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Device having coded output of operational data

  • US 8,649,510 B2
  • Filed: 08/19/2009
  • Issued: 02/11/2014
  • Est. Priority Date: 01/30/2009
  • Status: Active Grant
First Claim
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1. A breathing therapy device comprising:

  • a. a blower, for delivering pressurized air to a user of said device;

    b. a processor, for controlling said blower;

    c. non-volatile memory, accessible by said processor, said non-volatile memory containing an area for storage of operating parameters and usage data;

    d. an algorithm, stored in said non-volatile memory, for encoding usage data regarding the duration of the use of said device over a specified time period into one or more strings of readable characters such that the true values of said usage data is obfuscated from the user of said device; and

    e. a display element, for displaying said one or more strings of readable characters.

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