SE7808929L - Anordning for overvakning av en till en nivaregulator tillford insignals niva - Google Patents
Anordning for overvakning av en till en nivaregulator tillford insignals nivaInfo
- Publication number
- SE7808929L SE7808929L SE7808929A SE7808929A SE7808929L SE 7808929 L SE7808929 L SE 7808929L SE 7808929 A SE7808929 A SE 7808929A SE 7808929 A SE7808929 A SE 7808929A SE 7808929 L SE7808929 L SE 7808929L
- Authority
- SE
- Sweden
- Prior art keywords
- monitoring
- level
- regulator supply
- input
- level input
- Prior art date
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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/16—Monitoring arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Control Of Amplification And Gain Control (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Measurement Of Current Or Voltage (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10445577A JPS5437616A (en) | 1977-08-31 | 1977-08-31 | Input level supervising system for variable attenuator |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7808929L true SE7808929L (sv) | 1979-03-01 |
SE439224B SE439224B (sv) | 1985-06-03 |
Family
ID=14381079
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7808929A SE439224B (sv) | 1977-08-31 | 1978-08-24 | Anordning for overvakning av nivan hos en till en nivaregulator tillford insignal |
Country Status (6)
Country | Link |
---|---|
US (1) | US4185248A (sv) |
JP (1) | JPS5437616A (sv) |
DE (1) | DE2837728A1 (sv) |
IT (1) | IT1098733B (sv) |
NL (1) | NL177545C (sv) |
SE (1) | SE439224B (sv) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57154919A (en) * | 1981-03-20 | 1982-09-24 | Hitachi Denshi Ltd | Detecting system for high frequency faulty power level |
US4471324A (en) * | 1982-01-19 | 1984-09-11 | Dbx, Inc. | All NPN variably controlled amplifier |
JPS58111514U (ja) * | 1982-01-25 | 1983-07-29 | ロ−ランド株式会社 | 電圧制御型増幅回路 |
JPS58143615A (ja) * | 1982-02-19 | 1983-08-26 | Aihon Kk | ゲインコントロ−ル回路 |
JPS58225712A (ja) * | 1982-06-23 | 1983-12-27 | Matsushita Electric Ind Co Ltd | 自動利得制御回路 |
JPS59211309A (ja) * | 1983-05-16 | 1984-11-30 | Mitsubishi Electric Corp | Alc回路 |
JPH02263367A (ja) * | 1989-04-04 | 1990-10-26 | Pioneer Electron Corp | ディスクプレーヤのピックアップ駆動装置 |
JP5336994B2 (ja) * | 2009-10-19 | 2013-11-06 | キヤノン株式会社 | 通信方法及び通信装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3178698A (en) * | 1960-09-14 | 1965-04-13 | Bell Telephone Labor Inc | Regulator alarm circuit |
GB1140235A (en) * | 1966-05-23 | 1969-01-15 | Standard Telephones Cables Ltd | Improved method of monitoring amplifier gain |
DE2235230C3 (de) * | 1972-07-18 | 1983-03-03 | Siemens AG, 1000 Berlin und 8000 München | Pilotregeleinrichtung für Nachrichtenübertragungssysteme mit Reglerstillsetzung |
DE2452993C3 (de) * | 1974-11-08 | 1980-10-09 | Te Ka De Felten & Guilleaume Fernmeldeanlagen Gmbh, 8500 Nuernberg | Schaltungsanordnung zur pilotgesteuerten Regelung von Wechselstromverstärkern in Nachrichtenübertragungssystemen |
-
1977
- 1977-08-31 JP JP10445577A patent/JPS5437616A/ja active Granted
-
1978
- 1978-08-24 SE SE7808929A patent/SE439224B/sv not_active IP Right Cessation
- 1978-08-25 NL NLAANVRAGE7808784,A patent/NL177545C/xx not_active IP Right Cessation
- 1978-08-30 IT IT27175/78A patent/IT1098733B/it active
- 1978-08-30 DE DE19782837728 patent/DE2837728A1/de active Granted
- 1978-08-31 US US05/938,396 patent/US4185248A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US4185248A (en) | 1980-01-22 |
NL7808784A (nl) | 1979-03-02 |
NL177545B (nl) | 1985-05-01 |
DE2837728C2 (sv) | 1989-06-22 |
JPS5624423B2 (sv) | 1981-06-05 |
JPS5437616A (en) | 1979-03-20 |
IT7827175A0 (it) | 1978-08-30 |
DE2837728A1 (de) | 1979-03-08 |
IT1098733B (it) | 1985-09-07 |
NL177545C (nl) | 1985-10-01 |
SE439224B (sv) | 1985-06-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
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