Control device, camera device, control method, and program
AssigneeVictor Hasselblad AB
InventorsTakashi KOYAMA, Kenichi HONJO, Kenji MATSUMOTO
Life of this patent
Estimating the term…
Abstract
A control device includes a processor and a storage device. The storage device stores a program that, when executed by the processor, causes the processor to perform speed control to perform speed control to cause a speed of a lens of a camera device to reach a target speed, during the speed control, obtain a current value of a current provided to an electric motor of the camera device configured to drive the lens, determine a stop moment of stopping providing the current to the electric motor according to the current value, and control to stop providing the current to the electric motor at the stop moment to cause the lens to stop at a stop position.
Claims20
A control device comprising:
- a processor;
- and
- a storage device storing a program that, when executed by the processor, causes the processor to:
- perform speed control to cause a speed of a lens of a camera device to reach a target speed;
- during the speed control, obtain a current value of a current provided to an electric motor of the camera device configured to drive the lens;
- determine a stop moment of stopping providing the current to the electric motor according to the current value;
- and
- control to stop providing the current to the electric motor at the stop moment to cause the lens to stop at a stop position.
A camera device comprising:
- a lens;
- an electric motor configured to drive the lens;
- an image sensor;
- and
- a control device including:
- a processor;
- and
- a storage device storing a program that, when executed by the processor, causes the processor to:
- perform speed control to cause a speed of the lens to reach a target speed;
- during the speed control, obtain a current value of a current provided to the electric motor;
- determine a stop moment of stopping providing the current to the electric motor according to the current value;
- and
- control to stop providing the current to the electric motor at the stop moment to cause the lens to stop at a stop position.
A control method comprising:
- performing speed control to cause a speed of a lens of a camera device to reach a target speed;
- during the speed control, obtaining a current value of a current provided to an electric motor of the camera device configured to drive the lens;
- determining a stop moment of stopping providing the current to the electric motor according to the current value;
- and
- controlling to stop providing the current to the electric motor at the stop moment to cause the lens to stop at a stop position.
Dependencies are inferred from the claim text.