09218471 cites 19 patents.

Embodiments relate to a method, program product and an information processing device for handling lock functions. The device includes a lock function for restricting user operations and a lock setting unit responsive to the lock function for transitioning the information processing device to a locked state after a period of inactivity. It also includes a lock releasing unit responsive to the lock setting unit for releasing the locked state in response to the input of a predetermined first password and a changing unit responsive to the lock releasing unit for changing the number of characters to be inputted in the first password to release the locked state.

Title
Lock function handling for information processing devices
Application Number
13/723453
Publication Number
9218471 (B2)
Application Date
December 21, 2012
Publication Date
December 22, 2015
Inventor
Satoko Kinoshita
Yokohama
JP
Daisuke Maruyama
Yamato
JP
Takaaki Kawase
Tokyo
JP
Yoshio Horiuchi
Hiratsuka
JP
Agent
Jeanine Ray Yartletts
Cantor Colburn
Assignee
International Business Machines Corporation
NY, US
IPC
G06F 21/45
G06F 21/31
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