(19)
(11) EP 0 113 423 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
16.07.1986 Bulletin 1986/29

(43) Date of publication A2:
18.07.1984 Bulletin 1984/29

(21) Application number: 83111940

(22) Date of filing: 29.11.1983
(84) Designated Contracting States:
DE FR GB

(30) Priority: 06.01.1983 US 456142

(71) Applicant: International Business Machines Corporation
 ()

(72) Inventors:
  • Aviram, Ari
     ()
  • Kovac, Zlata
     ()
  • Wang, Han Chung
     ()

   


(54) Impact printer


(57) An impact printer is disclosed that prints in color without using a ribbon. The device prints in an all-points addressable matrix code, and incorporates ball-point print elements (10) mounted on either a rotating belt or a rotating cylinder.






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