公开(公告)号：JPH0740543A

公开(公告)日：1995-02-10

申请号：JP19007093

申请日：1993-07-30

Applicant: CANON KK

Inventor： ISHII YASUYUKI ,  MORITA MASANORI ,  OZAWA MASAKAZU ,  NOAKI HIROAKI ,  HIRAKUE TOSHIMITSU ,  MOTAI HIDEKAZU ,  KURITA KENJI

IPC: B41J2/175

Abstract: PURPOSE:To provide an ink jet head cartridge which is capable of freely selecting between inks with different properties or different colors and discharging the selected ink, and refilling ink, if it is depleted, and is easily used and long-lived. CONSTITUTION:This ink jet head cartridge has ink tanks 4A to 4C and a recording head part 3, and atmospheric connection orifices 5A to 5C and air valves 6A to 6C for freely closing these orifices. Thus it is possible to selectively supply ink to the recording head part 3 and replenish ink to the individual ink tanks through the air valves 6A to 6C and the atmospheric connection orifices 5A to 5C.

公开(公告)号：JPH06329282A

公开(公告)日：1994-11-29

申请号：JP11607393

申请日：1993-05-18

Applicant: CANON KK

Inventor： ISHII YASUYUKI ,  OZAWA MASAKAZU ,  MOTAI HIDEKAZU ,  MORITA MASANORI ,  HIRAKUE TOSHIMITSU ,  KURITA KENJI ,  NOAKI HIROAKI ,  YOSHIMURA SHIGERU

IPC: B65H3/06 ,  B41J13/02 ,  B65H5/06 ,  B65H29/20

Abstract: PURPOSE:To provide a roller which makes contact pressure to a sheet uniform while preventing the sheet from being fed obliquely by forming a space between an outer circumferential wall forming an outer circumferential surface in contact with the sheet and a rotating shaft, and concurrently providing a support member which supports the outer circumferential wall in a state that the outer circumferential wall is deformed in such a way as to be swollen outword in the radial direction. CONSTITUTION:Fitting a roller rubber 11 in a hold body 12 permits the roller rubber to be increased in diameter with the outer circumferential section of the roller rubber 11 swollen roughly at its center section, so that its cross section is formed into a crest shape. The inside 13 of the roller rubber 11 is hollow, and its side sections 15 are made thicker than an outer circumferential section 14 to prevent its deformation, so that the roller rubber is conditioned to be formed into a crest shape with ease. In a state that a sheet is being fed, the swollen section of the pick-up roller is pressed on the sheet so as to be deformed, so that it becomes flat. Deformation as mentioned above permits the sheet to be in contact with the pick-up roller in plane, so that contact pressure is uniformly distributed in the whole of the contact surface. Therefore, the sheet can thereby be stably separated.

公开(公告)号：JPH0643223B2

公开(公告)日：1994-06-08

申请号：JP10150984

申请日：1984-05-19

Applicant: CANON KK

Inventor： OZAWA MASAKAZU ,  OZAWA KUNITAKA ,  HATANAKA KATSUNORI ,  SUZUKI TETSUO ,  MORI TETSUZO ,  SHIINA TADASHI ,  EBINUMA RYUICHI

IPC: B65H19/12 ,  B41J15/00 ,  B41J15/04 ,  B41J29/02 ,  B65H5/06 ,  B65H19/10 ,  B65H20/02

公开(公告)号：JPH06135097A

公开(公告)日：1994-05-17

申请号：JP28757592

申请日：1992-10-26

Applicant: CANON KK

Inventor： ISHII YASUYUKI ,  MORITA MASANORI ,  MOTAI HIDEKAZU ,  OZAWA MASAKAZU ,  HIRAKUE TOSHIMITSU

IPC: B41J2/01 ,  B41J29/16

Abstract: PURPOSE:To more enhance the superiority in the feed properties of a personal use recording device and to provide the function as a keeping box in the use of a monochromatic color cartridge. CONSTITUTION:The lid 3 of a preparatory ink cartridge housing part is opened in the direction shown by an arrow A and the lid 4 of a housing part of parts necessary for a recording device is opened in the direction shown by a arrow B to house a preparatory ink cartridge main body having an orange cap mounted thereon and the parts necessary for the recording device in the respect housing parts.

公开(公告)号：JPS62231756A

公开(公告)日：1987-10-12

申请号：JP31239986

申请日：1986-12-29

Applicant: CANON KK

Inventor： SHIINA TADASHI ,  SUZUKI TETSUO ,  MORI TETSUZO ,  OZAWA KUNITAKA ,  HATANAKA KATSUNORI ,  OZAWA MASAKAZU

IPC: B41J2/525 ,  B41J5/30 ,  B41J25/304 ,  G06K15/10

Abstract: PURPOSE:To provide a regulating method capable of easily adjusting the vertical shear among head units, by a method wherein the read address of a data memory is read by shifting it by what corresponds to the mechanical vertical shear of head units. CONSTITUTION:The data sent from a host computer 10 is classified into respective data of yellow, magenta, cyan, and black and converted to be transmitted to data memories 12A, 12B, 12C, and 12D corresponding thereto by means of a changeover device 11. The data put in respective data memories 12A-12D are sent to head units 1A-1D corresponding thereto. Respective head units are driven on the basis thereof and the recording is carried out. When respective color data stored in the data memories 12A-12D are sent to the head units 1A-1D, the vertical shear among respective head units 1A-1D is corrected by controlling the data read start address of a vertically sheared head unit memory and the vertical register is regulated thereby.

公开(公告)号：JPS62156959A

公开(公告)日：1987-07-11

申请号：JP29755285

申请日：1985-12-28

Applicant: CANON KK

Inventor： SHIINA TADASHI ,  SUZUKI TETSUO ,  MORI TETSUZO ,  OZAWA KUNITAKA ,  HATANAKA KATSUNORI ,  OZAWA MASAKAZU

IPC: G06K15/00 ,  B41J2/525 ,  B41J25/304 ,  G06K15/10

Abstract: PURPOSE:To easily regulate the bias of alignment of the head elements of each head unit by a method in which the reading address of data memory in a printer is read out by biasing it correspondingly to the mechanical bias of alignment. CONSTITUTION:In case where there is an alignment bias (delta) for two dots upwardly in relation to the reference position SU of the upper row for head element 3 in the head unit 1b of magenta, data to be sent to head element 3 with alignment bias (delta) among data to be sent are sent from a position LU biased for two dots from the reading reference position SU of the upper row to the earier orders of data writing in order to regulate the bias (delta). By controlling the reading address of data memories 12A-12B according to the direction and magnitude of alignment bias of the head element 3, the alignment bias of each head element 3 in the head units 1A-1D can be easily and exactly regulated.

公开(公告)号：JPS6256693A

公开(公告)日：1987-03-12

申请号：JP19386185

申请日：1985-09-04

Applicant: CANON KK

Inventor： HITOTSUBASHI HIROO ,  OZAWA MASAKAZU ,  EBINUMA RYUICHI ,  SAITO ATSUSHI

IPC: F16L27/00 ,  B41J2/175 ,  F16L37/00 ,  F16L37/50

公开(公告)号：JPS6228597A

公开(公告)日：1987-02-06

申请号：JP16581485

申请日：1985-07-29

Applicant: CANON KK

Inventor： HITOTSUBASHI HIROO ,  OZAWA MASAKAZU ,  EBINA RYUICHI ,  SAITO ATSUSHI

IPC: F16L55/02

公开(公告)号：JPS61242850A

公开(公告)日：1986-10-29

申请号：JP8461485

申请日：1985-04-22

Applicant: CANON KK

Inventor： MORI TETSUZO ,  SHIINA TADASHI ,  EBINUMA RYUICHI ,  OZAWA MASAKAZU ,  OZAWA KUNITAKA ,  HATANAKA KATSUNORI

IPC: B41J2/05 ,  B41J2/07 ,  B41J2/12

Abstract: PURPOSE:To obtain a stable high-quality recorded image by supplying a discharge energy which is properly adjusted by an adjustment means to a recording head using an energy supply means, based on temperature information detected by a temperature detection means. CONSTITUTION:The temperature of a recording head 9 is detected by a temperature sensor 8, and its temperature information is read by a control 6 to perform arithmetic operation. Based on this operational result, an output voltage is determined as a voltage-variable power supply 5. In addition, the control 6 transmits a recording signal to a drive circuit 7, and the drive circuit 7 drives a recording head 9 according to the recording signal, using an output from the voltage-variable power supply 5. Consequently, if the temperature of the recording head increased significantly, a recorded image free from any satellite or ink mist can be obtained. Further, if a total calorific value were increased by the mounting of recording elements densely mounted on a large scale, satisfactory recording performance is assured.

公开(公告)号：JPS61197247A

公开(公告)日：1986-09-01

申请号：JP3944285

申请日：1985-02-28

Applicant: CANON KK

Inventor： SHIINA TADASHI ,  SUZUKI TETSUO ,  MORI TETSUZO ,  OZAWA KUNITAKA ,  HATANAKA KATSUNORI ,  OZAWA MASAKAZU

IPC: B41J2/045 ,  B41J2/015 ,  B41J2/05 ,  B41J2/055 ,  B41J2/07 ,  B41J25/34

Abstract: PURPOSE:To enable a driving voltage to be automatically set when changing an unit to save trouble for adjustment and to keep the optimum ink discharge condition, by providing a voltage setting part in a printing head unit to automatically set driving voltage at the time of unit replacement. CONSTITUTION:An unit 2 comprises a baseplate 6 provided with head elements 5, an electric circuit such as a head driving circuit, an ink supply system, and in the rear thereof an interface part 8 having a connecter 7. A voltage setting part 9, provided in the interface part 8, sets the driving voltage VH intrinsic to the unit 2 and is so constructed as to electrically connected to a controller in the device through the connecter 7 to be controlled thereby. Accordingly, when replacing the unit, the head driving voltage can be automatically controlled to be intrinsically optimum value without special adjustment operation, resulting in improving management of the recording device and maintaining the optimum ink discharge condition. As the result, improvement of the printing quality can be realized.