公开(公告)号：JP2005125669A

公开(公告)日：2005-05-19

申请号：JP2003364941

申请日：2003-10-24

Applicant: Sony Corp ,  ソニー株式会社

Inventor： ANDO MASATO ,  MIYAZAKI AKIHITO ,  NISHI SHOTA ,  NAMEKAWA TAKUMI ,  HIRASHIMA SHIGEYOSHI ,  NAKAMURA MASATO

IPC: B41J2/175

Abstract: PROBLEM TO BE SOLVED: To prevent air from being entrained through a liquid ejection nozzle by reducing liquid suction pressure in a liquid circulation conduit when liquid is circulated between a liquid ejection head and a liquid tank by generating a negative pressure in the liquid ejection head.
SOLUTION: Ink 8 being fed from a plurality of ink ejection nozzles 27 formed in the nozzle surface 10 to a liquid chamber 9 in a print head 2 for ejecting ink is stored in an ink tank 3. Ink 8 is fed from the ink tank 3 through an ink supply conduit 4 to the print head 2 thence returned from the print head 2 through an ink circulation conduit 5 back to the ink tank 3. A negative pressure is generated in the print head 2 by driving a liquid feed pump 6 arranged on the ink circulation conduit 5 and ink is circulated between the print head 2 and the ink tank 3. Ink suction pressure in the ink circulation conduit 5 is reduced at a pressure regulating section 26 arranged on the ink circulation conduit 5 between the liquid feed pump 6 and the print head 2.
COPYRIGHT: (C)2005,JPO&NCIPI

Abstract translation: 要解决的问题：为了通过在液体在液体喷射头和液体罐之间循环而在液体中产生负压而减小液体循环管道中的液体吸入压力来防止空气通过液体喷射嘴夹带， 喷头 解决方案：将从喷嘴表面10中形成的多个喷墨喷嘴27供给到用于喷射墨水的打印头2中的液体室9的墨8被储存在墨盒3中。墨水8从 墨水盒3通过墨水供应导管4到打印头2从打印头2通过墨循环导管5返回到墨盒3.通过驱动液体供给泵在打印头2中产生负压 布置在墨水循环导管5上，并且墨水在打印头2和墨水盒3之间循环。墨水循环导管5中的墨水吸入压力在设置在墨水循环导管5上的压力调节部分26之间在液体 进料泵6和打印头2.版权所有（C）2005，JPO＆NCIPI

公开(公告)号：JP2004216598A

公开(公告)日：2004-08-05

申请号：JP2003003737

申请日：2003-01-09

Applicant: Sony Corp ,  ソニー株式会社

Inventor： NAMEKAWA TAKUMI ,  NAKAMURA MASATO ,  NISHI SHOTA

IPC: B41J2/175

Abstract: PROBLEM TO BE SOLVED: To appropriately remove gas stored in a channel by a simple arrangement, and to carry out appropriate handling of a waste liquid. SOLUTION: There are set a head part 22 which includes a nozzle face 40 where a plurality of nozzles 40a for discharging a liquid (i) are formed and arranged in a width direction, a supply port 41 positioned upper than the nozzle face 40 to supply the liquid (i), the channel 42 for guiding the liquid (i) supplied from the supply port 41 to each nozzle 40a, and a degassing port 51 for removing the gas stored in the channel 42; a liquid supply part 21 for supplying the liquid (i) to the supply port 41 of the head part 22; a liquid suction part 151 for sucking the liquid (i) including the gas from the degassing port 51 of the head part 22; and a waste liquid storing part 152 for storing the liquid (i) sucked by the liquid suction part 151. COPYRIGHT: (C)2004,JPO&NCIPI

公开(公告)号：JP2001260464A

公开(公告)日：2001-09-25

申请号：JP2000077815

申请日：2000-03-15

Applicant: SONY CORP

Inventor： NAMEKAWA TAKUMI

IPC: B41J11/00 ,  B41J25/304 ,  B41J25/34

Abstract: PROBLEM TO BE SOLVED: To provide a printer capable of being reduced in size by a simple structure, minimizing a margin for the printing to an object and improving the image quality. SOLUTION: This printer 10 comprises a head section 52 for performing the printing of image on the object P, a feeding section 30 for feeding the object and a driving means 40 for driving the feeding section. The head section 52 is provided to the head moving means 51.

公开(公告)号：JP2000272138A

公开(公告)日：2000-10-03

申请号：JP7989399

申请日：1999-03-24

Applicant: SONY CORP

Inventor： NAMEKAWA TAKUMI

IPC: B41J2/165 ,  B41J23/02

Abstract: PROBLEM TO BE SOLVED: To provide a maintenance device for printer, and a printer having it, in which maintenance of the nozzles in a printer head can be performed through a simple arrangement utilizing the drive source for the sheet feed mechanism of a printer and the contact pressure or the fitting position of a cap member can be adjusted with respect to the nozzle. SOLUTION: The maintenance device for printer comprises a cap member 31 being fitted to a nozzle 23 provided in the printer head 20 of a printer, a valve 32 for opening the cap member to the atmosphere, a member 33 for wiping off the nozzle face of the nozzle, and a section 34 for driving the cap member, the atmosphere open valve and the wiper member wherein the drive section is driven through the drive means for the sheet feed section of the printer.

公开(公告)号：JPH09185265A

公开(公告)日：1997-07-15

申请号：JP35200395

申请日：1995-12-27

Applicant: SONY CORP

Inventor： HORII SHINICHI ,  TOKUNAGA HIROSHI ,  NAMEKAWA TAKUMI

IPC: G03G9/12 ,  G03G15/10

Abstract: PROBLEM TO BE SOLVED: To increase the developing speed, to eliminate the need for squeezing work and to make high-speed developing compatible with developing where the halftone density is uniform. SOLUTION: This device is provided with a developer housing part 55 housing liquid developer 1 obtained by dispersing charge toner grains 5A consisting of at least coloring agent and resin in electric insulating liquid, a supply roller 54 uniformly attaching the developer 1 to the surface of a developing roller 51 from the housing part 55 and an electric field impressing roller 53 forming a liquid toner layer 6 in which the grains 5B are aggregated by impressing an electric field on the developer 1 attached to the surface of the roller 51. The roller 51 is provided with an electrical conductive elastic layer. Then, the developing action is executed by making the roller 51 holding the layer 6 in which the grains 5B are aggregated press-contact with a drum-like photoreceptor 7 on which an electrostatic latent image is formed.

公开(公告)号：JPH05177914A

公开(公告)日：1993-07-20

申请号：JP35818391

申请日：1991-12-27

Applicant: SONY CORP

Inventor： MURATA KAZUNORI ,  NAMEKAWA TAKUMI

IPC: B41J17/32 ,  B41J29/17 ,  B41J32/00 ,  B41J35/00

Abstract: PURPOSE:To enhance printing accuracy and elongate the service life of a thermal head by a method wherein a supporting member, to the basic end side of which a supporting part is provided and to the following end side of which a cleaning pad for cleaning the surface of ink ribbon is arranged, is provided. CONSTITUTION:A pad mounting plate 10, on which a cleaning pad 2 is installed, is arranged to one edge side of the outer periphery of the thermal head inserting port 119 of the ink ribbon cartridge casing 9a. Thus, simultaneously with the inserting movement of a thermal head 3 in the ink ribbon cartridge casing 9a, the cleaning pad 2 is turned about the supporting part 10a of the pad mounting plate 10 so as to be displaced in the ink ribbon cartridge 9a, resulting in realizing the constitution in order to clean ink ribbon 5 just before its contact with the thermal head 3. As a result, the ink ribbon 5 is brought into contact with the thermal head 3 under the condition that the dust and the like adhered to the surface of the ribbon is removed. Accordingly, the enhancement of printing accuracy and the longer service life of the thermal head 3 result.

公开(公告)号：JPH04353468A

公开(公告)日：1992-12-08

申请号：JP12914991

申请日：1991-05-31

Applicant: SONY CORP

Inventor： NAMEKAWA TAKUMI ,  KAMODA HITOSHI

IPC: B41J2/32 ,  B41J25/304

Abstract: PURPOSE:To shorten the operation time from the feed of paper to a platen roller to the pressure contact of a head. CONSTITUTION:In a printer equipped with a paper feed mechanism 17 supplying printing paper to a platen roller 11 and a head driving mechanism 15 moving a head 16 toward the platen roller 11 to press the printing paper 4 and an ink ribbon 2 to the platen roller 11 by the head 16, the feed of the printing paper 4 to the platen roller 11 by the paper feed mechanism 17 and the feed of the head 16 by the head driving mechanism 15 are performed in parallel.

公开(公告)号：JP2007190919A

公开(公告)日：2007-08-02

申请号：JP2007032722

申请日：2007-02-13

Applicant: Sony Corp ,  ソニー株式会社

Inventor： EGUCHI TAKEO ,  TAKENAKA KAZUYASU ,  NAMEKAWA TAKUMI

IPC: B41J2/175 ,  G01F23/26 ,  G01N27/02 ,  G01V3/02 ,  G01V3/06

Abstract: PROBLEM TO BE SOLVED: To prevent a change in liquid properties by preventing electrolysis of the liquid. SOLUTION: The device comprises a liquid detection circuit 20 and a judgement means 31. The liquid detection circuit 20 comprises an electrode part 26 (26a-26e), impedance 22 and an alternating current signal source 21. The electrode part 26 is disposed so as to contact a liquid inside the containers T1 and T2. The liquid detection circuit 20 outputs a signal indicating an energizing state of the electrode part 26 by inputting an alternating current signal which does not contain direct current components by way of the impedance 22 from the AC signal source 21 and a binary signal to indicate whether the electrode part 26 is energized or not, based on the output signal. The judgment means 31 determines as to the presence or absence of the liquid in the electrode part 26 from the binary signal output from the liquid detection circuit 20. The frequency of the alternating current signal is a frequency which produces an impedance at least three orders smaller than the impedance in the case where an alternating current signal at 100 Hz is input to the electrode part. COPYRIGHT: (C)2007,JPO&INPIT

Abstract translation: 要解决的问题：通过防止液体的电解来防止液体性质的变化。 液体检测电路20包括电极部分26（26a-26e），阻抗22和交流信号源21.电极部分26是 设置成与容器T1和T2内的液体接触。 液体检测电路20通过从AC信号源21输入通过阻抗22不包含直流分量的交流信号和二进制信号来输出表示电极部26的通电状态的信号， 电极部分26基于输出信号而被激励。 判断装置31根据从液体检测电路20输出的二进制信号确定电极部分26中的液体的存在或不存在。交流信号的频率是产生至少三个数量级的阻抗的频率 比在100Hz的交流信号输入到电极部分的情况下的阻抗。 版权所有（C）2007，JPO＆INPIT

公开(公告)号：JP2007160849A

公开(公告)日：2007-06-28

申请号：JP2005363333

申请日：2005-12-16

Applicant: Sony Corp ,  ソニー株式会社

Inventor： NAMEKAWA TAKUMI ,  NISHI SHOTA ,  NAKAMURA MASATO

IPC: B41J2/175

Abstract: PROBLEM TO BE SOLVED: To reduce waste of resources at the time of disposal by simplifying the structure of a refilling liquid tank thereby reducing the cost.
SOLUTION: The liquid supply device comprises an ink tank 1, a refilling ink tank 2 for storing refilling ink 9, a placing means 3 for elevating/lowering the refilling ink tank 2 while mounting on a mount 11 replaceably, a means 4 for detecting the residual quantity of ink 7 in the ink tank 1, and a control means for elevating/lowering the refilling ink tank 2 by driving the placing means 3 based on a detection output from the residual quantity of ink detection means 4, supplying the refilling ink 9 from the refilling ink tank 2 to the ink tank 1 by utilizing the head difference of ink generated between the refilling ink tank 2 and the ink tank 1, and judging that the refilling ink 9 in the refilling ink tank 2 has run out when the mount 11 of the placing means 3 is located at the uppermost position and the detected residual quantity of ink in the ink tank 1 is below a predetermined reference level.
COPYRIGHT: (C)2007,JPO&INPIT

Abstract translation: 要解决的问题：通过简化再填充液体罐的结构来减少处理时的资源浪费，从而降低成本。 解决方案：液体供应装置包括墨水罐1，用于储存再填充墨水的再填充墨水罐2，用于升高/降低重新填充墨水罐2同时安装在安装件11上的放置装置3，装置4 用于检测墨水罐1中的墨水7的剩余量;以及控制装置，用于通过基于墨水检测装置4的剩余量的检测输出驱动放置装置3来升高/降低补充墨水罐2， 通过利用在再填充墨水罐2和墨水罐1之间产生的墨水的头部差异，将墨水9从再填充墨水罐2重新填充到墨水盒1，并且判断再填充墨水盒2中的补充墨水9已经用尽 当放置装置3的安装件11位于最上位置并且检测到的墨水罐1中的墨水剩余量低于预定的基准电平时。 版权所有（C）2007，JPO＆INPIT

公开(公告)号：JP2007083677A

公开(公告)日：2007-04-05

申请号：JP2005278496

申请日：2005-09-26

Applicant: Sony Corp ,  ソニー株式会社

Inventor： NAMEKAWA TAKUMI ,  IGA DAIKI

IPC: B41J2/175

Abstract: PROBLEM TO BE SOLVED: To attain miniaturization and cost reduction by a simple structure, and to prevent liquid leakage from occurring. SOLUTION: An ink pack 67 has a shape nearly like a spindle as a whole. A center part expands by sealing an ink liquid inside. A thickness is gradually decreased towards a heat seal part 91 along the periphery. The ink pack 67 loaded in a cartridge case 65 which has an inner face of a pack loading space formed into a curved face with a curvature almost equal to that of the outer peripheral face of the nearly spindle-shaped ink pack 67, has its outer peripheral face pressed approximately all over by an inner peripheral face of the pack loading space. COPYRIGHT: (C)2007,JPO&INPIT

Abstract translation: 要解决的问题：通过简单的结构实现小型化和成本降低，并且防止发生液体泄漏。 墨盒67的整体形状与主轴几乎相同。 中心部分通过密封墨水内部而膨胀。 沿着周边朝向热封部91逐渐减小厚度。 装在盒壳65中的墨盒67具有形成为几乎与几乎心轴形墨盒67的外周面的曲率几乎相等的弯曲面的包装装载空间的内表面的外壳 外围表面几乎全部按压在包装装载空间的内周面上。 版权所有（C）2007，JPO＆INPIT