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.)
Marconis Wireless Telegraph Co Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Marconi Co Ltd
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 Marconis Wireless Telegraph Co Ltd, Marconi Co LtdfiledCriticalMarconis Wireless Telegraph Co Ltd
Application grantedgrantedCritical
Publication of FR866341ApublicationCriticalpatent/FR866341A/fr
H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
H04N3/22—Circuits for controlling dimensions, shape or centering of picture on screen
H04N3/23—Distortion correction, e.g. for pincushion distortion correction, S-correction
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Engineering & Computer Science
(AREA)
Multimedia
(AREA)
Signal Processing
(AREA)
FR866341D1939-06-091940-07-08Perfectionnements aux dispositifs électriques retardateurs commandes pour ondes récurrentes
ExpiredFR866341A
(fr)