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US 2009/0289523 A1Published application
Protection device
AssigneeSony Ericsson Mobile Communications AB
InventorGunnar KLINGHULT
Life of this patent
Estimating the term…
Abstract
In an embodiment, a device is provided comprising an accelerometer and an electroactive material. A control circuit is coupled between the accelerometer and the electroactive material.
Claims14
1-13. (canceled)
A device comprising:
- an accelerometer;
- an electroactive material;
- and
- a control circuit coupled between the accelerometer and the electroactive material.
1 more element
An apparatus comprising:
- a movable component;
- at least one piece of electroactive material, the at least one piece of electroactive material being configured to alternately obtain a first state that reduces a potential for displacement of the movable part and a second state that allows displacement of the movable part,
- an accelerometer;
- and
- a control circuit coupled to the accelerometer and the at least one piece of electroactive material, the control circuit being configured to control the at least one piece of electroactive material to obtain the first state or the second state based on information that the control circuit receives from the accelerator.
2 more elements
A system comprising:
- means for detecting a potentially adverse movement of an apparatus;
- and
- means for using an electroactive polymer to selectively restrict movement of a movable component of the apparatus based on the detecting the potentially adverse movement.
Dependencies are inferred from the claim text.