US00529O110A
United States Patent [19] til] Patent Number: 5,290,110
Takahashi [45] Date of Patent: Mar. 1, 1994
[54] DOCUMENT PROCESSING APPARATUS CAPABLE OF PRINTING MULTISIZED CHARACTERS
[75] Inventor: Tsutomu Takahashi, Kawasaki, Japan
[73] Assignee: Canon Kabushiki Kaisha, Tokyo, Japan
[21] Appl. No.: 935,347
[22] Filed: Aug. 28,1992
Related U.S. Application Data
[63] Continuation of Ser. No. 643,085, Jan. 22, 1991, abandoned, which is a continuation of Ser. No. 318,337, Mar. 3, 1989, abandoned.
[30] Foreign Application Priority Data
Mar. 7, 1988 [JP] Japan 63-051783
[51] Int. CI.' B41J 2/495
[52] U.S. CI 400/121; 395/102
[58] Field of Search 400/121, 76; 340/730,
340/731, 735, 790; 395/102
[56] References Cited
U.S. PATENT DOCUMENTS
3,991,868 11/1976 Robinson et al 400/121
4,203,154 5/1980 Lampson et al 364/900
4,371,274 2/1983 Jaeger 400/121
4,511,267 4/1985 Pokorny 340/731
4,574,364 3/1986 Tabata 340/731
4,630,947 12/1986 Yoshida 400/76
4,649,379 3/1987 Canton 340/731
4,655,622 4/1987 Aoki 400/121
4,668,963 5/1987 Tanabe et al 400/17
4,704,040 11/1987 Takano 400/121
4,707,153 11/1987 Nishi 400/76
4,829,453 5/1989 Katsuta 340/731
5,016,000 5/1991 Bugg 340/731
FOREIGN PATENT DOCUMENTS
120065 6/1985 Japan 400/76
Primary Examiner—David A. Wiecking
Assistant Examiner—Steven S. Kelley
Attorney, Agent, or Firm—Fitzpatrick Cella Harper &
Scinto
[57] ABSTRACT
A document processing apparatus includes a keyboard for inputting character data having a normal character height character and data having a character height extending over a plurality of lines, a memory for storing the character data input by keyboard, a printer for outputting a character pattern corresponding to the character data stored in the memory in units of lines, and a central processing unit for, when character patterns of one line are output by the printer, causing the printer to directly output a character pattern corresponding to the character data having the normal character height and to output part of the character pattern corresponding to the character data having the character height extending over the plurality of lines.
16 Claims, 9 Drawing Sheets
