197994 ⎘
Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation , reproducing using an optical beam at lower power ; Record carriers therefor; Recording, reproducing or erasing systems characterised by the shape or form of the carrier with webs, filaments or wires , e.g. belts, spooled tapes or films of quasi-infinite extent using a rotating head, e.g. helicoidal recording
Optical tape with an increased track pitch for improvement of tracking performance after seam
#2Rotary head data storage and retrieval system and method
#3Rotary head data storage and retrieval system and method with tape medium having transverse primary data tracks and longitudinal secondary data track
#4Rotary head data storage and retrieval system and method for data verification
#5MOLD FOR TAPE-SHAPED OPTICAL RECORDING MEDIUM, TAPE-SHAPED OPTICAL RECORDING MEDIUM, AND CUTTING DEVICE THEREFOR
#6Apparatus and method for controlling tape movement in a rotary head data storage system and retrieval system
#7Servo pattern having reduced noise due to speed variations in linear data storage media