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Priority to DD16370972ApriorityCriticalpatent/DD97531A1/xx
Priority to DE19732314932prioritypatent/DE2314932A1/de
Publication of DD97531A1publicationCriticalpatent/DD97531A1/xx
Priority to FR7320841Aprioritypatent/FR2189963B3/fr
H04N5/14—Picture signal circuitry for video frequency region
H04N5/16—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level
H04N5/165—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level to maintain the black level constant
Landscapes
Engineering & Computer Science
(AREA)
Multimedia
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Signal Processing
(AREA)
Transforming Electric Information Into Light Information
(AREA)
