4. Optical: systems and elements
  5. Holographic system or element
  6. Using a hologram as an optical element

Akio Sotokawa

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Backlight having a polarization separating element

Electric lamp and discharge devices – With temperature modifier – Having heat conducting path
Reexamination Certificate

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Backlight having discharge tube, reflector and heat...

Illumination – Light source and modifier – With ventilating – cooling or heat insulating means
Reexamination Certificate

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Discharging tube with piezoelectric substrate

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Impedance or current regulator in the supply circuit
Reexamination Certificate

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Discharging tube with voltage raising unit and discharging unit

Electric lamp and discharge devices: systems – Current and/or voltage regulation – Automatic regulation
Patent

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Display device, including discharge tube temperature control...

Illumination – Elongated source light unit or support – With ventilating or cooling means
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1205496

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