Input device

Details Input device Input device

2006-07-21

2008-10-28

Wong, Albert K (Department: 2612)

Coded data generation or conversion

Bodily actuated code generator

Including keyboard or keypad

C345S168000, C341S022000

Reexamination Certificate

active

07443317

ABSTRACT:
An input device is provided. An input device includes a plurality of input keys; a voltage setting unit; a switching unit; a detecting unit; and a control unit. When the switching unit selects one of the input keys, the control unit controls the detecting unit to detect voltages at least two times for a selection holding time where the selection of the input key is held. When the detected voltages do not vary or in a switching state where the variation is within a predetermined range, the control unit controls the switching unit to select the next input key after the selection holding time of the input key has elapsed. When the voltages detected at least two times vary or when the variation is beyond the predetermined range, the control unit sets the selection holding time of the input key to be longer than the switching state.

REFERENCES:
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patent: 5486824 (1996-01-01), Kinerk et al.
patent: 5539400 (1996-07-01), Mears
patent: 5719597 (1998-02-01), Fong
patent: 5760714 (1998-06-01), Zimmerman
patent: 6040788 (2000-03-01), Chambers et al.
patent: 7151432 (2006-12-01), Tierling
patent: 7230548 (2007-06-01), Lou
patent: 2003-271291 (2003-09-01), None

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