4. Communications: electrical
  5. Condition responsive indicating system
  6. Specific condition

Hisao Ogiwara

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Apparatus for detecting open circuit in hard disk drive

Communications: electrical – Condition responsive indicating system – Specific condition
Patent

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Differential preamplifier having balanced resistor network

Miscellaneous active electrical nonlinear devices – circuits – and – Specific signal discriminating without subsequent control – By amplitude
Reexamination Certificate

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Method and circuit for providing feedback in a pre-amplifier for

Dynamic magnetic information storage or retrieval – General processing of a digital signal – Head amplifier circuit
Patent

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Profile ID: LFUS-PAI-P-1132416

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