发明授权
US3797834A Record-player for continuous play 失效
记录播放器进行连续播放

Record-player for continuous play
摘要:
A record-player for continuous play includes, in combination, a center spindle with a drive shaft for supporting record disks to be played in its upper section, a rotary cam for controlling the drive shaft to cause disks to fall down one-by-one to a play station upon completion of playing of one disk and a sensing mechanism for sensing disks not played supported by the center spindle to control the rotary cam.
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