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.)
Publication of NL254204ApublicationCriticalpatent/NL254204A/xx
G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
G11B15/02—Control of operating function, e.g. switching from recording to reproducing
G11B15/12—Masking of heads; circuits for Selecting or switching of heads between operative and inoperative functions or between different operative functions or for selection between operative heads; Masking of beams, e.g. of light beams
G11B15/14—Masking or switching periodically, e.g. of rotating heads
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
H04N5/00—Details of television systems
H04N5/76—Television signal recording
H04N5/91—Television signal processing therefor
H04N5/93—Regeneration of the television signal or of selected parts thereof
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
H04N5/00—Details of television systems
H04N5/76—Television signal recording
H04N5/91—Television signal processing therefor
H04N5/93—Regeneration of the television signal or of selected parts thereof
H04N5/931—Regeneration of the television signal or of selected parts thereof for restoring the level of the reproduced signal