JP2000334980A - Ink jet recorder and ink cartridge - Google Patents

Ink jet recorder and ink cartridge

Info

Publication number
JP2000334980A
JP2000334980A JP14753899A JP14753899A JP2000334980A JP 2000334980 A JP2000334980 A JP 2000334980A JP 14753899 A JP14753899 A JP 14753899A JP 14753899 A JP14753899 A JP 14753899A JP 2000334980 A JP2000334980 A JP 2000334980A
Authority
JP
Japan
Prior art keywords
ink
ink cartridge
elastic wave
cartridge
recording apparatus
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP14753899A
Other languages
Japanese (ja)
Inventor
Minoru Usui
稔 碓井
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seiko Epson Corp
Original Assignee
Seiko Epson Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Seiko Epson Corp filed Critical Seiko Epson Corp
Priority to JP14753899A priority Critical patent/JP2000334980A/en
Priority to US09/573,335 priority patent/US6799820B1/en
Priority to US09/572,849 priority patent/US7383727B2/en
Priority to DE60037068T priority patent/DE60037068D1/en
Priority to AT06025438T priority patent/ATE458617T1/en
Priority to CA002434732A priority patent/CA2434732A1/en
Priority to MYPI20002197A priority patent/MY131933A/en
Priority to EP08020726.9A priority patent/EP2036732B1/en
Priority to CN00107639A priority patent/CN1126663C/en
Priority to AU35394/00A priority patent/AU732279B2/en
Priority to AT00110253T priority patent/ATE378181T1/en
Priority to US09/573,164 priority patent/US6470744B1/en
Priority to TW089109658A priority patent/TW466183B/en
Priority to CA2643533A priority patent/CA2643533C/en
Priority to US09/574,015 priority patent/US7267000B1/en
Priority to EP00110256.5A priority patent/EP1053879B1/en
Priority to CA002309072A priority patent/CA2309072C/en
Priority to CNB031482090A priority patent/CN1251876C/en
Priority to TW089109657A priority patent/TW509632B/en
Priority to EP00110255A priority patent/EP1053878B1/en
Priority to EP09165174A priority patent/EP2103437B1/en
Priority to ARP000102395A priority patent/AR025165A1/en
Priority to CA002308958A priority patent/CA2308958C/en
Priority to KR10-2000-0027154A priority patent/KR100401539B1/en
Priority to CNB00107640XA priority patent/CN1146504C/en
Priority to AT09165174T priority patent/ATE519599T1/en
Priority to SG200203805-7A priority patent/SG146415A1/en
Priority to ARP000102396A priority patent/AR026123A1/en
Priority to ARP000102394A priority patent/AR025164A1/en
Priority to ES08020726.9T priority patent/ES2454971T3/en
Priority to CN00107642A priority patent/CN1120090C/en
Priority to CA002476325A priority patent/CA2476325A1/en
Priority to BRPI0003028-7A priority patent/BR0003028B1/en
Priority to AT00110255T priority patent/ATE441529T1/en
Priority to CNB031192556A priority patent/CN100392363C/en
Priority to DE60042865T priority patent/DE60042865D1/en
Priority to TW089109662A priority patent/TW513351B/en
Priority to DE60043908T priority patent/DE60043908D1/en
Priority to EP06025438A priority patent/EP1767371B1/en
Priority to BR0007099-8A priority patent/BR0007099A/en
Priority to CA002308835A priority patent/CA2308835C/en
Priority to AU35395/00A priority patent/AU739784B2/en
Priority to TW089109660A priority patent/TW558511B/en
Priority to BRPI0003029-5A priority patent/BR0003029B8/en
Priority to KR10-2000-0027156A priority patent/KR100421696B1/en
Priority to CN00106261A priority patent/CN1126662C/en
Priority to US09/574,012 priority patent/US6536861B1/en
Priority to CA002309073A priority patent/CA2309073C/en
Priority to SG200002749A priority patent/SG98392A1/en
Priority to ES06025438T priority patent/ES2341272T3/en
Priority to BR0015001-0A priority patent/BR0015001A/en
Priority to AU35391/00A priority patent/AU743776B2/en
Priority to BRPI0003049-0A priority patent/BR0003049B1/en
Priority to MYPI20002199A priority patent/MY125402A/en
Priority to CNB03122315XA priority patent/CN1277684C/en
Priority to KR10-2000-0027150A priority patent/KR100421695B1/en
Priority to EP00110257.3A priority patent/EP1053880B1/en
Priority to CA002411295A priority patent/CA2411295C/en
Priority to CN00107641A priority patent/CN1120089C/en
Priority to MYPI20052181A priority patent/MY160631A/en
Priority to MYPI20002200A priority patent/MY124747A/en
Priority to MYPI20002203A priority patent/MY134812A/en
Priority to SG200002740A priority patent/SG86396A1/en
Priority to TW089109659A priority patent/TW509633B/en
Priority to CA002308918A priority patent/CA2308918C/en
Priority to KR10-2000-0027152A priority patent/KR100523449B1/en
Priority to SG200002736A priority patent/SG84596A1/en
Priority to KR10-2000-0027151A priority patent/KR100372574B1/en
Priority to SG200002745A priority patent/SG102574A1/en
Priority to ES00110255T priority patent/ES2331943T3/en
Priority to CNB031482082A priority patent/CN1240545C/en
Priority to CNB031465544A priority patent/CN1309573C/en
Priority to EP00110258A priority patent/EP1053881A1/en
Priority to MYPI20002201A priority patent/MY124369A/en
Priority to SG200002750A priority patent/SG97887A1/en
Priority to CN200910177690A priority patent/CN101676108A/en
Priority to EP00110253A priority patent/EP1053877B1/en
Priority to IDP20000435A priority patent/ID26067A/en
Priority to AU36339/00A priority patent/AU742064C/en
Priority to AU36340/00A priority patent/AU744843B2/en
Priority to IDP20000436A priority patent/ID26068A/en
Priority to IDP20000438D priority patent/ID26073A/en
Priority to MXPA00005024A priority patent/MXPA00005024A/en
Priority to MXPA00005021A priority patent/MXPA00005021A/en
Priority to IDP20000434D priority patent/ID26066A/en
Priority to MXPA00005023A priority patent/MXPA00005023A/en
Priority to IDP20000437D priority patent/ID26069A/en
Priority to MXPA00005022A priority patent/MXPA00005022A/en
Publication of JP2000334980A publication Critical patent/JP2000334980A/en
Priority to HK01101452A priority patent/HK1030583A1/en
Priority to HK01101448A priority patent/HK1030580A1/en
Priority to HK01101446A priority patent/HK1030579A1/en
Priority to HK01101450A priority patent/HK1030581A1/en
Priority to HK01101451A priority patent/HK1030582A1/en
Priority to US10/191,423 priority patent/US6745626B2/en
Priority to US10/243,730 priority patent/US7175244B2/en
Priority to US10/357,377 priority patent/US7281776B2/en
Priority to US10/357,402 priority patent/US20030117451A1/en
Priority to KR1020030017121A priority patent/KR100541254B1/en
Priority to US10/662,397 priority patent/US7188520B2/en
Priority to US10/794,393 priority patent/US7251996B2/en
Priority to HK04109548A priority patent/HK1066506A1/en
Priority to US11/173,229 priority patent/US20060001714A1/en
Priority to ARP060103188A priority patent/AR054579A2/en
Priority to US11/505,424 priority patent/US7325450B2/en
Priority to ARP060103691A priority patent/AR054946A2/en
Priority to ARP060104003A priority patent/AR056069A2/en
Priority to ARP060105622A priority patent/AR058563A2/en
Priority to US11/826,514 priority patent/US7434462B2/en
Priority to US12/203,416 priority patent/US20090021566A1/en
Priority to ARP080104936A priority patent/AR069292A2/en
Pending legal-status Critical Current

Links

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
    • B41J2/17566—Ink level or ink residue control
    • B41J2002/17583—Ink level or ink residue control using vibration or ultra-sons for ink level indication

Landscapes

  • Ink Jet (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)

Abstract

PROBLEM TO BE SOLVED: To surely detect a residual quantity of ink without providing a complicated seal structure due to attaching of a detection electrode. SOLUTION: This recorder comprises a recording head that is supplied with ink from an ink cartridge 3 containing ink in a vessel having an ink supplying hole. The recorder is equipped with an elastic wave generating means 7 for propagating an elastic wave to the ink cartridge 3 in a condition that the ink cartridge 3 is loaded on a regular position. The change in the propagation condition or the resonant frequency of the elastic wave due to the reduction of the residual quantity of the ink is detected, thereby determining the residual quantity of the ink.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【０００１】[0001]

【発明の属する技術分野】本発明は、圧力発生手段によ
り圧力発生室のインクを印刷データに対応させて加圧
し、ノズル開口からインク滴を吐出させて印刷する記録
装置に適したインクカートリッジに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ink cartridge suitable for a recording apparatus which presses ink in a pressure generating chamber by a pressure generating means in accordance with print data and discharges ink droplets from nozzle openings for printing.

【０００２】[0002]

【従来の技術】インクジェット記録装置は、圧力発生室
を加圧する圧力発生手段と、加圧されたインクをノズル
開口からインク滴として吐出するノズル開口を備えたイ
ンクジェット記録ヘッドをキャリッジに搭載し、記録ヘ
ッドに流路を介してインクタンクのインクを供給しなが
ら印刷を継続可能に構成されている。このようなインク
タンクは、インクが消費された時点で、ユーザが簡単に
交換できるように着脱可能なカートリッジとして構成さ
れている。2. Description of the Related Art An ink jet recording apparatus has a carriage provided with an ink jet recording head having a pressure generating means for pressurizing a pressure generating chamber and a nozzle opening for discharging the pressurized ink from the nozzle opening as ink droplets. The printing can be continued while the ink in the ink tank is supplied to the head via a flow path. Such an ink tank is configured as a detachable cartridge so that the user can easily replace the ink tank when the ink is consumed.

【０００３】そして、インクカートリッジのインクは、
通常、記録ヘッドでのインク滴の吐出数やメンテナンス
により吸引されたインク量をソフトウエアにより積算し
たり、またインクカートリッジに液面検出用の電極を取
付けることにより、消費された時点が管理されている。[0003] The ink in the ink cartridge is
Normally, the point of consumption is managed by integrating the number of ink droplets ejected from the print head and the amount of ink sucked by maintenance by software, or by attaching a liquid level detection electrode to the ink cartridge. I have.

【０００４】[0004]

【発明が解決しようとする課題】しかしながら、前者の
管理方法にあってはユーザサイドでの印刷形態等により
誤差が生じたり、また同一カートリッジの再装着時には
大きな誤差が生じるという問題があり、また後者の方法
は、実量を検出できるため、残量を高い信頼性で管理で
きる反面、インクの導電性に頼るため、検出可能なイン
クの種類が限定されたり、また電極のシール構造が複雑
化する等の問題がある。本発明はこのような問題に鑑み
てなされたものであって、その目的とするところは、イ
ンク残量を確実に検出でき、かつ複雑なシール構造を不
要としたインクカートリッジを提供することである。However, in the former management method, there is a problem that an error occurs due to a printing form on the user side, and a large error occurs when the same cartridge is remounted. Can detect the actual amount, so that the remaining amount can be managed with high reliability. On the other hand, since the method relies on the conductivity of the ink, the types of ink that can be detected are limited, and the sealing structure of the electrodes is complicated. There are problems such as. The present invention has been made in view of such a problem, and an object of the present invention is to provide an ink cartridge which can reliably detect the remaining amount of ink and does not require a complicated seal structure. .

【０００５】[0005]

【課題を解決するための手段】このような問題を解消す
るために本発明においては、インク供給口を備えた容器
にインクを収容したインクカートリッジからインクの供
給を受ける記録ヘッドを備えた記録装置において、前記
インクカートリッジが正規の位置に装填された状態で前
記インクカートリッジに弾性波を伝達する弾性波発生手
段を備えるようにした。According to the present invention, there is provided a recording apparatus having a recording head for receiving ink from an ink cartridge containing ink in a container having an ink supply port. In the above-mentioned structure, an elastic wave generating means for transmitting an elastic wave to the ink cartridge in a state where the ink cartridge is mounted at a proper position is provided.

【０００６】[0006]

【作用】弾性波発生手段からインクカートリッジに弾性
波を照射して、インクの残量による弾性波の伝搬形態や
共振周波数の変化を検出してインクの残量を判定する。The elastic wave generating means irradiates the ink cartridge with an elastic wave and detects a change in the propagation form of the elastic wave or a change in the resonance frequency due to the remaining amount of the ink to determine the remaining amount of the ink.

【０００７】[0007]

【発明の実施の形態】そこで以下に本発明の詳細を図示
した実施例に基づいて説明する。図１（イ）、（ロ）
は、それぞれ本発明のインクジェット記録装置の一実施
例を示すものであって、記録用紙の幅方向に往復動可能
なキャリッジ１には、下面に記録ヘッド２が固定され、
またインクカートリッジ３の搭載面側にインク供給針４
が設けられたサブタンクユニット５が搭載されている。
インクカートリッジ３の載置領域には、内部のインクの
液面よりも下方の位置、この実施例では底部に対向する
ように凸部６を形成して、ここに圧電振動子などの弾性
波発生手段７が設けられている。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing a first embodiment of the present invention; Fig. 1 (a), (b)
1 shows an embodiment of the ink jet recording apparatus of the present invention, wherein a recording head 2 is fixed to a lower surface of a carriage 1 which can reciprocate in the width direction of recording paper;
An ink supply needle 4 is provided on the mounting surface side of the ink cartridge 3.
Is mounted.
In the mounting area of the ink cartridge 3, a convex portion 6 is formed at a position lower than the liquid level of the ink inside, in this embodiment, so as to face the bottom portion. Means 7 are provided.

【０００８】サブタンクユニット５は、図２に示したよ
うにインク供給針４を介して供給されるインクを収容す
るインク室８と、記録ヘッド２に連通するインク供給路
９との間に差圧により開閉する膜弁１０とを設けて構成
されている。なお、図中符号１１はフィルタを示す。The sub-tank unit 5 has a differential pressure between an ink chamber 8 for accommodating ink supplied via an ink supply needle 4 and an ink supply path 9 communicating with the recording head 2 as shown in FIG. And a membrane valve 10 which is opened and closed by the valve. In addition, the code | symbol 11 in a figure shows a filter.

【０００９】図３（イ）は、上述した記録装置に適した
単色、例えばブラックインク用のインクカートリッジの
一実施例を示すものであって、インクを収容する容器１
２に、記録装置のインク供給針４に接合するインク供給
口１３を形成して構成されており、容器１２の底面１２
ａには、凸部６と係合する凹部１４に超音波伝達材、例
えばゲル化材１５を収容して構成されている。FIG. 3A shows an embodiment of an ink cartridge for a single color, for example, black ink suitable for the above-described recording apparatus.
2, an ink supply port 13 to be joined to the ink supply needle 4 of the recording apparatus is formed.
In FIG. 1A, an ultrasonic transmission material, for example, a gelling material 15 is accommodated in a concave portion 14 which engages with the convex portion 6.

【００１０】インク供給口１３は、インク供給針４と液
密に係合するパッキン１６と、バネ１７によりパッキン
１６に常時弾接された弁体１８が設けられていて、イン
ク供給針４が挿入された状態では弁体１８がインク供給
針４に押されてインク流路を開放するように構成されて
いる。なお、図中符号１９は、インクカートリッジのイ
ンク等に関する情報を格納した半導体記憶手段を示す。The ink supply port 13 is provided with a packing 16 which engages with the ink supply needle 4 in a liquid-tight manner, and a valve body 18 which is always in elastic contact with the packing 16 by a spring 17, and the ink supply needle 4 is inserted. In this state, the valve element 18 is pushed by the ink supply needle 4 to open the ink flow path. Reference numeral 19 in the figure denotes a semiconductor storage unit that stores information related to the ink and the like of the ink cartridge.

【００１１】図３（ロ）は、複数種類のインクを収容す
るインクカートリッジの一実施例を示すものであって、
容器２０は壁により複数の領域、この実施例では３つの
部屋２１、２２、２３に分割され、各部屋に連通させて
インク供給口２４、２５、２６を形成して構成されてい
る。底面２０ａの各部屋２１、２２、２３に対向する領
域には、前述の実施例と同様に弾性波発生手段からの弾
性波を伝達するためのゲル化材２７、２８、２９が筒状
の凹部３０、３１、３２に収容されている。FIG. 3 (b) shows an embodiment of an ink cartridge containing a plurality of types of inks.
The container 20 is divided into a plurality of areas by walls, in this embodiment, three chambers 21, 22, and 23, and ink supply ports 24, 25, and 26 are formed so as to communicate with the respective rooms. Gelling materials 27, 28, 29 for transmitting elastic waves from the elastic wave generating means are formed in cylindrical recesses in the region of the bottom surface 20a facing the respective rooms 21, 22, 23, as in the above-described embodiment. 30, 31, 32.

【００１２】この実施例において、インクカートリッジ
３のインク供給口１３をサブタンク５のインク供給針４
に挿通すると、弁体１８がバネ１７の付勢力に抗して後
退し、インク流路が形成され、インクカートリッジ３の
インクがインク室８に流れ込む。インク室８にインクが
充填された段階で、記録ヘッド２のノズル開口に負圧を
作用させて記録ヘッド２にインクを充填した後、記録動
作を実行する。In this embodiment, the ink supply port 13 of the ink cartridge 3 is connected to the ink supply needle 4 of the sub tank 5.
, The valve element 18 retreats against the urging force of the spring 17, an ink flow path is formed, and the ink in the ink cartridge 3 flows into the ink chamber 8. At the stage when the ink chamber 8 is filled with ink, a negative pressure is applied to the nozzle openings of the recording head 2 to fill the recording head 2 with ink, and then a recording operation is performed.

【００１３】記録動作により記録ヘッド２でインクが消
費されると、膜弁１０の下流側の圧力が低下するため、
図２に示したように膜弁１０が弁体３０から離れて開弁
する。これによりインク室のインクが記録ヘッド２に流
れこみ、これに随伴してインクカートリッジ３のインク
がサブタンク５に流れ込む。When ink is consumed in the recording head 2 by the recording operation, the pressure on the downstream side of the membrane valve 10 decreases.
As shown in FIG. 2, the membrane valve 10 separates from the valve body 30 and opens. As a result, the ink in the ink chamber flows into the recording head 2, and the ink in the ink cartridge 3 flows into the sub tank 5 accordingly.

【００１４】一方、記録装置の動作期間中には一定周期
で弾性波発生手段７に駆動信号が供給される。弾性波発
生手段７により発生された弾性波は、凸部６から放射さ
れてカートリッジ３の底面１２ａのゲル化材１５を伝搬
してカートリッジ内のインクに伝達される。On the other hand, a driving signal is supplied to the elastic wave generating means 7 at a constant period during the operation of the recording apparatus. The elastic wave generated by the elastic wave generating means 7 is radiated from the convex portion 6, propagates through the gelling material 15 on the bottom surface 12a of the cartridge 3, and is transmitted to the ink in the cartridge.

【００１５】ところで、液中を伝搬する弾性波は、液の
密度や液面レベルにより、液中での共振周波数、音響イ
ンピーダンス、液表面で生じる反射波の到来時間等のさ
まざまな音響学的なパラメータが変化する。したがっ
て、インクの組成が一定である場合には、液柱での共振
周波数、音響インピーダンス、液表面で生じる反射波の
到来時間がインク量にだけ左右されることになるから、
弾性波発生手段７の励起時の共振周波数、音響インピー
ダンスの変化や、また励起後、表面からの反射波が弾性
波発生手段７に到達するまでの時間を検出することによ
り、インク量を検出することができる。また、弾性波
は、インクに含まれている粒子を振動させるから、顔料
等の沈殿を防止するのに寄与する。By the way, an elastic wave propagating in a liquid has various acoustic characteristics, such as a resonance frequency in the liquid, an acoustic impedance, and an arrival time of a reflected wave generated on the liquid surface, depending on the density and liquid level of the liquid. Parameters change. Therefore, when the composition of the ink is constant, the resonance frequency in the liquid column, the acoustic impedance, the arrival time of the reflected wave generated on the liquid surface depends only on the amount of ink,
The amount of ink is detected by detecting changes in the resonance frequency and acoustic impedance at the time of excitation of the elastic wave generation means 7 and the time until the reflected wave from the surface reaches the elastic wave generation means 7 after excitation. be able to. In addition, since the elastic waves vibrate the particles contained in the ink, they contribute to preventing precipitation of pigments and the like.

【００１６】このようにして、印刷動作やメンテナンス
動作によりインクカートリッジ３のインクがインクエン
ド近くまで減少して、弾性波発生手段７の共振周波数
や、弾性波発生手段７の励起時の音響インピーダンスが
低下したり、また励起後の反射波が受信できなくなった
場合には、インクニアエンドであると判定してインクカ
ートリッジの交換を促すことができる。In this manner, the ink in the ink cartridge 3 is reduced to near the ink end by the printing operation and the maintenance operation, and the resonance frequency of the elastic wave generating means 7 and the acoustic impedance at the time of excitation of the elastic wave generating means 7 are reduced. In the case where the reflected wave is lowered or the reflected wave after excitation becomes unreceivable, it is determined that the ink is near the end, and replacement of the ink cartridge can be prompted.

【００１７】なお、インクカートリッジ３が規定通りに
装着されていない場合には、弾性波の伝搬形態が極端に
変化するから、これを検知した場合には警報を発して、
ユーザにインクカートリッジ３の点検を促すことができ
る。If the ink cartridge 3 is not mounted as specified, the propagation form of the elastic wave changes drastically.
The user can be prompted to check the ink cartridge 3.

【００１８】ところで、弾性波発生手段７の共振周波
数、出力、さらにはカートリッジ全体としての音響イン
ピーダンスは、容器１２を構成する材料や、また収容さ
れているインクにより影響を受ける。一方、インクの改
良等による印字品質改良の成果を既存の記録装置にフィ
ードバックするため、特開平5-193127号公報に見られる
ように駆動条件やインク量を格納した半導体記憶手段が
インクカートリッジに付帯させることも提案されてい
る。The resonance frequency and output of the elastic wave generating means 7 and the acoustic impedance of the cartridge as a whole are affected by the material constituting the container 12 and the ink contained therein. On the other hand, in order to feed back the results of the improvement of the printing quality by the improvement of the ink to the existing recording apparatus, a semiconductor storage means storing driving conditions and ink amount is attached to the ink cartridge as shown in JP-A-5-193127. It has also been proposed to do so.

【００１９】したがって、インクカートリッジ３の容器
を構成する材料や、また収容されているインクによる変
動分に関するデータを半導体記憶手段１９に格納してお
くと、インク残量をより正確に検出することができる。Therefore, if data relating to the material constituting the container of the ink cartridge 3 and the variation due to the contained ink is stored in the semiconductor storage means 19, the remaining amount of ink can be detected more accurately. it can.

【００２０】図４、図５は、それぞれ本発明の他の実施
例を示すものであって、図４に示した実施例において
は、インクカートリッジ３の底面１２ａが上下方向に斜
めとなるように形成されており、また図５に示した実施
例では側面１２ｂのインク供給口１３寄りに凸部６’を
形成してここに弾性波発生手段７’を設け、またこの凸
部６’に係合するようにゲル化材１５’がインクカート
リッジ３設けられている。これらの実施例によれば、イ
ンク残量が少なくなり、弾性波発生手段７、７’の照射
領域の一部が液面から露出するようになると、共振周波
数や音響インピーダンスが液面の変化Δｈ１、Δｈ２に
対応して連続的に変化するから、その変化の度合を検出
することにより、インクニアエンド状態からインクエン
ドまでの過程を正確に検出することができる。FIGS. 4 and 5 show another embodiment of the present invention. In the embodiment shown in FIG. 4, the bottom surface 12a of the ink cartridge 3 is inclined vertically. In the embodiment shown in FIG. 5, a convex portion 6 'is formed on the side surface 12b near the ink supply port 13, and an elastic wave generating means 7' is provided here. The ink material 3 is provided with a gelling material 15 'so as to match. According to these embodiments, when the remaining amount of the ink becomes small and a part of the irradiation area of the elastic wave generating means 7 and 7 ′ is exposed from the liquid surface, the resonance frequency and the acoustic impedance change in the liquid level Δh1. , Δh2, the process from the ink near-end state to the ink end can be accurately detected by detecting the degree of the change.

【００２１】なお、上述の実施例においては、容器にイ
ンクを直接収容する形式のインクカートリッジに例を採
って説明したが、容器に多孔質弾性体を装填し、多孔質
弾性体にインクを含浸させる形式のインクカートリッジ
に適用しても同様の作用を奏する。In the above embodiment, an ink cartridge of a type in which ink is directly stored in a container has been described as an example. However, a porous elastic body is loaded in a container, and the porous elastic body is impregnated with ink. The same effect can be obtained even when the present invention is applied to an ink cartridge of a type that allows the ink cartridge to be used.

【００２２】さらには、上述の実施例においては、液面
での反射波に基づいてインク残量を検出する場合にも、
同一の弾性波発生手段により弾性波の送波と、受波とを
行っているが、受波用のものを取付けても同様の作用を
奏する。なお、液面からの反射波の強度を上げるために
は、図６に示したように音響インピーダンスが高く、か
つ耐インク性を備えた材料、たとえばセラミックの板材
３３をフロート３４に取付けて、インク液面を覆うのが
望ましい。Further, in the above-described embodiment, even when the remaining ink amount is detected based on the reflected wave at the liquid surface,
Although the same elastic wave generating means transmits and receives the elastic wave, the same operation can be achieved by attaching a wave receiving device. In order to increase the strength of the reflected wave from the liquid surface, as shown in FIG. 6, a material having high acoustic impedance and having ink resistance, for example, a ceramic plate 33 is attached to the float 34, It is desirable to cover the liquid surface.

【００２３】[0023]

【発明の効果】以上、説明したように本発明において
は、インク供給口を備えた容器にインクを収容したイン
クカートリッジからインクの供給を受ける記録ヘッドを
備えた記録装置において、インクカートリッジが正規の
位置に装填された状態でインクカートリッジに弾性波を
伝達する弾性波発生手段を備えたので、弾性波発生手段
からインクカートリッジに弾性波を照射することによ
り、インクの残量による弾性波の伝搬形態や共振周波数
に基づいて、インクの残量を判定することができ、また
検出電極の埋め込みが不要となって射出成形工程の簡素
化と、信頼性の向上を図ることができる。As described above, according to the present invention, in a recording apparatus having a recording head which receives supply of ink from an ink cartridge containing ink in a container having an ink supply port, the ink cartridge is a regular one. An elastic wave generating means for transmitting an elastic wave to the ink cartridge in a state where the ink cartridge is loaded at the position is provided. The remaining amount of the ink can be determined based on the resonance frequency and the resonance frequency, and it is not necessary to embed the detection electrode, so that the injection molding process can be simplified and the reliability can be improved.

【００２４】さらには、インクカートリッジが規定通り
に装着されていない場合には、弾性波の伝搬形態が極端
に変化するから、インクカートリッジの装着不良を検出
して、ユーザに再装着を流すことができ、インクカート
リッジの装着ミスによる印字不良を未然に防止すること
ができる。さらには、インクカートリッジ側に比較的安
価なゲル化材を設けたので、インクカートリッジに弾性
波発生手段を設ける場合に比較してコストとの低減を図
りつつ、確実に超音波を伝達することができる。Furthermore, when the ink cartridge is not mounted as specified, the propagation form of the elastic wave changes drastically. Therefore, it is necessary to detect the mounting failure of the ink cartridge and to re-install the ink cartridge to the user. It is possible to prevent a printing failure due to a mounting error of the ink cartridge. Furthermore, since a relatively inexpensive gelling material is provided on the ink cartridge side, it is possible to transmit ultrasonic waves reliably while reducing costs as compared with the case where an elastic wave generating means is provided in the ink cartridge. it can.

【図面の簡単な説明】[Brief description of the drawings]

【図１】図（イ）、（ロ）は、それぞれ本発明のインク
ジェット記録装置の一実施例を、インクカートリッジを
取り外した状態、及び装着した状態で示す図である。FIGS. 1 (a) and 1 (b) are views showing an embodiment of an ink jet recording apparatus of the present invention, with an ink cartridge removed and attached.

【図２】サブタンクの一実施例を示す断面図である。FIG. 2 is a sectional view showing one embodiment of a sub tank.

【図３】図（イ）、（ロ）は、それぞれ同上インクカー
トリッジの一実施例を示す図である。FIGS. 3A and 3B are diagrams illustrating an embodiment of the ink cartridge according to the first embodiment; FIGS.

【図４】本発明のインクジェット記録装置の他の実施例
を、インクカートリッジを装着した状態で示す図であ
る。FIG. 4 is a view showing another embodiment of the ink jet recording apparatus of the present invention in a state where an ink cartridge is mounted.

【図５】本発明のインクジェット記録装置の他の実施例
を、インクカートリッジを装着した状態で示す図であ
る。FIG. 5 is a view showing another embodiment of the ink jet recording apparatus of the present invention in a state where an ink cartridge is mounted.

【図６】本発明の記録装置に適したインクカートリッジ
の他の実施例を示す断面図である。FIG. 6 is a sectional view showing another embodiment of an ink cartridge suitable for the recording apparatus of the present invention.

【符号の説明】[Explanation of symbols]

１ キャリッジ ２ 記録ヘッド ３ インクカートリッジ ５ サブタンクユニット ６ 凸部 ７ 弾性波発生手段 １３ インク供給口 １５ ゲル化材 DESCRIPTION OF SYMBOLS 1 Carriage 2 Recording head 3 Ink cartridge 5 Subtank unit 6 Convex part 7 Elastic wave generation means 13 Ink supply port 15 Gelling material

Claims (6)

【特許請求の範囲】[Claims] 【請求項１】 インク供給口を備えた容器にインクを収
容したインクカートリッジからインクの供給を受ける記
録ヘッドを備えた記録装置において、 前記インクカートリッジが正規の位置に装填された状態
で前記インクカートリッジに弾性波を伝達する弾性波発
生手段を備えたインクジェット記録装置。1. A recording apparatus having a recording head for receiving ink from an ink cartridge containing ink in a container having an ink supply port, wherein the ink cartridge is mounted in a proper position. An ink jet recording apparatus provided with an elastic wave generating means for transmitting an elastic wave to the ink jet recording apparatus. 【請求項２】 前記弾性波発生手段の共振周波数、また
音響インピーダンスにより前記インクカートリッジのイ
ンク量を判定する請求項１に記載のインクジェット記録
装置。2. The ink jet recording apparatus according to claim 1, wherein the ink amount of the ink cartridge is determined based on a resonance frequency of the elastic wave generating means and an acoustic impedance. 【請求項３】 インク供給口を備えた容器にインクを収
容したインクカートリッジおいて、前記インク収容領域
に記録装置の弾性波発生手段と係合して弾性波の伝達を
可能にする超音波伝達材を備えたインクカートリッジ。3. An ink cartridge in which ink is stored in a container having an ink supply port, wherein ultrasonic waves are transmitted to the ink storage area by engaging with an elastic wave generating means of a recording apparatus. Ink cartridge with a material. 【請求項４】 前記超音波伝達材がゲル化材により構成
されている請求項３に記載のインクカートリッジ。4. The ink cartridge according to claim 3, wherein the ultrasonic transmission material is made of a gelling material. 【請求項５】 前記弾性波伝達材が凹部に収容されてい
る請求項３に記載のインクカートリッジ。5. The ink cartridge according to claim 3, wherein said elastic wave transmitting member is accommodated in a concave portion. 【請求項６】 記録装置の弾性波発生手段からの弾性波
の伝達状態を規定するデータを格納した半導体記憶手段
を備えたインクカートリッジ。6. An ink cartridge comprising semiconductor storage means for storing data defining a transmission state of an elastic wave from an elastic wave generating means of a recording apparatus.
JP14753899A 1999-05-20 1999-05-27 Ink jet recorder and ink cartridge Pending JP2000334980A (en)

Priority Applications (110)

Application Number Priority Date Filing Date Title
JP14753899A JP2000334980A (en) 1999-05-27 1999-05-27 Ink jet recorder and ink cartridge
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AT06025438T ATE458617T1 (en) 1999-05-20 2000-05-19 PIEZOELECTRIC LIQUID DETECTION DEVICE, LIQUID CONTAINER AND MODULE
CA002434732A CA2434732A1 (en) 1999-05-20 2000-05-19 A liquid container having a liquid consumption detecting device therein
MYPI20002197A MY131933A (en) 1999-05-20 2000-05-19 A liquid container having a liquid consumption detecting device therein
EP08020726.9A EP2036732B1 (en) 1999-05-20 2000-05-19 Ink cartridge
CN00107639A CN1126663C (en) 1999-05-20 2000-05-19 Liquid consumption state detecting method, liquid container and ink case
AU35394/00A AU732279B2 (en) 1999-05-20 2000-05-19 Liquid consumption status detecting method, liquid container, and ink cartridge
AT00110253T ATE378181T1 (en) 1999-05-20 2000-05-19 LIQUID CONTAINER WITH A DEVICE FOR RECORDING LIQUID CONSUMPTION
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CA2643533A CA2643533C (en) 1999-05-20 2000-05-19 Liquid consumption status detecting method, liquid container, and ink cartridge
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EP00110256.5A EP1053879B1 (en) 1999-05-20 2000-05-19 Liquid consumption status detecting method, liquid container, and ink cartridge
CA002309072A CA2309072C (en) 1999-05-20 2000-05-19 Liquid consumption status detecting method, liquid container, and ink cartridge
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US10/662,397 US7188520B2 (en) 1999-05-20 2003-09-16 Liquid consumption status detecting method, liquid container, and ink cartridge
US10/794,393 US7251996B2 (en) 1999-05-20 2004-03-08 Liquid detecting piezoelectric device, liquid container and mounting module member
HK04109548A HK1066506A1 (en) 1999-05-20 2004-12-02 Liquid container, ink cartridge, ink jet printer, liquid detection system and detection method
US11/173,229 US20060001714A1 (en) 1999-05-20 2005-07-05 Liquid container having liquid consumption detecting device
ARP060103188A AR054579A2 (en) 1999-05-20 2006-07-24 PIEZOELECTRIC LIQUID DETECTION DEVICE LIQUID CONTAINER AND ASSEMBLY MODULE ELEMENT
US11/505,424 US7325450B2 (en) 1999-05-20 2006-08-17 Liquid consumption status detecting method, liquid container, and ink cartridge
ARP060103691A AR054946A2 (en) 1999-05-20 2006-08-24 LIQUID CONTAINER THAT HAS A LIQUID CONSUMPTION DETECTION DEVICE
ARP060104003A AR056069A2 (en) 1999-05-20 2006-09-13 METHOD OF DETECTION OF THE STATUS OF LIQUID CONSUMPTION LIQUID CONTAINER AND INK CARTRIDGE
ARP060105622A AR058563A2 (en) 1999-05-20 2006-12-19 PIEZOELECTRIC LIQUID DETECTION DEVICE, LIQUID CONTAINER AND ASSEMBLY MODULE ELEMENT
US11/826,514 US7434462B2 (en) 1999-05-20 2007-07-16 Liquid consumption status detecting method, liquid container, and ink cartridge
US12/203,416 US20090021566A1 (en) 1999-05-20 2008-09-03 Liquid Consumption Status Detecting Method, Liquid Container, and Ink Cartridge
ARP080104936A AR069292A2 (en) 1999-05-20 2008-11-12 INK CARTRIDGE

Applications Claiming Priority (1)

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JP14753899A JP2000334980A (en) 1999-05-27 1999-05-27 Ink jet recorder and ink cartridge

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JP2000334980A true JP2000334980A (en) 2000-12-05

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JP2007136901A (en) * 2005-11-18 2007-06-07 Seiko Epson Corp Liquid detector, and liquid storage vessel equipped with it
JP2007185933A (en) * 2006-01-16 2007-07-26 Seiko Epson Corp Residual liquid amount detection device of liquid container
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JP2007136900A (en) * 2005-11-18 2007-06-07 Seiko Epson Corp Liquid detector, and liquid storage vessel equipped with it
JP2007136901A (en) * 2005-11-18 2007-06-07 Seiko Epson Corp Liquid detector, and liquid storage vessel equipped with it
JP4677885B2 (en) * 2005-11-18 2011-04-27 セイコーエプソン株式会社 Liquid detection device and liquid storage container including the same
JP4677886B2 (en) * 2005-11-18 2011-04-27 セイコーエプソン株式会社 Liquid detection device and liquid storage container including the same
JP2007185933A (en) * 2006-01-16 2007-07-26 Seiko Epson Corp Residual liquid amount detection device of liquid container
JP4677906B2 (en) * 2006-01-16 2011-04-27 セイコーエプソン株式会社 Liquid remaining amount detection device of liquid storage container, liquid storage container, and liquid consumption device
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