(12) United States Patent ao) Patent No.: us 6,312,102 Bi
Moriyama et al. (45) Date of Patent: Nov. 6,2001
(54) COLOR INK JET RECORDING METHOD AND APPARATUS USING BLACK INK AND COLOR-MIXED BLACK INK
(75) Inventors: Jiro Moriyama, Kawasaki; Naqji
Otsuka, Yokohama; Nobuyuki
Kuwabara, Kawasaki; Isao Ebisawa,
Yokohama; Atsushi Arai; Hisao
Yaegashi, both of Kawasaki; Toshiharu
Inui; Kentaro Yano, both of
Yokohama; Kiichiro Takahashi,
Kawasaki; Osamu Iwasaki, Tokyo;
Daigoro Kanematsu, Yokohama, all of
(JP)
(73) Assignee: Canon Kabushiki Kaisha, Tokyo (JP)
( * ) Notice: Subject to any disclaimer, the term of this patent is extended or adjusted under 35 U.S.C. 154(b) by 0 days.
(21) Appl. No.: 09/549,935
(22) Filed: Apr. 14, 2000
Related U.S. Application Data
(62) Division of application No. 08/143,157, filed on Oct. 29, 1993, now Pat. No. 6,084,604.
(30) Foreign Application Priority Data
Oct. 30, 1992 (JP) 4-292541
Oct. 30, 1992 (JP) 4-292543
Oct. 30, 1992 (JP) 4-292544
Oct. 30, 1992 (JP) 4-292545
Oct. 30, 1992 (JP) 4-292646
Oct. 4, 1993 (JP) 5-248139
(51) Int. CI.7 B41J 2/21; B41J 2/205
(52) U.S. CI 347/43; 347/15
(58) Field of Search 347/43, 15
(56) References Cited
U.S. PATENT DOCUMENTS
4,313,124 1/1982 Hara 346/140 R