CN100450775C - A kind of ink gun and drive method, and printer system of using the ink gun - Google Patents
A kind of ink gun and drive method, and printer system of using the ink gun Download PDFInfo
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- CN100450775C CN100450775C CNB2004101029111A CN200410102911A CN100450775C CN 100450775 C CN100450775 C CN 100450775C CN B2004101029111 A CNB2004101029111 A CN B2004101029111A CN 200410102911 A CN200410102911 A CN 200410102911A CN 100450775 C CN100450775 C CN 100450775C
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000008859 change Effects 0.000 claims description 4
- 238000007639 printing Methods 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000007641 inkjet printing Methods 0.000 abstract 1
- 239000000976 ink Substances 0.000 description 42
- 230000004913 activation Effects 0.000 description 20
- 238000010586 diagram Methods 0.000 description 10
- 238000010304 firing Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
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- Particle Formation And Scattering Control In Inkjet Printers (AREA)
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Abstract
The present invention relates to an ink-jet head, a driving method thereof and a printer system which uses the ink-jet head. A medium is printed by the ink-jet head according to a plurality of first selection signals and a plurality of second selection signals output by an ink-jet printing system. The present invention comprises a plurality of first driving wires coupled with the first selection signals, a plurality of control units which are respectively coupled with a plurality of control signal sets and used for producing a plurality of actuating signals, a plurality of second driving wires coupled with the actuating signals, and a plurality of ink droplet production units in response to the control of the first selection signals and the second actuating signals and used for printing the medium selectively, wherein each control signal set comprises a plurality of the different second selection signals. The present invention can control more ink droplet production units under the condition of same address line number, and the number of I/O connection points of the ink-jet head and the terminals of the printer system can be saved.
Description
Technical field
The present invention is a kind of ink gun and driving method thereof, and a plurality of first selection signals and a plurality of second that this ink gun is exported according to an ink-jet print system are selected signal, and medium are printed.
Background technology
Flourish along with personal computer, printer has become a kind of general equipment, and ink-jet printer is squeezed into ordinary consumer family with its low price and abundant colors, therefore each tame manufacturer delivers many new printing techniques one after another for the print quality that improves its product, and the black generation unit (ink dropletgenerator) that drips of increase ink gun inner control is that its Shen is a kind of with the technology that improves print quality.
Existing control about ink gun (Print Head) dripped the technical of black generation unit number, often be subject to address wire (address line) and pel and select the number of line (primitiveselect line), and address wire selects the number of line to be subject to the I/O pin (I/O pins is hereinafter to be referred as the I/O number) that ink gun is connected with printer with pel.Please refer to Fig. 1.Fig. 1 is the circuit diagram that an existing ink gun inner control is dripped black generation unit.With this circuit diagram is example, and (A1～(PS1～PS3) formed can control 18 and drip black generation unit 11 this circuit diagram A6) to select line with 3 pels by 6 address wires.If according to traditional approach, want to increase dripping 11 of black generation units and must increasing the numbers that address wires and pel are selected line of control, the I/O number that is connected with printer of ink gun also certainly will significantly increase thus.Though process technique progress today, make the number that increases address wire and pel selection line to reach, but writing all for system control or firmware, too much I/O number may cause the situation that to expect, and the increase of I/O number also causes ink gun to connect the address wire of printer system and the contact increase that pel is selected line, also can make the easier generation of situation of loose contact and the too much puzzlement of connectivity port contact.Therefore how controlling maximum black generation units in limited address wire and pel selection line is an important motivation of the present invention.
Please refer to Fig. 2.Fig. 2 is a circuit framework figure of US Pat.NO.6176569 patent.This patent is to utilize the idea of block (Bank), all are dripped black generation unit be distinguished into 2 blocks, utilize two tile line that add (Bank line) again, tile line 1 and tile line 2 are controlled, and make to control the more black generation unit that drips under the situation of similar number address wire.The enforcement of this patent is series connection one MOS switch on address wire, and all in the same block are connected to the grid of the MOS switch of being connected on the address wire of dripping black generation unit all by identical tile line control, in the control of each black generation unit except original address wire and pel are selected line, the switch input of the tile line of also must arranging in pairs or groups, just can make the signal of address wire be input to the grid of MOS, make that dripping a black generation unit drips China ink (firing).The number that utilizes this mode only to need to increase tile line just can make the black generation unit number that drips of ink gun control become multiple to increase.
Though yet above-mentioned patent can increase the black generation unit number that ink gun is controlled, and is main mode to increase external circuit still, has not only increased the I/O number, also cause in system's control comparatively complicated.If there is any tile line fault to damage, then cause a black generation unit of whole block to use, also bear higher risk during fabrication for manufacturer.Therefore be desirable to provide a kind of not increasing under the I/O number, control the more method and the circuit that drip black generation unit of more number with existing address wire.
Summary of the invention
Purpose of the present invention is not increasing under the I/O number for providing a kind of, controls the more method and the circuit that drip black generation unit of more number with existing address wire.
The present invention is a kind of ink gun, selects signal according to a plurality of first selection signals and a plurality of second that an ink-jet print system is exported, and medium are printed, and comprising: a plurality of first drive wires couple these first selection signals; A plurality of control modules couple a plurality of control signal groups respectively, in order to produce a plurality of actuated signals; Wherein, each these control signal group comprises a plurality of these different second selection signals; A plurality of second drive wires couple these actuated signals; And a plurality of black generation units, respond the control of these first selection signals and these actuated signals, optionally these medium are printed.
Ink gun of the present invention, each this control module has a plurality of inputs and an output, and this control module is to be formed by one or more switch element serial connection, and this input of this control module and the control end of this switch element couple this second selection signal in the corresponding control signal group respectively.
Ink gun of the present invention, this switch element is made of transistor.
Ink gun of the present invention, this second selection signal is an address signal.
The present invention provides a kind of printer system in addition, and described printer system comprises: a main control unit, in order to handle the data that will print; One ink gun driver element receives this print data that this main control unit is sent, and exports a plurality of first and selects signal and second to select signal; One ink gun is selected signal according to a plurality of first selection signals and a plurality of second that this ink gun driver element is exported, and medium are printed, and this ink gun comprises: a plurality of first drive wires couple this first selection signal; A plurality of control modules couple a plurality of control signal groups respectively, in order to produce a plurality of actuated signals; Wherein, each this control signal group comprises a plurality of these different second selection signals; A plurality of second drive wires couple this actuated signal; And a plurality of black generation units, respond the control of this first selection signal and this actuated signal, optionally these medium are printed.
The present invention also provides the driving method that drips black generation unit in a kind of ink gun, in order to increase the control number that drips black generation unit, a plurality of first selection signals and a plurality of second that this ink gun is exported according to an inkjet printer system are selected signal, one medium are printed, this ink gun comprises a plurality of first drive wires, a plurality of second drive wire and a plurality of low black generation unit, and this method comprises the following steps: to apply these first selection signals to these corresponding first drive wires; Provide a plurality of control signal groups, in order to produce a plurality of actuated signals; Wherein, each these control signal group comprises a plurality of these different second selection signals; And apply these actuated signals to these second drive wires, and make these black generation units respond the control of these first selection signals and these actuated signals, optionally these medium are printed.
Ink jet head driving method of the present invention, in each this control signal group, this second selection signal can not change low level into by high level simultaneously.
The present invention can control a more black generation unit under identical address wire number, and the I/O number of contacts that can save ink gun and printer system end.
Description of drawings
Fig. 1 is the circuit diagram that an existing ink gun inner control is dripped black generation unit;
Fig. 2 is a circuit framework figure of US Pat.NO.6176569 patent;
Fig. 3 is the circuit diagram of first embodiment of the present invention;
Fig. 4 is for driving the signal waveforms of Fig. 3 ink-jet head circuit;
Fig. 5 is the circuit diagram of second embodiment of the present invention;
Fig. 6 is for driving the signal waveforms of Fig. 5 ink-jet head circuit;
Fig. 7 is for using a printer system architecture diagram of the present invention.
The specific embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, cited below particularlyly go out preferred embodiment of the present invention, and cooperate appended graphicly, be described in detail below:
Please refer to Fig. 3.Fig. 3 is the circuit diagram of first embodiment of the present invention.This circuit is for utilizing and 6 address wires of Fig. 1 similar number (A1～A6), utilize two address wires to decipher out 15 actuated signals (C1～C15), 3 pels of arranging in pairs or groups are again selected lines, and (PS1～PS3) controls and drips a black generation unit, controllable black generation unit number brought up to 45 after using the present invention, and 18 numbers that drip black generation unit are also many than controlling in Fig. 1 circuit.Actuated signal is C1. (A2 in regular turn among Fig. 3, A1), C2. (A3, A1), C3. (A4, A1), C4. (A5, A1), C5. (A6, A1), C6. (A3, A2), C7. (A4, A2), C8. (A5, A2), C9. (A6, A2), C10. (A4, A3), C11. (A5, A3), C12. (A6, A3), C13. (A5, A4), C14. (A6, A4), C15. (A5, A6), the address wire on last tabulation bracket right side connects the grid (Gate) of MOS transistor, and the address wire in bracket left side connects the drain electrode (Drain) of MOS transistor.In printer system when running, be activation actuated signal C1～C15 sequentially, and represent that droplet black generation unit of its correspondence drip China ink (Firing) if when pel selects the signal of the last transmission of line PS1～PS3 to be High this moment.To drip a black generation unit 31 is example, and when address wire A1 and A2 activation make actuated signal C1 activation, also during activation, then this black generation unit 31 just drips China ink (Firing) to pel selection this moment line PS1.
For the above-mentioned signalizing activity of clearer expression, please refer to Fig. 4.Fig. 4 is for driving the signal waveforms of Fig. 3 ink-jet head circuit, and A1～A6 is the signal of address wire, and PS1～PS3 is the signal that pel is selected line.When address wire A1 activation, address wire A2～A6 is enabled sequentially, and its time that is enabled is an activation period T
e(A2, in activation cycle A1) (that is activation cycle of actuated signal C1), PS1 and PS3 holding wire are High, (A2 A1) just can drip China ink with the black generation unit that PS1 is connected with PS3 to actuated signal C1. at this moment.Continue Fig. 4, actuated signal C5. (A6, behind activation end cycle A1), to actuated signal C6. (A3, can produce between A2) one time delay T
dThis is because the ink gun control module needs the drain electrode OFF that earlier address wire A6 is connected to fall, then address wire A1 just can be by OFF, this is to be avoided when (A6 A1) the A6 electric charge can take place simultaneously during OFF and accumulate in ink gun a period of time and just can dissipate, and causes when printing and makes a mistake.Same situation C9. (A6, A2), C12. (A6, A3), C14. (A6, A4) and C15. (A5 also is to need earlier transistor drain OFF to be fallen A6), just will connect the address wire OFF of transistor gate.So from C1. (A2, activation cycle A1) begin until C15. (A5, A6) in address wire A6 fallen by OFF, the such time just is called a printing interval T
P, printer system just repeats such printing interval when printing, finish up to print job.
By knowing printing interval T among this embodiment in the foregoing description
PLength be 15 activation period T
eAdd 5 time delay T
d(T
P=15T
e+ 5T
d).For the efficient that makes printing is more perfect, the invention provides second embodiment, in order to solve the problem that causes time delay.Please refer to Fig. 5, Fig. 5 is the circuit diagram of second embodiment of the present invention.(A1～A6), (C1～C15), 3 pels of arrange in pairs or groups select lines, and (PS1～PS3) controls a black generation unit 51 to this circuit to utilize two address wires to decipher out 15 actuated signals with 6 address wires of Fig. 1 similar number in order to utilize.Actuated signal is C1. (A2 in regular turn among Fig. 5, A1), C2. (A3, A1), C3. (A4, A1), C4. (A5, A1), C5. (A1, A6), C6. (A2, A6), C7. (A3, A6), C8. (A4, A6), C9. (A6, A5), C10. (A2, A5), C11. (A3, A5), C12. (A5, A4), C13. (A2, A4), C14. (A4, A3), C15. (A2, A3), the address wire on last tabulation bracket right side connects the grid (Gate) of MOS transistor, and the address wire in bracket left side connects the drain electrode (Drain) of MOS transistor.In printer system when running, be activation actuated signal C1～C15 sequentially, and represent that droplet black generation unit of its correspondence drip China ink (Firing) if when pel selects the signal of the last transmission of line PS1～PS3 to be High this moment.Please note that on circuit design ((A6 is connected to transistorized grid to C5. for A6, design A1), and address wire A1 is connected to transistor drain to change original actuated signal C5. among second embodiment for A1, design A6).Behind the activation end cycle of actuated signal C5, the direct OFF of A1, and A6 is continuously ON and continues and address wire A2～A5 activation actuated signal C6～C9.Same situation also occur in C9. (A6, A5), C12. (A5, A4), C14. (A4, A3), C15. (A2, A3).
For the above-mentioned signalizing activity of clearer expression, please refer to Fig. 6.Fig. 6 is for driving the signal waveforms of Fig. 5 ink-jet head circuit, and A1～A6 is the signal of address wire, and PS1～PS3 is the signal that pel is selected line.When address wire A1 activation, address wire A2～A5 is enabled sequentially.(A2, in activation cycle A1) (that is activation cycle of actuated signal C1), PS1 and PS3 holding wire are High, (A2 A1) just can drip China ink with the black generation unit that PS1 is connected with PS3 to actuated signal C1. at this moment.Continue Fig. 6, actuated signal C5. (A1, behind activation end cycle A6), address wire A1 is by OFF, A6 is continuously ON, and with address wire A2～A5 activation actuated signal C6～C9.Can find by signal waveforms, because change original actuated signal C5. (A6, A1) design, make behind the activation end cycle of actuated signal C5, address wire A1 then is ON by OFF address wire A6, so just can reach the problem of eliminating time delay by the arrangement mode that changes address wire, make each printing interval time (T that shortens
P=15T
e), improve printing effect.
Fig. 7 is for using a printer system architecture diagram of the present invention.Wherein control module 71 is after receiving print data, with print data convert to meet the form that printer supports after, see through data wire and send ink gun driver element 72 to.The print data that this moment, ink gun driver element 72 transmitted according to control module 71, convert thereof into pel and select signal and address signal, be sent to corresponding drive wire on the ink gun 73 respectively, the black generation unit on the control ink gun 73 produces it and prints action.
Can learn that by the foregoing description the present invention has following advantage:
1, can under identical address wire number, control the more black generation unit that drips.
2, save the I/O number of contacts of ink gun and printer system end.
The above only is preferred embodiment of the present invention; so it is not in order to limit scope of the present invention; any personnel that are familiar with this technology; without departing from the spirit and scope of the present invention; can do further improvement and variation on this basis, so the scope that claims were defined that protection scope of the present invention is worked as with the application is as the criterion.
Being simply described as follows of symbol in the accompanying drawing:
11,31, a 51～black generation unit
71～control module
72～ink gun driver element
73～ink gun
Claims (7)
1, a kind of ink gun is characterized in that a plurality of first selection signals and a plurality of second selection signal that described ink gun is exported according to an ink-jet print system, and medium are printed, and comprising:
A plurality of first drive wires couple this first selection signal;
A plurality of control modules couple a plurality of control signal groups respectively, in order to produce a plurality of actuated signals; Wherein, each this control signal group comprises a plurality of these different second selection signals;
A plurality of second drive wires couple this actuated signal; And
A plurality of black generation units respond the control of this first selection signal and this actuated signal, optionally these medium are printed.
2, ink gun according to claim 1 is characterized in that:
Each this control module has a plurality of inputs and an output, and this control module is to be formed by one or more switch element serial connection, and this input of this control module and the control end of this switch element couple this second selection signal in the corresponding control signal group respectively.
3, ink gun according to claim 2 is characterized in that:
This switch element is made of transistor.
4, ink gun according to claim 1 is characterized in that:
This second selection signal is an address signal.
5, a kind of printer system is characterized in that described printer system comprises:
One main control unit is in order to handle the data that will print;
One ink gun driver element receives this print data that this main control unit is sent, and exports a plurality of first and selects signal and second to select signal;
One ink gun is selected signal according to a plurality of first selection signals and a plurality of second that this ink gun driver element is exported, and medium are printed, and this ink gun comprises:
A plurality of first drive wires couple this first selection signal;
A plurality of control modules couple a plurality of control signal groups respectively, in order to produce a plurality of actuated signals; Wherein, each this control signal group comprises a plurality of these different second selection signals;
A plurality of second drive wires couple this actuated signal; And
A plurality of black generation units respond the control of this first selection signal and this actuated signal, optionally these medium are printed.
6, a kind of ink jet head driving method, it is characterized in that described ink jet head driving method is in order to increase the control number that drips black generation unit in this ink gun, a plurality of first selection signals and a plurality of second that this ink gun is exported according to an inkjet printer system are selected signal, one medium are printed, this ink gun comprises a plurality of first drive wires, a plurality of second drive wire and a plurality of black generation units, and this method comprises the following steps:
Apply this first selection signal to this correspondence first drive wire;
Provide a plurality of control signal groups, in order to produce a plurality of actuated signals; Wherein, each this control signal group comprises a plurality of these different second selection signals; And
Apply this actuated signal to this second drive wire, make this black generation unit respond the control of this first selection signal and this actuated signal, optionally these medium are printed.
7, ink jet head driving method according to claim 6 is characterized in that:
In each this control signal group, this second selection signal can not change low level into by high level simultaneously.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004101029111A CN100450775C (en) | 2004-12-30 | 2004-12-30 | A kind of ink gun and drive method, and printer system of using the ink gun |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004101029111A CN100450775C (en) | 2004-12-30 | 2004-12-30 | A kind of ink gun and drive method, and printer system of using the ink gun |
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| Publication Number | Publication Date |
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| CN1796123A CN1796123A (en) | 2006-07-05 |
| CN100450775C true CN100450775C (en) | 2009-01-14 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102442066B (en) * | 2010-09-30 | 2014-06-25 | 研能科技股份有限公司 | Ink jet unit set |
| CN102485486B (en) * | 2010-12-02 | 2014-09-10 | 研能科技股份有限公司 | Ink jet unit group |
| US9889647B2 (en) | 2014-01-31 | 2018-02-13 | Hewlett-Packard Development Company, L.P. | Interdigitated primitives |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6176569B1 (en) * | 1999-08-05 | 2001-01-23 | Lexmark International, Inc. | Transitional ink jet heater addressing |
| US6431677B1 (en) * | 2000-06-08 | 2002-08-13 | Lexmark International, Inc | Print head drive scheme |
| JP2002248768A (en) * | 2001-02-14 | 2002-09-03 | Macroblock Inc | Circuit for driving heater of ink jet printing head and device employing the circuit |
| US6712439B1 (en) * | 2002-12-17 | 2004-03-30 | Lexmark International, Inc. | Integrated circuit and drive scheme for an inkjet printhead |
-
2004
- 2004-12-30 CN CNB2004101029111A patent/CN100450775C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6176569B1 (en) * | 1999-08-05 | 2001-01-23 | Lexmark International, Inc. | Transitional ink jet heater addressing |
| US6431677B1 (en) * | 2000-06-08 | 2002-08-13 | Lexmark International, Inc | Print head drive scheme |
| JP2002248768A (en) * | 2001-02-14 | 2002-09-03 | Macroblock Inc | Circuit for driving heater of ink jet printing head and device employing the circuit |
| US6712439B1 (en) * | 2002-12-17 | 2004-03-30 | Lexmark International, Inc. | Integrated circuit and drive scheme for an inkjet printhead |
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| CN1796123A (en) | 2006-07-05 |
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