GB1252620A - - Google Patents
Info
- Publication number
- GB1252620A GB1252620A GB1252620DA GB1252620A GB 1252620 A GB1252620 A GB 1252620A GB 1252620D A GB1252620D A GB 1252620DA GB 1252620 A GB1252620 A GB 1252620A
- Authority
- GB
- United Kingdom
- Prior art keywords
- converter circuit
- reflected
- exchange
- polarity
- hence
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000012544 monitoring process Methods 0.000 abstract 4
- 238000004458 analytical method Methods 0.000 abstract 1
- 238000004804 winding Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/50—Testing arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1814056A DE1814056C3 (de) | 1968-12-11 | 1968-12-11 | Schaltungsanordnung zum Prüfen der Betriebsbereitschaft von Umsetzerschaltungen und Amtsverbindungsleitungen in zentralgesteuerten Daten-Vermittlungsanlagen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1252620A true GB1252620A (enrdf_load_stackoverflow) | 1971-11-10 |
Family
ID=5715928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1252620D Expired GB1252620A (enrdf_load_stackoverflow) | 1968-12-11 | 1969-12-10 |
Country Status (8)
| Country | Link |
|---|---|
| BE (1) | BE742984A (enrdf_load_stackoverflow) |
| CH (1) | CH502727A (enrdf_load_stackoverflow) |
| DE (1) | DE1814056C3 (enrdf_load_stackoverflow) |
| FR (1) | FR2025846A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1252620A (enrdf_load_stackoverflow) |
| LU (1) | LU59971A1 (enrdf_load_stackoverflow) |
| NL (1) | NL6918027A (enrdf_load_stackoverflow) |
| SE (1) | SE368757B (enrdf_load_stackoverflow) |
-
1968
- 1968-12-11 DE DE1814056A patent/DE1814056C3/de not_active Expired
-
1969
- 1969-11-24 FR FR6940418A patent/FR2025846A1/fr not_active Withdrawn
- 1969-12-01 NL NL6918027A patent/NL6918027A/xx unknown
- 1969-12-08 SE SE16867/69A patent/SE368757B/xx unknown
- 1969-12-09 CH CH1828169A patent/CH502727A/de not_active IP Right Cessation
- 1969-12-09 LU LU59971D patent/LU59971A1/xx unknown
- 1969-12-10 GB GB1252620D patent/GB1252620A/en not_active Expired
- 1969-12-11 BE BE742984D patent/BE742984A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE368757B (enrdf_load_stackoverflow) | 1974-07-15 |
| NL6918027A (enrdf_load_stackoverflow) | 1970-06-15 |
| DE1814056B2 (de) | 1974-09-05 |
| BE742984A (enrdf_load_stackoverflow) | 1970-06-11 |
| FR2025846A1 (enrdf_load_stackoverflow) | 1970-09-11 |
| DE1814056A1 (de) | 1970-06-25 |
| LU59971A1 (enrdf_load_stackoverflow) | 1970-02-10 |
| CH502727A (de) | 1971-01-31 |
| DE1814056C3 (de) | 1975-04-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |