Method of improving the detection of opening and closing of...

Details Method of improving the detection of opening and closing of... Method of improving the detection of opening and closing of...

2006-08-30

2010-02-09

Tweel, Jr., John A (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C455S575100, C455S575400

Reexamination Certificate

active

07659829

ABSTRACT:
An apparatus for detecting the opening and closing of a slide-type mobile communication terminal having a main body and a sub-body mounted on the main body. The apparatus includes a signal generating element of bar-type provided in the sub-body for generating a predetermined signal; a first and a second signal sensor provided at two positions separated by a predetermined interval in the main body so as to face the signal generating element respectively when the sub-body is slid up and down relative to the main body, the first and second signal sensors detecting the predetermined signal; and a control unit for performing corresponding functions according to the opening and closing operations of the mobile communication terminal represented by different signals generated by the first and second signal sensors.

REFERENCES:
patent: 6389301 (2002-05-01), Furuya
patent: 7286862 (2007-10-01), Lee et al.
patent: 7353049 (2008-04-01), Mizuta
patent: 7363065 (2008-04-01), Lee
patent: 2004/0198437 (2004-10-01), Yamamoto et al.
patent: 2004/0198477 (2004-10-01), Jung et al.
patent: 2005/0049017 (2005-03-01), Yoda
patent: 2005/0288076 (2005-12-01), Seol
patent: 1461134 (2003-12-01), None

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