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Control Lockout for an Electronic Apparatus

  • US 20130002408A1
  • Filed: 09/13/2012
  • Published: 01/03/2013
  • Est. Priority Date: 02/06/2008
  • Status: Active Grant
First Claim
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1. An electronic system comprising:

  • a user interface configured to transmit an operational parameter control signal in response to manual manipulation of the user interface, the user interface including a plurality of pushbuttons, the user interface being configured;

    to be disabled by depressing the pushbuttons in a first predetermined sequence; and

    to be enabled, when in the disabled state, by depressing the pushbuttons in a second predetermined sequence, the second predetermined sequence being different than the first predetermined sequence;

    a processor coupled to the user interface and configured to adjust an operational parameter of the electronic system in response to receiving the operational parameter control signal; and

    an actuatable device configured to;

    be actuated by a user; and

    in response to the user actuation, prevent the processor from adjusting the operational parameter of the electronic system.

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