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Spherical Micro Solar Cell
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SphelarVoice®
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Applications for Spherical Micro Solar cell, Sphelar®

SphelarVoice ®
About SphelarVoice®
SphelarVoice® is a battery-free wireless audio optical information system that is used to receive infrared ray , featuring to use in public spaces such as outdoor exhibits and events, and amusement facilities, where it can be used in interactive media or entertainment. In addition, an entrance ticket, annual pass or ID card will be provided for further applications.
Battery-free wireless audio optical information system with Sphelar® cells
SphelarVoice® is divided largely into 3 units such as power driving, LED light source,terminals of year phone, card case and other types to be used for audio optical information in many kinds of events and exhibitions.
>>Technical data sheet of Sphelar Voice®
Characteristics of SphelarVoice®
Infrared ray with audio signal is emitted from the infrared LED light source unit to be received or detected by earphone or card type terminals. Such a infrared ray is transformed to electric energy that has piezoelectric speaker sound according to simultaneous re-modulation.
Some numbers of Sphelar® cells are combined in series and/or parallel to be arrayed on one edge of year-phone or card-case terminal, being directly connected with piezoelectric speaker through one resistor.
This is not a system to receive a diffused signal just like electromagnetic wave, but is an appropriate one to receive a signal transmitted from the definite direction, and so has much possibility as an battery-free wireless audio optical information system for many kinds of applications.
Topic & News related to SphelarVoice® terminal unit
A design of a environmentally friendly terminal features a battery-free and handheld audio optical information terminal with an outer body made from molded bamboo. The 2006 Good Design Award judges gave this design concept a special prize for " Ecology Design Prize*( by the Minister of Economy, Trade and Industry ) " ( awarded,2006.10.25 )

*Ecology Design Prize; Particularly outstanding entries among those developed with a view to achieving a balance between society and the environment. Special Prizes winners are chosen from Good Design Award winners and are given by Minister of Economy, Trade and Industry.

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