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Automobile-installed-apparatus controller

  • US 5,990,571 A
  • Filed: 06/23/1997
  • Issued: 11/23/1999
  • Est. Priority Date: 06/26/1996
  • Status: Expired due to Term
First Claim
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1. An automobile-installed-apparatus controller comprising:

  • a plurality of function types of control-designation units having different switching functions and built-in discrimination devices with different circuit constants;

    unit mounts on which said plurality of types of control-designation units are capable of being mounted, any of the control-designation units being mountable on any of the unit mounts;

    and a control-designation-unit determiner in which when any one of said plurality of types of control-designation units is mounted on said unit mount, a value dependent on the circuit constant of said built-in discrimination device is detected, and the type of the mounted control-designation unit is determined based on the detected result.

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