FR2507046A1 - Circuit de codage de television en couleur - Google Patents
Circuit de codage de television en couleurInfo
- Publication number
- FR2507046A1 FR2507046A1 FR8209385A FR8209385A FR2507046A1 FR 2507046 A1 FR2507046 A1 FR 2507046A1 FR 8209385 A FR8209385 A FR 8209385A FR 8209385 A FR8209385 A FR 8209385A FR 2507046 A1 FR2507046 A1 FR 2507046A1
- Authority
- FR
- France
- Prior art keywords
- signal
- color
- salva
- circuit
- chrominance signal
- Prior art date
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N11/00—Colour television systems
- H04N11/06—Transmission systems characterised by the manner in which the individual colour picture signal components are combined
- H04N11/12—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only
- H04N11/14—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only in which one signal, modulated in phase and amplitude, conveys colour information and a second signal conveys brightness information, e.g. NTSC-system
- H04N11/143—Encoding means therefor
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Processing Of Color Television Signals (AREA)
- Color Television Systems (AREA)
Abstract
CIRCUIT DE CODAGE DE TELEVISION EN COULEUR NTSC MUNI D'UN CIRCUIT SERIE 4, 9, 14, 13, 14, 15, 20 ET EQUIPE D'UN CIRCUIT DE MATRICE DE SIGNAL DE DIFFERENCE DE COULEURS 4, DE CIRCUITS DE MATRICE DE SIGNAUX I ET Q9, DE DEUX FILTRES PASSE-BAS 13, 14, D'UN CIRCUIT MODULATEUR 15 ET D'UN ETAGE DE SUPERPOSITION 20 SERVANT A DELIVRER UN SIGNAL DE CHROMINANCE MODULE EN QUADRATURE. POUR OBTENIR LA SALVE DE SOUS-PORTEUSE DE COULEUR DANS LE SIGNAL DE CHROMINANCE, UN SIGNAL DE PORTE DE SYNCHRONISATION DE COULEUR S1 EST AJOUTE AU SIGNAL DE DIFFERENCE DE COULEURS -(B-Y) ET SON FLANC AVANT D'IMPULSION EST PRESENT AVANT LE DEBUT DU SIGNAL DE SYNCHRONISATION DE COULEUR. LE SIGNAL DE CHROMINANCE, DANS LEQUEL LA SALVE EST DEFORMEE AU DEBUT PAR LES FILTRES 13, 14 EST AMENE A UN CIRCUIT DE SUPPRESSION DE SIGNAL 26 DANS LEQUEL LE DEBUT DEFORME EST SUPPRIME ET DANS LE SIGNAL DE CHROMINANCE OBTENU EST PRESENT LA SALVE SELON LA NORME. MAINTENANT, UN POTENTIOMETRE 25 PERMET D'ETABLIR L'AMPLITUDE DE LA SALVE SANS DEPHASAGE.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8102618A NL8102618A (nl) | 1981-05-29 | 1981-05-29 | Kleurentelevisiekodeerschakeling. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2507046A1 true FR2507046A1 (fr) | 1982-12-03 |
FR2507046B1 FR2507046B1 (fr) | 1985-05-10 |
Family
ID=19837582
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8209385A Granted FR2507046A1 (fr) | 1981-05-29 | 1982-05-28 | Circuit de codage de television en couleur |
Country Status (7)
Country | Link |
---|---|
US (1) | US4479141A (fr) |
JP (1) | JPS57202191A (fr) |
CA (1) | CA1180105A (fr) |
DE (1) | DE3218918A1 (fr) |
FR (1) | FR2507046A1 (fr) |
GB (1) | GB2100954B (fr) |
NL (1) | NL8102618A (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5923991A (ja) * | 1982-07-30 | 1984-02-07 | Sony Corp | 色相補正回路 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2886632A (en) * | 1952-06-28 | 1959-05-12 | Philco Corp | Carrier-wave modulating system |
US2946846A (en) * | 1953-11-02 | 1960-07-26 | Rca Corp | Color television |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7211380A (fr) * | 1972-08-18 | 1974-02-20 | ||
GB1582984A (en) * | 1976-08-09 | 1981-01-21 | Rca Corp | Video signal recording systems |
-
1981
- 1981-05-29 NL NL8102618A patent/NL8102618A/nl not_active Application Discontinuation
-
1982
- 1982-04-22 US US06/370,894 patent/US4479141A/en not_active Expired - Lifetime
- 1982-05-19 DE DE3218918A patent/DE3218918A1/de active Granted
- 1982-05-26 GB GB08215434A patent/GB2100954B/en not_active Expired
- 1982-05-27 CA CA000403885A patent/CA1180105A/fr not_active Expired
- 1982-05-28 FR FR8209385A patent/FR2507046A1/fr active Granted
- 1982-05-28 JP JP57090027A patent/JPS57202191A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2886632A (en) * | 1952-06-28 | 1959-05-12 | Philco Corp | Carrier-wave modulating system |
US2946846A (en) * | 1953-11-02 | 1960-07-26 | Rca Corp | Color television |
Also Published As
Publication number | Publication date |
---|---|
DE3218918C2 (fr) | 1990-01-04 |
NL8102618A (nl) | 1982-12-16 |
GB2100954B (en) | 1984-11-07 |
GB2100954A (en) | 1983-01-06 |
FR2507046B1 (fr) | 1985-05-10 |
DE3218918A1 (de) | 1983-03-10 |
CA1180105A (fr) | 1984-12-27 |
JPH0247916B2 (fr) | 1990-10-23 |
JPS57202191A (en) | 1982-12-10 |
US4479141A (en) | 1984-10-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CD | Change of name or company name | ||
ST | Notification of lapse |