IE37957B1 - Improvements in or relating to frequency selective circuit arrangements - Google Patents
Improvements in or relating to frequency selective circuit arrangementsInfo
- Publication number
- IE37957B1 IE37957B1 IE1288/73A IE128873A IE37957B1 IE 37957 B1 IE37957 B1 IE 37957B1 IE 1288/73 A IE1288/73 A IE 1288/73A IE 128873 A IE128873 A IE 128873A IE 37957 B1 IE37957 B1 IE 37957B1
- Authority
- IE
- Ireland
- Prior art keywords
- frequency selective
- selective circuit
- relating
- circuit arrangements
- attenuation characteristic
- 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
- H04B3/14—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)
- Filters And Equalizers (AREA)
- Networks Using Active Elements (AREA)
- Electron Tubes For Measurement (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2237578A DE2237578A1 (de) | 1972-07-31 | 1972-07-31 | Einstellbarer entzerrer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IE37957L IE37957L (en) | 1974-01-31 |
| IE37957B1 true IE37957B1 (en) | 1977-11-23 |
Family
ID=5852213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IE1288/73A IE37957B1 (en) | 1972-07-31 | 1973-07-30 | Improvements in or relating to frequency selective circuit arrangements |
Country Status (21)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7707542A (nl) * | 1977-07-07 | 1979-01-09 | Philips Nv | Dempingseffenaar voor het corrigeren van een temperatuur- en frequentie-afhankelijke kabel- demping. |
| US7808340B2 (en) * | 2008-02-29 | 2010-10-05 | General Instrument Corporation | Plug-in device for signal correction |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE527031A (US07709020-20100504-C00068.png) * | 1953-03-16 | |||
| NL97465C (US07709020-20100504-C00068.png) * | 1953-11-04 | |||
| GB1243289A (en) * | 1969-02-14 | 1971-08-18 | Post Office | Improvements relating to electrical networks for echo pattern generation |
-
1972
- 1972-07-31 DE DE2237578A patent/DE2237578A1/de not_active Withdrawn
-
1973
- 1973-07-19 GB GB3442573A patent/GB1443812A/en not_active Expired
- 1973-07-24 AT AT651873A patent/AT338334B/de not_active IP Right Cessation
- 1973-07-27 IT IT27169/73A patent/IT992730B/it active
- 1973-07-27 AU AU58637/73A patent/AU476255B2/en not_active Expired
- 1973-07-27 FR FR7327659A patent/FR2195119B1/fr not_active Expired
- 1973-07-27 CA CA177,448A patent/CA996208A/en not_active Expired
- 1973-07-27 IL IL42834A patent/IL42834A/en unknown
- 1973-07-30 NL NL737310519A patent/NL152144B/xx not_active IP Right Cessation
- 1973-07-30 HU HUSI1330A patent/HU166776B/hu unknown
- 1973-07-30 AR AR249354A patent/AR195357A1/es active
- 1973-07-30 US US00383992A patent/US3854659A/en not_active Expired - Lifetime
- 1973-07-30 IE IE1288/73A patent/IE37957B1/xx unknown
- 1973-07-30 CH CH1103873A patent/CH560492A5/xx not_active IP Right Cessation
- 1973-07-31 JP JP8625373A patent/JPS5317462B2/ja not_active Expired
- 1973-07-31 BE BE134108A patent/BE803070A/xx unknown
- 1973-07-31 BR BR5817/73A patent/BR7305817D0/pt unknown
- 1973-07-31 YU YU02081/73A patent/YU208173A/xx unknown
- 1973-07-31 PL PL1973164424A patent/PL89354B1/pl unknown
- 1973-07-31 SE SE7310527A patent/SE414853B/xx unknown
- 1973-07-31 TR TR17487A patent/TR17487A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IT992730B (it) | 1975-09-30 |
| ATA651873A (de) | 1976-12-15 |
| AR195357A1 (es) | 1973-09-28 |
| BE803070A (fr) | 1973-11-16 |
| NL7310519A (US07709020-20100504-C00068.png) | 1974-02-04 |
| PL89354B1 (US07709020-20100504-C00068.png) | 1976-11-30 |
| SE414853B (sv) | 1980-08-18 |
| US3854659A (en) | 1974-12-17 |
| AU5863773A (en) | 1975-01-30 |
| DE2237578A1 (de) | 1974-02-21 |
| FR2195119B1 (US07709020-20100504-C00068.png) | 1976-05-07 |
| HU166776B (US07709020-20100504-C00068.png) | 1975-05-28 |
| FR2195119A1 (US07709020-20100504-C00068.png) | 1974-03-01 |
| AU476255B2 (en) | 1976-09-16 |
| YU208173A (en) | 1982-02-28 |
| GB1443812A (en) | 1976-07-28 |
| CA996208A (en) | 1976-08-31 |
| TR17487A (tr) | 1975-07-23 |
| IL42834A (en) | 1976-05-31 |
| AT338334B (de) | 1977-08-25 |
| JPS4953745A (US07709020-20100504-C00068.png) | 1974-05-24 |
| IL42834A0 (en) | 1973-10-25 |
| IE37957L (en) | 1974-01-31 |
| NL152144B (nl) | 1977-01-17 |
| JPS5317462B2 (US07709020-20100504-C00068.png) | 1978-06-08 |
| CH560492A5 (US07709020-20100504-C00068.png) | 1975-03-27 |
| BR7305817D0 (pt) | 1974-07-11 |
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