Portable information input apparatus

Details Portable information input apparatus Portable information input apparatus

2005-06-21

2005-06-21

Nguyen, Lee (Department: 2682)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S575100, C455S090100, C345S163000, C345S169000

Reexamination Certificate

active

06909906

ABSTRACT:
An input apparatus allowing the improved operability of data entry without noticeable volume changes of a portable device itself and further allowing easy entry of a positional coordinate, a curve, and the like is disclosed. The input apparatus is detachably coupled to the portable device and is provided with a coordinate information generator for generating coordinate information depending on a movement on a flat surface to control a position of a cursor on a display of the portable device. Therefore, the input apparatus is removed from the portable device and the singly input apparatus can output coordinate information to the portable device by sliding it on a desk. The input apparatus preferably incorporates a battery for supplying power to the portable device when the input apparatus is coupled to the portable device.

REFERENCES:
patent: 5251329 (1993-10-01), Takagi et al.
patent: 5943625 (1999-08-01), Yeom et al.
patent: 6035214 (2000-03-01), Henderson
patent: 6259932 (2001-07-01), Constien
patent: 6392634 (2002-05-01), Bowers et al.
patent: 6400353 (2002-06-01), Ikehara et al.
patent: 9-298606 (1997-11-01), None

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