KR910006316Y1 - 세캄(secam)방식 칼라신호 처리회로 - Google Patents
세캄(secam)방식 칼라신호 처리회로 Download PDFInfo
- Publication number
- KR910006316Y1 KR910006316Y1 KR2019880010937U KR880010937U KR910006316Y1 KR 910006316 Y1 KR910006316 Y1 KR 910006316Y1 KR 2019880010937 U KR2019880010937 U KR 2019880010937U KR 880010937 U KR880010937 U KR 880010937U KR 910006316 Y1 KR910006316 Y1 KR 910006316Y1
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- color signal
- predetermined
- unit
- input
- 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.)
- Expired
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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
- H04N9/648—Video amplifiers
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- 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
- H04N11/18—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous and sequential signals, e.g. SECAM-system
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Processing Of Color Television Signals (AREA)
- Networks Using Active Elements (AREA)
Abstract
Description
Claims (1)
- 세캄(SECAM)방식 칼라신호처리회로에 있어서, 칼러신호입력단자(96)을 통해 입력되는 소정의 칼라신호를 미분 증폭하여 소정 칼라신호의 이득을 증폭하는 칼러신호이득 증폭부(40)와, 상기 칼라신호 이득 증폭부(40)의 칼라신호를 필터링하여 소정의 제1기준 주파수 칼라신호를 생성하는 제1주파수 밴드 패스 필터기(50)와, 상기 제1기준주파수 칼라신호를 임피던스 매칭시킨 후 증폭하는 임피던스 매칭 및 증폭부(60)와, 상기 임피던스 매칭 및 증폭부(60)의 출력신호에 소정의 동기신호를 일치시켜 정확한 칼러신호의 시작시점을 정해주는 동기신호입력부(71)와, 상기 동기신호입력부(71)의 출력신호를 소정 분주하는 분주기(72)와, 상기 분주기(72)의 출력신호를 증폭하는 입력신호 증폭기(73)와, 상기 입력신호증폭기(73)에서 출력되는 신호의 레벨을 조정하는 가변저항(74)와, 상기 재생상태신호입력단자(95)로 입력되는 소정의 재생상태신호에 따라 스위칭되어 소정의 절환신호를 생성 출력하는 절환신호 출력부(80)와, 상기 칼라신호이득증폭부(40) 혹은 상기 가변저항(74)을 통한 출력신호를 임피던스 매칭 및 필터링하여 소정의 제2기준주파수 칼라신호로 변환한 후 출력단자(94)을 통해 소정의 선택된 시스템으로 출력하는 임피던스 매칭 및 제2주파수 밴드 패스 필터부(90)와, 상기 절환신호출력부(80)의 절환신호에 따라 상기 칼라신호 이득증폭부(40)와 상기 임피던스 매칭 및 제2주파수 밴드 패스 필터부(90)를 연결하거나 혹은 상기 가변저항(74)와 상기 임피던스 매칭 및 제2주파수 밴드필터부(90)을 연결하는 절환스위치(97)로 구성됨을 특징으로 하는 회로.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019880010937U KR910006316Y1 (ko) | 1988-07-05 | 1988-07-05 | 세캄(secam)방식 칼라신호 처리회로 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019880010937U KR910006316Y1 (ko) | 1988-07-05 | 1988-07-05 | 세캄(secam)방식 칼라신호 처리회로 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR900004110U KR900004110U (ko) | 1990-02-08 |
| KR910006316Y1 true KR910006316Y1 (ko) | 1991-08-22 |
Family
ID=19277178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019880010937U Expired KR910006316Y1 (ko) | 1988-07-05 | 1988-07-05 | 세캄(secam)방식 칼라신호 처리회로 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR910006316Y1 (ko) |
-
1988
- 1988-07-05 KR KR2019880010937U patent/KR910006316Y1/ko not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| KR900004110U (ko) | 1990-02-08 |
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