Recording device and reproduction device

Details Recording device and reproduction device Recording device and reproduction device

1995-06-07

1997-04-22

Porta, David P.

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Electrical modification or sensing of storage medium

365151, G11B 908

Patent

active

056234767

ABSTRACT:
A recording device, comprising a probe electrode, a recording medium having electric memory effect and a writing voltage applying unit for applying voltage onto the recording medium from the probe electrode, and a reproducing device comprising a probe electrode, a recording medium exhibiting electric memory effect or a recording medium recorded by energy irradiation, a voltage applying unit for applying voltage not exceeding the threshold value voltage giving rise to electric memory effect onto the recording medium from the probe electrode and a reading unit for reading the change in current quantity passing through the recording medium.

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