JPS4987214A - - Google Patents
Info
- Publication number
- JPS4987214A JPS4987214A JP48106829A JP10682973A JPS4987214A JP S4987214 A JPS4987214 A JP S4987214A JP 48106829 A JP48106829 A JP 48106829A JP 10682973 A JP10682973 A JP 10682973A JP S4987214 A JPS4987214 A JP S4987214A
- Authority
- JP
- Japan
- 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
- H04B3/04—Control of transmission; Equalising
- H04B3/10—Control of transmission; Equalising by pilot signal
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/04—Measuring peak values or amplitude or envelope of ac or of pulses
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Measurement Of Current Or Voltage (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2246310 | 1972-09-21 | ||
| DE2246411 | 1972-09-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4987214A true JPS4987214A (fr) | 1974-08-21 |
| JPS5220289B2 JPS5220289B2 (fr) | 1977-06-02 |
Family
ID=25763874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48106829A Expired JPS5220289B2 (fr) | 1972-09-21 | 1973-09-21 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5220289B2 (fr) |
| GB (1) | GB1450795A (fr) |
| IT (1) | IT993284B (fr) |
| NL (1) | NL163690C (fr) |
| SE (1) | SE381516B (fr) |
-
1973
- 1973-09-18 IT IT2903573A patent/IT993284B/it active
- 1973-09-20 SE SE7312821A patent/SE381516B/xx unknown
- 1973-09-20 NL NL7313006A patent/NL163690C/xx not_active IP Right Cessation
- 1973-09-21 GB GB4303073A patent/GB1450795A/en not_active Expired
- 1973-09-21 JP JP48106829A patent/JPS5220289B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1450795A (en) | 1976-09-29 |
| NL163690B (nl) | 1980-04-15 |
| SE381516B (sv) | 1975-12-08 |
| IT993284B (it) | 1975-09-30 |
| NL163690C (nl) | 1980-09-15 |
| JPS5220289B2 (fr) | 1977-06-02 |
| NL7313006A (fr) | 1974-03-25 |