发明名称 |
OPTICAL IMAGE STABILISATION |
摘要 |
A camera apparatus capable of providing optical image stabilization comprises a support structure and a camera unit, that comprises an image sensor and a lens system for focussing an image thereon, supported on the support structure in a manner allowing it to tilt around two notional axes perpendicular to each other and to the optical axis. An SMA actuation system comprises two SMA actuator subsystems each comprising plural SMA actuators connected between the camera unit and the support structure. The SMA actuators of the respective SMA actuator subsystems are arranged, on contraction, to drive displacement of the camera unit in opposite directions along the optical axis. The SMA actuators of each SMA actuator subsystem are also arranged, on differential contraction, to drive rotation of the camera unit around a respective one of said notional axes. |
申请公布号 |
EP2394425(A1) |
申请公布日期 |
2011.12.14 |
申请号 |
EP20100702530 |
申请日期 |
2010.01.29 |
申请人 |
CAMBRIDGE MECHATRONICS LIMITED |
发明人 |
BROWN, ANDREW, BENJAMIN, DAVID |
分类号 |
H04N5/225;G02B27/64;H04N5/232 |
主分类号 |
H04N5/225 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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