KR920001956A - 텔레비젼 수상기 - Google Patents
텔레비젼 수상기 Download PDFInfo
- Publication number
- KR920001956A KR920001956A KR1019910008782A KR910008782A KR920001956A KR 920001956 A KR920001956 A KR 920001956A KR 1019910008782 A KR1019910008782 A KR 1019910008782A KR 910008782 A KR910008782 A KR 910008782A KR 920001956 A KR920001956 A KR 920001956A
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- line scan
- television receiver
- output signal
- frame
- Prior art date
Links
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
- H04N21/2383—Channel coding or modulation of digital bit-stream, e.g. QPSK modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
- H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
- H04N7/0803—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division using frequency interleaving, e.g. with precision offset
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/166—Passage/non-passage of the television signal, e.g. jamming, band suppression
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Systems (AREA)
- Picture Signal Circuits (AREA)
- Television Signal Processing For Recording (AREA)
- Color Television Systems (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Noise Elimination (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 프리-엠퍼시스 장치와 디-엠퍼시스 장치를 갖는 HDTV의 블럭도.
Claims (5)
- 텔레비젼 프레임의 라인 주사 기간에 복수개의 라인 주사 신호를 수신하기 위하여, 또한 상기 텔레비젼 프레임의 재추적 기간에 백터 신호를 수신하기 위하여 입력 신호에 응답하는 수단과, 비디오 신호의 최종 부분을 표시하는 현재 설정의 신호를 저장하기 위한 프레임 버퍼와, 상기 버퍼 수단에 저장된 현재 설정의 신호를 상기 백터신호와 결합하는 해독 수단과, 상기 해독 신호의 출력 신호를 상기 라인 주사 신호에 따라 보정하는 수단과, 상기 프레임 버퍼 수단에서의 보정 수단의 출력 신호를 저장하기 위한 수단을 구비한 텔레비젼 수상기에 있어서, 상기 입력 신호와 상기 수신을 위한 수단 사이에 놓인 디-앰퍼시스 회로는, 소정 갯수의 라인 주사 신호의 신호를 저장하기 위한 상기 입력 신호내에서 상기 라인 주사 신호에 응답하는 지연 수단과, 상기 복수개의 라인 주사 신호중의 신호를 선정된 팩터에 의하여 감쇄시키기 위하여 상기 입력 신호내에서 상기 라인 주사 신호에 응답하는 감쇄 수단과, 상기 디-엠퍼시스 회로의 출력 신호를 발생하기 위하여 상기 감쇄 수단의 출력 신호와 상기 지연 수단의 출력 신호를 결합 수단을 갖는 것을 특징으로 하는 텔레비젼 수상기.
- 제1항에 있어서, 상기 라인 주사 신호의 갯수는 1개인 텔레비젼 수상기.
- 제1항에 있어서, 상기 라인 주사 신호의 갯수는 1개 이상인 텔레비젼 수상기.
- 제1항에 있어서, 상기 라인 주사 신호의 갯수는 정수가 아닌 텔레비젼 수상기.
- 제1항에 있어서, 상기 디-엠퍼시스 회로는 결합수단에 응답하는 신호 디-스크램블링 수단을 포함하는 텔레비젼 수상기.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US532,526 | 1990-06-01 | ||
US07/532,526 US5144435A (en) | 1990-06-01 | 1990-06-01 | Noise immunity in N signals |
Publications (1)
Publication Number | Publication Date |
---|---|
KR920001956A true KR920001956A (ko) | 1992-01-30 |
Family
ID=24122169
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019910008782A KR920001956A (ko) | 1990-06-01 | 1991-05-29 | 텔레비젼 수상기 |
Country Status (5)
Country | Link |
---|---|
US (1) | US5144435A (ko) |
JP (1) | JP2587025B2 (ko) |
KR (1) | KR920001956A (ko) |
CA (1) | CA2042163C (ko) |
MX (1) | MX173513B (ko) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62110573A (ja) * | 1985-11-08 | 1987-05-21 | Mitsubishi Motors Corp | 後輪操舵装置 |
US5438369A (en) * | 1992-08-17 | 1995-08-01 | Zenith Electronics Corporation | Digital data interleaving system with improved error correctability for vertically correlated interference |
US6009123A (en) * | 1994-04-01 | 1999-12-28 | Fujitsu Limited | Process and system for transferring vector signal with precoding for signal power reduction |
US5686966A (en) * | 1994-04-06 | 1997-11-11 | De La Cierva, Sr.; Juan | Digital data transmission system for transmitting digital data in a predetermined bandwidth without distortion |
US5632504A (en) * | 1994-11-21 | 1997-05-27 | Gallagher; Daniel M. | Trailer spring |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4703350A (en) * | 1985-06-03 | 1987-10-27 | Picturetel Corporation | Method and apparatus for efficiently communicating image sequences |
JPS6240887A (ja) * | 1985-08-17 | 1987-02-21 | Nippon Hoso Kyokai <Nhk> | エンフアシス方式 |
JPS6318811A (ja) * | 1986-07-11 | 1988-01-26 | Victor Co Of Japan Ltd | 雑音低減回路 |
US4684983A (en) * | 1986-07-31 | 1987-08-04 | Rca Corporation | Non-linear processor for reducing the dynamic range of a digitized error signal |
US4851906A (en) * | 1986-11-04 | 1989-07-25 | Nec Corporation | Data compression using orthogonal transform and vector quantization |
US4837611A (en) * | 1988-02-03 | 1989-06-06 | Faroudja Y C | Wideband NTSC-compatible transmission system with noise reduction processing |
JPH01204573A (ja) * | 1988-02-10 | 1989-08-17 | Sony Corp | 雑音低減回路 |
US4918515A (en) * | 1988-06-20 | 1990-04-17 | Faroudja Y C | Compatible television transmission system with separate preemphasis path within single channel |
-
1990
- 1990-06-01 US US07/532,526 patent/US5144435A/en not_active Expired - Lifetime
-
1991
- 1991-05-09 CA CA002042163A patent/CA2042163C/en not_active Expired - Fee Related
- 1991-05-27 MX MX025939A patent/MX173513B/es unknown
- 1991-05-29 KR KR1019910008782A patent/KR920001956A/ko not_active Application Discontinuation
- 1991-06-01 JP JP3155074A patent/JP2587025B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5144435A (en) | 1992-09-01 |
CA2042163A1 (en) | 1991-12-02 |
CA2042163C (en) | 1995-02-07 |
JPH0646376A (ja) | 1994-02-18 |
MX173513B (es) | 1994-03-10 |
JP2587025B2 (ja) | 1997-03-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WITN | Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid |