JPS57192190A - Processing circuit for chrominance signal - Google Patents
Processing circuit for chrominance signalInfo
- Publication number
- JPS57192190A JPS57192190A JP7693881A JP7693881A JPS57192190A JP S57192190 A JPS57192190 A JP S57192190A JP 7693881 A JP7693881 A JP 7693881A JP 7693881 A JP7693881 A JP 7693881A JP S57192190 A JPS57192190 A JP S57192190A
- Authority
- JP
- Japan
- Prior art keywords
- chrominance signal
- chrominance
- changeover
- carrier signal
- switches
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
- H04N9/642—Multi-standard receivers
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Processing Of Color Television Signals (AREA)
- Color Television Systems (AREA)
Abstract
PURPOSE: To perform chrominance signal processing efficiently, by discriminating the system of a chrominance carrier signal with the output of killer detection and holding a changeover switch to a switching state matched to the system.
CONSTITUTION: A carrier signal of a color video signal of the standard MTSC, PAL and virtual NTSC system is processed for the chrominance signal by switching changeover switches 16, 17, 27 and 35. A changeover control circuit 41 controls the changeover switches 16, 17, 27 and 35 with a prescribed period, a carrier signal system is discriminated with a killer detecting output from a killer detection circuit 45, and the switches 16, 17, 27 and 35 are held to the switching state matched to the system. Thus, the chrominance signal processing can efficiently be made.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7693881A JPS57192190A (en) | 1981-05-21 | 1981-05-21 | Processing circuit for chrominance signal |
AU83829/82A AU555815B2 (en) | 1981-05-21 | 1982-05-19 | Pal/ntsc dual-standards chrominance signal processor |
NL8202085A NL192177C (en) | 1981-05-21 | 1982-05-19 | Signal processing circuit for processing the chrominance signal component independently of an applied standard signal transmission mode. |
GB08214731A GB2102237B (en) | 1981-05-21 | 1982-05-20 | Chrominance signal processing circuits |
AT201782A AT384518B (en) | 1981-05-21 | 1982-05-21 | COLOR SIGNAL PROCESSING CIRCUIT |
DE19823219273 DE3219273A1 (en) | 1981-05-21 | 1982-05-21 | CHROMINANCE SIGNAL PROCESSING CIRCUIT |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7693881A JPS57192190A (en) | 1981-05-21 | 1981-05-21 | Processing circuit for chrominance signal |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57192190A true JPS57192190A (en) | 1982-11-26 |
Family
ID=13619672
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7693881A Pending JPS57192190A (en) | 1981-05-21 | 1981-05-21 | Processing circuit for chrominance signal |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS57192190A (en) |
AT (1) | AT384518B (en) |
AU (1) | AU555815B2 (en) |
DE (1) | DE3219273A1 (en) |
GB (1) | GB2102237B (en) |
NL (1) | NL192177C (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4682209A (en) * | 1985-03-25 | 1987-07-21 | U.S. Philips Corporation | Digital chrominance processor with a phase and frequency controlled digital oscillator independent of the stable oscillator frequency |
JPH05244637A (en) * | 1992-07-02 | 1993-09-21 | Sony Corp | Chrominance signal switching circuit |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3342181C2 (en) * | 1983-11-23 | 1986-03-06 | Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen | Integrated circuit for the color decoder of a television receiver |
JPS60169294A (en) * | 1984-02-13 | 1985-09-02 | Sony Corp | Video tape recorder |
US4688082A (en) * | 1984-05-23 | 1987-08-18 | Sharp Kabushiki Kaisha | Multi-system television receiver |
KR940002192Y1 (en) * | 1991-08-17 | 1994-04-08 | 삼성전자 주식회사 | Broadcasting signal detecting for secam tv system |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51102517A (en) * | 1975-03-07 | 1976-09-10 | Sony Corp | KARAATEREBIJUZOKINOKIRIKAEHOHO |
JPS5523689A (en) * | 1978-08-08 | 1980-02-20 | Sanyo Electric Co Ltd | Color television receiver |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5147483B2 (en) * | 1972-03-04 | 1976-12-15 | ||
JPS5086225A (en) * | 1973-11-29 | 1975-07-11 | ||
DE2748465A1 (en) * | 1977-10-28 | 1979-05-03 | Inst Radioelektronika | PROCESS AND EQUIPMENT FOR DECODING SIGNALS FOR COLOR TELEVISION ACCORDING TO THE PAL AND SECAM SYSTEMS WITH AUTOMATIC COMMUTATION |
DE2943271C2 (en) * | 1979-10-26 | 1986-03-20 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Multi-standard color television receiver circuitry |
-
1981
- 1981-05-21 JP JP7693881A patent/JPS57192190A/en active Pending
-
1982
- 1982-05-19 AU AU83829/82A patent/AU555815B2/en not_active Expired
- 1982-05-19 NL NL8202085A patent/NL192177C/en not_active IP Right Cessation
- 1982-05-20 GB GB08214731A patent/GB2102237B/en not_active Expired
- 1982-05-21 DE DE19823219273 patent/DE3219273A1/en active Granted
- 1982-05-21 AT AT201782A patent/AT384518B/en not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51102517A (en) * | 1975-03-07 | 1976-09-10 | Sony Corp | KARAATEREBIJUZOKINOKIRIKAEHOHO |
JPS5523689A (en) * | 1978-08-08 | 1980-02-20 | Sanyo Electric Co Ltd | Color television receiver |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4682209A (en) * | 1985-03-25 | 1987-07-21 | U.S. Philips Corporation | Digital chrominance processor with a phase and frequency controlled digital oscillator independent of the stable oscillator frequency |
JPH05244637A (en) * | 1992-07-02 | 1993-09-21 | Sony Corp | Chrominance signal switching circuit |
Also Published As
Publication number | Publication date |
---|---|
NL8202085A (en) | 1982-12-16 |
GB2102237A (en) | 1983-01-26 |
AU8382982A (en) | 1982-11-25 |
DE3219273C2 (en) | 1990-05-10 |
ATA201782A (en) | 1987-04-15 |
AT384518B (en) | 1987-11-25 |
AU555815B2 (en) | 1986-10-09 |
DE3219273A1 (en) | 1982-12-09 |
NL192177B (en) | 1996-10-01 |
GB2102237B (en) | 1985-06-12 |
NL192177C (en) | 1997-02-04 |
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