Nokia Mobile Phones Limited

Nokia Corporation

Jari Liukkonen

Hannu Petri Hietalahti

Juha Matias Kallio

Simo Vapaakoski

Kari Pekka Kauranen

Jarmo Virtanen

Lauri Söderbacka

Antti Pitkämäki

A data transmission system comprising a mobile communication device such as a mobile telephone,, having an infra-red input/output communications port,arranged in a first mode of operation to transmit data between the portable device and a remote electronic device,via a wireless transmission link. The communication device has coupling means,,,associated with the infra-red communications port,for coupling a first end of a data transmission cable,to the infra-red communications port,, whereby in a second mode of operation data can be transmitted between the portable device,and the remote electronic,device via said infra-red communications port,and the cable,.

Portable electronic devices

Growing community of inventors

Tampere, Finland

Jari Liukkonen