Portable computer keyboard

Details Portable computer keyboard Portable computer keyboard

G - Physics

06

F

G06F 3/023 (2006.01) G06F 1/32 (2006.01)

Patent

CA 2117065

NEW ABSTRACT Disclosed is a portable computer keyboard (10) capable of operation in three distinct modes: stand-alone mode, automatic mode and a conventional mode. In stand-alone mode, information entered is stored in an on-board memory buffer (130,250), and may be edited by using a set of predetermined editing keys (30) in conjunction with a display (80,140) mounted on the device. In automatic mode, the contents of the on-board memory buffer (130,250) are transmitted, by a keystroke emulation technique, to an attached host computer (100) via a conventional keyboard connector cable (40). In the conventional keyboard mode, keystrokes entered are transmitted directly to an attached host computer (100). Also disclosed is a power conservation technique where the device (10) enters a dwell or sleep mode when waiting to process keystrokes.

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