KR900003703Y1 - 피아이피(pip)기능을 위한 멀티튜너 부가시스템 - Google Patents
피아이피(pip)기능을 위한 멀티튜너 부가시스템 Download PDFInfo
- Publication number
- KR900003703Y1 KR900003703Y1 KR2019870014822U KR870014822U KR900003703Y1 KR 900003703 Y1 KR900003703 Y1 KR 900003703Y1 KR 2019870014822 U KR2019870014822 U KR 2019870014822U KR 870014822 U KR870014822 U KR 870014822U KR 900003703 Y1 KR900003703 Y1 KR 900003703Y1
- Authority
- KR
- South Korea
- Prior art keywords
- transistor
- band
- interface
- tuner
- resistor
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/50—Tuning indicators; Automatic tuning control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
- H04N5/45—Picture in picture, e.g. displaying simultaneously another television channel in a region of the screen
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
Description
Claims (1)
- 밴드선택스위치(BS1-BSn)가 레귤레이터(5)의 출력측에 접속된 가변저항(VR11-VR1n) 및 채널선택제어용 집적회로(1)의 채널단자(CH1-CHn)에 다이오드(D11-D1n)를 각각 통해 접속되어 그의 고정 단자(e1-en),(f1-fn),(g1-gn)가 레귤레이터(6)의 밴드단자(VL),(VH),(UHF)에 각각 공통 접속된 멀티튜너시스템에 있어서, 상기 레귤레이터(5)의 출력측에 접속된 저항(R1)을 트랜지스터(TR2)의 에미터에 접속하고 그 인터페이스(6)의 출력측을 저항(R6)을 통해 콘덴서(C2) 및 트랜지스터(TR3)의 에미터, 트랜지스터(TR4)의 베이스에 공통 접속하여, 상기 트랜지스터(TR2),(TR3)의 콜렉터를 다이오드(D21)를 통해 상기 가변저항(VR11)의 가변탭에 접속하고 트랜지스터(TR4)의 에미터를 멀티 콘넥터(7)를 통하여 인터페이스(6')의 튜닝전압단자(V-Tu)에 접속하며, 상기 밴드선택스위치(BS1)의 고정단자(e1),(f1),(g1)를 상기 멀티콘넥터(7) 및 아날로그 스위치(AS1),(AS2),(AS3)를 각각 통해 인터페이스(6')의 밴드단자 (VL),(VH),(UHF) 및 상기 인터페이스(6)의 밴드단자(VL),(VH),(UHF)에 접속하고, 상기 아날로그 스위치(AS1-AS3)의 제어단자 및 상기 트랜지스터(TR3)의 베이스측을 다이오드(D1),(D2)를 각각 통해 트랜지스터(TR5)의 콜렉터에 접속한 후 그의 베이스를 전원(Vcc)에 접속된 저항(R11)에 접속함과 아울러 다이오드(D3)를 통해 상기 트랜지스터(TR2)의 베이스측 및 상기 멀티 콘넥터(7)를 통하여 스위치(SW1)에 접속하여 구성함을 특징으로 하는 피아이피 기능을 위한 멀티튜너 부가시스템.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019870014822U KR900003703Y1 (ko) | 1987-08-31 | 1987-08-31 | 피아이피(pip)기능을 위한 멀티튜너 부가시스템 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019870014822U KR900003703Y1 (ko) | 1987-08-31 | 1987-08-31 | 피아이피(pip)기능을 위한 멀티튜너 부가시스템 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR890005776U KR890005776U (ko) | 1989-04-21 |
| KR900003703Y1 true KR900003703Y1 (ko) | 1990-04-30 |
Family
ID=19267263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019870014822U Expired KR900003703Y1 (ko) | 1987-08-31 | 1987-08-31 | 피아이피(pip)기능을 위한 멀티튜너 부가시스템 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR900003703Y1 (ko) |
-
1987
- 1987-08-31 KR KR2019870014822U patent/KR900003703Y1/ko not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| KR890005776U (ko) | 1989-04-21 |
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