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专利名称：Device and method for improving efficiency
of entering a password using a key-limitedkeyboard
发明人：Michael Kenneth Brown,Neil Patrick
Adams,George Babu,Herbert Little,MichaelStephen Brown
申请号：US13947522申请日：20130722公开号：US09513779B2公开日：20161206
专利附图：
摘要：A method is provided for reducing a number of keys that a user is required todepress on a device having a keyboard with a limited number of keys when the userenters a password. The method comprising the following steps. A subset of charactersused to define the password is determined. A filter to apply to the keyboard is
determined in accordance with the determined subset of characters. The filter is appliedwhen the user depresses the keys. Devices and computer readable medium forimplementing the method are also provided.
申请人：BlackBerry Limited
地址：Waterloo CA
国籍：CA
代理机构：Moffat & Co.
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