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Control device suitable for use in an apparatus for reproducing video, audio and accompanying characters

  • US 5,726,649 A
  • Filed: 08/29/1995
  • Issued: 03/10/1998
  • Est. Priority Date: 09/05/1994
  • Status: Expired due to Fees
First Claim
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1. A control device suitable for use in an apparatus for reproducing pre-recorded performance and title information of a plurality of music pieces, the control device comprising:

  • a knob which is rotatable about an axis;

    ;

    an actuating member slidably moveable in a direction of the axis of the knob;

    a rotation encoder which is responsive to a rotation motion of the knob, wherein the rotation encoder produces a pulse signal corresponding to the rotation motion of the knob, and wherein the pulse signal triggers the apparatus to scan the titles of the plurality of music pieces;

    a transfer mechanism having a predetermined transfer ratio, wherein the transfer mechanism includes a first gear coupled to the knob and a second gear coupled to the rotation encoder, in which the first gear and the second gear directly engage each other to transfer the rotation motion of the knob to the rotation encoder; and

    a switch which is mounted substantially underneath the actuating member and is activated by depressing the actuating member of the knob, downwardly along the axis of the knob wherein the switch generates a signal to trigger the apparatus to select a music piece or to start/stop playing a music piece.

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