MY103829A - Compatible widescreen tv/extended definition widescreen television system using plural signal transmission channels. - Google Patents
Compatible widescreen tv/extended definition widescreen television system using plural signal transmission channels.Info
- Publication number
- MY103829A MY103829A MYPI89000233A MYPI19890233A MY103829A MY 103829 A MY103829 A MY 103829A MY PI89000233 A MYPI89000233 A MY PI89000233A MY PI19890233 A MYPI19890233 A MY PI19890233A MY 103829 A MY103829 A MY 103829A
- Authority
- MY
- Malaysia
- Prior art keywords
- signal
- mhz
- main
- widescreen
- image
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N11/00—Colour television systems
- H04N11/24—High-definition television systems
- H04N11/26—High-definition television systems involving two-channel transmission
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N11/00—Colour television systems
- H04N11/24—High-definition television systems
- H04N11/30—High-definition television systems with transmission of the extra information by means of quadrature modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
Abstract
A SYSTEM FOR TRANSMITTING AND RECEIVING SIGNALS REPRESENTING A HIGH-DEFINITION TELEVISION (HDTV) IMAGE IS DISCLOSED. THE SIGNALS ARE SENT OVER TWO CONVENTIONAL 6 MHZ NSTC CHANNELS. A FIRST SIGNAL, THE MAIN SIGNAL, IS DEVELOPED BY ENCODING CIRCUITRY (112) FROM HDTV SOURCE SIGNALS TO BE COMPATIBLE WITH EXISTING NSTC RECEIVERS (122) IN THAT IT PRODUCES A DISPLAY ON THOSE RECEIVERS WHICH IS NOT SIGNIFICANTLY DISTORTED. THE MAIN INCLUDES PSYCHO-PHYSICALLY HIDDEN VIDEO INFORMATION WHICH MAY BE USED BY AN EXTENDED DEFINITION RECEIVER (128) TO PRODUCE A WIDESCREEN IMAGE HAVING A HIGHER LEVEL OF DETAIL THAN A CONVENTIONAL VIDEO IMAGE. A SECOND SIGNAL, THE AUXILIARY SIGNAL (AUX), IS DEVELOPED AT THE TRANSMITTER BY DECODING THE MAIN SIGNAL (140) AND SUBTRACTING THE DECODED MAIN SIGNAL FROM THE ORIGINAL HDTV SOURCE SIGNALS. THE AUXILIARY SIGNAL, WHICH INCLUDES FREQUENCY COMPONENTS FROM 0 HZ TO 20 MHZ IS SPLIT INTO THREE BANDS, A (0 HZ-6 MHZ), B (6 MHZ-12 MHZ) AND C (12 MHZ-18MHZ). BANDS B AND C ARE FREQUENCY CONVERTED TO OCCUPY THE 0 HZ-6 MHZ BAND AND ARE TIME DIVISION MULTIPLEXED ON A LINE BY LINE BASIS. THE COMBINED B AND C BANDS ARE THEN TIME DIVISION MULTIPLEXED WITH THE A BAND ON A FRAME BY FRAME BASIS FOR STILL IMAGES. FOR MOVING IMAGES, ONLY THE A BAND IS SENT. THE RECEIVER (136) DECODES THE MAIN SIGNAL, AND, USING A MOTION SIGNAL SENT WITH THE MAIN SIGNAL, DECODES THE AUXILIARY SIGNAL. THE DECODED MAIN AND AUXILIARY SIGNALS ARE COMBINED TO REPRODUCE THE HDTV IMAGE.@@(FIG. 1)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB888804720A GB8804720D0 (en) | 1988-02-29 | 1988-02-29 | Compatible widescreen tv |
US07/252,340 US4888641A (en) | 1988-02-29 | 1988-10-03 | Extended definition widescreen television system using plural signal transmission channels |
Publications (1)
Publication Number | Publication Date |
---|---|
MY103829A true MY103829A (en) | 1993-09-30 |
Family
ID=26293557
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MYPI89000233A MY103829A (en) | 1988-02-29 | 1989-02-25 | Compatible widescreen tv/extended definition widescreen television system using plural signal transmission channels. |
Country Status (12)
Country | Link |
---|---|
EP (1) | EP0408579A1 (en) |
JP (1) | JPH03505656A (en) |
CN (1) | CN1015856B (en) |
AU (1) | AU623382B2 (en) |
CA (1) | CA1310400C (en) |
DK (1) | DK205190A (en) |
ES (1) | ES2010626A6 (en) |
FI (1) | FI86785C (en) |
MY (1) | MY103829A (en) |
NZ (1) | NZ228149A (en) |
PT (1) | PT89853A (en) |
WO (1) | WO1989008366A1 (en) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8929152D0 (en) * | 1989-12-22 | 1990-02-28 | Gen Electric | A digital augmentation system for actv-ii |
GB9013217D0 (en) * | 1990-06-13 | 1990-08-01 | Indep Broadcasting Authority | Evaluation of detail in video images,and applications thereof |
EP0551314B1 (en) * | 1990-10-01 | 1996-12-11 | Deutsche Thomson-Brandt Gmbh | Television transmission system and decoder for such |
USRE42643E1 (en) | 1991-03-27 | 2011-08-23 | Panasonic Corporation | Communication system |
DE69232523T2 (en) * | 1991-03-27 | 2002-10-31 | Matsushita Electric Ind Co Ltd | Signal transmission system |
US5802241A (en) | 1992-03-26 | 1998-09-01 | Matsushita Electric Industrial Co., Ltd. | Communication system |
US5892879A (en) | 1992-03-26 | 1999-04-06 | Matsushita Electric Industrial Co., Ltd. | Communication system for plural data streams |
US6728467B2 (en) | 1992-03-26 | 2004-04-27 | Matsushita Electric Industrial Co., Ltd. | Communication system |
US5819000A (en) * | 1992-03-26 | 1998-10-06 | Matsushita Electric Industrial Co., Ltd. | Magnetic recording and playback apparatus |
USRE38513E1 (en) | 1992-03-26 | 2004-05-11 | Matsushita Electric Industrial Co., Ltd. | Communication system |
US6724976B2 (en) | 1992-03-26 | 2004-04-20 | Matsushita Electric Industrial Co., Ltd. | Communication system |
DE69332594T2 (en) * | 1992-09-25 | 2003-08-14 | Matsushita Electric Ind Co Ltd | Multi-resolution transmission for multi-carrier signals |
KR100238673B1 (en) * | 1997-05-30 | 2000-01-15 | 윤종용 | Monitor output apparatus of hdtv |
JP4197402B2 (en) * | 2002-03-15 | 2008-12-17 | 株式会社日立製作所 | Digital broadcast receiving apparatus and digital broadcast receiving method |
CN101800724B (en) * | 2009-02-11 | 2012-10-24 | 北京泰美世纪科技有限公司 | Mobile multimedia broadcast transmission system |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1309162C (en) * | 1987-09-14 | 1992-10-20 | General Electric Company | Television signal encoded with auxiliary vertical-temporal information |
DE3890744T1 (en) * | 1987-09-14 | 1990-06-07 | Gen Electric | COMPATIBLE ADDITIONAL INFORMATION PROCESSING TELEVISION SYSTEM |
DE3890743T1 (en) * | 1987-09-14 | 1990-06-07 | Gen Electric | ARRANGEMENT FOR PROCESSING A WIDE BROADCAST TELEVISION SIGNAL EXTENDED RESOLUTION WITH ALTERNATING SUBSTRATE |
-
1989
- 1989-02-08 JP JP1502498A patent/JPH03505656A/en active Pending
- 1989-02-08 EP EP89902685A patent/EP0408579A1/en not_active Ceased
- 1989-02-08 WO PCT/US1989/000452 patent/WO1989008366A1/en not_active Application Discontinuation
- 1989-02-08 AU AU31831/89A patent/AU623382B2/en not_active Ceased
- 1989-02-23 CA CA000591892A patent/CA1310400C/en not_active Expired - Lifetime
- 1989-02-25 MY MYPI89000233A patent/MY103829A/en unknown
- 1989-02-27 ES ES8900699A patent/ES2010626A6/en not_active Expired
- 1989-02-27 PT PT89853A patent/PT89853A/en not_active Application Discontinuation
- 1989-02-27 NZ NZ228149A patent/NZ228149A/en unknown
- 1989-02-28 CN CN89100930A patent/CN1015856B/en not_active Expired
-
1990
- 1990-08-22 FI FI904159A patent/FI86785C/en not_active IP Right Cessation
- 1990-08-27 DK DK205190A patent/DK205190A/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
CN1037625A (en) | 1989-11-29 |
ES2010626A6 (en) | 1989-11-16 |
CN1015856B (en) | 1992-03-11 |
DK205190D0 (en) | 1990-08-27 |
AU623382B2 (en) | 1992-05-14 |
FI86785B (en) | 1992-06-30 |
PT89853A (en) | 1989-10-04 |
DK205190A (en) | 1990-08-27 |
NZ228149A (en) | 1990-09-26 |
AU3183189A (en) | 1989-09-22 |
FI904159A0 (en) | 1990-08-22 |
JPH03505656A (en) | 1991-12-05 |
WO1989008366A1 (en) | 1989-09-08 |
EP0408579A1 (en) | 1991-01-23 |
CA1310400C (en) | 1992-11-17 |
FI86785C (en) | 1992-10-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5029003A (en) | Apparatus for incorporating digital signals with a standard TV signal | |
US4931855A (en) | Method for generating and transmitting high-definition color television signals, compatible with current standards and process and apparatus for receiving said signals | |
MY103829A (en) | Compatible widescreen tv/extended definition widescreen television system using plural signal transmission channels. | |
US4879606A (en) | EDTV recording apparatus | |
CA2125334A1 (en) | Digital high definition television receiver with features that facilitate trick-play modes on a digital vcr | |
JPS62500487A (en) | Generation of frequencies used for encoding and decoding of multiplexed analog component color television | |
US6784917B1 (en) | Digital broadcasting system | |
KR960013742B1 (en) | Recording and reproducing apparatus and method therefor | |
WO1983000269A1 (en) | Colour television system | |
CA2070827A1 (en) | Device for coding digital signals correspsonding to television images and corresponding decoding device | |
JPH0575976A (en) | Television signal transmitter | |
KR0142586B1 (en) | Television transmission system compatible with conventional television standards | |
AU6625190A (en) | Transmission system | |
ES2009037A6 (en) | System for generating a television signal encoded with auxiliary vertical-temporal information. | |
KR920010037B1 (en) | Tv receiving apparatus | |
JPH02504456A (en) | Frequency generator for band extension television | |
TH9880A (en) | A wide screen television system that offers enhanced clarity using multiple output channels. | |
TH9880EX (en) | A wide screen television system that offers enhanced clarity using multiple output channels. | |
KR100246456B1 (en) | Video signal overlay device | |
KR100304908B1 (en) | Broadcasting/Recording Video Encoder of Digital TV | |
JPS6117652Y2 (en) | ||
KR19980047446A (en) | Video signal converter from high definition television (HDTV) system to analog television broadcasting system | |
HU9202775D0 (en) | Televisional transmission system | |
KR950002378A (en) | Two-way scanning TV transmission system | |
MY115195A (en) | Television receiver |