FR2345861B1 - - Google Patents
Info
- Publication number
- FR2345861B1 FR2345861B1 FR7708370A FR7708370A FR2345861B1 FR 2345861 B1 FR2345861 B1 FR 2345861B1 FR 7708370 A FR7708370 A FR 7708370A FR 7708370 A FR7708370 A FR 7708370A FR 2345861 B1 FR2345861 B1 FR 2345861B1
- 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.)
- Expired
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
- 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)
- Measurement Of Resistance Or Impedance (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Filters And Equalizers (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2613054A DE2613054C2 (de) | 1976-03-26 | 1976-03-26 | Schaltungsanordnung zum Entzerren der Dämpfungskurve einer Nachrichtenübertragungsstrecke |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2345861A1 FR2345861A1 (fr) | 1977-10-21 |
FR2345861B1 true FR2345861B1 (fr) | 1981-12-24 |
Family
ID=5973576
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7708370A Granted FR2345861A1 (fr) | 1976-03-26 | 1977-03-21 | Montage pour corriger les distorsions de la courbe d'affaiblissement d'une voie de transmission d'informations |
Country Status (5)
Country | Link |
---|---|
US (1) | US4176317A (fr) |
JP (1) | JPS52117506A (fr) |
DE (1) | DE2613054C2 (fr) |
FR (1) | FR2345861A1 (fr) |
GB (1) | GB1573643A (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2817646B2 (de) * | 1978-04-21 | 1980-05-29 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Verfahren und Einrichtung zur Streckenmessung in elektrischen Nachrichtenübertragungssystemen |
US4303896A (en) * | 1980-05-21 | 1981-12-01 | The Babcock & Wilcox Company | Wide range data cable equalizer |
GB2090984B (en) * | 1981-01-08 | 1985-02-06 | Hewlett Packard Ltd | Measuring the frequency response of an element or elements in a digital transmission path |
US4627071A (en) * | 1984-11-09 | 1986-12-02 | Rockwell International Corporation | Distortion analyzer for quadrature demodulated data |
JPH06779B2 (ja) * | 1985-06-10 | 1994-01-05 | 武田薬品工業株式会社 | チアゾリジオン誘導体およびそれを含んでなる医薬組成物 |
DE3681379D1 (de) * | 1985-07-16 | 1991-10-17 | Matsushita Electric Ind Co Ltd | Uebertragungs-/empfangssystem fuer ein bezugssignal zur geisterbildausloeschung. |
US5059915A (en) * | 1989-12-01 | 1991-10-22 | Wiltron Company | Vector network analyzer RF pulse profiling method and apparatus |
US6873827B1 (en) | 1998-09-28 | 2005-03-29 | Nokia Corporation | Method and apparatus for providing feeder cable insertion loss detection in a transmission system without interfering with normal operation |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE964332C (de) * | 1955-05-25 | 1957-05-23 | Siemens Ag | Verfahren zur Erzeugung einer aus einer groesseren Anzahl von Einzelfrequenzen bestehenden Frequenzfolge |
US2967998A (en) * | 1956-08-22 | 1961-01-10 | Hurvitz Hyman | Non-scan spectrum analyzer |
US2972108A (en) * | 1959-03-17 | 1961-02-14 | Jr Robert R Stone | Frequency measuring system employing frequency comparison |
DE1126934B (de) * | 1961-03-29 | 1962-04-05 | Telefunken Patent | Verfahren zur Gewinnung des Einstellkriteriums fuer Orthogonalentzerrer einer Vielkanal-Traegerfrequenz-UEbertragungsstrecke |
US3654554A (en) * | 1963-01-29 | 1972-04-04 | Sperry Rand Corp | Secure pulse compression coding system |
NL151596B (nl) * | 1964-10-06 | 1976-11-15 | Philips Nv | Communicatiestelsel voor de tweedraadsoverdracht van signalen tussen een beginpost en een eindpost over een transmissieleiding. |
US3415952A (en) * | 1964-12-04 | 1968-12-10 | Plessey Uk Ltd | Automatic power level control for radiotelephony communication systems including a repeater station |
NL6612386A (fr) * | 1966-09-02 | 1968-03-04 | ||
FR2068850A5 (fr) * | 1969-10-03 | 1971-09-03 | Cit Alcatel | |
DE2013475C3 (de) * | 1970-03-20 | 1975-12-11 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Verfahren zur Einstellung eines Kosinus- oder Echoentzerrers in einem Trägerfrequenz-Übertragungssystem |
DE2247190C3 (de) * | 1972-09-26 | 1980-12-04 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Verfahren zur Einstellung der Trägerphase bei der Übertragung von Signalen |
CH559983A5 (fr) * | 1972-12-28 | 1975-03-14 | Zellweger Uster Ag | |
DE2360930C2 (de) * | 1973-12-06 | 1975-05-07 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Schaltungsanordnung zur Auswahl eines Diversitykanals |
-
1976
- 1976-03-26 DE DE2613054A patent/DE2613054C2/de not_active Expired
-
1977
- 1977-02-22 US US05/770,266 patent/US4176317A/en not_active Expired - Lifetime
- 1977-03-21 FR FR7708370A patent/FR2345861A1/fr active Granted
- 1977-03-25 JP JP3317577A patent/JPS52117506A/ja active Pending
- 1977-03-25 GB GB12711/77A patent/GB1573643A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2613054C2 (de) | 1983-04-07 |
DE2613054A1 (de) | 1977-09-29 |
US4176317A (en) | 1979-11-27 |
JPS52117506A (en) | 1977-10-03 |
GB1573643A (en) | 1980-08-28 |
FR2345861A1 (fr) | 1977-10-21 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |