Dynamic information storage or retrieval – Condition indicating – monitoring – or testing – Including radiation storage or retrieval
Reexamination Certificate
2006-08-01
2006-08-01
Tran, Thang V. (Department: 2656)
Dynamic information storage or retrieval
Condition indicating, monitoring, or testing
Including radiation storage or retrieval
Reexamination Certificate
active
07085213
ABSTRACT:
It is an object of the present invention to provide an apparatus for discriminating an optical recording medium and a method for discriminating an optical recording medium which can reliably discriminate the kind of an optical recording medium even in the case where the optical recording medium to be discriminated is warped.The apparatus for discriminating an optical recording medium according to the present invention includes a first electrode11, a second electrode12, an alternating current signal generation circuit13for applying an alternating current signal A to the first electrode11, a detection circuit14for detecting the level of an alternating current signal B appearing at the second electrode12, a supporting mechanism16for supporting the first electrode11and the second electrode12, a driving mechanism17for vertically moving the supporting mechanism16, and a control circuit15for controlling the operations of the alternating current signal generation circuit13and the detection circuit14and the driving mechanism17.
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Fukunaga Kazuo
Hirata Hideki
Hosobuchi Toshikazu
Kotani Tsutomu
Namioka Takashi
Pham Van T.
Seed IP Law Group PLLC
TDK Corporation
Tran Thang V.
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