4. Illumination
  5. Illuminated scale or dial
  6. Edge illuminated modifier or light rod/pipe

Warren R. Lang

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CRT Color purity adjustment apparatus

Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Electron or ion beam deflecting type
Patent

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Multi-position return to center potentiometer

Electrical resistors – Mechanically variable – Movable contact electrically adjustable over length of...
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Uniform emission backlight

Illumination – Illuminated scale or dial – Edge illuminated modifier or light rod/pipe
Patent

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Profile ID: LFUS-PAI-P-1022272

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