Shutter and camera module with same

Details Shutter and camera module with same Shutter and camera module with same

2011-03-29

2011-03-29

Fuller, Rodney E (Department: 2862)

Photography

Exposure control circuit

Shutter speed function only

C359S295000

Reexamination Certificate

active

07917026

ABSTRACT:
A shutter includes a first light-pervious electrode, a second light-pervious electrode, a light-shielding layer sandwiched between the first and second light-pervious electrodes and a voltage supplying system. The light-shielding layer is comprised of an electrostrictive material. The light-shielding layer has a fixed end positioned adjacent to one edge of the first light-pervious electrode, and a free end facing toward the opposite edge. The free end is extendable towards the opposite edge of the first light-pervious electrode to block light from in response to a voltage applied to the light-shielding layer. The voltage supplying system is electrically connected with the first and second light-pervious electrodes for supplying a voltage between the first and second light-pervious electrodes.

REFERENCES:
patent: 2705903 (1955-04-01), Marshall
patent: 3476029 (1969-11-01), Schreckendgust
patent: 4640621 (1987-02-01), Rose
patent: 5408353 (1995-04-01), Nichols et al.
patent: 2004/0183965 (2004-09-01), Lundgren
patent: 2004/0263669 (2004-12-01), Kobayashi
patent: 2007/0002422 (2007-01-01), O'Shaughnessy
patent: 2007/0133983 (2007-06-01), Traff
patent: 2008/0085113 (2008-04-01), Hsiao
patent: 2008/0124072 (2008-05-01), Yuan
patent: 2009/0046977 (2009-02-01), Thapliya et al.

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