A camera device in or on a vehicle includes a lens module, a driving module having at least one shape memory alloy wire, and a converting module. The camera device is connected to a control device and receives control signals from the control device. The control signal drives the lens module to move for purpose of automatic focusing by applying heat to energize or de-energize the length or shape of the shape memory alloy wire.
AUTOMATIC FOCUSING SYSTEM, METHOD, AND VEHICULAR CAMERA DEVICE THEREFOR
2021-02-25
Patent
Electronic Resource
English
Vehicular camera assembly process with dual focusing feature
European Patent Office | 2021
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