Seppo Kivelä

Personal mobile communications device having multiple units

Method for forming a character string, an electronic communication device and a charging unit for charging the electronic communication device

User interface for mobile telephone

Exchangeable hardware module for radiotelephone

Antenna arrangement for small-sized radio communication devices

Apparatus and method for reducing the power consumption of an electronic device

Power consumption monitor and alarm for a mobile means of communication

Method for display power management and monitor equipped with a power management function

A method for forming a character string and an electronic communication device

Accessory RF unit for hand-held wireless telephone systems