BR7507174A - Aperfeicoamentos em circuitos de correcao de distorcao de cabos - Google Patents
Aperfeicoamentos em circuitos de correcao de distorcao de cabosInfo
- Publication number
- BR7507174A BR7507174A BR7507174*A BR7507174A BR7507174A BR 7507174 A BR7507174 A BR 7507174A BR 7507174 A BR7507174 A BR 7507174A BR 7507174 A BR7507174 A BR 7507174A
- Authority
- BR
- Brazil
- Prior art keywords
- distortion correction
- correction circuits
- core distortion
- core
- circuits
- 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
- H04B3/06—Control of transmission; Equalising by the transmitted signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/20—Repeater circuits; Relay circuits
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Networks Using Active Elements (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2451912A DE2451912C3 (de) | 1974-10-31 | 1974-10-31 | Schaltungsanordnung zur Entzerrung des Dämpfungsverlaufs eines Niederfrequenzkabels |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7507174A true BR7507174A (pt) | 1976-08-10 |
Family
ID=5929784
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR7507174*A BR7507174A (pt) | 1974-10-31 | 1975-10-31 | Aperfeicoamentos em circuitos de correcao de distorcao de cabos |
Country Status (13)
Country | Link |
---|---|
US (1) | US4056791A (pt) |
AT (1) | AT351604B (pt) |
BE (1) | BE835143A (pt) |
BR (1) | BR7507174A (pt) |
CA (1) | CA1050124A (pt) |
CH (1) | CH587592A5 (pt) |
DE (1) | DE2451912C3 (pt) |
FR (1) | FR2290101A1 (pt) |
GB (1) | GB1527891A (pt) |
IT (1) | IT1043523B (pt) |
NL (1) | NL7512666A (pt) |
SE (1) | SE402508B (pt) |
ZA (1) | ZA755999B (pt) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4273963A (en) * | 1979-05-25 | 1981-06-16 | Bell Telephone Laboratories, Incorporated | Automatic equalization for digital transmission systems |
DE2945332C2 (de) * | 1979-11-09 | 1982-04-22 | Nixdorf Computer Ag, 4790 Paderborn | Vorrichtung zur automatischen Entzerrung auf der Empfangsseite eines elektrischen Datenübertragungsweges |
DE3047657A1 (de) * | 1980-12-18 | 1982-07-01 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren zur addaptiven quantisierten leitungsentzerrung bei der digitalen uebertragung |
US5471527A (en) | 1993-12-02 | 1995-11-28 | Dsc Communications Corporation | Voice enhancement system and method |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3423535A (en) * | 1965-10-15 | 1969-01-21 | Bell Telephone Labor Inc | Carrier system slope regulator |
US3488604A (en) * | 1967-09-01 | 1970-01-06 | Sperry Rand Corp | Automatic pulsed-signal amplitude normalizer |
US3568100A (en) * | 1967-12-26 | 1971-03-02 | Bell Telephone Labor Inc | Automatic equalizer for digital transmission systems |
US3728649A (en) * | 1972-04-24 | 1973-04-17 | Bell Telephone Labor Inc | Automatic equalizer for digital cable transmission systems |
US3840756A (en) * | 1973-02-05 | 1974-10-08 | Honeywell Inf Systems | Gain control circuit using sample and hold feedback |
US3895310A (en) * | 1974-01-31 | 1975-07-15 | Kinetic Technology Inc | Automatic gain control circuit |
-
1974
- 1974-10-31 DE DE2451912A patent/DE2451912C3/de not_active Expired
-
1975
- 1975-08-29 GB GB35661/75A patent/GB1527891A/en not_active Expired
- 1975-09-16 CA CA235,539A patent/CA1050124A/en not_active Expired
- 1975-09-22 ZA ZA00755999A patent/ZA755999B/xx unknown
- 1975-10-06 AT AT762275A patent/AT351604B/de not_active IP Right Cessation
- 1975-10-15 CH CH1335675A patent/CH587592A5/xx not_active IP Right Cessation
- 1975-10-21 IT IT28487/75A patent/IT1043523B/it active
- 1975-10-27 FR FR7532820A patent/FR2290101A1/fr active Granted
- 1975-10-28 SE SE7512045A patent/SE402508B/xx unknown
- 1975-10-29 NL NL7512666A patent/NL7512666A/xx not_active Application Discontinuation
- 1975-10-30 US US05/627,264 patent/US4056791A/en not_active Expired - Lifetime
- 1975-10-31 BE BE161491A patent/BE835143A/xx not_active IP Right Cessation
- 1975-10-31 BR BR7507174*A patent/BR7507174A/pt unknown
Also Published As
Publication number | Publication date |
---|---|
CA1050124A (en) | 1979-03-06 |
BE835143A (fr) | 1976-04-30 |
US4056791A (en) | 1977-11-01 |
AT351604B (de) | 1979-08-10 |
DE2451912A1 (de) | 1976-05-06 |
FR2290101B3 (pt) | 1979-09-14 |
DE2451912C3 (de) | 1980-02-07 |
ATA762275A (de) | 1979-01-15 |
ZA755999B (en) | 1976-08-25 |
GB1527891A (en) | 1978-10-11 |
NL7512666A (nl) | 1976-05-04 |
CH587592A5 (pt) | 1977-05-13 |
SE7512045L (sv) | 1976-05-03 |
FR2290101A1 (fr) | 1976-05-28 |
IT1043523B (it) | 1980-02-29 |
SE402508B (sv) | 1978-07-03 |
DE2451912B2 (de) | 1979-06-13 |
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