Mobile information terminal having operation keys and a...

Details Mobile information terminal having operation keys and a... Mobile information terminal having operation keys and a...

2010-08-11

2011-11-01

Shedrick, Charles (Department: 2617)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C345S158000, C345S169000, C345S156000, C345S698000

Reexamination Certificate

active

08050721

ABSTRACT:
A mobile information terminal has a front surface on which a display surface of a display device is arranged and a rear surface on which a plurality of operation keys are arranged. The mobile information terminal further has a half-depressing sensor for detecting that each of the operation keys is half-depressed and/or a touch sensor for detecting that each of the operation keys is touched. A control section executes a processing operation to cause the display device to display an image showing the arrangement of said operation keys and to change an icon which corresponds to a key of operation keys when a control section determines, according to an input signal from the half-depressing sensor or the touch sensor, that the finger of the operator is placed on this key of operation keys.

REFERENCES:
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patent: 2002/0167488 (2002-11-01), Hinckley et al.
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patent: 2005/0090288 (2005-04-01), Stohr et al.
patent: 2007/0063976 (2007-03-01), Oga
patent: 2007/0109260 (2007-05-01), Moon et al.
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patent: 2008/0146289 (2008-06-01), Korneluk et al.
Search Report issued by European Patent Office on Mar. 17, 2011 in connection with corresponding European patent application No. EP 04 77 0920.

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