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.)
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 CorpfiledCriticalSony Corp
Priority to JP56208444ApriorityCriticalpatent/JPS58108867A/ja
Publication of JPS58108867ApublicationCriticalpatent/JPS58108867A/ja
Publication of JPH0318387B2publicationCriticalpatent/JPH0318387B2/ja
H04N5/222—Studio circuitry; Studio devices; Studio equipment
H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
H04N5/2622—Signal amplitude transition in the zone between image portions, e.g. soft edges