HK64891A - Television systems - Google Patents

Television systems

Info

Publication number
HK64891A
HK64891A HK648/91A HK64891A HK64891A HK 64891 A HK64891 A HK 64891A HK 648/91 A HK648/91 A HK 648/91A HK 64891 A HK64891 A HK 64891A HK 64891 A HK64891 A HK 64891A
Authority
HK
Hong Kong
Prior art keywords
high definition
signals
signal
low
definition
Prior art date
Application number
HK648/91A
Other languages
English (en)
Inventor
Norman Hurst Robert
Harrington Powers Kerns
Original Assignee
Rca Thomson Licensing Corporation
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
Priority claimed from US06/424,232 external-priority patent/US4533951A/en
Application filed by Rca Thomson Licensing Corporation filed Critical Rca Thomson Licensing Corporation
Publication of HK64891A publication Critical patent/HK64891A/xx

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)
  • Closed-Circuit Television Systems (AREA)
HK648/91A 1982-02-24 1991-08-15 Television systems HK64891A (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 (1)

Publication Number Publication Date
HK64891A true HK64891A (en) 1991-08-23

Family

ID=26997357

Family Applications (4)

Application Number Title Priority Date Filing Date
HK648/91A HK64891A (en) 1982-02-24 1991-08-15 Television systems
HK649/91A HK64991A (en) 1982-02-24 1991-08-15 Television systems
HK650/91A HK65091A (en) 1982-02-24 1991-08-15 Television systems
HK651/91A HK65191A (en) 1982-02-24 1991-08-15 Television systems

Family Applications After (3)

Application Number Title Priority Date Filing Date
HK649/91A HK64991A (en) 1982-02-24 1991-08-15 Television systems
HK650/91A HK65091A (en) 1982-02-24 1991-08-15 Television systems
HK651/91A HK65191A (en) 1982-02-24 1991-08-15 Television systems

Country Status (4)

Country Link
JP (3) JPH02243076A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (4) DE3348374C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (4) GB2115641B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
HK (4) HK64891A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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 (ja) * 1984-09-04 1986-03-31 Univ Nagoya 画像信号帯域圧縮方式
GB8620110D0 (en) * 1986-08-19 1986-10-01 British Broadcasting Corp Video transmission system
GB2194409B (en) * 1986-01-14 1990-08-15 British Broadcasting Corp Video transmission systems
FR2598275A1 (fr) * 1986-04-30 1987-11-06 Thomson Csf Procede compatible de production de signaux de television couleur haute resolution et dispositif de mise en oeuvre
US4916525A (en) * 1988-08-29 1990-04-10 Hughes Aircraft Company High definition TV system
DE19517357C1 (de) * 1995-05-11 1996-11-14 Ldt Gmbh & Co Verfahren und Vorrichtung zur Aufbereitung eines Videobildes
DE19517356C1 (de) * 1995-05-11 1996-11-28 Ldt Gmbh & Co Videosystem

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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1974-01-17 1975-08-18
JPS5436809B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1974-10-16 1979-11-12
GB1548458A (en) * 1975-07-07 1979-07-18 Rohm & Haas Bis (vinylbenzyl) monomers
DE2938349C2 (de) * 1979-09-21 1983-05-26 Aeg-Telefunken Ag, 1000 Berlin Und 6000 Frankfurt Schaltungsanordnung zur kompatiblen Auflösungserhöhung bei Fernsehsystemen
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

Also Published As

Publication number Publication date
GB2115641B (en) 1986-08-06
GB2115641A (en) 1983-09-07
GB8510270D0 (en) 1985-05-30
DE3306328C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-10-02
HK64991A (en) 1991-08-23
GB2161669A (en) 1986-01-15
HK65191A (en) 1991-08-23
JPH02243075A (ja) 1990-09-27
GB8510269D0 (en) 1985-05-30
DE3348374C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-01-09
GB2161669B (en) 1986-08-06
DE3348375C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-10-02
GB2157125A (en) 1985-10-16
GB2157124A (en) 1985-10-16
HK65091A (en) 1991-08-23
JPH02243076A (ja) 1990-09-27
GB2157124B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1900-01-01
JPH0544236B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-07-05
GB8303800D0 (en) 1983-03-16
DE3306328A1 (de) 1983-09-01
GB8515709D0 (en) 1985-07-24
GB2157125B (en) 1986-07-30
JPH02243077A (ja) 1990-09-27
DE3348373C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-01-09

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)