4. Recording, communication, or information retrieval equipment
  5. Video or audio transmission, recording or playback equipment
  6. Element or attachment

Mark D. Patrick

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Accessory identification apparatus and method

Electricity: battery or capacitor charging or discharging – Means to identify cell or battery type
Patent

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Apparatus and method for alternative radiotelephone system selec

Telecommunications – Radiotelephone system
Patent

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Apparatus and method for discharging and charging a multiple bat

Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells – With discharge of cells or batteries
Patent

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Apparatus and method for discharging and charging a multiple bat

Electricity: battery or capacitor charging or discharging – Sequential charging or discharging of batteries or cells
Patent

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Apparatus and method for discontinuously operating a receiver

Telecommunications – Receiver or analog modulated signal frequency converter – With particular receiver circuit
Patent

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Profile ID: LFUS-PAI-P-35040

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