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15. (US20170227731) IMAGING APPARATUS

Application Number: 15041011 Application Date: 10.02.2016
Publication Number: 20170227731 Publication Date: 10.08.2017
Publication Kind : A1
IPC:
G02B 7/09
H02N 2/02
G03B 5/06
H02K 41/035
G02B 27/64
G03B 13/36
Applicants: Microsoft Technology Licensing, LLC
Inventors: Marko Eromäki
Priority Data:
Title: (EN) IMAGING APPARATUS
Abstract:
(EN)

The imaging apparatus comprises a retractable structure with active and inactive positions. In the inactive position the lens group and the lens group actuator reside close to an image sensor. An activating actuator moves the lens group and at least one lens group actuator between active and inactive positions. The activating actuator comprises a movable ferromagnetic element and a fixed electromagnetic element. When an electric current is applied to the electromagnetic element, the ferromagnetic element moves to a predefined position. The retractable lens movement is in one embodiment bistable, for example a piece of ferromagnetic material holding the retractable element in place.