(19)
(11) EP 0 221 472 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
10.08.1988 Bulletin 1988/32

(43) Date of publication A2:
13.05.1987 Bulletin 1987/20

(21) Application number: 86114790

(22) Date of filing: 24.10.1986
(84) Designated Contracting States:
CH DE FR GB IT LI SE

(30) Priority: 25.10.1985 JP 23751585

(71) Applicant: DAI NIPPON INSATSU KABUSHIKI KAISHA
 ()

(72) Inventors:
  • Kobayasha, Michiaki
     ()
  • Suzuki, Daiji
     ()
  • Yamada, Kenji
     ()

   


(54) An apparatus and a method for measuring registration errors of a print


(57) A handy type image inputting device is utilized to be set over a portion of a print (x) to be inspected to input the image of the registration marks. The image inputted by the device is displayed on a display device (4) so as to provide an enlarged image to be observed for measurement of registration error. At least two kinds of registration marks such as those which have no spacings when registration is completed and those which have regular spacings when registration is completed may be utilized.







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