CN111923606A - Printer and printing method - Google Patents
Printer and printing method Download PDFInfo
- Publication number
- CN111923606A CN111923606A CN202010616185.4A CN202010616185A CN111923606A CN 111923606 A CN111923606 A CN 111923606A CN 202010616185 A CN202010616185 A CN 202010616185A CN 111923606 A CN111923606 A CN 111923606A
- Authority
- CN
- China
- Prior art keywords
- data output
- output end
- heating
- output ends
- high level
- 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.)
- Granted
Links
Images
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
- B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
- B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
- B41J2/35—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads providing current or voltage to the thermal head
- B41J2/355—Control circuits for heating-element selection
- B41J2/3558—Voltage control or determination
-
- 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
- B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
- B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
- B41J2/35—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads providing current or voltage to the thermal head
- B41J2/355—Control circuits for heating-element selection
Abstract
The present invention provides a printer, including: the controller comprises M data output ends, and each data output end corresponds to a plurality of preset heating points; the level output by the M data output ends is controlled and the strobe pulse signal is controlled, so that a high level is sent to a heating point corresponding to one data output end each time; acquiring a voltage value through sampling by a sampling end, and judging whether a heating point which should receive a high level currently exists on a head chip or not according to the voltage value; acquiring the effectiveness of each data output end according to the existence states of the heating points corresponding to the M data output ends; and acquiring the bus bits of the head sheet according to the effectiveness of the M data output ends, and simply and efficiently identifying the data bus bits of the thermal printing head sheet based on the invention.
Description
Technical Field
The invention relates to the field of buses, in particular to a printer.
Background
The control signals of the thermal print head include clock clk, input data DIN, output data DOUT, Latch, and heat Strobe signals, the number of bits of the data bus is different for different print heads, for example, there are various bus bits such as 1, 2, 4, etc., and it is important to identify the number of bits of the data bus of the head chip simply and efficiently for a product that needs to be compatible with various print heads.
In the prior art, the type of the head piece can be identified by adding an electric signal generated by a circuit on the board, and the head piece is matched in advance according to the board during production or use, so that the process is complicated.
In addition, the control can be realized by matching different programs with different head slices, but the maintenance versions are many, and the maintenance is very difficult.
In view of this, the present application is presented.
Disclosure of Invention
The printer aims to simply and efficiently identify the data bus bit number of the thermal printing head chip.
An embodiment of the present invention provides a printer, including: the controller comprises M data output ends, and each data output end corresponds to a plurality of preset heating points; wherein:
the controller is configured to implement the following steps by executing a computer program stored therein:
the level output by the M data output ends is controlled and the strobe pulse signal is controlled, so that a high level is sent to a heating point corresponding to one data output end each time;
sampling by a sampling end to obtain a voltage value, and judging whether a heating point which should receive a high level currently exists on the head chip or not according to the voltage value;
acquiring the effectiveness of each data output end according to the existence states of the heating points corresponding to the M data output ends; and
and acquiring the bus bit number of the head chip according to the effectiveness of the M data output ends.
Preferably, the sending of the high level to one heating point corresponding to one data output end each time by controlling the levels output by the M data output ends specifically includes:
setting the current data output end to be at a high level, setting the rest M-1 data output ends to be at a low level, and outputting a gating pulse to a plurality of heating points corresponding to the current data output end through a gating pulse output end of the controller so that the plurality of heating points corresponding to the current data output end are sequentially connected to a power supply.
Preferably, the sampling by the sampling terminal to obtain a voltage value, and determining whether a heating point that should receive a high level currently exists on the leading piece according to the voltage value specifically includes:
calculating a first ratio of the voltage value to a power supply voltage;
calculating a second ratio of the resistance value of the heating point to the sum of the resistance values of the heating point and the voltage dividing resistor;
judging whether the difference between the first ratio and the second ratio is within a preset range;
if yes, judging that the heating point is effective;
if not, judging that the heating point is invalid;
and repeating the steps until the effectiveness of the plurality of heating points matched with the current data output end is judged.
Preferably, the obtaining the validity of each data output end according to the existence state of the heating points corresponding to the M data output ends specifically includes:
whether all the heating points corresponding to the current data output end are invalid or not;
if yes, judging that the current data output end is invalid;
if not, judging that the data output end is effective currently.
Preferably, before the step of sending a high level to a heating point corresponding to one data output end each time by controlling the levels output by the M data output ends and controlling the strobe signal, the method further includes:
clearing a plurality of shift registers in the head chip;
sending data on the data output end to the shift register;
and controlling the latch signal of the latch signal end of the controller to be effective.
Preferably, the clearing of the plurality of shift registers in the header sheet is specifically:
and through a clock signal end on the controller and a plurality of data output ends, shifting 0 data of which the number exceeds that of the heating points inside the head chip into each shift register, and clearing the plurality of shift registers.
Preferably, the sending the data on the data output end to the shift register specifically includes:
setting the current data output end to be at a high level, setting the rest M-1 data output ends to be at a low level, generating a clock signal of one period, and sending data on the data output end to the shift register.
According to the printer provided by the invention, the plurality of data output ends on the controller are sequentially arranged high, the other data output ends are arranged low, the heating points corresponding to the high data output ends are sequentially started, meanwhile, the sampling end of the controller is used for collecting the voltage values of the divider resistor and the head sheet, whether the heating point corresponding to the current data output end exists or not is judged, if the heating point exists, the current data output end is judged to exist, the judgment on the plurality of data output ends on the controller is sequentially carried out until the judgment on the data output ends is completed, the effectiveness of the M data output ends is obtained, the bus bit number of the head sheet is further identified, and the data bus bit number of the thermal printing head sheet is simply and efficiently identified.
Drawings
FIG. 1 is a schematic diagram of the structural connection of a printer according to the present invention;
FIG. 2 is a schematic diagram of a header sheet connected to a power source according to the present invention;
FIG. 3 is a flow chart illustrating the bus bit number identification according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
For better understanding of the technical solutions of the present invention, the following detailed descriptions of the embodiments of the present invention are provided with reference to the accompanying drawings.
It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination" or "in response to a detection", depending on the context. Similarly, the phrases "if determined" or "if detected (a stated condition or event)" may be interpreted as "when determined" or "in response to a determination" or "when detected (a stated condition or event)" or "in response to a detection (a stated condition or event)", depending on the context.
In the embodiments, the references to "first \ second" are merely to distinguish similar objects and do not represent a specific ordering for the objects, and it is to be understood that "first \ second" may be interchanged with a specific order or sequence, where permitted. It should be understood that "first \ second" distinct objects may be interchanged under appropriate circumstances such that the embodiments described herein may be practiced in sequences other than those illustrated or described herein.
The following detailed description of specific embodiments of the invention refers to the accompanying drawings.
The printer aims to simply and efficiently identify the data bus bit number of the thermal printing head chip 3.
The control signal of the head chip 3 generally includes an input signal, an output signal, a clock signal, a latch signal, and a strobe signal, and the number of bus bits of different print heads is different, and the controller 1 of the printer needs to determine the number of bus bits of the head chip 3 before sending the control signal.
Referring to fig. 1 to 3, an embodiment of the invention provides a printer, including: the head piece comprises a controller 1, a head piece 3, a power supply 2 and a driving voltage end, wherein the power supply 2 is connected to the driving voltage end of the head piece 3 through a voltage dividing resistor, a sampling end of the controller 1 is connected between the voltage dividing resistor and the head piece 3, the controller 1 is electrically connected with the head piece 3, the controller 1 comprises M data output ends, and each data output end corresponds to a plurality of preset heating points; wherein:
the controller 1 is configured to implement the following steps by executing a computer program stored therein:
s101, by controlling the level output by M data output ends and controlling a strobe signal, a high level is sent to a heating point corresponding to one data output end each time;
it should be noted that each heating point corresponds to a switch (e.g., a field effect transistor or a triode), it can be understood that one end of the switch is connected to the heating point, the other end of the switch is connected to the power supply 2 through a voltage dividing resistor, and a controlled end of the switch is electrically connected to the output end of the controller 1, in this embodiment, the data output end is set to a high level, and the remaining M-1 data output ends are set to a low level, and then the gating pulses are sequentially output to a plurality of heating points corresponding to the data output end (i.e., the gating pulses are output to the controlled end of the switch corresponding to the heating point), so that the plurality of heating points are sequentially connected to the power supply 2 through the voltage dividing resistor.
S102, acquiring a voltage value through sampling of a sampling end, and judging whether a heating point which should receive a high level currently exists on the head piece 3 or not according to the voltage value;
it should be noted that, whether the heating point exists or not can be judged according to the collected voltage value, it can be understood that, in the presence of the heating point, the resistance value of the line is the sum of the resistance value of the heating point and the resistance value of the voltage dividing resistor, in the absence of the heating point, the resistance value of the line is the resistance value of the voltage dividing resistor, and whether the heating point exists or not can be judged by judging the collected voltage value.
In this embodiment, the first ratio of the collected voltage value AD to the voltage VDD of the power supply 2 may be calculated;
calculating a second ratio of the resistance value Rtph of the heating point to the resistance value sum R + Rtph of the heating point and the voltage dividing resistor;
judging whether the first ratio and the second ratio are different within a preset range, wherein the range can be ± 10% or other ranges, it should be understood that the resistance value of the heating point has precision, and the range can be determined according to the actual situation of precision, such as ± 5% and ± 15%, and is not specifically limited herein, and can be expressed by the following formula:
【AD/VDD-Rtph/(R+Rtph)】/(AD/VDD)】＝±10％；
when the difference between the first ratio and the second ratio is judged to be within a preset range, judging that the heating point is effective;
when the difference between the first ratio and the second ratio is judged not to be within a preset range, judging that the heating point is invalid;
and repeating the steps until the effectiveness of the plurality of heating points matched with the current data output end is judged.
S103, acquiring the effectiveness of each data output end according to the existence states of the heating points corresponding to the M data output ends; and
and acquiring the bus bit number of the head chip 3 according to the validity of the M data output ends.
It should be noted that each of the data output terminals corresponds to a plurality of heating points, for example, each of the data output terminals may correspond to 8 heating points, and when it is determined that there is an effective heating point in the 8 heating points, it may be determined that the current data output terminal is effective.
In this embodiment, whether all of the plurality of heating points corresponding to the current data output end are invalid may be determined;
if all the heating points corresponding to the current data output end are invalid, judging that the current data output end is invalid;
and if the plurality of heating points corresponding to the current data output end have effective heating points, judging that the current data output end is effective.
In this embodiment, before the controlling the levels output by the M data output terminals and the controlling the strobe signal to send a high level to a heating point corresponding to one data output terminal each time, the method further includes:
clearing a plurality of shift registers in the head slice 3;
sending data on the data output end to the shift register;
and controlling the latch signal of the latch signal end of the controller 1 to be effective.
It should be noted that each of the heating points corresponds to a shift register, and before the data output end sends data to the shift register, the shift register needs to be cleared first, because data printed last time may remain in the shift register, and if the data is directly moved in, the heating point may not be started.
In this embodiment, the clearing of the plurality of shift registers in the header slice 3 specifically includes:
through the clock signal terminal and the plurality of data output terminals on the controller 1, the rising edge of the clock signal is utilized to shift 0 data, which is configured on each input signal and exceeds the number of the internal points of the head slice 3, into the shift register, so as to clear the plurality of shift registers.
In this embodiment, the sending the data on the data output end to the shift register specifically includes:
setting the current data output end to be at a high level, setting the rest M-1 data output ends to be at a low level, generating a clock signal of one period, and sending data on the data output end to the shift register.
According to the printer provided by the invention, the plurality of data output ends on the controller 1 are sequentially set high, the other data output ends are set low, the heating points corresponding to the high data output ends are sequentially started, meanwhile, the voltage values of the divider resistor and the head chip 3 are collected through the sampling end of the controller 1, whether the heating point corresponding to the current data output end exists or not is judged, if the existing heating point exists, the current data output end is determined to exist, the judgment on the plurality of data output ends on the controller 1 is sequentially carried out until the judgment on the data output ends is completed, the effectiveness of M data output ends is obtained, the bus digits of the head chip 3 are further identified, and the data bus digits of the thermal printing head chip 3 are simply and efficiently identified.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. A printer, comprising: the controller comprises M data output ends, and each data output end corresponds to a plurality of preset heating points; wherein:
the controller is configured to implement the following steps by executing a computer program stored therein:
the level output by the M data output ends is controlled and the strobe pulse signal is controlled, so that a high level is sent to a heating point corresponding to one data output end each time;
sampling by a sampling end to obtain a voltage value, and judging whether a heating point which should receive a high level currently exists on the head chip or not according to the voltage value;
acquiring the effectiveness of each data output end according to the existence states of the heating points corresponding to the M data output ends; and
and acquiring the bus bit number of the head chip according to the effectiveness of the M data output ends.
2. The printer according to claim 1, wherein the level output by the M data output terminals is controlled such that a high level is sent to a heating point corresponding to one data output terminal at a time, specifically:
setting the current data output end to be at a high level, setting the rest M-1 data output ends to be at a low level, and outputting a gating pulse to a plurality of heating points corresponding to the current data output end through a gating pulse output end of the controller so that the plurality of heating points corresponding to the current data output end are sequentially connected to a power supply.
3. The printer according to claim 2, wherein the sampling by the sampling terminal to obtain the voltage value and the determining, according to the voltage value, whether the heating point that should receive the high level currently exists on the head chip specifically includes:
calculating a first ratio of the voltage value to a power supply voltage;
calculating a second ratio of the resistance value of the heating point to the sum of the resistance values of the heating point and the voltage dividing resistor;
judging whether the difference between the first ratio and the second ratio is within a preset range;
if yes, judging that the heating point is effective;
if not, judging that the heating point is invalid;
and repeating the steps until the effectiveness of the plurality of heating points matched with the current data output end is judged.
4. The printer according to claim 3, wherein the obtaining of the validity of each data output end according to the existence status of the heating points corresponding to the M data output ends is specifically:
whether all the heating points corresponding to the current data output end are invalid or not;
if yes, judging that the current data output end is invalid;
if not, judging that the data output end is effective currently.
5. The printer of claim 2, wherein before controlling the levels of the M data outputs and controlling the strobe signal to send a high level to a heating point corresponding to a data output each time, the method further comprises:
clearing a plurality of shift registers in the head chip;
sending data on the data output end to the shift register;
and controlling the latch signal of the latch signal end of the controller to be effective.
6. The printer according to claim 5, wherein the clearing of the plurality of shift registers in the header sheet is specifically:
and through a clock signal end on the controller and a plurality of data output ends, shifting 0 data of which the number exceeds that of the heating points inside the head chip into each shift register, and clearing the plurality of shift registers.
7. The printer according to claim 5, wherein the sending of the data on the data output to the shift register is specifically:
setting the current data output end to be at a high level, setting the rest M-1 data output ends to be at a low level, generating a clock signal of one period, and sending data on the data output end to the shift register.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010616185.4A CN111923606B (en) | 2020-06-30 | 2020-06-30 | Printer and printing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010616185.4A CN111923606B (en) | 2020-06-30 | 2020-06-30 | Printer and printing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111923606A true CN111923606A (en) | 2020-11-13 |
| CN111923606B CN111923606B (en) | 2022-03-29 |
Family
ID=73316789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010616185.4A Active CN111923606B (en) | 2020-06-30 | 2020-06-30 | Printer and printing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111923606B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4518971A (en) * | 1982-12-29 | 1985-05-21 | Mitsubishi Denki Kabushiki Kaisha | Thermal head |
| US5450099A (en) * | 1993-04-08 | 1995-09-12 | Eastman Kodak Company | Thermal line printer with staggered head segments and overlap compensation |
| US5559547A (en) * | 1993-09-24 | 1996-09-24 | Esselte Meto International Gmbh | Thermal printer |
| US5692108A (en) * | 1994-09-26 | 1997-11-25 | Xerox Corporation | Odd/even stroke control for reduced video data clocking |
| CN1276085A (en) * | 1997-11-03 | 2000-12-06 | 因菲尼奥恩技术股份公司 | Method for testing the bus terminals of writable-readable integrated electronic circuit |
| JP2002337380A (en) * | 2001-05-18 | 2002-11-27 | Ricoh Elemex Corp | Method for driving thermal head |
| CN101980178A (en) * | 2010-11-01 | 2011-02-23 | 福建鑫诺通讯技术有限公司 | Time sequence control method for miniature thermal printer driver |
| JP2013222333A (en) * | 2012-04-17 | 2013-10-28 | Ricoh Co Ltd | Information processing device, processing stem, host, data processing method, and program |
| CN104991875A (en) * | 2015-07-02 | 2015-10-21 | 成都智明达数字设备有限公司 | Address bus detection method |
| CN105955905A (en) * | 2016-04-18 | 2016-09-21 | 合肥工业大学 | Interface circuit based on serial bus structure and communication protocol |
| CN106055510A (en) * | 2016-06-15 | 2016-10-26 | 中国电子科技集团公司第五十八研究所 | FPGA-based control system for automatic detection of configuration bus bit width |
| CN110738015A (en) * | 2019-09-10 | 2020-01-31 | 广东高云半导体科技股份有限公司 | System on chip and FPGA kernel information processing method thereof |
-
2020
- 2020-06-30 CN CN202010616185.4A patent/CN111923606B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4518971A (en) * | 1982-12-29 | 1985-05-21 | Mitsubishi Denki Kabushiki Kaisha | Thermal head |
| US5450099A (en) * | 1993-04-08 | 1995-09-12 | Eastman Kodak Company | Thermal line printer with staggered head segments and overlap compensation |
| US5559547A (en) * | 1993-09-24 | 1996-09-24 | Esselte Meto International Gmbh | Thermal printer |
| US5692108A (en) * | 1994-09-26 | 1997-11-25 | Xerox Corporation | Odd/even stroke control for reduced video data clocking |
| CN1276085A (en) * | 1997-11-03 | 2000-12-06 | 因菲尼奥恩技术股份公司 | Method for testing the bus terminals of writable-readable integrated electronic circuit |
| JP2002337380A (en) * | 2001-05-18 | 2002-11-27 | Ricoh Elemex Corp | Method for driving thermal head |
| CN101980178A (en) * | 2010-11-01 | 2011-02-23 | 福建鑫诺通讯技术有限公司 | Time sequence control method for miniature thermal printer driver |
| JP2013222333A (en) * | 2012-04-17 | 2013-10-28 | Ricoh Co Ltd | Information processing device, processing stem, host, data processing method, and program |
| CN104991875A (en) * | 2015-07-02 | 2015-10-21 | 成都智明达数字设备有限公司 | Address bus detection method |
| CN105955905A (en) * | 2016-04-18 | 2016-09-21 | 合肥工业大学 | Interface circuit based on serial bus structure and communication protocol |
| CN106055510A (en) * | 2016-06-15 | 2016-10-26 | 中国电子科技集团公司第五十八研究所 | FPGA-based control system for automatic detection of configuration bus bit width |
| CN110738015A (en) * | 2019-09-10 | 2020-01-31 | 广东高云半导体科技股份有限公司 | System on chip and FPGA kernel information processing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111923606B (en) | 2022-03-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2927815A1 (en) | Multi-drop serial bus with location detection and method | |
| US20160050089A1 (en) | Edge-Based Communication with a Plurality of Slave Devices | |
| US9607128B2 (en) | Detection and correction of jumps in real-time PCR signals | |
| CN111923606B (en) | Printer and printing method | |
| CN108989014A (en) | A kind of single serial half-duplex operation method of width clock tolerance | |
| CN108011692A (en) | A kind of data communications method for microcontroller | |
| CN110532207A (en) | Bus system and its detection method | |
| JP2010245860A (en) | Bus system | |
| CN102022314B (en) | Testing tool and testing system of fan | |
| CA3096353C (en) | Determination of frequency distribution of nucleotide sequence variants | |
| CN114024795B (en) | Baud rate self-adaption method, device, computer equipment and storage medium | |
| CN112571956B (en) | Printing device | |
| CN114036009A (en) | USB interface short circuit detection method | |
| CN102939595A (en) | Signal processing apparatus and signal processing method thereof | |
| CN111361294A (en) | Method and device for identifying resolution of printing head, printer and storage medium | |
| CN105701058B (en) | Multi-drop serial bus and method with position detection | |
| JP2008117500A (en) | Device test equipment | |
| CA1306119C (en) | Electronic clinical thermometer equipped with printer | |
| JP2008183770A (en) | Wire breaking checker of thermal head | |
| JP7189853B2 (en) | vehicle control system | |
| CN209542255U (en) | A kind of constent temperature heater | |
| US10427418B2 (en) | Head drive device, thermal printer, and method of controlling a head drive device | |
| JP2010123077A (en) | Physical quantity detection system | |
| JP4441871B2 (en) | Distributed control system and control device thereof | |
| JPH02304662A (en) | Electronic apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |