CN102950895A - Ink jetting chip - Google Patents
Ink jetting chip Download PDFInfo
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- CN102950895A CN102950895A CN2012102129361A CN201210212936A CN102950895A CN 102950895 A CN102950895 A CN 102950895A CN 2012102129361 A CN2012102129361 A CN 2012102129361A CN 201210212936 A CN201210212936 A CN 201210212936A CN 102950895 A CN102950895 A CN 102950895A
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Abstract
The invention provides an ink jetting chip which is used for receiving an energy signal, first to nth signals which are output by printing equipment. The ink jetting chip comprises an ink jetting heating element and an ink jetting control circuit; the ink jetting control circuit comprises first to nth switching element; the (n-1)th switching element and the (n-2)th switching element are electrically connected with the printing equipment, so as to receive an (n-1)th switching control signal and the nth signal, and generate an nth switching control signal; the nth switching element and the (n-1) switching element are electrically connected with the ink jetting heating element, so as to receive an nth switching control signal; and after the ink jetting heating element receives the energy signal, the nth switching control signal is conduced and grounded, so that the ink jetting can be realized by generating a heating effect.
Description
Technical field
The present invention is about a kind of chip, the espespecially a kind of ink-jet chip that can control with minimum control contact maximum ink-jetting members.
Background technology
In recent years, along with popularizing of PC, and the sustainable development of industrial technology, PRN device has just like become the indispensable product of PC periphery in enterprise or the family, and the user is for the also gradually raising of demand of PRN device efficient, function and precision, wish that PRN device can in the minimized situation of volume, can satisfy the demands such as print quality and print speed again simultaneously.
When if known PRN device will carry out multi-color printing, need a plurality of ink cartridges are installed on the load bearing seat of PRN device.Therefore, load bearing seat is yielded to the volume of ink cartridges and is increased in volume potential necessity of horizontal direction, also increased simultaneously the displacement of load bearing seat in PRN device inside, relatively also must promote the accommodation space of PRN device inside, so that the volume size is difficult to meet now the trend for miniaturization of electronic products.
In addition, in order to promote print speed and print quality, need to increase ink-jetting member at the ink gun of known inks casket.See also Fig. 1, it is the circuit diagram of known ink-jetting member.As shown in Figure 1, known ink-jetting member 1 is to use resistance 11 to cooperate metal-oxide half field effect transistor 12 (Metal-Oxide-Semiconductor Field-Effect Transistor, MOSFET, mos field effect transistor) characteristic is with the ink-jet action of control ink gun, because conventional art is the mode of using single ink-jetting member 1 running of single control contact 13 controls, if so will increase the quantity of ink-jetting member 1, then controlling contact 13 certainly will increase relatively, so that the accommodation space of whole ink-jet chip needs corresponding expansion.Certainly, the volume of ink jet cartridge also with regard to unavoidablely with increase, cause causing awkward situation print quality and reduction the considering of volume.Moreover, the increase of control contact 13 quantity also so that on the processing procedure cost promote, and the phenomenon that easily causes the mutual interference of circuit phase has reduced operating efficiency, makes print job need the longer time just can finish, and has virtually also increased user's time cost.
Therefore, how to develop a kind of disappearance that is enough to improve above-mentioned known technology, and can reach and use the minimum maximum ink-jetting member of control contact control, to reduce cost and to reduce the ink-jet chip of volume, real be present problem in the urgent need to address.
Summary of the invention
Main purpose of the present invention is for providing a kind of ink-jet chip, increases with the control contact and enlarges in order to do solving known ink-jet chip volume, the volume that makes jointly ink jet cartridge with increase, and cause manufacturing cost higher and easily cause the shortcoming such as line-hit phenomenon.
Another object of the present invention is used the minimum maximum ink-jet heating element heater of control contact control to reach for a kind of ink-jet chip is provided, and reducing cost and to reduce own vol, and then reaches the effect of reduction ink jet cartridge volume.
For reaching above-mentioned purpose, of the present invention one better enforcement aspect is for providing a kind of ink-jet chip, receive at least one energy signal of PRN device output and at least one first signal, at least one secondary signal at least one n signal, wherein n is the natural number more than or equal to 3, this ink-jet chip comprises: an ink-jet heating element heater receives this energy signal that this PRN device is exported; An and ink-jet controlling circuit, comprise: the first switch element to the n switch element, wherein: this first switch element system is electrically connected with this PRN device, receiving this first signal and this secondary signal of the output of this PRN device, and produce a second switch control signal in response to this first signal and this secondary signal; This n-1 switch element system is electrically connected with this n-2 switch element and this PRN device, with the n-1 switch element control signal that receives the output of this n-2 switch element and this n signal of this PRN device output, and produce a n switch element control signal in response to this n-1 switch element control signal and this n signal; N switch element system is electrically connected with this n-1 switch element and this ink-jet heating element heater, to receive this n switch controlling signal of this n-1 switch element output; Wherein, after this ink-jet heating element heater receives this energy signal of this PRN device output, according to this n switch controlling signal and conducting ground connection is carried out ink-jet to produce heat effect.
Description of drawings
Fig. 1 is the circuit diagram of known ink-jetting member.
Fig. 2 is the ink-jet chip of preferred embodiment of the present invention and the circuit box schematic diagram of PRN device.
Fig. 3 is the circuit box schematic diagram of ink-jet chip shown in Figure 2.
Fig. 4 is the circuit box schematic diagram of the ink-jet chip of another embodiment of the present invention.
Fig. 5 is the ink-jet chip circuit box schematic diagram of ink-jet controlling circuit of the present invention when being two stratum circuit.
Fig. 6 is the ink-jet chip circuit box schematic diagram of two stratum's circuit of another embodiment of the present invention.
Fig. 7 is each signal contact of PRN device generation of the present invention connects pull down resistor in ink-jet chip circuit diagram.
Fig. 8 is signal when ink-jet forward of the ink-jet controlling circuit of another embodiment of the present invention-time corresponding diagram.
The signal that Fig. 9 is address signal when ink-jet forward-time corresponding diagram.
Figure 10 is signal when reverse ink-jet of the ink-jet controlling circuit of another embodiment of the present invention-time corresponding diagram.
Figure 11 is the signal of address signal when reverse ink-jet-time corresponding diagram.
[main element symbol description]
1: ink-jetting member
11: resistance
12: metal-oxide half field effect transistor
13: the control contact
2: ink-jet chip
21: the ink-jet heating element heater
22: ink-jet controlling circuit
23, RD: pull down resistor
221, sw1: the first switch element
222, sw2: second switch element
223: the three switch elements
224: pull down resistor
A: address signal
H: the 3rd switch controlling signal
K2, T: second switch control signal
Kn-1: n-1 switch controlling signal
Kn: n switch controlling signal
P: energy signal
Q: control signal
S: select signal
Swn-1: n-1 switch element
Swn: n switch element
A1 ~ A5: the first address signal～the 5th address signal
C1 ~ Cn: first signal～n signal
P1 ~ P20: the first energy signal～the 20 energy signal
Q1 ~ Q3: the first control signal～the 3rd control signal
S1 ~ S2: first selects signal～second to select signal
The specific embodiment
Some exemplary embodiments that embody feature ﹠ benefits of the present invention will be described in detail in the explanation of back segment.Be understood that the present invention can have in different aspects various variations, so its neither departing from the scope of the present invention, and explanation wherein and graphic be when the usefulness that explain in itself, but not in order to limit the present invention.
See also Fig. 2 and Fig. 3, it is to be respectively the circuit box schematic diagram of the ink-jet chip of preferred embodiment of the present invention and PRN device and the circuit box schematic diagram of ink-jet chip shown in Figure 2.As shown in Figures 2 and 3, ink-jet chip 2 of the present invention is applicable to PRN device 3, comprises at least ink-jet heating element heater 21 and ink-jet controlling circuit 22.Wherein, ink-jet heating element heater 21 can be electrically connected with PRN device 3, to receive the energy signal P of PRN device 3 outputs.PRN device 3 can be such as but not limited to a printer body, and 2 of ink-jet chips can be arranged on the ink gun of a print cartridge.
Ink-jet controlling circuit 22 comprises the first switch element sw1 to the n switch element swn at least, the first switch element sw1 to the n switch element swn can be the N-type metal-oxide half field effect transistor, but not as limit, and n is the natural number more than or equal to 3, so that ink-jet controlling circuit 22 is at least the control circuit of n-1 stratum.Wherein, the first switch element sw1 is electrically connected with PRN device 3, the first signal C1 and the secondary signal C2 that export to receive PRN device, and in response to first signal C1 and secondary signal C2 generation second switch control signal K2.Wherein this first signal C1 can be control signal, this secondary signal C2 can be the selection signal, the 3rd signal C3 to the n signal Cn can be address signal, when first signal C1 is activation (Enable) state, i.e. C1=1, the first switch element sw1 conducting (On), if this moment, secondary signal C2 also was enabled status, be C2=1, then the second switch control signal K2 that produces in response to first signal C1 and secondary signal C2 of the first switch element sw1 also is enabled status, i.e. K2=1.Anti-, if secondary signal C2 is disabled state (Disable), i.e. C2=0, then the second switch control signal K2 that produces of the first switch element sw1 is disabled state, i.e. K2=0.Certainly, if first signal C1 is disabled state, namely during C1=0, because the first switch element sw1 is in cut-out (Off) state, no matter secondary signal C2 is enabled status or disabled state, the second switch control signal K2 that the first switch element sw1 produces is all disabled state, i.e. K2=0.
N-1 switch element swn-1 system is electrically connected with n-2 switch element swn-2 and PRN device 3, with the n-1 switch element control signal Kn-1 that receives n-2 switch element swn-2 output and the n signal Cn of PRN device 3 outputs, and produce n switch element control signal Kn in response to n-1 switch element control signal Kn-1 and n signal Cn.When n-1 switch controlling signal Kn-1 is enabled status, be Kn-1=1, n-1 switch element swn-1 conducting, if this moment, n signal Cn also was enabled status, be Cn=1, then the n switch controlling signal Kn that produces in response to n-1 switch controlling signal Kn-1 and n signal Cn of n-1 switch element swn-1 also is enabled status, i.e. Kn=1; If n signal Cn is disabled state, i.e. Cn=0, then the n switch controlling signal Kn that produces of n-1 switch element swn-1 also is disabled state, i.e. Kn=0.Otherwise, if n-1 switch controlling signal Kn-1 is disabled state, when being Kn-1=0, because n-1 switch element swn-1 is in dissengaged positions, no matter n signal Cn is enabled status or disabled state, the n switch controlling signal Kn that n-1 switch element swn-1 produces is all disabled state, i.e. Kn=0.
N switch element swn system is electrically connected with n-1 switch element swn-1 and ink-jet heating element heater 21, to receive the n switch controlling signal Kn of n-1 switch element swn-1 output.When n switch controlling signal Kn is enabled status, i.e. Kn=1, n switch element swn conducting, if this moment, energy signal P also was enabled status, namely P=1 then can make 21 heating of ink-jet heating element heater, and produce bubble to push ink generation ink droplet, to carry out the ink-jet action; If energy signal P is disabled state, i.e. P=0, then ink-jet heating element heater 21 does not heat the action of ink-jet, if and n switch controlling signal Kn is disabled state, when being Kn=0, because n switch element swn is in dissengaged positions, so ink-jet heating element heater 21 does not also carry out the action of ink-jet heating.
See also Fig. 4, it is the circuit box schematic diagram of the ink-jet chip of another embodiment of the present invention.As shown in Figure 4; ink-jet controlling circuit 22 of the present invention can comprise a plurality of pull down resistor RD; be electrically connected and ground connection with the first switch element sw1 to the n-1 switch element swn-1 respectively, disturb with reaction speed and the guard signal opposing of accelerating signal, and then increase the stability of circuit.In addition, in some embodiment, ink-jet chip 2 of the present invention can comprise that more any one the signal contact with first signal C1, secondary signal C2 to the n signal Cn is electrically connected and the pull down resistor of ground connection, but not as limit.
Below will be with n-1 stratum control circuit, and n=3 carries out exemplary explanation, that is ink-jet controlling circuit of the present invention is the embodiment of two stratum's control circuits, in present embodiment, the first signal that PRN device 3 is exported, secondary signal and the 3rd signal system are respectively control signal Q, select signal S and address signal A, so not as limit.See also Fig. 5 and cooperate Fig. 2, wherein Fig. 5 is the ink-jet chip circuit box schematic diagram of ink-jet controlling circuit of the present invention when being two stratum circuit.Such as Fig. 2 and shown in Figure 5, ink-jet controlling circuit 22 of the present invention comprises the first switch element 221, second switch element 222 and the 3rd switch element 223 at least, and the first switch element 221, second switch element 222 and the 3rd switch element 223 can be but be not limited to the N-type metal-oxide half field effect transistor.The first switch element 221 is and PRN device 3 is electrically connected, with the control signal Q that receives PRN device 3 outputs and select signal S, and in response to control signal Q and select signal S to produce second switch control signal T.When control signal Q is activation (Enable) state, be Q=1, the first switch element 221 conductings (On), if select signal S this moment also is enabled status, be S=1, then the first switch element 221 is in response to control signal Q and select signal S and the second switch control signal T that produces also is enabled status, i.e. T=1.Otherwise, be disabled state (Disable) if select signal S, i.e. S=0, then the second switch control signal T that produces of the first switch element 221 is disabled state, i.e. T=0.Certainly, if control signal Q is disabled state, namely during Q=0, because the first switch element 221 is in cut-out (Off) state, no matter selecting signal S is enabled status or disabled state, the second switch control signal T that the first switch element 221 produces is all disabled state, i.e. T=0.
The 3rd switch element 223 is to be electrically connected with second switch element 222, PRN device 3 and ink-jet heating element heater 21, with the 3rd switch controlling signal H of reception second switch element 222 outputs and the energy signal P of PRN device 3 outputs, when the 3rd switch controlling signal H is enabled status, be H=1,223 conductings of the 3rd switch element, if this moment, energy signal P also was enabled status, be P=1, then can make 21 heating of ink-jet heating element heater, and produce bubble to push ink generation ink droplet, to carry out the ink-jet action; If energy signal P is disabled state, i.e. P=0, then ink-jet heating element heater 21 does not heat the action of ink-jet, if and the 3rd switch controlling signal H is disabled state, when being H=0, because the 3rd switch element 223 is in dissengaged positions, so ink-jet heating element heater 21 does not also carry out the action of ink-jet heating.
According to conception of the present invention, the ink-jet controlling circuit 22 of present embodiment is to comprise the first stratum's control circuit that is comprised of control signal Q, selection signal S and the first switch element 221, and the second stratum's control circuit that is formed by second switch control signal T, address signal A and second switch element 222, to export the 3rd switch controlling signal H and to cooperate energy signal P, and make 21 actions of ink-jet heating element heater, but not as limit.
See also Fig. 6, it is the ink-jet chip circuit box schematic diagram of two stratum's circuit of another embodiment of the present invention.As shown in Figure 6; ink-jet controlling circuit 22 of the present invention can comprise a plurality of pull down resistors 224; be electrically connected and ground connection with the first switch element 221 and second switch element 222 respectively, disturb with reaction speed and the guard signal opposing of accelerating signal, and then increase the stability of circuit.
See also Fig. 7, its each signal contact that is PRN device of the present invention produces connects the circuit diagram of pull down resistor in ink-jet chip.As shown in Figure 7; can comprise a plurality of pull down resistors 23 in the ink-jet chip 2 of the present invention; signal contact with control signal Q, selection signal S and address signal A is electrically connected and ground connection respectively, disturb with reaction speed and the guard signal opposing of accelerating signal, and then the stability of increase circuit.
See also Fig. 8 and Fig. 9 and cooperate Fig. 5, wherein signal when ink-jet forward of the signal of Fig. 8 and Fig. 9 system ink-jet controlling circuit of being respectively another embodiment of the present invention when ink-jet forward-time corresponding diagram and address signal-time corresponding diagram.Such as Fig. 5, Fig. 8 and shown in Figure 9, ink-jet chip 2 of the present invention is to comprise a plurality of the first switch elements 221, a plurality of second switch element 222 and a plurality of the 3rd switch element 223, and the signal of PRN device 3 outputs comprises that the first control signal Q1, the second control signal Q2, the 3rd control signal Q3, first select signal S1, second to select signal S2, the first address signal A1, the second address signal A2, the 3rd address signal A3, four-address signal A4, the 5th address signal A5 and the first energy signal to the 20 energy signal P1 ~ P20.Wherein, the first control signal Q1, the second control signal Q2, the 3rd control signal Q3, first selects signal S1 and second to select signal S2 to arrange in pairs or groups mutually, can control conducting or the cut-out of a plurality of the first switch elements 221, six the first switch elements 221 for example, but not as limit, and the first address signal A1 that arranges in pairs or groups, the second address signal A2, the 3rd address signal A3, four-address signal A4 and the 5th address signal A5, and control conducting or the cut-out of a plurality of second switch elements 222, such as but not limited to 30 second switch elements 222, conducting or the cut-out of the first energy signal to the 20 energy signal P1 ~ P20 to control a plurality of the 3rd switch elements of arranging in pairs or groups again, 600 the 3rd switch elements 223 for example, but not as limit, and then control a plurality of ink-jet heating element heaters 21 for the ink-jet heating action of a plurality of ink-jet points.This shows that ink-jet chip 2 of the present invention and the PRN device 3 that is suitable for thereof can reach and use the minimum maximum ink-jet heating element heater 21 of control contact control, reducing cost and to reduce own vol, and then reach the effect of reduction ink jet cartridge volume.
In this embodiment, the first signal condition that controls signal to the 3rd control signal Q1 ~ Q3, first selection signal to the second selection signal S1 ~ S2 and the first address signal to the five address signal A1 ~ A5 is the repetitive cycling of fixing, for example when very first time T1, the first control signal Q1 is that enabled status and the second control signal Q2 and the 3rd control signal Q3 are disabled state, i.e. Q1=1, Q2=Q3=0; When the second time T 2, the second control signal Q2 is that enabled status and the first control signal Q1 and the 3rd control signal Q3 are disabled state, i.e. Q2=1, Q1=Q3=0; When the 3rd time T 3, the 3rd control signal Q3 is that enabled status and the first control signal Q1 and the second control signal Q2 are disabled state, be Q3=1, Q1=Q2=0, then in the 4th time T 4 during to the 6th time T 6, the first state that controls signal to the 3rd control signal Q1 ~ Q3 is identical during respectively with very first time T1 to the three time T 3, and continuous repetitive cycling, but not as limit.
First selects signal S1 and second to select signal S2 system to hold time for its state take the first cycle of states time that controls signal to the 3rd control signal Q1 ~ Q3, and the first address signal to the five address signal A1 ~ A5 hold time take first cycle of states selecting signal S1 and the second selection signal S2 as its state.For example, when very first time T1 to the three time T 3, the first selection signal S1 is enabled status, second to select signal S2 be disabled state, i.e. S1=1, S2=0, and in the 4th time T 4 during to the 6th time T 6, the first selection signal S1 is disabled state, second to select signal S2 be enabled status, i.e. S1=0, S2=1, but not as limit.As for the first address signal to the five address signal A1 ~ A5, then as shown in Figure 9, when very first time T1 to the six time T 6, the first address signal A1 is enabled status, and the second address signal to the five address signal A2 ~ A5 are disabled state, be A1=1, A2=A3=A4=A5=0, its fixing repetitive cycling mode as hereinbefore, so repeat no more in this.
According to conception of the present invention, the first energy signal to the 20 energy signal P1 ~ P20 that PRN device 3 is exported are the signal of irregular appearance, not as limit, the printed information that main system receives according to PRN device 3 is judged when ink-jet point needs carry out the ink-jet action, just with the energy signal output of correspondence, move in order to do the printing that makes ink-jet heating element heater 21 carry out the ink-jet heating.
See also Figure 10 and Figure 11 and cooperate Fig. 5, it is signal when reverse ink-jet of the signal of ink-jet controlling circuit when reverse ink-jet that be respectively another embodiment of the present invention-time corresponding diagram and address signal-time corresponding diagram.Such as Fig. 5, Figure 10 and shown in Figure 11, ink-jet chip 2 of the present invention is to comprise a plurality of the first switch elements 221, a plurality of second switch element 222 and a plurality of the 3rd switch element 223, and the signal of PRN device output comprises that the first control signal Q1, the second control signal Q2, the 3rd control signal Q3, first select signal S1, second to select signal S2, the first address signal A1, the second address signal A2, the 3rd address signal A3, four-address signal A4, the 5th address signal A5 and the first energy signal to the 20 energy signal P1 ~ P20.In this embodiment, the signal cycle reversed in order of the first address signal to the five address signal A1 ~ A5 only, the circulation of all the other each signals and the mode of action all as hereinbefore, so locate seldom to give unnecessary details.
In sum, the invention provides a kind of ink-jet chip, the ink-jet controlling circuit of the multistage layer that first signal, secondary signal to the n signal that cooperates PRN device to export by the first switch element to the n switch element forms, can reach and use the minimum maximum ink-jet heating element heater of control contact control, reducing cost and to reduce own vol, and then reach the effect of reduction ink jet cartridge volume.
Can think and be to modify right neither taking off such as Protector that attached claim is wanted as all by the personage Ren Shi craftsman who is familiar with this skill even if the present invention has been described in detail by the above embodiments.
Claims (9)
1. ink-jet chip is characterized in that receiving at least one energy signal of PRN device output and at least one first signal, at least one secondary signal at least one n signal, and wherein n is the natural number more than or equal to 3, and this ink-jet chip comprises:
One ink-jet heating element heater receives this energy signal that this PRN device is exported; And
One ink-jet controlling circuit comprises:
The first switch element to the n switch element, wherein:
This first switch element system is electrically connected with this PRN device, receiving this first signal and this secondary signal of this PRN device output, and produces a second switch control signal in response to this first signal and this secondary signal;
This n-1 switch element system is electrically connected with this n-2 switch element and this PRN device, with the n-1 switch controlling signal that receives the output of this n-2 switch element and this n signal of this PRN device output, and produce a n switch controlling signal in response to this n-1 switch controlling signal and this n signal;
N switch element system is electrically connected with this n-1 switch element and this ink-jet heating element heater, to receive this n switch controlling signal of this n-1 switch element output;
Wherein, this ink-jet heating element heater is controlled this n switch element conducting according to this n switch controlling signal and is made this ink-jet heating element heater ground connection after receiving this energy signal of this PRN device output, carries out ink-jet to produce heat effect.
2. ink-jet chip as claimed in claim 1 is characterized in that this first switch element to this n switch element all is field-effect transistor.
3. ink-jet chip as claimed in claim 1 is characterized in that this ink-jet controlling circuit more comprises a plurality of pull down resistors, is electrically connected and ground connection with this first switch element to this n-1 switch element respectively.
4. ink-jet chip as claimed in claim 1 is characterized in that when n equals 3, and this first signal is a control signal, and this secondary signal is a selection signal, and the 3rd signal is an address signal.
5. ink-jet chip as claimed in claim 4 is characterized in that more comprising a drop-down resistance, with signal contact electric connection and the ground connection of this control signal.
6. ink-jet chip as claimed in claim 4 is characterized in that more comprising a drop-down resistance, selects the signal contact of signal to be electrically connected and ground connection with this.
7. ink-jet chip as claimed in claim 4 is characterized in that more comprising a drop-down resistance, with signal contact electric connection and the ground connection of this address signal.
8. ink-jet chip as claimed in claim 1 is characterized in that more comprising a drop-down resistance, is electrically connected and ground connection with this first signal, this secondary signal any one signal contact to this n signal.
9. ink-jet chip as claimed in claim 1 is characterized in that this ink-jet controlling circuit is the control circuit of n-1 stratum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210212936.1A CN102950895B (en) | 2011-08-26 | 2012-06-26 | Ink jetting chip |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110257284.9 | 2011-08-26 | ||
| CN201110257284 | 2011-08-26 | ||
| CN201210212936.1A CN102950895B (en) | 2011-08-26 | 2012-06-26 | Ink jetting chip |
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| CN102950895A true CN102950895A (en) | 2013-03-06 |
| CN102950895B CN102950895B (en) | 2014-12-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017193108A (en) * | 2016-04-20 | 2017-10-26 | 東芝テック株式会社 | Ink jet head and ink jet recording device |
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| US20080001981A1 (en) * | 2004-04-08 | 2008-01-03 | International United Technology Co., Ltd. | Ink jet printhead module and ink jet printer |
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| CN201506085U (en) * | 2009-10-21 | 2010-06-16 | 科诚股份有限公司 | Power control circuit of frequency conversion photo interrupter special for printer |
| CN101848813A (en) * | 2007-09-04 | 2010-09-29 | 惠普开发有限公司 | Fluid ejection device |
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| US5621440A (en) * | 1989-04-28 | 1997-04-15 | Canon Kabushiki Kaisha | Bidirectional recording device and method for producing consistent images |
| CN1426356A (en) * | 2000-03-29 | 2003-06-25 | 莱克斯马克国际公司 | Dual-configurable print head addressing |
| US20080001981A1 (en) * | 2004-04-08 | 2008-01-03 | International United Technology Co., Ltd. | Ink jet printhead module and ink jet printer |
| CN101376282A (en) * | 2007-08-30 | 2009-03-04 | 佳能株式会社 | Printhead and printing apparatus using the printhead |
| CN101848813A (en) * | 2007-09-04 | 2010-09-29 | 惠普开发有限公司 | Fluid ejection device |
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| JP2017193108A (en) * | 2016-04-20 | 2017-10-26 | 東芝テック株式会社 | Ink jet head and ink jet recording device |
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| CN102950895B (en) | 2014-12-17 |
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