FR1075411A - Perfectionnement aux circuits électroniques d'établissement d'un niveau de référence fixe dans un signal d'amplitude variable
- Google Patents
Perfectionnement aux circuits électroniques d'établissement d'un niveau de référence fixe dans un signal d'amplitude variable
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.)
Radio Industrie SA
Original Assignee
Radio Industrie SA
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 Radio Industrie SAfiledCriticalRadio Industrie SA
Application grantedgrantedCritical
Publication of FR1075411ApublicationCriticalpatent/FR1075411A/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
Landscapes
Engineering & Computer Science
(AREA)
Multimedia
(AREA)
Signal Processing
(AREA)
FR1075411D1953-02-261953-02-26Perfectionnement aux circuits électroniques d'établissement d'un niveau de référence fixe dans un signal d'amplitude variable
ExpiredFR1075411A
(fr)