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL61314T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE440777A true BE440777A (ja) |
Family
ID=19756547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE440777D BE440777A (ja) |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE440777A (ja) |
| NL (1) | NL61314C (ja) |
-
0
- BE BE440777D patent/BE440777A/fr unknown
- NL NL61314D patent/NL61314C/xx active
Also Published As
| Publication number | Publication date |
|---|---|
| NL61314C (ja) |
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