About the Project 'Furin'
- Exhibited in Okamura Design Space R
- Held every year in Okamura Corporation’s showroom
- Sixth anniversary of the exhibition
- Takram joined Toyo Ito & Architects Associates in
- the development of this project in 2007
Content & Objective
- Equilateral triangles grid,14 by 20 rows
- Total of 280 wind chimes are hung from the ceiling
- Height varies according to the shape of a sine wave
- Wind chimes ring and LED light flash when people walk underneath
- Wind chimes closer to ceiling create higher tones
- Those hung lower will create lower tones
- There is a total of 10 degrees of tones
- All wind chimes are networked together, so sound and light spreads like water ripples
- Inspired from behavior of animals in nature, no leader, but act in oder, such as fireflies
- Start with 3 or 4, then increases to massive amount like fireflies, if neighbour glows, it glows.
- Individual elements are independent but all of them are connected together
Mechanism
- Mechanism is hidden behind a plastic box fixed to the ceiling
- Inside includes aluminum bar and circuit board
- Each wind chimes is connected to nearest six chimes by cables
- Each will individually light up when movements detected
- Individual wind chime also sends signal to nearest six through electricity
- Send 5V signal to next unit, then lower than 5V to create dimmer light
Design of Wind Chimes
- Glass wind chimes was created by Kinshicho craftsmen in Tokyo
- Very thin blown glass with no lead, environmentally friendly
- USUHARI company added wine glass to give soft glow
Sound Source
- Sound is produced inside the box near ceiling
- It is not pre-recorded, but it is physically generated
- Detected movements make hammer strikes the bar
- Aluminium bar is easier to processed than glass
- Aluminium makes it possible to control musical pitch
- Each aluminium bar is different by few millimetres to create different tones
Landscape Design
- Height of wind chimes is determined by sine curves of X and Y axis
- Add different cycles of curve to create complex landscape
- Result in three dimensional curves with no horizontal planes
Technical Problems
- Originally designed to have light and sound from same source
- Too difficult to control the attack and volume after experiment
- Separate function, one stored in ceiling, another in the glass
- Human ears cannot detect location of sound precisely, so when sound created simultaneously with light, it feel as if they both come from the same location
- Signal is able to go through a broken chime, so is hard to detect the problem when the network fails
- During installation at Okamura, inverter of AC make 280 wind chimes rang at once, and problem is solved by using noise filtering program
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