自從Apple拿到智慧型手機的滑動解鎖專利後，各家業者都在設法迴避該專利，並開許\多新模式出來，Google也開發出一種隨著使用者在不同地點，而有不同解鎖方式的專利，在家裏就用滑動式解鎖，在外面可以用輸入密碼方式解鎖，以增加安全性。
US20130219454
Title
: LOCATION-BASED SECURITY SYSTEM FOR PORTABLE ELECTRONIC DEVICE
Filing Date :
2012.9.14.
Application Date : 2013.8.22.
Abstract :
A
location-dependent security method and system for a portable electronic device
is disclosed. Without requiring that the user enter any location information,
the system determines one or more familiar areas for the device based on
locations where the device has received at least a threshold amount of
successful user authentication entries. Thereafter, when a user attempts to
access the device or an application of the device, the device will implement a
first authentication process if the device is in one of the familiar areas, or a
different authentication process if the device is not in one of the familiar
areas.
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