4. Telecommunications
  5. Receiver or analog modulated signal frequency converter
  6. Signal selection based on frequency

Charles H. Bell

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Fiber optic crossbar switch for automatically patching optical s

Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency
Patent

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Fiber optic multiplex optical transmission system

Radiant energy – Ionic separation or analysis – Static field-type ion path-bending selecting means
Patent

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System and method for providing active tags

Data processing: database and file management or data structures – Database design – Data structure types
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1311062

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