BE507449A - - Google Patents
Info
- Publication number
- BE507449A BE507449A BE507449DA BE507449A BE 507449 A BE507449 A BE 507449A BE 507449D A BE507449D A BE 507449DA BE 507449 A BE507449 A BE 507449A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/04—Control of transmission; Equalising
- H04B3/14—Control of transmission; Equalising characterised by the equalising network used
- H04B3/143—Control of transmission; Equalising characterised by the equalising network used using amplitude-frequency equalisers
- H04B3/145—Control of transmission; Equalising characterised by the equalising network used using amplitude-frequency equalisers variable equalisers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Networks Using Active Elements (AREA)
- Filters And Equalizers (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1028641T | 1950-11-30 | ||
| US256239A US2777994A (en) | 1950-11-30 | 1951-11-14 | Level regulating devices for transmission systems for coaxial cables |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE507449A true BE507449A (cs) |
Family
ID=26235217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE507449D BE507449A (cs) | 1950-11-30 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2777994A (cs) |
| BE (1) | BE507449A (cs) |
| DE (1) | DE901901C (cs) |
| FR (1) | FR1028641A (cs) |
| GB (1) | GB689554A (cs) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3132209A (en) * | 1957-09-09 | 1964-05-05 | North Electric Co | Substation filter having saturable reactor for selectively furnishing frequency dependent coupling under hook switch control |
| SE348087B (cs) * | 1971-09-20 | 1972-08-21 | Ericsson Telefon Ab L M | |
| NL7707542A (nl) * | 1977-07-07 | 1979-01-09 | Philips Nv | Dempingseffenaar voor het corrigeren van een temperatuur- en frequentie-afhankelijke kabel- demping. |
| US4132863A (en) * | 1977-12-20 | 1979-01-02 | Bell Telephone Laboratories, Incorporated | Automatic gain and return loss compensating line circuit |
| US5345504A (en) * | 1988-03-10 | 1994-09-06 | Scientific-Atlanta, Inc. | Differential compensation control for off-premises CATV system |
| US5231660A (en) * | 1988-03-10 | 1993-07-27 | Scientific-Atlanta, Inc. | Compensation control for off-premises CATV system |
| US5144267A (en) * | 1989-12-06 | 1992-09-01 | Scientific-Atlanta, Inc. | Variable slope network for off-premises CATV system |
| US5471527A (en) * | 1993-12-02 | 1995-11-28 | Dsc Communications Corporation | Voice enhancement system and method |
| US5724387A (en) * | 1994-08-12 | 1998-03-03 | Tektronix, Inc. | Cable loss simulator for serial digital source using a passive network |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1606817A (en) * | 1925-12-07 | 1926-11-16 | Bell Telephone Labor Inc | Electrical network |
| US1762737A (en) * | 1929-03-29 | 1930-06-10 | Bell Telephone Labor Inc | System employing space-discharge device |
| US2096027A (en) * | 1936-01-30 | 1937-10-19 | Bell Telephone Labor Inc | Attenuation equalizer |
| US2330216A (en) * | 1939-01-30 | 1943-09-28 | Cons Eng Corp | Apparatus for seismic prospecting |
| US2238023A (en) * | 1939-03-23 | 1941-04-08 | Esme E Rosaire | Equalizer |
| US2304545A (en) * | 1941-08-23 | 1942-12-08 | Bell Telephone Labor Inc | Wave transmission network |
| NL64980C (cs) * | 1943-06-21 | |||
| US2650350A (en) * | 1948-11-04 | 1953-08-25 | Gen Electric | Angular modulating system |
-
0
- BE BE507449D patent/BE507449A/xx unknown
-
1950
- 1950-11-30 FR FR1028641D patent/FR1028641A/fr not_active Expired
-
1951
- 1951-10-01 GB GB22811/51A patent/GB689554A/en not_active Expired
- 1951-11-14 US US256239A patent/US2777994A/en not_active Expired - Lifetime
- 1951-11-27 DE DEC5015A patent/DE901901C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1028641A (fr) | 1953-05-26 |
| US2777994A (en) | 1957-01-15 |
| DE901901C (de) | 1954-01-18 |
| GB689554A (en) | 1953-04-01 |