Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Lumped type parameters
Reexamination Certificate
2005-01-18
2005-01-18
Le, N. (Department: 2858)
Electricity: measuring and testing
Impedance, admittance or other quantities representative of...
Lumped type parameters
C257S414000
Reexamination Certificate
active
06844744
ABSTRACT:
A surface shape recognition sensor of this invention has a surface protective film having a hydrophobic property on an insulating protective film which is made of an insulator and formed to cover a sensor electrode, and includes at least a ground electrode which is formed on the substrate such that the ground electrode is partly exposed on the surfaces of the insulating protective film and surface protective film so as to be insulated/isolated from the sensor electrode and come into contact with the surface of a detection target. This sensor prevents fingerprint residues from easily remaining and improves tamper resistance.
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Fourth-page article of the third evening edition of the Asahi Shimbun published by Tokyosha, Aug. 22, 1999.
Ishii Hiromu
Kyuragi Hakaru
Machida Katsuyuki
Yagi Shouji
Blakely & Sokoloff, Taylor & Zafman
Le N.
Nguyen Hoai-An D.
Nippon Telegraph and Telephone Corporation
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