GB1319062A - - Google Patents
Info
- Publication number
- GB1319062A GB1319062A GB3489570A GB3489570A GB1319062A GB 1319062 A GB1319062 A GB 1319062A GB 3489570 A GB3489570 A GB 3489570A GB 3489570 A GB3489570 A GB 3489570A GB 1319062 A GB1319062 A GB 1319062A
- Authority
- GB
- United Kingdom
- Prior art keywords
- khz
- repeater
- resistor
- impulses
- parallel
- 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
- 238000012360 testing method Methods 0.000 abstract 4
- 230000005540 biological transmission Effects 0.000 abstract 2
- 238000005259 measurement Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/40—Monitoring; Testing of relay systems
- H04B17/407—Monitoring; Testing of relay systems without selective localization
- H04B17/408—Monitoring; Testing of relay systems without selective localization using successive loop-backs
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Locating Faults (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1123969A CH502725A (de) | 1969-07-23 | 1969-07-23 | Einrichtung zur Fernprüfung gleichstromferngespeister Verstärker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1319062A true GB1319062A (enrdf_load_html_response) | 1973-05-31 |
Family
ID=4371496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3489570A Expired GB1319062A (enrdf_load_html_response) | 1969-07-23 | 1970-07-17 |
Country Status (9)
| Country | Link |
|---|---|
| AR (1) | AR195365A1 (enrdf_load_html_response) |
| BE (1) | BE753802A (enrdf_load_html_response) |
| CH (1) | CH502725A (enrdf_load_html_response) |
| DE (1) | DE2021131A1 (enrdf_load_html_response) |
| ES (1) | ES382031A1 (enrdf_load_html_response) |
| FR (1) | FR2055442A5 (enrdf_load_html_response) |
| GB (1) | GB1319062A (enrdf_load_html_response) |
| NL (1) | NL7010707A (enrdf_load_html_response) |
| SE (1) | SE366444B (enrdf_load_html_response) |
-
1969
- 1969-07-23 CH CH1123969A patent/CH502725A/de not_active IP Right Cessation
-
1970
- 1970-04-29 DE DE19702021131 patent/DE2021131A1/de active Pending
- 1970-07-17 GB GB3489570A patent/GB1319062A/en not_active Expired
- 1970-07-20 SE SE997870A patent/SE366444B/xx unknown
- 1970-07-20 NL NL7010707A patent/NL7010707A/xx unknown
- 1970-07-21 ES ES382031A patent/ES382031A1/es not_active Expired
- 1970-07-22 FR FR7026955A patent/FR2055442A5/fr not_active Expired
- 1970-07-23 AR AR23023070A patent/AR195365A1/es active
- 1970-07-23 BE BE753802D patent/BE753802A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE753802A (fr) | 1970-12-31 |
| FR2055442A5 (enrdf_load_html_response) | 1971-05-07 |
| NL7010707A (enrdf_load_html_response) | 1971-01-26 |
| SE366444B (enrdf_load_html_response) | 1974-04-22 |
| AR195365A1 (es) | 1973-10-08 |
| CH502725A (de) | 1971-01-31 |
| ES382031A1 (es) | 1973-04-01 |
| DE2021131A1 (de) | 1971-01-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |