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Patent Searching and Data


Title:
IMAGING DEVICE, BIOMETRIC AUTHENTICATION DEVICE, AND ELECTRONIC DEVICE
Document Type and Number:
Japanese Patent JP2010220035
Kind Code:
A
Abstract:

To provide an imaging device which uses a lens array of a plurality of lenses and can eliminate the need for a separate arrangement of detecting an ambient brightness and can achieve space saving and low cost by photographing a subject and detecting the illumination of surroundings of the device with use of the same lens array structure.

A visible light removing filter is provided to lens regions 27, 28, 29 as a part of a lens array 3. A subject is photographed by using light which passes through lenses 7, 8, 9 having the visible light removing filter formed thereon, and reaches an imaging element 10 for reception by the imaging element. The illumination of surroundings of the device is detected by utilizing light which passes through a lens 5 as a part of lens regions 24 25, 26 having the visible light removing filter not formed thereon and reaches the imaging element 10.


Inventors:
MORITA NOBUHIRO
YAMANAKA YUJI
WATABE JUN
AOKI SHIN
OUCHIDA SHIGERU
SASAKI TETSUYA
Application Number:
JP2009066330A
Publication Date:
September 30, 2010
Filing Date:
March 18, 2009
Export Citation:
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Assignee:
RICOH CO LTD
International Classes:
H04N5/225; A61B5/117; G02B3/00; G03B11/00; G03B19/07; G06T1/00
Attorney, Agent or Firm:
Makoto Suzuki
Kazuhito Oura