FR2181593B1 - - Google Patents
Info
- Publication number
- FR2181593B1 FR2181593B1 FR7215578A FR7215578A FR2181593B1 FR 2181593 B1 FR2181593 B1 FR 2181593B1 FR 7215578 A FR7215578 A FR 7215578A FR 7215578 A FR7215578 A FR 7215578A FR 2181593 B1 FR2181593 B1 FR 2181593B1
- 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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/01—Equalisers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Filters That Use Time-Delay Elements (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7215578A FR2181593B1 (US06492441-20021210-C00072.png) | 1972-04-26 | 1972-04-26 | |
| IT22160/73A IT982635B (it) | 1972-04-26 | 1973-03-07 | Equalizzatore perfezionato parti colarmente per l impiego in si stemi di trasmissione a modula zione di fase |
| JP48026237A JPS5246764B2 (US06492441-20021210-C00072.png) | 1972-04-26 | 1973-03-07 | |
| CA167,865A CA984472A (en) | 1972-04-26 | 1973-03-28 | Equalizers for use in phase-modulation transmission systems |
| DE2317597A DE2317597C3 (de) | 1972-04-26 | 1973-04-07 | Verfahren und Schaltungsanordnung zum Entzerren eines nach Übertragung mittels Phasenmodulation mit linearen Verzerrungen behafteten Signals vor der Demodulation |
| GB1940373A GB1424701A (en) | 1972-04-26 | 1973-04-24 | Adaptive equalizer for use in phasemodulation transmission system |
| US00354413A US3843942A (en) | 1972-04-26 | 1973-04-25 | Equalizer for phase modulation communication systems using the instantaneous signal amplitude weighted by signal envelope amplitude distortion as an adjustment control signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7215578A FR2181593B1 (US06492441-20021210-C00072.png) | 1972-04-26 | 1972-04-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2181593A1 FR2181593A1 (US06492441-20021210-C00072.png) | 1973-12-07 |
| FR2181593B1 true FR2181593B1 (US06492441-20021210-C00072.png) | 1974-10-18 |
Family
ID=9097856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7215578A Expired FR2181593B1 (US06492441-20021210-C00072.png) | 1972-04-26 | 1972-04-26 |
Country Status (7)
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5432914A (en) * | 1977-08-19 | 1979-03-10 | Nec Corp | Pass band-type automatic equalizer |
| JPS56166620A (en) * | 1980-05-28 | 1981-12-21 | Toshiba Corp | Automatic equalizer |
| DE3202727A1 (de) * | 1982-01-28 | 1983-08-04 | AEG-Telefunken Nachrichtentechnik GmbH, 7150 Backnang | Schaltungsanordnung zur adaptiven entzerrung von troposcatterstrecken im diversitybetrieb |
| US4635276A (en) * | 1985-07-25 | 1987-01-06 | At&T Bell Laboratories | Asynchronous and non-data decision directed equalizer adjustment |
| US7376159B1 (en) | 2002-01-03 | 2008-05-20 | The Directv Group, Inc. | Exploitation of null packets in packetized digital television systems |
| AU2003226029A1 (en) * | 2002-03-29 | 2003-10-20 | Ecolab, Inc. | Method and apparatus for automatic pest trap report generation and for recording additional trap parameter data |
| US7286473B1 (en) | 2002-07-10 | 2007-10-23 | The Directv Group, Inc. | Null packet replacement with bi-level scheduling |
| US7647221B2 (en) * | 2003-04-30 | 2010-01-12 | The Directv Group, Inc. | Audio level control for compressed audio |
| US7912226B1 (en) * | 2003-09-12 | 2011-03-22 | The Directv Group, Inc. | Automatic measurement of audio presence and level by direct processing of an MPEG data stream |
| US9729120B1 (en) | 2011-07-13 | 2017-08-08 | The Directv Group, Inc. | System and method to monitor audio loudness and provide audio automatic gain control |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3283063A (en) * | 1962-04-11 | 1966-11-01 | Fujitsu Ltd | Automatic equalizer system |
| US3550005A (en) * | 1968-03-01 | 1970-12-22 | Milgo Electronic Corp | Equalization circuit |
| US3564457A (en) * | 1968-07-18 | 1971-02-16 | Bell Telephone Labor Inc | Start up circuit for adaptive equalizer |
| DE2027544B2 (de) * | 1970-06-04 | 1973-12-13 | Siemens Ag, 1000 Berlin U. 8000 Muenchen | Automatischer Entzerrer fur phasenmoduliert« Datensignale |
| US3743975A (en) * | 1972-02-22 | 1973-07-03 | Bell Telephone Labor Inc | Adjustable equalizer control apparatus |
-
1972
- 1972-04-26 FR FR7215578A patent/FR2181593B1/fr not_active Expired
-
1973
- 1973-03-07 IT IT22160/73A patent/IT982635B/it active
- 1973-03-07 JP JP48026237A patent/JPS5246764B2/ja not_active Expired
- 1973-03-28 CA CA167,865A patent/CA984472A/en not_active Expired
- 1973-04-07 DE DE2317597A patent/DE2317597C3/de not_active Expired
- 1973-04-24 GB GB1940373A patent/GB1424701A/en not_active Expired
- 1973-04-25 US US00354413A patent/US3843942A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE2317597B2 (de) | 1980-07-03 |
| US3843942A (en) | 1974-10-22 |
| DE2317597C3 (de) | 1981-03-12 |
| JPS4922804A (US06492441-20021210-C00072.png) | 1974-02-28 |
| JPS5246764B2 (US06492441-20021210-C00072.png) | 1977-11-28 |
| IT982635B (it) | 1974-10-21 |
| DE2317597A1 (de) | 1973-11-15 |
| CA984472A (en) | 1976-02-24 |
| GB1424701A (en) | 1976-02-11 |
| FR2181593A1 (US06492441-20021210-C00072.png) | 1973-12-07 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |