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1. Adjustable aperture for cellular phone camera |
| The camera for the cellular phone advances to a high pixel, and installing the adjustable aperture that controls quantities of light is hoped for. Thinness and the small size are the keys to installing. Our company developed a micro device by using the polymer actuator. |
| Size for SMIA95 | Size for SMIA65 | |
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Diameter of aperture changes 0.5 mm to 1.0 mm. |
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| Figure of structure（SMIA65） |
| We realized microminiaturization taking advantage of the feature of a polymer actuator. The thickness of a device is 1.5mm, and a diameter can be arbitrarily changed with lens size.The principle of the hand swinging correction matches the angle of one lens to the movement of the hand swinging, moves instantaneously, and rectifying blur of a picture. 1.0mm thickness and 7mm diameter are also possible for the size of a device, and it satisfies "SMIA" which is the specification of cellular-phone camera module from Nokia. | ||
| Good points *Thin actuator shape is made the best use of, and a micro size is achieved. *Highly precise position control can be performed *Structure simple, part mark, few, low cost *Low power consumption | ||
 Click for play movie | Specifications
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 Figure of structure | |||||||||||||||||||||||||||
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Up Date←click It is said that it becomes easy for the limit to exist in the miniaturization because the structure is complex, and for the problem to occur by the quality at the product if the voice coil motor and the piezo actuator that is an existing technology are used for the lens transportation, and the manufacturing cost rises, too. Because our polymer actuator is "Simple structure to plate plastic", manufacturing can be easy and decrease a great cost. Moreover, power consumption decreases very much driving and fundamentally. Because the actuator is a film of 0.2mm thickness, the design by a size near the fixed focus lens device becomes possible. | ||
| Good points | ||
| * Low consumption electricity(0.03W) | ||
| * Microminiature super light weight(0.015g) | ||
| * Structure is simple, and with a few part marks, it is low cost | ||
| * The low drive voltage(3 or 4V) | ||
| * The positioning that is highly precise by a brief control circuit is possible | ||
| * Driving force had shown more than 6gf | ||
| The lens device of an existing cellular phone camera synchronizes a micro motor, a small cogwheel, and a small cam, etc. and moves the lens. It was necessary space that put the transportation parts, and had the limit in the miniaturization of the lens unit. | ||
| Our device need not use parts such as cogwheels and cams because it is moves the lens directly with the polymer actuator. Moreover, because the actuator can be set up in the space, the lens unit can be greatly reduced to the size. | ||
Zoom mechanismSize D14 x W20 x H12mm | ||
| The polarity of the actuator was reversed, and piled them up. The vertical movement stroke can be efficiently taken out by an appropriate piling. It is possible to apply it also to vertical movements other than the zoom mechanism. | ||
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| Click for play movie | ||
| Sample appearance | ||
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| The optimization design matched to user's design specification is done about the zoom mechanism design. | ||
2.Medical device (catheter, guide wire, others) |
A tube actuator is applied to the catheter tip of 1mm diameter,and the actuator tip can be bent in all directions under outside control of the body by the electric lead wire. In interventional radiology, reaching the diseased part after the blood vessel is selected, doing packing of the artery, and doing concentrated administering etc. of anti-cancer drug easily and safely become possible.
Animation of tubular form actuator
3.Hobby |
| Active Strap | |
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| Active Greeting Cards | |
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| Ringing Bell by Itself | |
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| Artificial muscle fish/fish robot | ||
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| It is the artificial fish which sails in the tail fillet made with the actuator element.
Electric power is supplied to the coil in an artificial fish by the electromagnetic induction from a tank. It can swim a long term without a maintenance. | ||
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Movie(WMV form) |
| Looking for manufacturing and sales companies. |
| We will help commercialization in your design. |
| The dinosaur or the stuffed animal | ||
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| The dinosaur or the stuffed animal with soft movement in a living thing way can be achieved. | ||
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| The head of a dinosaur, a tail, and an eyeball move. | Head of stuffed animal, an ear, and a tail move. | |
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