Tape time display device for displaying a tape remainder time

作者: Yoshihiro Nishida

DOI:

关键词: DetectorTape headDisplay deviceRotationSignalAcousticsElectrical engineeringPulse (physics)Materials scienceRotation periodReel

摘要: A tape time display apparatus according to the invention includes a device for outputting predetermined number of pulse signals one rotation reel on which is wound, detector detecting period from when travels at constant speed, unit calculating periods, travel speed and thickness corresponding length reel, increasing or decreasing direction pulses output accompanying tape, time, obtained by converting constant-speed into P signal input, displaying thus calculated.