Optical Fibre Turntable for Archives Records
267.1 هزار بار بازدید -
16 سال پیش
-
The most interesting feature of
The most interesting feature of the optical system consists in its ability to play ancient and damaged records, as may be found in the sound archives of National Institutes and broadcasting stations.The force applied by the fiber on the record is limited to 50 mg, about 100 time less than that of a modern pick-up.
16 سال پیش
در تاریخ 1387/11/05 منتشر شده
است.
267,120
بـار بازدید شده