Portable information terminal having expandable data input unit

Details Portable information terminal having expandable data input unit Portable information terminal having expandable data input unit

2006-10-31

2006-10-31

Gelin, Jean (Department: 2617)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S575100, C455S090300

Reexamination Certificate

active

07130669

ABSTRACT:
A portable information terminal for inputting complicated data is disclosed. The portable terminal comprises a main housing having first and second top surfaces formed in a step form; a data input housing disposed on the main housing in a foldable manner and having top and bottom surfaces; and a hinge for joining the data input housing to the main housing in a rotatable manner. The second top surface of the main housing has a first plurality of keys, the top surface of the data input housing has a second plurality of keys, and the bottom surface of the data input housing has a third plurality of keys.

REFERENCES:
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patent: 6661404 (2003-12-01), Sirola et al.
patent: 6876876 (2005-04-01), Uhlemann
patent: 2002/0006815 (2002-01-01), Finke-Anlauff
patent: 2002/0119685 (2002-08-01), Gardenfors et al.
patent: 2003/0003878 (2003-01-01), Bestle
patent: 2004/0203513 (2004-10-01), Kwon
patent: 2005/0017953 (2005-01-01), Pekka

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