KR890002594B1 - 위성방송과 tv방송 입체형 수신기의 튜닝회로 - Google Patents
위성방송과 tv방송 입체형 수신기의 튜닝회로 Download PDFInfo
- Publication number
- KR890002594B1 KR890002594B1 KR1019860002852A KR860002852A KR890002594B1 KR 890002594 B1 KR890002594 B1 KR 890002594B1 KR 1019860002852 A KR1019860002852 A KR 1019860002852A KR 860002852 A KR860002852 A KR 860002852A KR 890002594 B1 KR890002594 B1 KR 890002594B1
- Authority
- KR
- South Korea
- Prior art keywords
- frequency
- satellite
- mode
- output
- 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
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
Landscapes
- Superheterodyne Receivers (AREA)
- Television Receiver Circuits (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Abstract
Description
Claims (1)
- TV방송과 위성방송을 겸용하여 수신할 수 있도록 모드를 선택적으로 인가하는 데이터 입력부(7)와, 데이터 입력부(7)에서 입력된 모드에 의해 입력선택부(9) 및 출력선택부(14)에 제어 전압을 출력하는 제어부(8)와, 선택된 모드에 해당하는 주파수를 분주하는 분주기(10)의 출력을 받아 모드에 따라서 카운트하는 시간이 결정되는 동안 주파수를 카운트하는 카운터(11)와, 카운트된 주파수와 모드에 따라 결정되는 기준 주파수(12)의 위상을 비교하는 위상검출기(12)와, 상기 위상검출기(12)에서 출력된 펄스를 직류 전압으로 변화시켜 국부발진기(4)(4')에 인가하는 저역필터(13)등을 포함하여 이루어지는 것을 특징으로하는 위성방송과 TV방송 일체용 수신기의 튜닝회로.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019860002852A KR890002594B1 (ko) | 1986-04-14 | 1986-04-14 | 위성방송과 tv방송 입체형 수신기의 튜닝회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019860002852A KR890002594B1 (ko) | 1986-04-14 | 1986-04-14 | 위성방송과 tv방송 입체형 수신기의 튜닝회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR870010689A KR870010689A (ko) | 1987-11-30 |
KR890002594B1 true KR890002594B1 (ko) | 1989-07-19 |
Family
ID=19249414
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019860002852A Expired KR890002594B1 (ko) | 1986-04-14 | 1986-04-14 | 위성방송과 tv방송 입체형 수신기의 튜닝회로 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR890002594B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0493653A1 (en) * | 1990-12-31 | 1992-07-08 | Samsung Electronics Co. Ltd. | Color tv satellite broadcast receiver internally installed |
-
1986
- 1986-04-14 KR KR1019860002852A patent/KR890002594B1/ko not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0493653A1 (en) * | 1990-12-31 | 1992-07-08 | Samsung Electronics Co. Ltd. | Color tv satellite broadcast receiver internally installed |
Also Published As
Publication number | Publication date |
---|---|
KR870010689A (ko) | 1987-11-30 |
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