4. Pulse or digital communications
  5. Spread spectrum
  6. Direct sequence

Steve Cha

Attorney

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Apparatus and method for compensating received signal...

Telecommunications – Receiver or analog modulated signal frequency converter – Measuring or testing of receiver
Reexamination Certificate

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Apparatus and method for providing music-on-hold service in...

Telephonic communications – Multi-line or key substation system with selective switching... – Detail of hold circuitry
Reexamination Certificate

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Apparatus and method for sintering a sol-gel tube using a...

Glass manufacturing – Processes of manufacturing fibers – filaments – or preforms – Process of manufacturing optical fibers – waveguides – or...
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Apparatus for integrating switch ports in an ATM switching...

Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells – With discharge of cells or batteries
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Apparatus for providing thermal alert signal and control...

Communications: electrical – Condition responsive indicating system – Specific condition
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Profile ID: LFUS-PAI-P-2018749

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