GB2138238B - High definition video signal transmission - Google Patents

High definition video signal transmission

Info

Publication number: GB2138238B
Authority: GB; United Kingdom
Prior art keywords: video signal; signal transmission; high definition; definition video; transmission
Prior art date: 1983-03-02
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

GB08405434A

Other versions

GB2138238A (en

GB8405434D0 (en

Inventor

John Oliver Drewery

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.)

British Broadcasting Corp

Original Assignee

British Broadcasting 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.)

1983-03-02

Filing date

1984-03-01

Publication date

1987-07-08

1983-03-02 Priority claimed from GB838305683A external-priority patent/GB8305683D0/en

1984-03-01 Application filed by British Broadcasting Corp filed Critical British Broadcasting Corp

1984-03-01 Priority to GB08405434A priority Critical patent/GB2138238B/en

1984-04-04 Publication of GB8405434D0 publication Critical patent/GB8405434D0/en

1984-10-17 Publication of GB2138238A publication Critical patent/GB2138238A/en

1987-07-08 Application granted granted Critical

1987-07-08 Publication of GB2138238B publication Critical patent/GB2138238B/en

Status Expired legal-status Critical Current

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
- H04N7/127—Systems in which different parts of the picture signal frequency band are individually processed, e.g. suppressed, transposed
- 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

Landscapes

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

GB08405434A 1983-03-02 1984-03-01 High definition video signal transmission Expired GB2138238B (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
GB08405434A GB2138238B (en)	1983-03-02	1984-03-01	High definition video signal transmission

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB838305683A GB8305683D0 (en)	1983-03-02	1983-03-02	Transmission of high definition television
GB08405434A GB2138238B (en)	1983-03-02	1984-03-01	High definition video signal transmission

Publications (3)

Publication Number	Publication Date
GB8405434D0 GB8405434D0 (en)	1984-04-04
GB2138238A GB2138238A (en)	1984-10-17
GB2138238B true GB2138238B (en)	1987-07-08

Family

ID=26285395

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB08405434A Expired GB2138238B (en)	1983-03-02	1984-03-01	High definition video signal transmission

Country Status (1)

Country	Link
GB (1)	GB2138238B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2153618B (en) *	1984-02-01	1987-07-22	British Broadcasting Corp	Processing of periodic signals
US4670783A (en) *	1984-12-21	1987-06-02	North American Philips Corporation	High resolution television system
JPS63215185A (en) *	1987-03-03	1988-09-07	Matsushita Electric Ind Co Ltd	Sub-nyquist coding device and decoding device
CA1309162C (en) *	1987-09-14	1992-10-20	General Electric Company	Television signal encoded with auxiliary vertical-temporal information
GB8721565D0 (en) *	1987-09-14	1987-10-21	Rca Corp	Video signal processing system
US4979041A (en) *	1988-01-28	1990-12-18	Massachusetts Institute Of Technology	High definition television system
US4866509A (en) *	1988-08-30	1989-09-12	General Electric Company	System for adaptively generating signal in alternate formats as for an EDTV system
JP3089630B2 (en) *	1989-03-30	2000-09-18	ソニー株式会社	Sampling rate converter
US5021882A (en) *	1989-05-24	1991-06-04	Massachusetts Institute Of Technology	Definition television systems
DE4029189A1 (en) *	1990-09-14	1992-03-19	Rundfunkschutzrechte Ev	METHOD FOR SPLITING A TAPE SIGNALED IN A SIGNAL AND BASED IN A RECEIVER
US5280343A (en) *	1992-01-21	1994-01-18	Eastman Kodak Company	Separable subsampling of digital image data with general periodic symmetry
US5231486A (en) *	1992-07-27	1993-07-27	General Electric Company	Data separation processing in a dual channel digital high definition television system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2113941A (en) *	1982-01-25	1983-08-10	Philips Electronic Associated	Television transmission system
GB2115641B (en) *	1982-02-24	1986-08-06	Rca Corp	Compatible high definition television system
GB2122836A (en) *	1982-06-11	1984-01-18	Philips Electronic Associated	Television transmission system

1984
- 1984-03-01 GB GB08405434A patent/GB2138238B/en not_active Expired

Also Published As

Publication number	Publication date
GB2138238A (en)	1984-10-17
GB8405434D0 (en)	1984-04-04

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Legal Events

Date	Code	Title	Description
1992-10-28	PCNP	Patent ceased through non-payment of renewal fee