GB2213342B - Data transmission in active picture period - Google Patents

Data transmission in active picture period

Info

Publication number
GB2213342B
GB2213342B GB8729000A GB8729000A GB2213342B GB 2213342 B GB2213342 B GB 2213342B GB 8729000 A GB8729000 A GB 8729000A GB 8729000 A GB8729000 A GB 8729000A GB 2213342 B GB2213342 B GB 2213342B
Authority
GB
United Kingdom
Prior art keywords
data transmission
picture period
active picture
active
period
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.)
Expired - Fee Related
Application number
GB8729000A
Other versions
GB2213342A (en
GB8729000D0 (en
Inventor
R Ian Richard Pullen
Charles Peter Sandbank
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.)
Filing date
Publication date
Application filed by British Broadcasting Corp filed Critical British Broadcasting Corp
Publication of GB8729000D0 publication Critical patent/GB8729000D0/en
Priority to JP1500387A priority Critical patent/JPH02502508A/en
Priority to DE3888169T priority patent/DE3888169T2/en
Priority to US07/382,641 priority patent/US5075773A/en
Priority to PCT/GB1988/001059 priority patent/WO1989005555A1/en
Priority to AT89900617T priority patent/ATE102422T1/en
Priority to EP89900617A priority patent/EP0345326B1/en
Publication of GB2213342A publication Critical patent/GB2213342A/en
Application granted granted Critical
Publication of GB2213342B publication Critical patent/GB2213342B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/007—Systems with supplementary picture signal insertion during a portion of the active part of a television signal, e.g. during top and bottom lines in a HDTV letter-box system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N11/00—Colour television systems
    • H04N11/06—Transmission systems characterised by the manner in which the individual colour picture signal components are combined
    • H04N11/12—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only
    • H04N11/14—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only in which one signal, modulated in phase and amplitude, conveys colour information and a second signal conveys brightness information, e.g. NTSC-system
    • H04N11/16—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only in which one signal, modulated in phase and amplitude, conveys colour information and a second signal conveys brightness information, e.g. NTSC-system the chrominance signal alternating in phase, e.g. PAL-system
    • H04N11/167—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only in which one signal, modulated in phase and amplitude, conveys colour information and a second signal conveys brightness information, e.g. NTSC-system the chrominance signal alternating in phase, e.g. PAL-system a resolution-increasing signal being multiplexed to the PAL-system signal, e.g. PAL-PLUS-system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/015—High-definition 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
    • H04N7/087—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 with signal insertion during the vertical blanking interval only
    • H04N7/088—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 with signal insertion during the vertical blanking interval only the inserted signal being digital
GB8729000A 1987-12-07 1987-12-11 Data transmission in active picture period Expired - Fee Related GB2213342B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP1500387A JPH02502508A (en) 1987-12-07 1988-12-05 Data transmission during valid image period
DE3888169T DE3888169T2 (en) 1987-12-07 1988-12-05 DATA TRANSFER IN ACTIVE IMAGE PERIOD.
US07/382,641 US5075773A (en) 1987-12-07 1988-12-05 Data transmission in active picture period
PCT/GB1988/001059 WO1989005555A1 (en) 1987-12-07 1988-12-05 Data transmission in active picture period
AT89900617T ATE102422T1 (en) 1987-12-07 1989-06-22 DATA TRANSMISSION IN ACTIVE FRAME PERIOD.
EP89900617A EP0345326B1 (en) 1987-12-07 1989-06-22 Data transmission in active picture period

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB878728530A GB8728530D0 (en) 1987-12-07 1987-12-07 Data transmission in active picture period

Publications (3)

Publication Number Publication Date
GB8729000D0 GB8729000D0 (en) 1988-01-27
GB2213342A GB2213342A (en) 1989-08-09
GB2213342B true GB2213342B (en) 1992-07-01

Family

ID=10628093

Family Applications (2)

Application Number Title Priority Date Filing Date
GB878728530A Pending GB8728530D0 (en) 1987-12-07 1987-12-07 Data transmission in active picture period
GB8729000A Expired - Fee Related GB2213342B (en) 1987-12-07 1987-12-11 Data transmission in active picture period

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB878728530A Pending GB8728530D0 (en) 1987-12-07 1987-12-07 Data transmission in active picture period

Country Status (1)

Country Link
GB (2) GB8728530D0 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8817979D0 (en) * 1988-07-28 1988-09-01 British Broadcasting Corp Application of spectrum folding bandwidth reduction to pal ntsc & secam
GB2240002B (en) * 1990-01-12 1993-10-27 British Broadcasting Corp Transmission of DATV through letterbox PAL channel
US5384599A (en) * 1992-02-21 1995-01-24 General Electric Company Television image format conversion system including noise reduction apparatus
GB2296148A (en) * 1994-11-28 1996-06-19 Snell & Wilcox Ltd Retaining sub-titles in a wide screen television display
JP4561482B2 (en) * 2005-06-01 2010-10-13 株式会社日立製作所 Video display device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4672425A (en) * 1984-07-03 1987-06-09 U.S. Philips Corporation Multiplex television system adapted to transmit pictures with a 5/3 aspect ratio, system
GB2188510A (en) * 1986-03-19 1987-09-30 British Broadcasting Corp Tv picture motion measurement

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4672425A (en) * 1984-07-03 1987-06-09 U.S. Philips Corporation Multiplex television system adapted to transmit pictures with a 5/3 aspect ratio, system
GB2188510A (en) * 1986-03-19 1987-09-30 British Broadcasting Corp Tv picture motion measurement

Also Published As

Publication number Publication date
GB2213342A (en) 1989-08-09
GB8728530D0 (en) 1988-01-13
GB8729000D0 (en) 1988-01-27

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Legal Events

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

Effective date: 19951211