Mobile zoom using multiple optical image stabilization cameras
Some embodiments include a camera system having a first camera unit and a second camera unit. The first camera unit may include a first actuator. The second camera unit may include a second actuator. In some embodiments, the first actuator may move one or more components of the first camera unit to provide autofocus and/or optical image stabilization functionality to the first camera unit. In some embodiments, the second actuator may move one or more components of the second camera unit to provide autofocus and/or optical image stabilization functionality to the second camera unit. In some examples, the first camera unit may be configured to capture a first image of a first visual field. The second camera unit may be configured to capture, simultaneously with the first camera unit capturing the first image, a second image of a second visual field.
1. A camera system, comprising:
a first camera unit for capturing a first image of a first visual field, wherein:
the first camera unit comprises a first actuator for moving a first optical package configured for a first focal length; and
the first actuator comprises a first actuator magnet; and
a second camera unit for capturing, simultaneously with the first camera unit capturing the first image, a second image of a second visual field, wherein:
the second camera unit comprises a second actuator for moving a second optical package configured for a second focal length; and
the second actuator comprises a second actuator magnet;
wherein:
the first actuator magnet and the second actuator magnet have polarities aligned antiparallel to one another;
the first optical package and the second optical package are situated between the first actuator magnet and the second actuator magnet along an axis between the first actuator magnet and the second actuator magnet; and
no actuator magnets are situated between the first optical package and the second optical package along the axis.
2. The camera system of claim 1 , wherein:
the first actuator magnet is a first actuator lateral magnet to move the first optical package in one or more directions orthogonal to a first optical axis of the first optical package; and
the second actuator magnet is a second actuator lateral magnet to move the second optical package in one or more directions orthogonal to a second optical axis of the second optical package.
3. The camera system of claim 2 , wherein:
the first actuator and the second actuator each further comprises a respective first pair of actuator transverse magnets situated opposite one another with respect to the axis between the first actuator lateral magnet and the second actuator lateral magnet; and
the first actuator and the second actuator each further comprise a respective second pair of actuator transverse magnets situated opposite one another with respect to the axis between the first actuator lateral magnet and the second actuator lateral magnet.
4. The camera system of claim 3 , wherein:
the respective first pair of actuator transverse magnets and the respective second pair of actuator transverse magnets of the first actuator are to move the first optical package in at least one direction parallel to the first optical axis; and
the respective first pair of actuator transverse magnets and the respective second pair of actuator transverse magnets of the second actuator are to move the second optical package in at least one direction parallel to the second optical axis.
5. The camera system of claim 3 , wherein:
the magnets of the respective first pair of actuator transverse magnets of the first actuator have polarity alignments parallel to the respective alignments of corresponding magnets of the respective first pair of actuator transverse magnets of the second actuator.
6. The camera system of claim 3 , wherein:
the magnets of the respective first pair of actuator transverse magnets of the first actuator have polarity alignments antiparallel to the respective alignments of corresponding magnets of the respective first pair of actuator transverse magnets of the second actuator.
7. The camera system of claim 3 , wherein the first actuator lateral magnet and the second actuator lateral magnet have polarities aligned at right angles to polarities of the respective first pair of actuator transverse magnets.
8. The camera system of claim 1 , wherein:
the first actuator further comprises a first coil;
the second actuator further comprises a second coil; and
the first coil and the second coil are aligned with current circulating in a plane parallel to a plane in which the first actuator lateral magnet and the second actuator lateral magnet have polarities aligned.
9. An actuator system, comprising:
a first actuator for moving a first optical package configured for a first focal length, wherein the first actuator comprises a first actuator magnet; and
a second actuator for moving a second optical package configured for a second focal length, wherein the second actuator comprises a second actuator magnet;
wherein:
the first actuator magnet and the second actuator magnet have polarities aligned antiparallel to one another;
the actuator system is configured for situating the first optical package and the second optical package between the first actuator magnet and the second actuator magnet along an axis between the first actuator magnet and the second actuator magnet; and
no actuator magnets are situated between the first optical package and the second optical package along the axis.
10. The actuator system of claim 9 , wherein:
the first actuator magnet is a first actuator lateral magnet to move the first optical package in one or more directions orthogonal to a first optical axis of the first optical package; and
the second actuator magnet is a second actuator lateral magnet to move the second optical package in one or more directions orthogonal to a second optical axis of the second optical package.
11. The actuator system of claim 10 , wherein:
the first actuator and the second actuator each further comprises a respective first pair of actuator transverse magnets situated opposite one another with respect to the axis between the first actuator lateral magnet and the second actuator lateral magnet; and
the first actuator and the second actuator each further comprise a respective second pair of actuator transverse magnets situated opposite one another with respect to the axis between the first actuator lateral magnet and the second actuator lateral magnet.
12. The actuator system of claim 11 , wherein:
the respective first pair of actuator transverse magnets and the respective second pair of actuator transverse magnets of the first actuator are to move the first optical package in at least one direction parallel to the first optical axis; and
the respective first pair of actuator transverse magnets and the respective second pair of actuator transverse magnets of the second actuator are to move the second optical package in at least one direction parallel to the second optical axis.
13. The actuator system of claim 11 , wherein the first actuator lateral magnet and the second actuator lateral magnet have polarities aligned at right angles to polarities of the respective first pair of actuator transverse magnets.
14. The actuator system of claim 9 , wherein:
the first actuator further comprises a first coil;
the second actuator further comprises a second coil; and
the first coil and the second coil are aligned with current circulating in a plane parallel to a plane in which the first actuator lateral magnet and the second actuator lateral magnet have polarities aligned.
15. A multifunction device, comprising:
a camera system, comprising:
a first camera unit for capturing a first image of a first visual field, wherein:
the first camera unit comprises a first actuator for moving a first optical package configured for a first focal length; and
the first actuator comprises a first actuator magnet; and
a second camera unit for capturing, simultaneously with the first camera unit capturing the first image, a second image of a second visual field, wherein:
the second camera unit comprises a second actuator for moving a second optical package configured for a second focal length; and
the second actuator comprises a second actuator magnet;
wherein:
the first actuator magnet and the second actuator magnet have polarities aligned antiparallel to one another;
the first optical package and the second optical package are situated between the first actuator magnet and the second actuator magnet along an axis between the first actuator magnet and the second actuator magnet; and
no actuator magnets are situated between the first optical package and the second optical package along the axis;
one or more processors; and
memory storing program instructions that are executable by the one or more processors to control operation of the camera system and to perform one or more other functions of the multifunction device.
16. The multifunction device of claim 15 , wherein:
the first actuator magnet is a first actuator lateral magnet to move the first optical package in one or more directions orthogonal to a first optical axis of the first optical package; and
the second actuator magnet is a second actuator lateral magnet to move the second optical package in one or more directions orthogonal to a second optical axis of the second optical package.
17. The multifunction device of claim 16 , wherein:
the first actuator and the second actuator each further comprises a respective first pair of actuator transverse magnets situated opposite one another with respect to the axis between the first actuator lateral magnet and the second actuator lateral magnet; and
the first actuator and the second actuator each further comprise a respective second pair of actuator transverse magnets situated opposite one another with respect to the axis between the first actuator lateral magnet and the second actuator lateral magnet.
18. The multifunction device of claim 17 , wherein:
the respective first pair of actuator transverse magnets and the respective second pair of actuator transverse magnets of the first actuator are to move the first optical package in at least one direction parallel to the first optical axis; and
the respective first pair of actuator transverse magnets and the respective second pair of actuator transverse magnets of the second actuator are to move the second optical package in at least one direction parallel to the second optical axis.
19. The multifunction device of claim 17 , wherein the first actuator lateral magnet and the second actuator lateral magnet have polarities aligned at right angles to polarities of the respective first pair of actuator transverse magnets.
20. The multifunction device of claim 15 , wherein:
the first actuator further comprises a first coil;
the second actuator further comprises a second coil; and
the first coil and the second coil are aligned with current circulating in a plane parallel to a plane in which the first actuator lateral magnet and the second actuator lateral magnet have polarities aligned.