4. Optical: systems and elements
  5. Lens
  6. Plural focal length

Peng Yam Ng

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Bi-curvature lens for light emitting diodes and photo detectors

Optical: systems and elements – Lens – Plural focal length
Reexamination Certificate

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Optical transceiver with reduced height

Active solid-state devices (e.g. – transistors – solid-state diode – Incoherent light emitter structure – In combination with or also constituting light responsive...
Reexamination Certificate

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Portable electronic device with activation sensor

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

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Single lens multiple light source device

Optical communications – Multiplex – Wavelength division or frequency division
Reexamination Certificate

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Profile ID: LFUS-PAI-P-3053900

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