4. Dynamic information storage or retrieval
  5. Control of storage or retrieval operation by a control...
  6. Mechanism control by the control signal

Pioneer Electronic Corp.

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Optical: systems and elements – Holographic system or element – Using a hologram as an optical element
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Amplifier circuit

Amplifiers – With semiconductor amplifying device – Including differential amplifier
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Audio output amplifying device

Amplifiers – Combined with automatic amplifier disabling switch means
Patent

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Automatic loading disc player

Dynamic information storage or retrieval – With particular cabinet structure – With mechanism to place disc on a turntable
Patent

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Automatic sound volume control device

Electrical audio signal processing systems and devices – Monitoring of sound – Amplification control responsive to ambient sound
Patent

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Profile ID: LFUS-PAI-P-95104

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