肖安娜
专利名称:Keypad devices cret protection system and method
发明人:セティア ラジェーヴ,ブエル マーク,ストーリーフランクリン
申请号:JP2002588337
申请日:20020429
公开号:JP4237502B2台式电脑什么牌子好
公开日:
文能20090311
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苹果肌下垂摘要: By promoting the randomness of the electromagnetic radiation associated with the specified key, the prent invention increas the difficulty of translating electromagnetic radiation from the keypad system. The keypad cret conrvation circuit, to be ud as a key word pad driver supplied keypad attributes (eg, row or column) to, the digital value of the group, such as to change over both time and bit. Keypad cret protection circuit of the prent invention have been t independently to attribute that nds a strong keypad driver signals that change (for example, row or column) to the attributes of the keypad switch matrix, the opposite of the keypad switch matrix it is determined (eg, the key has been presd) the switch for taking a signal resulting from the attributes supplied weak driver signal to the counter, included in the keypad system by translating the results has been operated.
申请人:エヌエックスピー ビー ヴィ
葡萄干怎么洗地址:オランダ国 5656エイジー アインドーフェン ハイ テク キャンパス 60
国籍:NL
代理人:杉村 憲司,澤田 達也更多信息请下载全文后查看妈妈生日祝福语朋友圈