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Method for initialization and stabilization of distortion correction in a head up display unit

  • US 20030085848A1
  • Filed: 11/08/2001
  • Published: 05/08/2003
  • Est. Priority Date: 11/08/2001
  • Status: Abandoned Application
First Claim
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1. A method of correcting temperature induced symbol generation and deflection errors of a head-up display system, said head-up display system having symbol generation and deflection amplifier circuitry, said method comprising the steps of:

  • measuring the gain and offset of said symbol generation and deflection circuitry in a controlled environment whereby obtaining a control setting;

    installing said symbol generation and deflection circuitry within said head-up display system;

    measuring the gain and offset of said symbol generation and deflection circuitry while said symbol generation and deflection circuitry is in an operational state with a measuring means; and

    adjusting said gain and offset of said symbol generation and deflection circuitry with an adjusting means to approximately match said control setting while said symbol generation and deflection circuitry is in an operational state.

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