AU2311988A - Compatible widescreen television system with quadrature modulated alternative subcarrier - Google Patents

Compatible widescreen television system with quadrature modulated alternative subcarrier

Info

Publication number
AU2311988A
AU2311988A AU23119/88A AU2311988A AU2311988A AU 2311988 A AU2311988 A AU 2311988A AU 23119/88 A AU23119/88 A AU 23119/88A AU 2311988 A AU2311988 A AU 2311988A AU 2311988 A AU2311988 A AU 2311988A
Authority
AU
Australia
Prior art keywords
television system
quadrature modulated
widescreen television
compatible widescreen
alternative subcarrier
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.)
Granted
Application number
AU23119/88A
Other versions
AU611717B2 (en
Inventor
Michael Anthony Isnardi
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.)
General Electric Co
Original Assignee
General Electric Co
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 US07/078,341 external-priority patent/US4839720A/en
Application filed by General Electric Co filed Critical General Electric Co
Publication of AU2311988A publication Critical patent/AU2311988A/en
Application granted granted Critical
Publication of AU611717B2 publication Critical patent/AU611717B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • H04N11/30—High-definition television systems with transmission of the extra information by means of quadrature modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Systems (AREA)
AU23119/88A 1987-07-27 1988-07-21 Compatible widescreen television system with quadrature modulated alternative subcarrier Ceased AU611717B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/078,341 US4839720A (en) 1987-07-27 1987-07-27 Compatible widescreen television system with auxiliary subcarrier modulated by side panel high frequency information
US078341 1987-07-27
PCT/US1988/002406 WO1989001276A1 (en) 1987-07-27 1988-07-21 Compatible widescreen television system with quadrature modulated alternative subcarrier

Publications (2)

Publication Number Publication Date
AU2311988A true AU2311988A (en) 1989-03-01
AU611717B2 AU611717B2 (en) 1991-06-20

Family

ID=26760425

Family Applications (1)

Application Number Title Priority Date Filing Date
AU23119/88A Ceased AU611717B2 (en) 1987-07-27 1988-07-21 Compatible widescreen television system with quadrature modulated alternative subcarrier

Country Status (1)

Country Link
AU (1) AU611717B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05507393A (en) * 1988-02-29 1993-10-21 ゼネラル　エレクトリツク　カンパニイ Widescreen television signal processing system with uniform center and side panel image resolution

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2613166B1 (en) * 1987-03-24 1989-06-23 Labo Electronique Physique DEVICE FOR TRANSMITTING HIGH DEFINITION IMAGES THROUGH A RELATIVELY NARROW BANDPASS CHANNEL
JPS63316594A (en) * 1987-06-02 1988-12-23 エヌ・ベー・フィリップス・フルーイランペンファブリケン System and apparatus for tranmission and receiving

Also Published As

Publication number Publication date
AU611717B2 (en) 1991-06-20

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