| CPC H04N 23/55 (2023.01) [G02B 7/023 (2013.01); G03B 17/04 (2013.01); H04N 23/54 (2023.01); H04N 23/57 (2023.01)] | 30 Claims |

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1. A camera module for use in a portable electronic device, camera module comprising:
a lens barrel comprising an objective assembly holding coaxially one or more lens elements defining an optical axis, the lens barrel being configured to be axially movable between an operative state and a collapsed state;
a cover window arranged over the lens barrel and configured to be axially movable between a retracted position and an extended position;
an actuator including a worm screw configured to be powered by a driving motor;
a cover window pop-out assembly actuatable by the actuator, the cover window pop-out assembly including a wheel shaped driving cam configured to be driven rotationally by the worm screw, the driving cam being coupled to the cover window so that a rotation of the driving cam causes the cover window to axially move between the retracted position and the extended position;
a carrier configured to receive the lens barrel;
a barrel pop-out assembly configured to cause the lens barrel to axially move from the collapsed state to the operative state; and
an image sensor configured to image a field of view of the objective assembly when the lens barrel is in the operative state,
wherein:
the carrier is coupled to the driving cam to form a helical cam mechanism;
the barrel pop-out assembly includes a fixed coupling between the lens barrel and the carrier so that a rotation of the driving cam causes the carrier to move the lens barrel between the collapsed state and the operative state; and
at least one cam helical groove in the driving cam is configured to cooperate with at least one carrier helical groove in the carrier so as to enclose a corresponding at least one bearing ball capable of transferring movement from the driving cam to the carrier.
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