Zoom lens unit and image pickup apparatus

Details Zoom lens unit and image pickup apparatus Zoom lens unit and image pickup apparatus

2006-08-22

2006-08-22

Ben, Loha (Department: 2873)

Optical: systems and elements

Lens

With variable magnification

C359S696000, C359S823000, C396S087000, C396S133000, C310S012060, C310S309000, C348S335000, C348S374000, C257S232000

Reexamination Certificate

active

07095565

ABSTRACT:
In a zoom lens unit, substrate are arranged to be faced to each other and are provided with first driving electrodes used to drive a first movable section and second driving electrodes used to drive a second movable section, respectively. A recessed portion is formed in the first movable section so as to face the second driving electrodes. A recessed portion is also formed in the second movable section so as to face the first driving electrodes. The first and second movable sections can be independently controlled to achieve a zoom operation.

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Akihiro Koga, et al., “Electrostatic Linear Mircoactuator Mechanism For Focusing a CCD Camera”, Reprinted from IEEE Journal of Lightwave Technology, vol. 17, No. 1, Jan. 1999, pp. 43-47 and 2 cover pages.

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