CoBIT invention
In October 2001, I invented a terminal device CoBIT, Compact battery-less information terminal, that plays audio information when the user looks at an object. The CoBIT operates on a solar battery and has an earphone and a reflector. It is small and inexpensive and it will be commercially available priced at a dollar or less. The electric current generated by a solar battery will flow directly to the earphone. The device generates sound receiving light signals flashing on and off in accordance with the sound waveform. An infrared light projector-camera system makes only CoBIT visible as it is attached with a light reflector. It is possible to recognize the user's movement and signs, by analyzing the positions of these glowing points. This technology enables interaction between the user and the system. For example, in a museum, when CoBIT asks a user if more detailed explanation is necessary, the user can answer to the question by means of gestures. If the user says "No", the system suggests to move on to the next object.
Art space creation
In July 2002, Dr. Nakamura and I have cooperated to Mr. Tastuya Matsui, art designer, in CoBIT technology. He has created the first scene of Doraemon, which is famous cartoon of Hujiko and Hujio. The visitor with CoBIT can hear the outside sound in 1970 if he/she looks to the window and can hear the washing and cleaning sound of the next room if he/she looks into the wardrobe.
Future information support system
CoBIT can transmit its identification number through a liquid crystal shutter fitted on a light reflector. The system instantly provides not only auditory information but also music, moving pictures and so on and meets the user's requirement on the spot. This function is operated based on various data such as the user's preference, schedule, previous actions and signals.
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