JPS59172894A - クロマキ−装置 - Google Patents

クロマキ−装置

Info

Publication number
JPS59172894A
JPS59172894A JP4679783A JP4679783A JPS59172894A JP S59172894 A JPS59172894 A JP S59172894A JP 4679783 A JP4679783 A JP 4679783A JP 4679783 A JP4679783 A JP 4679783A JP S59172894 A JPS59172894 A JP S59172894A
Authority
JP
Japan
Prior art keywords
key signal
key
signal
output
circuit
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
JP4679783A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0462239B2 (enExample
Inventor
Yoshikazu Yamamoto
嘉一 山本
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP4679783A priority Critical patent/JPS59172894A/ja
Publication of JPS59172894A publication Critical patent/JPS59172894A/ja
Publication of JPH0462239B2 publication Critical patent/JPH0462239B2/ja
Granted 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
JP4679783A 1983-03-19 1983-03-19 クロマキ−装置 Granted JPS59172894A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4679783A JPS59172894A (ja) 1983-03-19 1983-03-19 クロマキ−装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4679783A JPS59172894A (ja) 1983-03-19 1983-03-19 クロマキ−装置

Publications (2)

Publication Number Publication Date
JPS59172894A true JPS59172894A (ja) 1984-09-29
JPH0462239B2 JPH0462239B2 (enExample) 1992-10-05

Family

ID=12757319

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4679783A Granted JPS59172894A (ja) 1983-03-19 1983-03-19 クロマキ−装置

Country Status (1)

Country Link
JP (1) JPS59172894A (enExample)

Also Published As

Publication number Publication date
JPH0462239B2 (enExample) 1992-10-05

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