CN100363180C - Ink-jet printing head identification system for printer possessing circular counter and programmed circuit - Google Patents
Ink-jet printing head identification system for printer possessing circular counter and programmed circuit Download PDFInfo
- Publication number
- CN100363180C CN100363180C CNB200410101206XA CN200410101206A CN100363180C CN 100363180 C CN100363180 C CN 100363180C CN B200410101206X A CNB200410101206X A CN B200410101206XA CN 200410101206 A CN200410101206 A CN 200410101206A CN 100363180 C CN100363180 C CN 100363180C
- Authority
- CN
- China
- Prior art keywords
- ink
- circuit
- information
- printer
- printing head
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The present invention discloses an identification system for an ink-jet printing head of a printer, which is used for recording the information of the ink-jet printing head and sending the information to a controller of an ink-jet printer through electronic circuits. The present invention comprises one or a plurality of ring-type counters and programming circuits which are integrated to chips of the ink-jet printing head, wherein each ring-type counter has a main function of controlling output time pulse information, and each programming circuit is used for recording the identification information of the ink-jet printing head in a digital code modality. In one living example, a plurality of ring-type counters and programming circuits receive control signals from the printer, and the information of each programming circuit can be output to the electronic circuits of the printer in a serial mode through continuous sequential time pulses of address lines.
Description
Technical field
The present invention relates to a kind of recognition system, particularly relevant for a kind of ink-jet printing head identification system of printer, in order to the information of record ink jet-print head and offer the controller of ink-jet printer by electronic circuit.The ink-jet printing head identification system of this printer comprises one or more circular counter and programmed circuits that are integrated into inkjet printhead chip.
Background technology
The main operating principle of ink-jet printer is divided into two kinds: hot bubble type and piezoelectric type.Hot bubble type is to utilize heating resistor with ink moment gasification, produces high pressure bubble promotion ink and is penetrated and fallen within on the printed medium by nozzle.Piezoelectric type is to utilize piezoelectric ceramics to produce deformation because of applying voltage, and extruding liquid produces high pressure and liquid is sprayed.The technology that hot bubble type and piezoelectric ink jet method all are regarded as a kind of " having needs just ink-jet " is just only just sprayed ink droplet from the ink-jet printhead when the needs ink-jet.
For manufacturing cost and the complexity that reduces ink-cases of printers, except in the model of print cartridge or do not contain the color inks, all usually print cartridges are all made identical construction, therefore increase the degree of difficulty of these print cartridges of identification greatly.Especially in the ink-jet printer of many colors, often have a plurality of print cartridges, thus the controller of these ink-jet printers need by print cartridge provide parameter for controller identification with handle, these parameters comprise number of print cartridge kind, structure, resolution ratio and nozzle or the like.
In the known technology in past, done many trials recognition system had been implemented in the inkjet printhead chip.Be over known printer system calcspar as shown in Figure 1.Identification circuit 16 and main electronic circuit controller 12, inkjet print head driver circuit 13, ink jet-print head resistance array 14 and temperature sensing circuit 15.Working method is for to send digital information to inkjet print head driver circuit 13 by controller 12 by bus 20.Afterwards, this digital information is converted to analog pulse by inkjet print head driver circuit 13 on drive wire 17, and inkjet print head driver circuit is to be made of multiplexer, the adjustment of accurate position and output buffer, and is used for producing analog pulse.This analog pulse is in order to provide time enough and energy to go to add the ink on the hot ink-jet print head resistance array 14.In theory, bus 20 comprises the address wire and the power line of having programmed, and regard row by the address wire that inkjet print head driver circuit 13 is exported, power line as row constitute the matrix unit number and ink jet-print head resistance array 14 heating unit numbers are suitable, just after decoding, this matrix unit number must be more than or equal to the number at the heating resistor of ink jet-print head resistance array.
Ink jet-print head 11 comprises ink jet-print head resistance array 14, identification circuit 16 and temperature sensing circuit 15.Analog pulse information reaches ink jet-print head resistance array 14 so that ink gun work by drive wire 17, this information also reaches on the identification circuit 16 by coupling circuit 18 simultaneously, is integrated in the data back controller 12 of the interior temperature sensing circuit 15 of inkjet printhead chip with the ink jet-print head temperature in addition.The output 19 of identification circuit 16 and temperature sensing circuit 15 is to share same weld pad and multitask.
Fig. 2 is known four recognition system circuit diagrams.This figure is four address drive wires 17 of icon only, comprise A1 to A4, and the number of this address drive wire is relevant with row address line number in the ink jet-print head resistance array 14.This recognition system comprises a series of programmable paths 18, and each bar in this path all comprises programmable fuse and active device.This programmable fuse F1 and F2 be by the light shield definition in theory, and programmable fuse F3 and F4 are defined by programmable circuit by compound crystal silicon or similar suitable material.And initiatively device is field-effect transistor (Field Effect Transistor) Q1-Q4, and itself and programmable fuse serial constitute a digital code.This digital code is produced by active device Q1-Q4, offers the ink-jet printer relevant parameter and comprises number of print cartridge kind, structure, resolution ratio and nozzle or the like.Second end points of programmable paths is the drain electrode end of receiving field-effect transistor, the grid of the output transistor Q6 of drain electrode of its output termination, anti-phase usefulness in order to the field-effect transistor Q5 of discharge usefulness, and output S is connected to the controller of printer then.
Because the identification circuit of manufacturing needs to be defined by light shield and programmable circuit in this way, too complicated and expensive, therefore need a kind of comparatively cheap and efficient mode and produce this identification circuit.
Summary of the invention
Purpose of the present invention is providing a kind of ink-jet printing head identification system of printer, temperature sensing circuit and recognition system (containing circular counter and programmed circuit) are integrated into one chip, the relevant information that ink jet-print head is provided prevents that to controller the overheated situation of ink jet-print head from taking place.
Of the present invention time a purpose is providing a kind of ink-jet printing head identification system of printer, temperature sensing circuit and recognition system (containing circular counter and programmed circuit) are integrated into one chip, need not to define,, reduce the cost to simplify circuit by light shield and programmable circuit.
For reaching above-mentioned purpose and other purpose, first viewpoint of the present invention provides a kind of ink-jet printing head identification system of printer, in order to method and the structure of recognition device in the ink jet-print head of ink-jet printer.According to embodiments of the invention, the ink jet-print head that is used in ink-jet printer is the integrated circuit of a single-chip, comprises ink jet-print head resistance array and corresponding row address line, the selection of row power supply line, temperature sensing circuit and recognition system.Row address line is in order to transmission information, and this information is to transfer to ink jet-print head resistance array by controller, inkjet print head driver circuit.
Recognition system receives several clock pulse information from row address line at least, and this system is integrated among the inkjet printhead chip, comprises circular counter and coding circuit.Have only first position to be set to logic " 1 " in the circular counter, all the other all are set to logic " 0 ", the clock pulse information that transmits by row address line can circulate in this state of logic " 1 " transmission in the ring successively, therefore so long as the position of logic " 1 ", can read the digital code at address programming circuit place.
Programmed circuit is to utilize the active device to programme, and the active device is field-effect transistor normally, if field-effect transistor source electrode termination power end is logic " 1 ", otherwise the earth terminal of source terminal is logic " 0 ".The output of programmed circuit connects one in order to the field-effect transistor of discharge usefulness and the output transistor of anti-phase usefulness, and output S is connected to the controller of printer.This exit point be with inkjet printhead chip in temperature sensing circuit share.
According to embodiments of the invention, the recognition system in the ink jet-print head offers ink-jet printer identification with identifying information and uses.This integrated circuit comprises ink jet-print head resistance array and corresponding row address line, the row power supply is selected line, temperature sensing circuit and recognition system.Row address line is except that the drive circuit and the information between the ink jet-print head resistance array of transmission ink jet-print head, and other provides a plurality of clock pulse information to control the running of the circular counter in the recognition system.Circular counter is in order to the programming information of having set the output of control programming electric circuit.The output of this output information and temperature sensing circuit is shared, and with multitask mode identifying information is passed back in the controller of printer.
Description of drawings
Fig. 1 is known printer system calcspar;
Fig. 2 is known four recognition system circuit diagrams;
Fig. 3 is the printer system calcspar that shows according to embodiments of the invention;
Fig. 4 is four recognition system circuit diagrams that show according to embodiments of the invention;
Fig. 5 is circular counter logic " 1 " circuit diagram that shows according to embodiments of the invention;
Fig. 6 is circular counter logic " 0 " circuit diagram that shows according to embodiments of the invention.
The specific embodiment
Embodiments of the invention as shown in Figure 3.Whole ink-jet printer comprises two parts, and one is printer (not containing ink jet-print head) 10, and another is the ink jet-print head 11 of single-chip.Printer 10 partly comprises controller 12 and inkjet print head driver circuit 13; Controller 12 is to send digital information to inkjet print head driver circuit 13 by bus 20 the related data order of printing; And the printing related data command conversion that inkjet print head driver circuit 13 receives self-controller 12 becomes the simulation pulse wave information of appropriate formatization, this simulation pulse wave is deciphered by multitask, to simulate pulse wave information through each row address line 17 and reach ink jet-print head resistance array 14, this simulation time width of pulse wave and voltage level are enough to make the ink of resistance top to be heated to boiling and to produce bubble, thereby order about ink and go out by nozzle ejection.
Because what various ink jet-print heads had a different resistance values adds hot ink-jet print head resistance array, therefore need different simulation pulse wave information, therefore must provide the relevant information of ink jet-print head to controller by the output electronic circuit.And this kind information is quite important to printer, its help controller readjust the simulation pulse wave make it to be applicable to specific ink jet-print head.Therefore as shown in Figure 3, comprise temperature sensing circuit 15 and recognition system (containing circular counter 22 and programmed circuit 23), all the information of ink jet-print head is reached controller by multitask and total output line 19.Usually ink jet-print head resistance array 14, its corresponding row address line 17, row power line (not coming across among the figure), temperature sensing circuit 15 and recognition system (containing circular counter 22 and programmed circuit 23) are integrated into one chip.Temperature sensing circuit 15 is a resistance normally, material is metal or compound crystal silicon, purpose is the temperature when being used for 11 printings of sensing inkjet printhead chip, and this analog information is offered the situation generation that controller 12 prevents that ink jet-print head is overheated by output line 19.
Fig. 4 is the circuit diagram embodiment of four recognition systems, this recognition system is the pulse wave information that receives inkjet print head driver circuit 13 by at least three address wires 17, and this pulse wave information can allow the logic " 1 " of circular counter 22 and logic " 0 " in proper order and moving of going round and beginning again.Fig. 5 is logic " 1 " circuit diagram of circular counter, when input pulse wave information adds to transistor Q7 by address wire A3, can make transistor Q7 conducting, the IN end can be after transistor Q7 closes, because the effect of the grid parasitic capacitance of input transistors Q9, the voltage level of input transistors Q9 will remain on high-voltage level.This level will be transferred to output O/OUT from the IN end by the pulse wave of A1/A2.When the pulse wave of A1 with transistor Q8/Q10 conducting, then the transistor Q9 high-voltage level of IN end will make the grid of transistor Q12 low voltage level occur, the pulse wave of A2 is with transistor Q11/Q13 conducting subsequently, then the grid low-voltage level of transistor Q12 will make output O/OUT high-voltage level occur, output OUT wherein is connected on the grid of programming unit transistor Q1 of programmed circuit, purpose is that the digital code of programming unit transistor Q1 is read, with transistor Q1, its source electrode is to meet voltage source V DD, so digital code is logic " 1 ".As Fig. 6 is logic " 0 " circuit diagram of circular counter, the digital code of transistor Q1 read after, and then the pulse wave of A1 is with logic " 0 " the transistor Q8/Q10 conducting of circular counter next stage, then the transistor Q9 low voltage level of IN end will make the grid of transistor Q12 high-voltage level occur, the pulse wave of A2 is with transistor Q11/Q13 conducting subsequently, then the grid high-voltage level of transistor Q12 will make output O/OUT low voltage level occur, therefore can't read its corresponding digital code.In the whole circular counter unit, except that first unit was logic " 1 ", all the other all were logic " 0 ", therefore also only the digital code of first cellular logic " 1 " place programming unit just can be read out, all the other all are logic " 0 ", can't read its digital code.Basically in programmed circuit 23, each circular counter unit is programming unit Q1-Q4 of correspondence all.At output termination field-effect transistor Q5, output transistor Q6 of anti-phase usefulness of programmed circuit in order to discharge usefulness, then with temperature sensing circuit 15, multitask and the shared output S that is connected to printer.
By the detailed description of above preferable specific embodiment, be to wish know more to describe feature of the present invention, and be not that disclosed preferred embodiments is come category of the present invention is limited with spiritual.Opposite, its objective is that hope can contain the variation of various changes and tool equality all in claim of the present invention.
Claims (3)
1. integrated ink gun single-chip is characterized in that: comprise at least:
An ink gun resistance array comprises a series of resistance unit and active device;
A series of row address line and row power line are in order to select specific resistance unit;
A temperature sensing circuit is in order to the temperature of detecting ink gun single-chip;
A recognition system, in order to the kind of identification ink gun, this recognition system comprises the circular counter of multidigit and the programmed circuit of multidigit through setting, the control signal that transmits in order to the responsive trip address wire and with programming information in proper order be sent to output line.
2. integrated ink gun single-chip as claimed in claim 1 is characterized in that: the control information that described row address line transmits comprises at least three clock pulse information.
3. integrated ink gun single-chip as claimed in claim 1 is characterized in that: the output of described programmed circuit is to receive a discharge initiatively device and an anti-phase active device, and this output line is with the output line multitask of temperature sensing circuit and shares.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200410101206XA CN100363180C (en) | 2004-12-15 | 2004-12-15 | Ink-jet printing head identification system for printer possessing circular counter and programmed circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200410101206XA CN100363180C (en) | 2004-12-15 | 2004-12-15 | Ink-jet printing head identification system for printer possessing circular counter and programmed circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1789000A CN1789000A (en) | 2006-06-21 |
| CN100363180C true CN100363180C (en) | 2008-01-23 |
Family
ID=36787196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200410101206XA Expired - Fee Related CN100363180C (en) | 2004-12-15 | 2004-12-15 | Ink-jet printing head identification system for printer possessing circular counter and programmed circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100363180C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114274675B (en) * | 2021-12-29 | 2023-06-27 | 深圳印核微电子有限公司 | Programmable ink jet print head driving chip |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5363134A (en) * | 1992-05-20 | 1994-11-08 | Hewlett-Packard Corporation | Integrated circuit printhead for an ink jet printer including an integrated identification circuit |
| CN1098162C (en) * | 1995-09-27 | 2003-01-08 | 莱克斯马克国际公司 | Ink jet print head identification circuit with serial out, dynamic shift registers |
| CN1403275A (en) * | 2001-08-29 | 2003-03-19 | 国际联合科技股份有限公司 | Identification circuit for jet printer |
| CN1521004A (en) * | 2003-01-27 | 2004-08-18 | 国际联合科技股份有限公司 | Ink-jet printing head identification circuit and method thereof |
| CN1532059A (en) * | 2003-03-18 | 2004-09-29 | 国际联合科技股份有限公司 | Identifying circuit of ink jet form printing head and method |
-
2004
- 2004-12-15 CN CNB200410101206XA patent/CN100363180C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5363134A (en) * | 1992-05-20 | 1994-11-08 | Hewlett-Packard Corporation | Integrated circuit printhead for an ink jet printer including an integrated identification circuit |
| CN1098162C (en) * | 1995-09-27 | 2003-01-08 | 莱克斯马克国际公司 | Ink jet print head identification circuit with serial out, dynamic shift registers |
| CN1403275A (en) * | 2001-08-29 | 2003-03-19 | 国际联合科技股份有限公司 | Identification circuit for jet printer |
| CN1521004A (en) * | 2003-01-27 | 2004-08-18 | 国际联合科技股份有限公司 | Ink-jet printing head identification circuit and method thereof |
| CN1532059A (en) * | 2003-03-18 | 2004-09-29 | 国际联合科技股份有限公司 | Identifying circuit of ink jet form printing head and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1789000A (en) | 2006-06-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6022094A (en) | Memory expansion circuit for ink jet print head identification circuit | |
| US6478396B1 (en) | Programmable nozzle firing order for printhead assembly | |
| CN1154607A (en) | Ink jet print head identification circuit with serial out, dynamic shift registers | |
| EP0916503B1 (en) | Head, recording apparatus having the head, method for identifying the head | |
| JPH07290707A (en) | Recording head, printer using the same and printing method | |
| US6523922B2 (en) | Printhead as well as printing apparatus comprising such printhead | |
| CN100548683C (en) | Head substrate, printhead, a box and PRN device | |
| US7267429B2 (en) | Ink-jet printhead substrate, driving control method, ink-jet printhead and ink-jet printing apparatus | |
| US7198348B2 (en) | Inkjet printer identification circuit | |
| CN100363180C (en) | Ink-jet printing head identification system for printer possessing circular counter and programmed circuit | |
| JP3372768B2 (en) | Recording head and recording apparatus using the recording head | |
| TWI727534B (en) | Integrated circuit for a print component and method for communicating stored data from an integrated circuit | |
| JP4785375B2 (en) | Inkjet recording head substrate, recording head, head cartridge, and recording apparatus | |
| JP5031455B2 (en) | Element substrate for recording head, recording head, and recording apparatus using the recording head | |
| CN100371174C (en) | Recording apparatus and control method recording head and element base body for recording head | |
| CN101190603B (en) | Three-dimensional type ink-jet driving circuit and ink-jet driving matrix circuit | |
| JP3997217B2 (en) | Inkjet recording head substrate, drive control method, inkjet recording head, and inkjet recording apparatus | |
| EP1561587B1 (en) | Inkjet printer identification circuit | |
| US8322809B2 (en) | Recording head and recording apparatus using recording head | |
| JP3517612B2 (en) | Ink jet recording head and recording device | |
| JPH106505A (en) | Carriage mounted printed circuit assembly having pen driver and power circuit incorporated therein | |
| TWI241957B (en) | Inkjet printhead identification system with ring oscillator, coding circuit | |
| JPH09174847A (en) | Recorder | |
| CN102463753B (en) | Ink jetting unit group | |
| CN102485486B (en) | Ink jet unit group |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080123 Termination date: 20101215 |