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 Ferranti LtdfiledCriticalFerranti Ltd
Publication of DK141429BpublicationCriticalpatent/DK141429B/da
Application grantedgrantedCritical
Publication of DK141429CpublicationCriticalpatent/DK141429C/da
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
H04N5/272—Means for inserting a foreground image in a background image, i.e. inlay, outlay
H04N5/275—Generation of keying signals
Landscapes
Engineering & Computer Science
(AREA)
Multimedia
(AREA)
Signal Processing
(AREA)
Studio Circuits
(AREA)
Closed-Circuit Television Systems
(AREA)
Transforming Light Signals Into Electric Signals
(AREA)
Details Of Television Systems
(AREA)
Image Processing
(AREA)
Color Television Image Signal Generators
(AREA)
DK98973A1972-02-291973-02-23Fjernsynsanlæg med midler til styring af billeders overlejring.
DK141429B
(da)