(19)
(11)EP 2 026 293 A3

(12)EUROPEAN PATENT APPLICATION

(88)Date of publication A3:
27.05.2009 Bulletin 2009/22

(43)Date of publication A2:
18.02.2009 Bulletin 2009/08

(21)Application number: 08170461.1

(22)Date of filing:  06.09.2006
(51)Int. Cl.: 
G07D 7/00  (2006.01)
G07D 7/12  (2006.01)
(84)Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL BA HR MK RS

(30)Priority: 15.03.2006 JP 2006070519

(62)Application number of the earlier application in accordance with Art. 76 EPC:
06018689.7 / 1835469

(71)Applicant: Mitsubishi Denki Kabushiki Kaisha
Chiyoda-ku Tokyo, 100-8310 (JP)

(72)Inventors:
  • Endo, Takafumi c/o Mitsubishi Denki K.K.
    Chiyoda-ku, Tokyo 100-8310 (JP)
  • Toyota, Shigeru c/o Mitsubishi Denki K.K.
    Chiyoda-ku, Tokyo 100-8310 (JP)
  • Nokami, Yohei c/o Mitsubishi Denki K.K.
    Chiyoda-ku, Tokyo 100-8310 (JP)

(74)Representative: Popp, Eugen et al
Meissner, Bolte & Partner GbR Postfach 86 06 24
81633 München
81633 München (DE)

  


(54)Image reading device


(57) An image reading device includes: a conveying unit for conveying an irradiated member that has a hologram area in a conveying direction; a first light source for applying light to an irradiated part in the hologram area; and a second light source separated from the first light source along the conveying direction and applying light to an irradiated part in the hologram area when the hologram area is conveyed by a prescribed distance. An irradiation angle at which the irradiated part is irradiated with the light of the first light source is made to be different from an irradiation angle at which the irradiated part is irradiated with the light of the second light source when the hologram part is conveyed by the prescribed distance. Lights reflected by the hologram area are respectively received to detect an electric signal of the hologram area of the irradiated member.