4. Radiant energy
  5. Photocells; circuits and apparatus
  6. Optical or pre-photocell system

Kenneth Liou

Inventor

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Bar-code optical scanner

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent

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Full range bar code scanner

Registers – Coded record sensors – Particular sensor structure
Reexamination Certificate

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Lampshade for scanner

Illumination – Illuminated scale or dial
Reexamination Certificate

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Light stick for scanner

Illumination – Light fiber – rod – or pipe
Reexamination Certificate

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Pen-type barcode scanner

Registers – Coded record sensors – Particular sensor structure
Reexamination Certificate

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Profile ID: LFUS-PAI-P-125767

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