Tape position measurement in cassette - involves determination of rotational speed of reel and electronic processing of data

摘要: The reels are pref. those mounted in a standard cassette, and magnetic tape is wound from one reel to the other. speed of measured; other may also be measured measurement result applied processor which variable depending on take thickness applied. If only, further processor, representing function transport. calculates then length reels, or playing time, its signal control device and/or display device. Code markings (5) used as an aid measurement.