Printing head, printing method and apparatus using same, and apparatus and method for ...

46 Pages·2013·2.33 MB·English

US006116714A
United States Patent [19] [11] Patent Number: 6,116,714
Imanaka et al. [45] Date of Patent: *Sep. 12, 2000
[54] PRINTING HEAD, PRINTING METHOD AND 4,074,320 2/1978 Kapes, Jr. ......................... .. 358/302 X
APPARATUS USING SAME, AND
4,313,124 1/1982 Hara . . . . . . . . . . . . . . . . . .. 347/57
APPARATUS AND METHOD FOR 4,345,262 8/1982 Shirato et al. 347/10
CORRECTING SAID PRINTING HEAD 4,459,600 7/1984 Sato et al. ..... .. 347/47
4,463,359 7/1984 Ayata et al. ............................. .. 347/56
[75] Inventors: Yoshiyuki Imanaka, Yokohama; 4,558,333 12/1985 Sugitani et al. ........................ .. 347/65
Masaki Inaba, Kawasaki; Masami
(List continued on neXt page.)
Ikeda; Yutaka Koizumi, both of
Yokohama; Tsuyoshi Orikasa,
FOREIGN PATENT DOCUMENTS
Musashimurayama; Tatsuo Furukawa,
Isehara; Toshio Kashino, Chigasaki; 0042055 12/ 1981 European Pat. Off. .
Hideaki Kishida, Kawasaki; Seiichiro 0183680 6/1986 European Pat. Off. .
Karita, Yokohama; Shuji Koyama, 0260574 3/1988 European Pat. Off. .
Kawasaki; Haruhiko Terai; Kimiyuki 0405574 1/1991 European Pat. Off. .
0419178 3/1991 European Pat. Off. .
Hayasaki, both of Yokohama; Shuichi
Katao, Atsugi; Akira Goto, Yokohama;
(List continued on neXt page.)
Kouichi Omata, Kawasaki; Hiroyuki
Maru, Atsugi; Masaaki Izumida,
OTHER PUBLICATIONS
Kawasaki; Yuji Kamiyama, Fujisawa;
Takayuki Ono, Kawasaki, all of Japan Tsutsumi, Y. et al., “Desktop Publishing System”, Toshiba
Publication, vol. 44, No. 1 (1989), cover, pp. 45—48 and 80.
[73] Assignee: Canon Kabushiki Kaisha, Tokyo,
Japan
Primary Examiner—N. Le
[*] Notice: This patent issued on a continued pros Assistant Examiner—Judy Nguyen
ecution application ?led under 37 CFR Attorney, Agent, or Firm—FitZpatrick, Cella, Harper &
1.53(d), and is subject to the twenty year Scinto
patent term provisions of 35 U.S.C.
[57] ABSTRACT
154(a)(2).
A printing head has a plurality of heater boards, each of
[21] Appl. No.: 08/397,352
which includes a shift register to which printing data and
[22] Filed: Mar. 2, 1995 selection data for selecting preheating pulse signals are
applied as inputs, a latch circuit for latching the printing
[30] Foreign Application Priority Data
data, a selection-data latch circuit for latching the selection
Mar. 4, 1994 [JP] Japan .................................. .. 6-034558 data, a selection circuit for selecting any one of a plurality
Mar. 7, 1994 [JP] Japan .. 6-035607 of preheating pulse signals inputted in accordance with the
Mar. 23, 1994 [JP] Japan .................................. .. 6-051711 latched selection data, and a plurality of heating resistors
driven by the printing data or preheating pulse signals.
[51] Int. Cl.7 .................................................. .. B41J 29/393
Correction data, obtained by a head correcting apparatus, for
performing printing at an average density by correcting the
[[5528]] UFiSe.ld Col.f Search ................................ .. 347/19, 17, 13,
characteristics of each heater board is stored in a memory of
347/60, 185, 186 the printing head. Aprinting apparatus decides the selection
data in accordance with the correction data and sets the
[56] References Cited
selection data in the selection-data latch circuit.
US. PATENT DOCUMENTS
3,700,852 10/1972 Ruggiero ............................... .. 347/211 41 Claims, 27 Drawing Sheets
1000
6,116,714
Page 2
US. PATENT DOCUMENTS FOREIGN PATENT DOCUMENTS
4,563,691 1/1986 Noguchi et a1. ...................... .. 347/190 0421806 4/1991 European Pat~ Off _
4,595,935 6/1986 Brooks eta1. .. 347/171 0440490 8/1991 European pat Opp
4,596,995 6/1986 Yamakawa 61 8.1. .. 347/237 0445916 9/1991 European Pat~ '
4,608,577 8/1986 Hon ............. .. 347/66 0453714A M1991 European Pat Off”
4,689,694 8/1987 Yoshida . 347/237 X 0475638 3/1992 European Pat Om _
2323152 Z1322 Egg‘; ' 32x22 0511602 11/1992 European Pat. 011..
4,829,324 5/1989 Drake et a1. ' .... .. 347/63 0527610 2/1993 European Pat' O?' '
4,835,549 5/1989 Samejima et al. 347/237 532248 3/1993 European Pat- O?- -
4,908,635 3/1990 IWasaWaa et a1. 347/14 0605216 7/1994 European Pat- O?- -
4,918,462 4/1990 Tomita eta1. .. 347/237 54-56847 5/1979 Japan
4,982,199 1/1991 Dunn ........ .. 347/60 X 55432253 10/1980 Japan -
5,016,023 5/1991 Chan eta1. 347/42 59423670 7/1984 Japan
5,036,337 7/1991 ReZanka .347/14 59-138461 8/1984 Japan
5,049,898 9/1991 Arthur et al. 347/19 60-71260 4/1985 Japan.
5,057,854 10/1991 Pond eta1. 347/42 2-2009 1/1990 Japan.
5,065,170 11/1991 ReZanka et a1. . 347/42 3-227633 10/1991 Japan .
5,068,674 11/1991 Sato et a1. .... .. 347/62 3227635 10/1991 Japan .
5,098,503 3/1992 Drake ................................. .. 156/299 3.227641 10/1991 ]apan_
5,109,234 4/1992 Otis, Jr. et a1. . 3.227663 1O/1991 Japan _
5,157,411 10/1992 Takekoshi, 61 a1. . 3_227669 1O/1991 Japan _
5,164,747 11/1992 Osada 61 8.1. ......................... .. 347/19 4_110169 4/1992 Japan '
5,175,565 12/1992 Ishinaga et al. 347/67 4433741 5/1992 Japan _
5,235,351 8/1993 Koizumi ....... .. . 347/14 M29278 8/1992 Japan_
5,281,980 1/1994 Kishida et al. 347/13 M32749 8/1992 Japan
5,285,220 2/1994 Suzuki et a1. .. 347/14 4632657 11/1992 h an‘
5,289,210 2/1994 Takayanagi . 347/14 5 24192 2 1993 J P "
5,305,024 4/1994 Moriguchi et al. 347/11 ' / aPan
5,353,051 10/1994 Katayama, et a1. . 347/13 5'31905 2/1993 Japan -
5,361,087 11/1994 Tajima eta1. . 347/44 542682 2/1993 Japan
5,473,351 12/1995 He1ter1ine et a1. 347/19 5493127 8/1993 Japan -
5,475,405 12/1995 Widder et a1. . 347/14 2169856 7/1986 United Kingdom
5,504,507 4/1996 Watrobski et a1. 347/19 2220892 1/1990 United Kingdom -
5,596,353 1/1997 Takada et a1. .......................... .. 347/19 2 242 046 9/1991 United Kingdom .
5,861,895 1/1999 Tajika, eta1. ........................... .. 347/14 2243265 10/1991 United Kingdom.
5,894,314 4/1999 Tajika, et a1. ........................... .. 347/14 WO 91/14577 10/1991 WIPO.
U.S. Patent Sep. 12,2000 Sheet 1 0f 27 6,116,714
FIG. 1
1 2 6
\ / /
I I IMAGE DATA
CONTROLLER ’ 'MAGE DATA
CPU I/O
7
,J
3 DRIVING SIGNAL b
\ CONTROLLER DRIVE SIGNAL
IMAGE 8
PROCESSOR ,/
MEMORY
4 ’ CONTROLLER MEMORY
CCO 9
CAMERA /
HEAD VOLTAGE g’ VDD
" ‘’ CONTROLLER
1O
HEAD DATA
’ DETECTOR <_ R"
PAPER-FEED
/ STAGE
11
-—> PAPER-FEED/
STAGE / PRINTING HEAD
CONTROLLER 12

U.S. Patent 6,116,714
Sep. 12, 2000 Sheet 3 0f 27
3
MAKE CONTACT WITH a, s2
PRINTING HEAD
MEAsuRE HEAD RANK IV s4
S6
PRINT TEST PATTERN P“
IMAGE
RECOGNITION
(PROCESSING)?
S10
PERFORM DENSITY
CORRECTION (PROCESSING)
S12
/
WRITE DATA IN MEMORY 13
U.S. Patent Sep. 12,2000 Sheet 4 0f 27 6,116,714
U.S. Patent Sep. 12,2000 Sheet 5 0f 27 6,116,714
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U.S. Patent Sep. 12,2000 Sheet 6 0f 27 6,116,714
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U.S. Patent Sep. 12,2000 Sheet 8 0f 27 6,116,714
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