WO2007056906A1 - An ink cartridge - Google Patents
An ink cartridge Download PDFInfo
- Publication number
- WO2007056906A1 WO2007056906A1 PCT/CN2006/000437 CN2006000437W WO2007056906A1 WO 2007056906 A1 WO2007056906 A1 WO 2007056906A1 CN 2006000437 W CN2006000437 W CN 2006000437W WO 2007056906 A1 WO2007056906 A1 WO 2007056906A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ink
- chamber
- negative pressure
- accommodating chamber
- pressure generating
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
- B41J2/17503—Ink cartridges
- B41J2/17513—Inner structure
Definitions
- the present invention relates to an ink jet printer cartridge.
- the ink cartridge is composed of an ink storage chamber and a fiber sponge cavity.
- the fiber sponge cavity has a fiber sponge and a cotton core, and the fiber sponge cavity has a bottom.
- the ink outlet port has a prism on the bottom wall of the ink storage chamber, wherein the volume of the fiber sponge cavity is larger than the volume of the ink storage cavity, and the ink inventory of the entire ink cartridge is not large.
- the printer sends a warning of the amount of ink to the prism on the bottom wall of the ink storage chamber, and then uses a part of the ink of the fiber sponge in the fiber sponge cavity, and the printer prompts the ink. Do it. Due to the large volume of the fiber sponge cavity, the ink amount of the ink cartridge is not large, and the user's use cost is high.
- An object of the present invention is to provide an ink jet printer cartridge which is low in cost, stable in operation, detectable ink remaining amount, and excellent in safety protection performance.
- An ink jet printer cartridge having an ink accommodating chamber and a negative pressure generating member accommodating chamber, wherein a bottom portion of the negative pressure generating member accommodating chamber is an ink outlet port, and the ink accommodating chamber communicates with the negative pressure generating member accommodating chamber, which is special in that :
- the ink accommodating chamber has an optical member inside, and the entire outer surface of the optical member is inside the ink accommodating chamber.
- An air inlet hole is opened above the ink ice receiving chamber.
- the ink accommodating chamber is in communication with the negative pressure generating member accommodating chamber described above by a communication tube or a communication groove.
- the bottom pipe of the communication pipe or the communication groove is disposed at the bottom of the ink receiving cavity, and after the high end is bent, the outlet thereof leads to the negative pressure generating component receiving cavity.
- the negative pressure generating member accommodating chamber has only a small fiber sponge, and the volume of the ink accommodating chamber is larger than the volume of the negative pressure generating member accommodating chamber.
- the optical component is a separate component that is assembled with the ink containment chamber by assembly.
- the optical member is a prism which is inside the ink containing chamber and has a length of 1 to 4 mm from the bottom of the ink containing chamber.
- the optical member is restrained by a support or bracket disposed on the bottom or side wall of the ink containing chamber so as to maintain a distance of 1 to 4 mm from the bottom of the ink containing chamber.
- the negative pressure generating component accommodating chamber has only a small fiber sponge, and the volume of the ink accommodating cavity is larger than the volume of the negative pressure generating component accommodating cavity, the effective volume of the ink of the ink cartridge is greatly increased, thereby increasing the effective ink capacity of the ink cartridge and reducing the ink cartridge.
- the optical component used has the function of reflecting light incident from the outside to the outside when there is a small amount of ink in the ink containing chamber.
- the optical component is a separate article assembled by an assembly with an ink receiving cavity, the optical component being a prism, the optical component being inside the ink receiving cavity, 1 to 4 mm from the bottom of the ink receiving cavity, when the ink receiving cavity
- the printer issues a warning that the amount of ink is low. After the ink in the ink containing chamber is used, the printer indicates that the ink is used up.
- the optical member is kept at a distance of 1 to 4 mm from the bottom of the ink receiving chamber, so that a safe space for holding a small amount of ink is reserved at the bottom of the ink receiving chamber, and the negative pressure generating member is utilized.
- the residual ink can be sucked out through the connecting portion, and at the same time, the fork helps protect the printer from dry burning.
- FIG. 1 is a schematic structural view of a conventional ink cartridge.
- Figure 2 is a schematic view showing the structure of the present invention.
- an ink jet printer cartridge having an ink containing chamber 1 and a negative pressure generating member housing chamber 2, and a bottom portion of the negative pressure generating member housing chamber 2 is an ink outlet port 3, and an ink containing chamber 1
- the negative pressure generating member accommodating chamber 1 is in communication with the ink accommodating chamber 1 and has an optical member 6 inside.
- the entire outer surface of the optical member 6 is inside the ink accommodating chamber 1, and the optical member has the following functions, and the ink accommodating chamber 1 is provided.
- the pressure generating member accommodating chamber 1 is communicated through a communication tube or a communication groove 5, and the bottom suction port of the communication tube or the communication groove is disposed at the bottom of the ink accommodating chamber, and after the high end thereof is bent, the outlet thereof leads to the negative pressure generating member accommodating chamber 2.
- An intake hole 7 is formed in the ink accommodating chamber 1 side.
- the optical component 6 is a separate article assembled with the ink receiving cavity 1 by means of an assembly.
- the optical component 6 is a prism.
- the optical component 6 is inside the ink receiving cavity 1 and has a length of 4 to 4 mm from the bottom of the ink receiving cavity.
- the printer issues a warning that the amount of ink is small, and after the ink of the ink containing chamber is used, the printer prompts that the ink is used up.
- the optical member is constrained by a support or bracket 8 disposed on the bottom or side wall of the ink containing chamber to maintain a distance of i rnm from the bottom of the ink containing chamber. Since the volume of the ink accommodating chamber 1 is larger than the volume of the negative pressure generating member accommodating chamber, the ink stock of the ink cartridge is greatly increased, and the use cost of the ink cartridge is lowered.
Landscapes
- Ink Jet (AREA)
Abstract
An ink cartridge used in an inkjet printer includes an ink storage chamber and a negative pressure generation member accommodation chamber which are communicated with each other. On the bottom of said negative pressure generation member accommodation chamber is formed an ink discharge port. The special is that an optical member is arranged inside the ink storage chamber and all of its outer surface is in the interior of the ink storage chamber. Said ink storage chamber and said negative pressure generation member accommodation chamber is connected via a communicating pipe or groove which comprises a lower intake on the bottom of the ink storage chamber, and a discharge port opened to the negative pressure generation member accommodation chamber through bending in the higher. The volume of the ink storage chamber is larger than that of said negative pressure generation member accommodation chamber inside which is disposed a small strip of a fibrous sponge. The optical member is a separate member and can be assembled to the ink storage chamber. Said optical member is a prism disposed inside the ink storage chamber. The distance between the prism and the bottom of the ink storage chamber is 1-4mm. The position of said optical member is determined by the support or bracket disposed on the bottom or side wall of the ink storage chamber.
Description
一种喷墨打印机墨盒 技术领域 Inkjet printer cartridge
本发明涉及的是一种喷墨打印机墨盒。 The present invention relates to an ink jet printer cartridge.
背景技术 Background technique
现在市场上有一种喷墨打印机墨盒， 如本说明书附图部分的图 1所示， 该 墨盒由墨水储存腔和纤维海绵腔组成， 纤维海绵腔内有纤维海绵和棉芯， 纤维 海绵腔底部有出墨口， 墨水储存腔底壁有棱镜， 其中， 纤维海绵腔的容积大于 墨水储存腔的容积， 整个墨盒的墨水存量不大。当墨水储存腔内的墨水用完时， 打印机通过设置于墨水储存腔底壁上棱镜的检测， 发出墨水量少的警告， 再使 用纤维海绵腔内纤维海绵的一部分墨水后， 打印机就提示墨水用尽。 由于纤维 海绵腔容积大， 墨盒的墨水量不多， 用户的使用成本高。 There is now an inkjet printer cartridge on the market, as shown in Fig. 1 in the drawing of the specification. The ink cartridge is composed of an ink storage chamber and a fiber sponge cavity. The fiber sponge cavity has a fiber sponge and a cotton core, and the fiber sponge cavity has a bottom. The ink outlet port has a prism on the bottom wall of the ink storage chamber, wherein the volume of the fiber sponge cavity is larger than the volume of the ink storage cavity, and the ink inventory of the entire ink cartridge is not large. When the ink in the ink storage chamber is used up, the printer sends a warning of the amount of ink to the prism on the bottom wall of the ink storage chamber, and then uses a part of the ink of the fiber sponge in the fiber sponge cavity, and the printer prompts the ink. Do it. Due to the large volume of the fiber sponge cavity, the ink amount of the ink cartridge is not large, and the user's use cost is high.
本发明内容 The content of the present invention
本发明的目的是提供一种成本低、 动作稳定、 可检测墨水余量、 安全保护 性能优异的喷墨打印机墨盒。 SUMMARY OF THE INVENTION An object of the present invention is to provide an ink jet printer cartridge which is low in cost, stable in operation, detectable ink remaining amount, and excellent in safety protection performance.
为了实现上述目的， 本发明采用的技术方案是： In order to achieve the above object, the technical solution adopted by the present invention is:
一种喷墨打印机墨盒， 具有墨水容纳腔和负压发生部件容纳腔， 负压发生 部件容纳腔底部是出墨口， 墨水容纳腔与上述的负压发生部件容纳腔连通， 其 特殊之处在于： 墨水容纳腔内部有光学部件， 该光学部件全部外表面处于墨水 容纳腔内部。 An ink jet printer cartridge having an ink accommodating chamber and a negative pressure generating member accommodating chamber, wherein a bottom portion of the negative pressure generating member accommodating chamber is an ink outlet port, and the ink accommodating chamber communicates with the negative pressure generating member accommodating chamber, which is special in that : The ink accommodating chamber has an optical member inside, and the entire outer surface of the optical member is inside the ink accommodating chamber.
在所述墨氷容纳腔上方开设有进气孔。 An air inlet hole is opened above the ink ice receiving chamber.
所述墨水容纳腔与上述的负压发生部件容纳腔采用连通管或连通槽连通。 所述连通管或连通槽底部吸口设置于墨水容纳腔底部， 其高端经弯折后， 其出口通向负压发生部件容纳腔。 The ink accommodating chamber is in communication with the negative pressure generating member accommodating chamber described above by a communication tube or a communication groove. The bottom pipe of the communication pipe or the communication groove is disposed at the bottom of the ink receiving cavity, and after the high end is bent, the outlet thereof leads to the negative pressure generating component receiving cavity.
所述负压发生部件容纳腔内只有一小条纤维海绵， 墨水容纳腔的容积大于 负压发生部件容纳腔的容积。 The negative pressure generating member accommodating chamber has only a small fiber sponge, and the volume of the ink accommodating chamber is larger than the volume of the negative pressure generating member accommodating chamber.
所述光学部件是个独立制件， 通过装配方式与墨水容纳腔组装在一起。
所述光学部件是个棱镜， 该光学部件在墨水容纳腔的内部， 距离墨水容纳 腔的底部有 l〜4mm。 The optical component is a separate component that is assembled with the ink containment chamber by assembly. The optical member is a prism which is inside the ink containing chamber and has a length of 1 to 4 mm from the bottom of the ink containing chamber.
所述光学部件由设置于墨水容纳腔底部或侧壁上的支撑体或托架限位， 使 其与墨水容纳腔的底部保持 l〜4mm的间距。 The optical member is restrained by a support or bracket disposed on the bottom or side wall of the ink containing chamber so as to maintain a distance of 1 to 4 mm from the bottom of the ink containing chamber.
由于负压发生部件容纳腔内只有一小条纤维海绵， 墨水容纳腔的容积大于 负压发生部件容纳腔的容积， 墨盒的墨水有效容积大大增加， 这样提高了墨盒 的有效墨水容量， 降低了墨盒的使用成本， 采用的光学部件有以下功能， 当墨 水容纳腔内还有一小部分墨水时， 把从外部入射的光反射到外部。 所述光学部 件是个独立制品， 通过装配方式与墨水容纳腔组装在一起， 该光学部件是个棱 镜，该光学部件在墨水容纳腔的内部，距离墨水容納腔的底部有 l〜4mm， 当墨 水容纳腔内的墨水到达该光学部件的下面时， 打印机发出墨水量少的警告， 再 使用完墨水容纳腔的墨水后， 打印机就提示墨水用尽。 Since the negative pressure generating component accommodating chamber has only a small fiber sponge, and the volume of the ink accommodating cavity is larger than the volume of the negative pressure generating component accommodating cavity, the effective volume of the ink of the ink cartridge is greatly increased, thereby increasing the effective ink capacity of the ink cartridge and reducing the ink cartridge. The cost of use, the optical component used has the function of reflecting light incident from the outside to the outside when there is a small amount of ink in the ink containing chamber. The optical component is a separate article assembled by an assembly with an ink receiving cavity, the optical component being a prism, the optical component being inside the ink receiving cavity, 1 to 4 mm from the bottom of the ink receiving cavity, when the ink receiving cavity When the ink inside reaches the bottom of the optical component, the printer issues a warning that the amount of ink is low. After the ink in the ink containing chamber is used, the printer indicates that the ink is used up.
同时， 由于支撑体或托架的设置， 使所述光学部件与墨水容纳腔底部保持 l〜4mm的间距，从而在墨水容纳腔底部预留了可保持微量墨水的安全空间，利 用负压发生部件在使用中的微负压， 即可通过连通部吸出残余墨水， 同时， 叉 有助于保护打印机， 避免干烧。 At the same time, due to the arrangement of the support body or the bracket, the optical member is kept at a distance of 1 to 4 mm from the bottom of the ink receiving chamber, so that a safe space for holding a small amount of ink is reserved at the bottom of the ink receiving chamber, and the negative pressure generating member is utilized. In the use of micro-negative pressure, the residual ink can be sucked out through the connecting portion, and at the same time, the fork helps protect the printer from dry burning.
附图说明 DRAWINGS
图 1是现有墨盒的结构示意图。 1 is a schematic structural view of a conventional ink cartridge.
图 2是本发明选择的一种结构示意图。 Figure 2 is a schematic view showing the structure of the present invention.
具体实施方式 detailed description
以下结合图 2说明本发明的实施方式- 一种喷墨打印机墨盒，具有墨水容纳腔 1和负压发生部件容纳腔 2，负压发 生部件容纳腔 2底部是出墨口 3，墨水容纳腔 1与上述的负压发生部件容纳腔 1 连通，墨水容纳腔 1内部有光学部件 6,该光学部件 6全部外表面在墨水容纳腔 1内部， 并且该光学部件有以下功能， 当墨水容纳腔 1内还有一小部分墨水时， 把从外部入射的光反射到外部。 负压发生部件容纳腔内只有一小条纤维海绵 4， 墨水容纳腔的容积大于负压发生部件容纳腔的容积， 墨水容纳腔 1与上述的负
压发生部件容纳腔 1通过连通管或连通槽 5连通， 所述连通管或连通槽底部吸 口设置于墨水容纳腔底部,其高端经弯折后,其出口通向负压发生部件容纳腔 2。 在所述墨水容纳腔 1方上开设有进气孔 7。 An embodiment of the present invention will be described below with reference to FIG. 2 - an ink jet printer cartridge having an ink containing chamber 1 and a negative pressure generating member housing chamber 2, and a bottom portion of the negative pressure generating member housing chamber 2 is an ink outlet port 3, and an ink containing chamber 1 The negative pressure generating member accommodating chamber 1 is in communication with the ink accommodating chamber 1 and has an optical member 6 inside. The entire outer surface of the optical member 6 is inside the ink accommodating chamber 1, and the optical member has the following functions, and the ink accommodating chamber 1 is provided. When there is a small amount of ink, the light incident from the outside is reflected to the outside. There is only one small fiber sponge 4 in the negative pressure generating component accommodating cavity, the volume of the ink accommodating cavity is larger than the volume of the negative pressure generating component accommodating cavity, and the ink accommodating cavity 1 and the above negative The pressure generating member accommodating chamber 1 is communicated through a communication tube or a communication groove 5, and the bottom suction port of the communication tube or the communication groove is disposed at the bottom of the ink accommodating chamber, and after the high end thereof is bent, the outlet thereof leads to the negative pressure generating member accommodating chamber 2. An intake hole 7 is formed in the ink accommodating chamber 1 side.
所述光学部件 6是个独立制品，通过装配方式与墨水容纳腔 1组装在一起， 该光学部件 6是个棱镜， 该光学部件 6在墨水容纳腔 1的内部， 距离墨水容纳 腔的底部有 l〜4mm,当墨水容纳腔 1内的墨水到达该光学部件 6的下面时，打 印机发出墨水量少的警告， 再使用完墨水容纳腔的墨水后， 打印机就提示墨水 用尽。所述光学部件由设置于墨水容纳腔底部或侧壁上的支撑体或托架 8限位, 使其与墨水容纳腔的底部保持 i rnm的间距。 由于墨水容纳腔 1的容积大于 负压发生部件容纳腔 的容积， 墨盒的墨水存量大大增加， 降低了墨盒的使用 成本。
The optical component 6 is a separate article assembled with the ink receiving cavity 1 by means of an assembly. The optical component 6 is a prism. The optical component 6 is inside the ink receiving cavity 1 and has a length of 4 to 4 mm from the bottom of the ink receiving cavity. When the ink in the ink containing chamber 1 reaches below the optical member 6, the printer issues a warning that the amount of ink is small, and after the ink of the ink containing chamber is used, the printer prompts that the ink is used up. The optical member is constrained by a support or bracket 8 disposed on the bottom or side wall of the ink containing chamber to maintain a distance of i rnm from the bottom of the ink containing chamber. Since the volume of the ink accommodating chamber 1 is larger than the volume of the negative pressure generating member accommodating chamber, the ink stock of the ink cartridge is greatly increased, and the use cost of the ink cartridge is lowered.
Claims
权 利 要 求 书 、 一种喷墨打印机墨盒， 具有墨水容纳腔和负压发生部件容纳腔， 负 压发生部件容纳腔底部是出墨口，墨水容纳腔与上述的负压发生部 件容纳腔连通， 其特征在于： 墨水容纳腔内部有光学部件， 该光学 部件全部外表面处于墨水容纳腔内部。 The inkjet printer cartridge has an ink accommodating chamber and a negative pressure generating member accommodating chamber, and a bottom portion of the negative pressure generating member accommodating chamber is an ink outlet port, and the ink accommodating chamber communicates with the negative pressure generating member accommodating chamber. It is characterized in that: the ink accommodating chamber has an optical member inside, and the entire outer surface of the optical member is inside the ink accommodating chamber.
、 根据权利要求 1所述的一种喷墨打印机墨盒，其特征在于：在所述墨 水容纳腔上方开设有迸气孔。 An ink jet printer cartridge according to claim 1, wherein a helium hole is formed above the ink containing chamber.
、 根据权利要求 1或 2所述的一种喷墨打印机墨盒，其特征在于:所述 墨水容纳腔与上述的负压发生部件容纳腔采用连通管或连通槽连 通。 An ink jet printer cartridge according to claim 1 or 2, wherein said ink accommodating chamber is communicated with said negative pressure generating member accommodating chamber by a communication pipe or a communication groove.
、 根据权利要求 3所述的一种喷墨打印机墨盒，其特征在于:所述连通 管或连通槽底部吸口设置于墨水容纳腔底部， 其高端经弯折后， 其 出口通向负压发生部件容纳腔。 The ink cartridge of the inkjet printer according to claim 3, wherein the communication tube or the bottom suction port of the communication groove is disposed at the bottom of the ink receiving chamber, and after the high end is bent, the outlet thereof leads to the negative pressure generating part. Accommodating chamber.
、 根据权利要求 4所述的一种喷墨打印机墨盒，其特征在于:所述负压 发生部件容纳腔内只有一小条纤维海绵， 墨水容纳腔的容积大于负 压发生部件容纳腔的容积。 An ink jet printer cartridge according to claim 4, wherein said negative pressure generating member accommodating chamber has only a small fiber sponge, and the volume of the ink accommodating chamber is larger than the volume of the negative pressure generating member accommodating chamber.
、 根据权利要求 1或 2所述的一种喷墨打印机墨食，其特征在于 ·.所述 光学部件是个独立制件， 通过装配方式与墨水容纳腔组装在一起。 、 根据权利要求 6所述的一种喷墨打印机墨盒,其特征在于:所述光学 部件是个棱镜， 该光学部件在墨水容纳腔的内部， 距离墨水容纳腔 的底部有 l〜4mm。 An ink jet printer ink according to claim 1 or 2, wherein the optical member is a separate member assembled by assembly with the ink containing chamber. An ink jet printer cartridge according to claim 6, wherein said optical member is a prism which is inside the ink containing chamber and has a length of 1 to 4 mm from the bottom of the ink containing chamber.
、 根据权利要求 7所述的一种喷墨打印机墨盒，其特征在于:所述光学 部件由设置于墨水容纳腔底部或侧壁上的支撑体或托架限位，使其 与墨水容纳腔的底部保持 l〜4mm的间距。 An inkjet printer cartridge according to claim 7, wherein said optical member is restrained by a support or bracket disposed on a bottom or side wall of the ink containing chamber to be in contact with the ink receiving chamber. The bottom is kept at a pitch of 1 to 4 mm.
、 根据权利要求 4所述的一种喷墨打印机墨盒，其特征在于:所述光学
部件是个棱镜， 该光学部件在墨水容纳腔的内部， 距离墨水容纳腔 的底部有 l〜4mm。 An inkjet printer cartridge according to claim 4, wherein said optical The component is a prism which is inside the ink containing chamber and has a length of 1 to 4 mm from the bottom of the ink containing chamber.
根据权利要求 9所述的一种喷墨打印机墨盒，其特征在于:所述光学 部件由设置于墨水容纳腔底部或侧壁上的支撑体或托架限位，使其 与墨水容纳腔的底部保持 l〜4mm的间距。
An ink jet printer cartridge according to claim 9, wherein said optical member is restrained by a support or bracket provided on a bottom or side wall of the ink containing chamber to be brought to the bottom of the ink containing chamber Keep a distance of l~4mm.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200681343U CN2850919Y (en) | 2005-11-18 | 2005-11-18 | Ink-jet printer ink cartridge |
| CN200520068134.3 | 2005-11-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2007056906A1 true WO2007056906A1 (en) | 2007-05-24 |
Family
ID=37584884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2006/000437 WO2007056906A1 (en) | 2005-11-18 | 2006-03-21 | An ink cartridge |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN2850919Y (en) |
| WO (1) | WO2007056906A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108297553A (en) * | 2017-02-28 | 2018-07-20 | 朱郎平 | Ink-cases of printers adds method for ink |
| CN114347695A (en) * | 2021-11-01 | 2022-04-15 | 南京鸿庆文具有限公司 | Plastic tube pen refill of gel ink pen convenient for clamping metal head of gel ink pen |
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- 2005-11-18 CN CNU2005200681343U patent/CN2850919Y/en not_active Expired - Lifetime
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| US6048054A (en) * | 1996-08-29 | 2000-04-11 | Mitsubishi Pencil Kabushiki Kaisha | Ink replenishing apparatus and ink replenishing method for ink-jet printing ink cartridge |
| JP2001063085A (en) * | 1999-08-26 | 2001-03-13 | Canon Inc | Ink-jet recording device |
| CN1576017A (en) * | 2003-07-25 | 2005-02-09 | 佳能株式会社 | Liquid accommodation container |
| JP2005170026A (en) * | 2004-03-18 | 2005-06-30 | Ninestar Technology Co Ltd | Ink cartridge |
| JP2005343036A (en) * | 2004-06-03 | 2005-12-15 | Canon Inc | Ink residual quantity detection module for inkjet recording, ink tank with the ink residual quantity detection module, and inkjet recorder |
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| Publication number | Publication date |
|---|---|
| CN2850919Y (en) | 2006-12-27 |
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