KR860006891A - 텔레비젼 신호 입력 필터 - Google Patents
텔레비젼 신호 입력 필터 Download PDFInfo
- Publication number
- KR860006891A KR860006891A KR1019860000787A KR860000787A KR860006891A KR 860006891 A KR860006891 A KR 860006891A KR 1019860000787 A KR1019860000787 A KR 1019860000787A KR 860000787 A KR860000787 A KR 860000787A KR 860006891 A KR860006891 A KR 860006891A
- Authority
- KR
- South Korea
- Prior art keywords
- television signal
- filter
- input
- output
- frequency
- 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
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/17—Structural details of sub-circuits of frequency selective networks
- H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
- H03H7/1758—Series LC in shunt or branch path
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H5/00—One-port networks comprising only passive electrical elements as network components
- H03H5/02—One-port networks comprising only passive electrical elements as network components without voltage- or current-dependent elements
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/0115—Frequency selective two-port networks comprising only inductors and capacitors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Filters And Equalizers (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Noise Elimination (AREA)
- Picture Signal Circuits (AREA)
- Superheterodyne Receivers (AREA)
Abstract
Description
Claims (8)
- 텔레비젼 신호 소스(15)와: 중간 텔레비젼 신호 주파수를 발생시키는 무선 주파수 신호 처리단(30)과: 신호 통로를 경유하여 상기 무선주파수 처리단에 여파된 텔레비젼 신호를 공급하도록 상기 텔레비젼신호에 응답하는 대역 통과 필터로 이루어진 텔레비젼 신호 처리 시스템에 있어서, 상기 필터가, 상기 신호 통로를 분로하는 직렬 공진회로(L1, C1)를 포함하는 입력부와, 상기 신호 통로를 분로하는 직렬 공진회로(L4, C4)를 포함하는 출력부로 이루어진 것을 특징으로 하는 텔레비젼 신호 입력 필터.
- 제1항에 있어서, 상기 입력 및 출력부의 하나가 비디오 중간주파수에서 트랩을 형성하기 위하여 비디오 중간 주파수에 공진하며, 상기 입력 및 출력부의 다른 하나가 무선주파수 단에 의해 처리될 텔레비젼 신호 주파수의 대역 이하에서, 음성 중간 주파수가 아닌 다른 주파수에서 공진하도록 구성시킨 것을 특징으로 하는 텔레비젼 신호 입력 필터.
- 제2항에 있어서, 상기 부의 하나가 입력부이고, 상기 부의 다른 하나는 출력부인 것을 특징으로 하는 텔레비젼 신호 입력 필터.
- 제2항에 있어서, 입력 1차(20a) 및 출력 2차(20b) 권선을 갖는 변압기(20)가 상기 대역통과 필터에서 상기 무선 주파수처리단으로 출력 신호를 접속시키도록 구성한 것을 특징으로 하는 텔레비젼 신호 입력 필터.
- 제2항에 있어서, 상기 소스가 저역 VHF 텔레비젼 신호의 소스에 대응하는 것을 특징으로 하는 텔레비젼 신호 입력 필터.
- 제1항에 있어서, 상기 입력부가 인덕턴스와 캐패시턴스의 직렬공진 결합을 포함하고, 상기 출력부가 인덕턴스와 캐패시턴스의 직렬공진 결합을 포함하며, 상기 입력부가 중간 필터부(C2, C3, L2)를 경유하여 상기 출력부에 접속되도록 구성시킨 것을 특징으로 하는 텔레비젼 신호 입력 필터.
- 제6항에 있어서, 상기 중간 필터부가 고역 통과 필터인 것을 특징으로 하는 텔레비젼 신호 입력 필터.
- 제7항에 있어서, 상기 중간부가 상기 입력부 및 출력부 사이의 신호 통도에 직렬접속된 제1(C2) 및 제2(C3) 캐패시턴스와, 상기 제1 및 제2캐패시턴스 사이의 지점을 분로하는 인덕턴스(L2)를 포함하는 것을 특징으로 하는 텔레비젼 신호 입력 필터.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/705,494 US4642691A (en) | 1985-02-28 | 1985-02-28 | Television signal input filter |
US705,494 | 1985-02-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR860006891A true KR860006891A (ko) | 1986-09-15 |
KR930010171B1 KR930010171B1 (ko) | 1993-10-15 |
Family
ID=24833722
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019860000787A Expired - Fee Related KR930010171B1 (ko) | 1985-02-28 | 1986-02-05 | 텔레비젼 신호 처리 장치 |
Country Status (9)
Country | Link |
---|---|
US (1) | US4642691A (ko) |
JP (1) | JP2562873B2 (ko) |
KR (1) | KR930010171B1 (ko) |
CA (1) | CA1240791A (ko) |
DE (1) | DE3606660A1 (ko) |
FR (1) | FR2578122B1 (ko) |
GB (1) | GB2171871B (ko) |
HK (1) | HK115193A (ko) |
SG (1) | SG45291G (ko) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4956710A (en) * | 1989-04-14 | 1990-09-11 | Rca Licensing Corporation | Television receiver tuner high pass input filter with CB trap |
US5198903A (en) * | 1990-04-12 | 1993-03-30 | Gemini Industries Inc. | Television frequency converter with automatic gain control and output terminal isolation |
JPH04252679A (ja) * | 1991-01-29 | 1992-09-08 | Matsushita Electric Ind Co Ltd | テレビジョン受像機 |
JPH0583149A (ja) * | 1991-09-20 | 1993-04-02 | Pioneer Electron Corp | トラツプ回路 |
JP3599951B2 (ja) * | 1997-05-12 | 2004-12-08 | アルプス電気株式会社 | テレビジョンチュ−ナ |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB516252A (en) * | 1938-07-19 | 1939-12-28 | Gen Electric Co Ltd | Improvements in television and like receivers |
US3217096A (en) * | 1961-06-02 | 1965-11-09 | Motorola Inc | Signal coupling and trap network |
US3204025A (en) * | 1961-10-27 | 1965-08-31 | Zenith Radio Corp | Television receiver with adjacent sound trap control |
DE1909244A1 (de) * | 1969-02-25 | 1970-08-27 | Blaupunkt Werke Gmbh | Schaltungsanordnung fuer einen Fernsehempfaenger mit umschaltbarem Empfaenger-Eingangsfilter |
US3852670A (en) | 1973-10-29 | 1974-12-03 | Zenith Radio Corp | Tuner with integral input filter |
US4263619A (en) * | 1979-04-20 | 1981-04-21 | Rca Corporation | Double trapping of adjacent channel sound |
US4408348A (en) * | 1981-08-19 | 1983-10-04 | Rca Corporation | Multiband tuning system for a television receiver |
US4397037A (en) * | 1981-08-19 | 1983-08-02 | Rca Corporation | Diplexer for television tuning systems |
-
1985
- 1985-02-28 US US06/705,494 patent/US4642691A/en not_active Expired - Lifetime
-
1986
- 1986-02-05 KR KR1019860000787A patent/KR930010171B1/ko not_active Expired - Fee Related
- 1986-02-13 CA CA000501785A patent/CA1240791A/en not_active Expired
- 1986-02-18 GB GB08604015A patent/GB2171871B/en not_active Expired
- 1986-02-25 JP JP61041341A patent/JP2562873B2/ja not_active Expired - Fee Related
- 1986-02-27 FR FR868602727A patent/FR2578122B1/fr not_active Expired - Lifetime
- 1986-02-28 DE DE19863606660 patent/DE3606660A1/de active Granted
-
1991
- 1991-06-15 SG SG45291A patent/SG45291G/en unknown
-
1993
- 1993-10-28 HK HK1151/93A patent/HK115193A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE3606660A1 (de) | 1986-08-28 |
DE3606660C2 (ko) | 1992-04-30 |
FR2578122A1 (fr) | 1986-08-29 |
GB8604015D0 (en) | 1986-03-26 |
SG45291G (en) | 1991-07-26 |
FR2578122B1 (fr) | 1992-04-10 |
CA1240791A (en) | 1988-08-16 |
HK115193A (en) | 1993-11-05 |
US4642691A (en) | 1987-02-10 |
JP2562873B2 (ja) | 1996-12-11 |
KR930010171B1 (ko) | 1993-10-15 |
GB2171871A (en) | 1986-09-03 |
GB2171871B (en) | 1988-12-29 |
JPS61202507A (ja) | 1986-09-08 |
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