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Remote control unit with hierarchical selection

  • US 4,843,386 A
  • Filed: 05/08/1987
  • Issued: 06/27/1989
  • Est. Priority Date: 05/12/1986
  • Status: Expired due to Fees
First Claim
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1. A remote control unit for a system having a plurality of remote operating units organized into groups, said control unit comprising:

  • wireless transmitter means for sending signals to the operating units;

    a keyboard including a plurality of manually actuatable control keys;

    selection means for selecting which of said operating units is to be subject to a control operation, said selection means comprising hierarchical selection means wherein each activation of a manually actuatable stop key operatively coupled to said hierarchical selection means calls up related and progressively smaller groups of said operating units and wherein each activation of a manually actuatable sequencing key operatively coupled to said hierarchical selection means calls up a predetermined sequence of operating units within each group of operating units; and

    control means responsive to said control keys for generating, in response to signals from said control keys, control signals for modifying the operating state of one of said operating units selected in accordance with signals from said selection means, said control means being operatively connected to said transmitter means for transmitting said control signals to said one of said operating units via said transmitter means.

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