Sound recording and reproduction system for model train using integrated digital command control

  • US RE38,660 E1
  • Filed: 06/09/2000
  • Issued: 11/23/2004
  • Est. Priority Date: 08/11/1994
  • Status: Expired due to Term
First Claim
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1. A sound reproducing system for a model train traveling on a plurality of rails that uses a an amplified digital control signal for propulsion and control, the system comprising:

  • a sound memory storing a plurality of sound effects at predetermined addresses;

    a controller connected to the sound memory for recalling the sound effects of either one or a plurality of sound effects in a predetermined sequence or a random sequence;

    a sound memory containing multiple samples that emulate a model locomotive at various speeds and work loads work-loads;

    an integrated sound, motor and special effects controller controlled by a bi-polar digital signal, the motor and special effects controller re-producing reproducing the stored sounds contained in the model train; and

    a digital packet triggering a sound effect for automatic playback of a sound effect.

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