MEMS Device for Lens Barrel Positioning
The Micro electro-mechanical system (MEMS) utilizes thermal micro-actuators for lens barrel positioning in a camera module for smart device such as mobile phone. The micro actuators are radially extended from a lens barrel, wherein each of the micro actuators is bendable in response to thermal energ...
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| creator | LAU Gih Keong LIM Cheng Yi CHONG Nyok Boon ZHU Chuangui CHEN Zhenyu |
| description | The Micro electro-mechanical system (MEMS) utilizes thermal micro-actuators for lens barrel positioning in a camera module for smart device such as mobile phone. The micro actuators are radially extended from a lens barrel, wherein each of the micro actuators is bendable in response to thermal energy. A control unit includes a heater circuit operatively linked to the micro actuators to controllably apply the thermal energy to each of the micro actuators, wherein each of the micro actuators is bent correspondingly to move the lens barrel with respect to the base so as to control a 3-axis positioning of the lens barrel. The micro actuators are also operated independent of ambient temperature. |
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The micro actuators are radially extended from a lens barrel, wherein each of the micro actuators is bendable in response to thermal energy. A control unit includes a heater circuit operatively linked to the micro actuators to controllably apply the thermal energy to each of the micro actuators, wherein each of the micro actuators is bent correspondingly to move the lens barrel with respect to the base so as to control a 3-axis positioning of the lens barrel. 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| subjects | ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHOTOGRAPHY PHYSICS |
| title | MEMS Device for Lens Barrel Positioning |
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