Infrared antenna aims to reduce mobile phone radiation

Knight, Helen
September 2002
Engineer (00137758);9/13/2002, Vol. 291 Issue 7611, p17
Reports on the development of an infrared antenna aimed at reducing mobile phone radiation. Potential of the technology to secure financial transactions; Conversion of electrical signals from a mobile phone into a low-level infrared light beam; Use of a crystal earpiece speaker in the device.


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