GB2115641B - Compatible high definition television system - Google Patents

Compatible high definition television system

Info

Publication number: GB2115641B
Authority: GB; United Kingdom
Prior art keywords: high definition; television system; definition television; compatible high; compatible
Prior art date: 1982-02-24
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

Application number

GB08303800A

Other versions

GB8303800D0 (en

GB2115641A (en

Inventor

Robert Norman Hurst

Kerns Harrington Power

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

RCA Corp

Original Assignee

RCA Corp

Priority date (The priority date 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 date listed.)

1982-02-24

Filing date

1983-02-11

Publication date

1986-08-06

1982-09-27 Priority claimed from US06/424,232 external-priority patent/US4533951A/en

1983-02-11 Application filed by RCA Corp filed Critical RCA Corp

1983-03-16 Publication of GB8303800D0 publication Critical patent/GB8303800D0/en

1983-09-07 Publication of GB2115641A publication Critical patent/GB2115641A/en

1986-08-06 Application granted granted Critical

1986-08-06 Publication of GB2115641B publication Critical patent/GB2115641B/en

Status Expired legal-status Critical Current

Links

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/12—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal
- 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
- H04N11/28—High-definition television systems involving bandwidth reduction, e.g. subsampling
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- 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

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Television Systems (AREA)

GB08303800A 1982-02-24 1983-02-11 Compatible high definition television system Expired GB2115641B (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US35200182A	1982-02-24	1982-02-24
US06/424,232 US4533951A (en)	1982-09-27	1982-09-27	System for generating and displaying a compatible high definition television signal by progressive scanning

Publications (3)

Publication Number	Publication Date
GB8303800D0 GB8303800D0 (en)	1983-03-16
GB2115641A GB2115641A (en)	1983-09-07
GB2115641B true GB2115641B (en)	1986-08-06

Family

ID=26997357

Family Applications (4)

Application Number	Title	Priority Date	Filing Date
GB08303800A Expired GB2115641B (en)	1982-02-24	1983-02-11	Compatible high definition television system
GB08510269A Withdrawn GB2157124A (en)	1982-02-24	1985-04-23	Compatible high definition television system
GB08510270A Expired GB2157125B (en)	1982-02-24	1985-04-23	Compatible high definition tv
GB08515709A Expired GB2161669B (en)	1982-02-24	1985-06-20	Television systems

Family Applications After (3)

Application Number	Title	Priority Date	Filing Date
GB08510269A Withdrawn GB2157124A (en)	1982-02-24	1985-04-23	Compatible high definition television system
GB08510270A Expired GB2157125B (en)	1982-02-24	1985-04-23	Compatible high definition tv
GB08515709A Expired GB2161669B (en)	1982-02-24	1985-06-20	Television systems

Country Status (4)

Country	Link
JP (3)	JPH02243076A (en)
DE (4)	DE3348375C2 (en)
GB (4)	GB2115641B (en)
HK (4)	HK65191A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0204042A1 (en) *	1985-06-05	1986-12-10	Jerome Hal Lemelson	Television system and method for transmitting a television signal
GB2138238B (en) *	1983-03-02	1987-07-08	British Broadcasting Corp	High definition video signal transmission
JPS6162286A (en) *	1984-09-04	1986-03-31	Univ Nagoya	Picture signal band compressing system
GB2194409B (en) *	1986-01-14	1990-08-15	British Broadcasting Corp	Video transmission systems
GB8620110D0 (en) *	1986-08-19	1986-10-01	British Broadcasting Corp	Video transmission system
FR2598275A1 (en) *	1986-04-30	1987-11-06	Thomson Csf	Compatible method of producing high-resolution colour television signals and implementation device
US4916525A (en) *	1988-08-29	1990-04-10	Hughes Aircraft Company	High definition TV system
DE19517357C1 (en) *	1995-05-11	1996-11-14	Ldt Gmbh & Co	Method and device for processing a video image
DE19517356C1 (en) *	1995-05-11	1996-11-28	Ldt Gmbh & Co	Video system

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB871155A (en) *	1957-08-15	1961-06-21	Sylvania Thorn Colour Television Laboratories Ltd	Improvements in and relating to colour television receivers
GB864233A (en) *	1959-01-19	1961-03-29	Sylvania Thorn Colour Television Laboratories Ltd	Improvements in or relating to television picture display devices
GB850024A (en) *	1959-04-06	1960-09-28	Sylvania Thorn Colour Television Laboratories Ltd	Improvements in or relating to television systems
GB926798A (en) *	1960-10-26	1963-05-22	Marconi Wireless Telegraph Co	Improvements in or relating to television systems
JPS50104520A (en) *	1974-01-17	1975-08-18
JPS5436809B2 (en) *	1974-10-16	1979-11-12
GB1548458A (en) *	1975-07-07	1979-07-18	Rohm & Haas	Bis (vinylbenzyl) monomers
DE2938349C2 (en) *	1979-09-21	1983-05-26	Aeg-Telefunken Ag, 1000 Berlin Und 6000 Frankfurt	Circuit arrangement for a compatible increase in resolution in television systems
GB2101835B (en) *	1981-07-09	1985-10-09	British Broadcasting Corp	Colour television systems
US4429327A (en) *	1981-07-31	1984-01-31	Rca Corporation	Compatible television system with increased vertical resolution

1983
- 1983-02-11 GB GB08303800A patent/GB2115641B/en not_active Expired
- 1983-02-23 DE DE3348375A patent/DE3348375C2/de not_active Expired - Fee Related
- 1983-02-23 DE DE3348374A patent/DE3348374C2/de not_active Expired - Fee Related
- 1983-02-23 DE DE3348373A patent/DE3348373C2/de not_active Expired - Fee Related
- 1983-02-23 DE DE19833306328 patent/DE3306328A1/en active Granted
1985
- 1985-04-23 GB GB08510269A patent/GB2157124A/en not_active Withdrawn
- 1985-04-23 GB GB08510270A patent/GB2157125B/en not_active Expired
- 1985-06-20 GB GB08515709A patent/GB2161669B/en not_active Expired
1990
- 1990-02-23 JP JP2044298A patent/JPH02243076A/en active Pending
- 1990-02-23 JP JP2044297A patent/JPH02243075A/en active Pending
- 1990-02-23 JP JP2044299A patent/JPH02243077A/en active Granted
1991
- 1991-08-15 HK HK651/91A patent/HK65191A/en not_active IP Right Cessation
- 1991-08-15 HK HK650/91A patent/HK65091A/en not_active IP Right Cessation
- 1991-08-15 HK HK649/91A patent/HK64991A/en unknown
- 1991-08-15 HK HK648/91A patent/HK64891A/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
GB2157124B (en)	1900-01-01
DE3348374C2 (en)	1992-01-09
GB8510270D0 (en)	1985-05-30
DE3306328A1 (en)	1983-09-01
JPH0544236B2 (en)	1993-07-05
GB2161669B (en)	1986-08-06
HK65091A (en)	1991-08-23
JPH02243077A (en)	1990-09-27
GB8303800D0 (en)	1983-03-16
GB2157124A (en)	1985-10-16
HK65191A (en)	1991-08-23
HK64991A (en)	1991-08-23
JPH02243076A (en)	1990-09-27
GB2157125A (en)	1985-10-16
GB8515709D0 (en)	1985-07-24
GB2115641A (en)	1983-09-07
GB2161669A (en)	1986-01-15
DE3348375C2 (en)	1991-10-02
GB2157125B (en)	1986-07-30
JPH02243075A (en)	1990-09-27
DE3348373C2 (en)	1992-01-09
GB8510269D0 (en)	1985-05-30
HK64891A (en)	1991-08-23
DE3306328C2 (en)	1991-10-02

Legal Events

Date	Code	Title	Description
1999-09-29	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19990211

Publication	Publication Date	Title
DE3377694D1 (en)	1988-09-15	Stereoscopic television system
GB8303313D0 (en)	1983-03-09	Colour television system
GB2132387B (en)	1987-11-11	Colour video system syncronisation
EP0113934A3 (en)	1987-10-14	Television transmission system
GB8505369D0 (en)	1985-04-03	Tv game system
DE3362721D1 (en)	1986-04-30	Television transmission system
JPS572180A (en)	1982-01-07	Television system
DE3465404D1 (en)	1987-09-17	Television system
PL240704A1 (en)	1983-09-12	Tv sets
GB2114395B (en)	1986-11-12	Stereoscopic television system
EP0113932A3 (en)	1986-06-25	Television transmission system
GB8626052D0 (en)	1986-12-03	Television system
DE3361042D1 (en)	1985-11-28	Television transmission system
DE3466847D1 (en)	1987-11-19	Extended definition television system
DE3362527D1 (en)	1986-04-17	Television transmission system
GB2115641B (en)	1986-08-06	Compatible high definition television system
GB2122025B (en)	1986-03-05	Self-converging television display system
GB8303807D0 (en)	1983-03-16	Video system
GB8400911D0 (en)	1984-02-15	Television system
GB8302026D0 (en)	1983-02-23	Video transmission system
GB2113942B (en)	1985-10-30	Television display system
EP0107091A3 (en)	1985-08-21	Stereo television system
GB8407624D0 (en)	1984-05-02	Television system
GB2113419B (en)	1985-07-31	Video projection system
DE3374510D1 (en)	1987-12-17	High resolution television