Card device for high-speed wireless data communication

Details Card device for high-speed wireless data communication Card device for high-speed wireless data communication

2002-10-31

2008-10-07

Orgad, Edan (Department: 2619)

Multiplex communications

Communication over free space

Combining or distributing information via code word channels...

C455S554200, C455S557000

Reexamination Certificate

active

07433346

ABSTRACT:
A card device for performing high-speed wireless data communication faster and more stable than a wireless data communication via an existing USB interface and UART serial bus interface is provided, including an antenna for transmitting and receiving a RF signal, a RF signal converter for converting the RF signal received by the antenna into a baseband signal and converting an internal data signal into an RF signal, and a mobile communication modem for outputting the internal data signal to the RF signal converter, receiving the baseband signal from the RF signal converter, checking whether a dual port RAM is accessible, and performing a data transmission/receiving operation with the dual port RAM when the dual port RAM is accessible. The dual port RAM has two ports connected respectively to the mobile communication modem and a PCMCIA interface and interfaces a data transmission/receiving operation between the mobile communication modem and the PCMCIA interface. The PCMCIA interface is connected to a personal computer according to a PCMCIA protocol, checks whether the dual port RAM is accessible, and performs a data transmission/receiving operation with the dual port RAM when the dual port RAM is accessible.

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patent: 6915142 (2005-07-01), Wietfeldt
patent: 7024223 (2006-04-01), Wietfeldt

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