4. Optical: systems and elements
  5. Deflection using a moving element
  6. Using a periodically moving element

Hitoshi Obara

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Disk shaped tunable optical filter

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

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Multistage switch control circuit

Multiplex communications – Pathfinding or routing – Through a circuit switch
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Multiwavelength simultaneous monitoring circuit employing arraye

Optical: systems and elements – Deflection using a moving element – Using a periodically moving element
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Node apparatus, optical wavelength division multiplexing...

Optical communications – Multiplex – Broadcast and distribution system
Reexamination Certificate

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Node apparatus, optical wavelength division multiplexing...

Optical communications – Fault recovery – Bypass inoperative element
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Profile ID: LFUS-PAI-P-774346

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