LandOfFree - US Patents - Listing for Dynamic magnetic information storage or retrieval,General recording or reproducing

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Video tape recorder

Dynamic magnetic information storage or retrieval – General recording or reproducing

Patent

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Video tape recorder

Dynamic magnetic information storage or retrieval – General recording or reproducing – Signal switching

Patent

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Video tape recorder carrying out field extraction recording and/

Dynamic magnetic information storage or retrieval – General recording or reproducing – Signal switching

Patent

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Video tape recorder having a special demagnetizing function

Dynamic magnetic information storage or retrieval – General recording or reproducing – Selective erase recording

Patent

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Videorecorder with rotating head drum and video heads

Dynamic magnetic information storage or retrieval – General recording or reproducing – Signal switching

Patent

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Voice coil driver with variable gain in seek and track-follow mo

Dynamic magnetic information storage or retrieval – General recording or reproducing – Specifics of the amplifier

Patent

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Voice logging recorder for use with preloaded cassettes

Dynamic magnetic information storage or retrieval – General recording or reproducing – Signal switching

Patent

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Voice recording/playback apparatus for producing a noise...

Dynamic magnetic information storage or retrieval – General recording or reproducing – Signal switching

Reexamination Certificate

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Voltage amplifier for constant voltage biasing and amplifying si

Dynamic magnetic information storage or retrieval – General recording or reproducing – Specifics of the amplifier

Patent

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Voltage measurement circuit for a magnetoresistive head installe

Dynamic magnetic information storage or retrieval – General recording or reproducing – Specifics of the amplifier

Patent

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Voltage mode amplifier for use with a high Q magnetic head

Dynamic magnetic information storage or retrieval – General recording or reproducing – Specifics of the amplifier

Patent

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Voltage-biasing, voltage-sensing differential preamplifier...

Dynamic magnetic information storage or retrieval – General recording or reproducing – Specifics of the amplifier

Reexamination Certificate

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Volume controlled tape end alarm for tape recorder

Dynamic magnetic information storage or retrieval – General recording or reproducing – Specifics of the amplifier

Patent

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VTR Circuit arrangement for recording index signal

Dynamic magnetic information storage or retrieval – General recording or reproducing – Specifics of biasing or erasing

Patent

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