FR2153007A1 - - Google Patents
Info
- Publication number
- FR2153007A1 FR2153007A1 FR7232706A FR7232706A FR2153007A1 FR 2153007 A1 FR2153007 A1 FR 2153007A1 FR 7232706 A FR7232706 A FR 7232706A FR 7232706 A FR7232706 A FR 7232706A FR 2153007 A1 FR2153007 A1 FR 2153007A1
- Authority
- FR
- France
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/46—Monitoring; Testing
- H04B3/48—Testing attenuation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Measuring Frequencies, Analyzing Spectra (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2146641A DE2146641A1 (de) | 1971-09-17 | 1971-09-17 | Schaltung zur automatischen daempfungsmessung an einer leitung der uebertragungstechnik |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2153007A1 true FR2153007A1 (enExample) | 1973-04-27 |
| FR2153007B1 FR2153007B1 (enExample) | 1977-04-01 |
Family
ID=5819928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7232706A Expired FR2153007B1 (enExample) | 1971-09-17 | 1972-09-15 |
Country Status (6)
| Country | Link |
|---|---|
| CH (1) | CH544457A (enExample) |
| DE (1) | DE2146641A1 (enExample) |
| FR (1) | FR2153007B1 (enExample) |
| GB (1) | GB1364956A (enExample) |
| IT (1) | IT967542B (enExample) |
| NL (1) | NL7212599A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0004972A1 (de) * | 1978-04-21 | 1979-10-31 | Siemens Aktiengesellschaft | Verfahren und Einrichtung zur Streckenmessung in elektrischen Nachrichtenübertragungssystemen |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5663968A (en) * | 1992-06-30 | 1997-09-02 | H. Heuer Instruments Pty Ltd. | Margin test method and apparatus for intergrated services digital networks |
-
1971
- 1971-09-17 DE DE2146641A patent/DE2146641A1/de active Pending
-
1972
- 1972-08-31 CH CH1288872A patent/CH544457A/de not_active IP Right Cessation
- 1972-09-15 NL NL7212599A patent/NL7212599A/xx unknown
- 1972-09-15 IT IT29260/72A patent/IT967542B/it active
- 1972-09-15 FR FR7232706A patent/FR2153007B1/fr not_active Expired
- 1972-09-18 GB GB4310372A patent/GB1364956A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0004972A1 (de) * | 1978-04-21 | 1979-10-31 | Siemens Aktiengesellschaft | Verfahren und Einrichtung zur Streckenmessung in elektrischen Nachrichtenübertragungssystemen |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2146641A1 (de) | 1973-03-22 |
| GB1364956A (en) | 1974-08-29 |
| NL7212599A (enExample) | 1973-03-20 |
| IT967542B (it) | 1974-03-11 |
| FR2153007B1 (enExample) | 1977-04-01 |
| CH544457A (de) | 1973-11-15 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |