CA1032264A - Luminance key amplifier - Google Patents

Luminance key amplifier

Info

Publication number
CA1032264A
CA1032264A CA219,156A CA219156A CA1032264A CA 1032264 A CA1032264 A CA 1032264A CA 219156 A CA219156 A CA 219156A CA 1032264 A CA1032264 A CA 1032264A
Authority
CA
Canada
Prior art keywords
luminance key
key amplifier
amplifier
luminance
key
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
Application number
CA219,156A
Other languages
French (fr)
Inventor
James A. Mendrala
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.)
Applica Consumer Products Inc
Original Assignee
Sonex International 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 Sonex International Corp filed Critical Sonex International Corp
Application granted granted Critical
Publication of CA1032264A publication Critical patent/CA1032264A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/74—Circuits for processing colour signals for obtaining special effects
    • H04N9/75—Chroma key
CA219,156A 1974-02-19 1975-01-31 Luminance key amplifier Expired CA1032264A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US44338874A 1974-02-19 1974-02-19

Publications (1)

Publication Number Publication Date
CA1032264A true CA1032264A (en) 1978-05-30

Family

ID=23760597

Family Applications (1)

Application Number Title Priority Date Filing Date
CA219,156A Expired CA1032264A (en) 1974-02-19 1975-01-31 Luminance key amplifier

Country Status (2)

Country Link
CA (1) CA1032264A (en)
GB (1) GB1503612A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5492015A (en) * 1977-12-29 1979-07-20 Matsushita Electric Ind Co Ltd Color television image receiving unit
GB2158319A (en) * 1984-04-26 1985-11-06 Philips Electronic Associated A method of and apparatus for generating colour matte signals
GB2215937A (en) * 1988-03-23 1989-09-27 Benchmark Technologies Analog controlled video mixer
US5681223A (en) * 1993-08-20 1997-10-28 Inventures Inc Training video method and display
US6072537A (en) * 1997-01-06 2000-06-06 U-R Star Ltd. Systems for producing personalized video clips
IL134182A (en) 2000-01-23 2006-08-01 Vls Com Ltd Method and apparatus for visual lossless pre-processing
US6753929B1 (en) 2000-06-28 2004-06-22 Vls Com Ltd. Method and system for real time motion picture segmentation and superposition
US7903902B2 (en) 2004-07-26 2011-03-08 Sheraizin Semion M Adaptive image improvement
US7526142B2 (en) 2005-02-22 2009-04-28 Sheraizin Vitaly S Enhancement of decompressed video

Also Published As

Publication number Publication date
GB1503612A (en) 1978-03-15

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