CN101081575B - Thermal printer and method of controlling the same - Google Patents
Thermal printer and method of controlling the same Download PDFInfo
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- CN101081575B CN101081575B CN2007101067085A CN200710106708A CN101081575B CN 101081575 B CN101081575 B CN 101081575B CN 2007101067085 A CN2007101067085 A CN 2007101067085A CN 200710106708 A CN200710106708 A CN 200710106708A CN 101081575 B CN101081575 B CN 101081575B
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Abstract
A thermal paper sheet having heat-sensitive layers on a first surface and a second surface having a front-and-rear relationship is prepared. A first thermal head which comes into contact with a front surface of this thermal paper sheet and a second thermal head which comes into contact with a rear surface 1 b of the same are provided. Further, printing data input from the outside is divided into first printing data and second printing data. The thermal heads are driven in accordance with the printing data.
Description
The cross reference of related application
The application based on and the priority of the 2006-151695 Japanese patent application that requires to submit on May 31st, 2006, the 2006-152577 Japanese patent application of submitting on May 31st, 2006, the 2006-153608 Japanese patent application of submitting on June 1st, 2006 and the 2006-153609 Japanese patent application submitted on June 1st, 2006, its full content is hereby expressly incorporated by reference.
Technical field
The present invention relates to a kind of thermal printer and control method thereof of using the temperature-sensitive paper that all there is heat-sensitive layer on the two sides.
Background technology
The temperature-sensitive paper that uses in the thermal printer has heat-sensitive layer on its one side.According to this structure, thermal printer has a thermal head, and by using this single thermal head that the printed data from the outside input is printed on the one side of temperature-sensitive paper.Temperature-sensitive paper after the printing cuts by cutter, and offers the user.
When from the amount of the printed data of outside input when very big, it on that the temperature-sensitive paper of printed data is elongated, so be difficult to the user and control.
On the other hand, developed a kind of temperature-sensitive paper that heat-sensitive layer is all arranged recently on its two sides.When on the two sides of using this temperature-sensitive paper, printed data is cut apart and be printed onto this temperature-sensitive paper, can reduce to offer the length of user's temperature-sensitive paper, thereby can save heat-sensitive paper.
For example, for with data printing on the two sides of temperature-sensitive paper, need carry out to duplicator in the similar processing of double-sided copying (referring to 233256-1997 Japanese Patent Application Publication and 24082-1994 Japanese Patent Application Publication): paper is fed the image forming part or the developing cell of photosensitive drums, on paper surface, to form image; The paper that is formed with image on it is returned to image forming part, and paper simultaneously overturns; And form image at the back side of paper by image forming part.
Yet the processing similar with the processing of using in the duplicator can expend considerable time, and therefore, above processing can not be applied to (for example) provides on the thermal printer of sales check for the consumer in the shop.
Summary of the invention
One object of the present invention is, provide a kind of can be with the very practical thermal printer of printed data quick print on the two sides of temperature-sensitive paper from the outside input.
According to the present invention, a kind of thermal printer is provided, comprising:
Temperature-sensitive paper all has heat-sensitive layer on first surface with positive inverse relation and second surface, and handles through paper feeding;
First thermal head is used for printing on the first surface of temperature-sensitive paper;
Second thermal head is used for printing on the second surface of temperature-sensitive paper; And
First control part is used for the printed data from the outside input is divided into first printed data that is used for first thermal head and second printed data that is used for second thermal head.
Other purposes of the present invention and advantage will be set forth in the following description, and partly can become apparent by this explanation, maybe can know by enforcement of the present invention.Can realize and obtain objects and advantages of the present invention by means and the combination of hereinafter specifically noting.
Description of drawings
The accompanying drawing that is combined in the specification and constitutes a specification part shows embodiments of the invention, and is used from the detailed description one of general description that provides above and embodiment given below and sets forth principle of the present invention.
Fig. 1 is the view that the structure of the major part among each embodiment is shown;
Fig. 2 is the block diagram that the control circuit among first embodiment is shown;
Fig. 3 is the block diagram that the concrete structure of the thermal head among each embodiment is shown;
Fig. 4 is the view that the form of the printed data D0 among first embodiment is shown;
Fig. 5 is the view of the print result under first operator scheme that illustrates among first embodiment;
Fig. 6 illustrates the view that there is the example of printed data in boundary position place that being used among first embodiment cut apart printed data D0;
Fig. 7 is the view that the form of a small amount of printed data D0 among first embodiment is shown;
Fig. 8 is the view of the print result under second operator scheme that illustrates among first embodiment;
Fig. 9 is the view of the print result under the 3rd operator scheme that illustrates among first embodiment;
Figure 10 is the view of the print result under the 4th operator scheme that illustrates among first embodiment;
Figure 11 is the block diagram that the control circuit among second embodiment is shown;
Figure 12 is the flow chart that is used to illustrate the function of second embodiment;
Figure 13 is the view that the form of the printed data D0 among second embodiment is shown;
Figure 14 is the view that the form of the printed data D1 (comprising Dm) among second embodiment is shown;
Figure 15 is the view that the form of the printed data D2 among second embodiment is shown;
Figure 16 is the view that the print result among second embodiment is shown;
Figure 17 is the block diagram of the control circuit among the 3rd embodiment;
Figure 18 is the view that the form of the printed data D0 among the 3rd embodiment is shown;
Figure 19 is the view that the print result among the 3rd embodiment is shown;
Figure 20 is the view that the printing zone of first thermal head that the face side from temperature-sensitive paper among the 3rd embodiment begins is shown;
Figure 21 is the view that the printing zone of second thermal head that the rear side from temperature-sensitive paper among the 3rd embodiment begins is shown;
Figure 22 is the view that another print result among the 3rd embodiment is shown;
Figure 23 is when being illustrated in the printing of carrying out among Figure 22, the view of the relation between each thermal head and the temperature-sensitive paper that begins from the rear side of temperature-sensitive paper;
Figure 24 is the block diagram of the control circuit among the 4th embodiment;
Figure 25 is the view that the internal structure of the RAM among the 4th embodiment is shown;
Figure 26 is the flow chart that is used to illustrate the function of the 4th embodiment;
Figure 27 is the view that the printing time of memory time of each the raster image data among the 4th embodiment and each thermal head is shown;
Figure 28 is the view that illustrates about the reference example of Figure 27;
Figure 29 is the flow chart that is used to illustrate the function of the 5th embodiment; And
Figure 30 is the view that the printing time of memory time of each the raster image data among the 5th embodiment and each thermal head is shown.
The specific embodiment
First embodiment
Hereinafter will be described with reference to the drawings according to the first embodiment of the present invention.At first, Fig. 1 shows the structure of major part.
Paper feeding direction along temperature-sensitive paper 1 is provided with first thermal head 2 that contacts with the positive 1a of temperature-sensitive paper 1 and second thermal head 4 that contacts with back side 1b.In first and second thermal heads 2 and 4 each all has the shape that extend perpendicular to the direction of the paper feeding direction of temperature-sensitive paper 1 on the edge, and has a plurality of heating element heaters of arranging along perpendicular to the direction of paper feeding direction.First and second thermal heads 2 and 4 are arranged on along the paper feeding direction of temperature-sensitive paper 1 position separated from one another.First thermal head 2 is positioned at the downstream of second thermal head 4 in the paper feeding direction.In addition, first roller platen (platen roller) 3 is arranged on towards the position of first thermal head 2, and temperature-sensitive paper 1 is positioned at them between the two, and second roller platen 5 is arranged on towards the position of second thermal head 4, and temperature-sensitive paper 1 is positioned at them between the two.In addition, be used for being arranged in the paper feeding direction downstream of first thermal head 2 at the cutter 6 of printing position rear side cutting temperature-sensitive paper 1.
Distance between second thermal head 4 of upstream side and first thermal head 2 in downstream is X, and the distance between first thermal head 2 and the cutter 6 is Y.
Fig. 2 shows the control circuit of the thermal printer main body 10 that comprises structure shown in Figure 1.
(1) first control part is used for the printed data D0 from external host device 30 inputs is divided into first printed data D1 that is used for first thermal head 2 and the second printed data D2 that is used for second thermal head 4.Printed data D0, the first printed data D1 and the second printed data D2 are stored among the RAM 13.
(2) second control parts, be used for when feeding temperature-sensitive paper 1, at first begin to drive second thermal head 4 according to the second printed data D2, and during corresponding to first thermal head 2, beginning to drive first thermal head 2 according to the first printed data D1 based on the printing starting position that at first drives.
(3) the 3rd control parts, be used for when feeding temperature-sensitive paper 1, at first begin to drive first thermal head 2 according to the first printed data D1, the paper feeding direction of interim upset temperature-sensitive paper 1 after at first driving is finished, and when turning back to position corresponding to second thermal head 4 in printing starting position based on the driving of first thermal head 2, the paper feeding direction of temperature-sensitive paper 1 is returned to normal direction, thereby begin to drive second thermal head 4 according to the second printed data D2.
(4) the 4th control parts are used for when feeding temperature-sensitive paper 1, begin to drive first thermal head 2 according to the first printed data D1, and begin to drive second thermal head 4 according to the second printed data D2 simultaneously.It should be noted that first control part made the consistent each other printed data amount of thermal head 2 and 4 printing end position that printed data D0 is divided into the first printed data D1 and the second printed data D2 based on beginning to drive thermal head 2 simultaneously at the 4th control part with 4 o'clock.
It should be noted that first thermal head 2 is made up of as shown in Figure 3 latch cicuit (latchcircuit) 41, circuit for controlling electricity turning (energization control circuit) 42 and edge head (edge head) 43.Edge head 43 comprise linearly aligned a plurality of heat transfers heating element heater 43a, 43b ... 43n.Latch cicuit 41 latchs the first printed data D1 that is provided by every wardrobe drive circuit 23 according to the gating signal STB from head drive circuit 23.Circuit for controlling electricity turning 42 becomes the data in the latch cicuit 41 when effective according to the enable signal ENB that is fed by head drive circuit 23, control heating element heater 43a, 43b to edge head 43 ... the 43n energising.The structure of second thermal head 4 is identical with the structure of first thermal head 2.Therefore, with the explanation of omitting to it.
Below with functions.
(a) first operator scheme
The function of carrying out when being set to first operator scheme by operating portion 15 will be described below.
When with printed data D0 when external host device 30 inputs to thermal printer, printed data D0 is stored among the RAM 13.According to this storage, printed data D0 is divided into the first printed data D1 and the second printed data D2.Based on the operation of operating portion 15 or from the indication of main process equipment 30 amount of cutting apart or condition are set.For example, there is the amount of cutting apart of " 50% to 50% ", and has the condition of cutting apart of data type.For example, under the situation of the sales check in shop, there is following data type: currency symbol, consumer's information text, advertisement text and explanation etc.
Fig. 4 shows the example that printed data D0 is divided into the first printed data D1 and the second printed data D2.
That is to say, to be divided into by the first printed data D1 that forms from first row to the 50th row printed data with by the second printed data D2 that forms to the 100th row printed data from the 51st row by the printed data D0 that forms to the 100th row printed data from first row, wherein, the boundary position C with the center is defined as the border.The first printed data D1 and the second printed data D2 that are partitioned into are stored among the RAM 13.
After cutting apart, begin to feed temperature-sensitive paper 1, and according to the second printed data D2 at first hand-drive second thermal head 4, thereby will from the 51st the row to the 100th the row printed data be printed on the back side 1b of temperature-sensitive paper 1.When temperature-sensitive paper 1 feed in advance and when entering state corresponding to first thermal head 2 based on the printing starting position on the back side 1b side of the driving of second thermal head 4, begin to drive first thermal head 2 according to the first printed data D1, thereby will be printed on the positive 1a of temperature-sensitive paper 1 to the 50th row printed data from first row.
As shown in Figure 5, as being printed on the back side 1b of temperature-sensitive paper 1 to the 100th row printed data of the second printed data D2, as being printed in this way on the positive 1a of temperature-sensitive paper 1 to the 50th row printed data of the first printed data D1 from the 1st row from the 51st row.Generated with from the corresponding clear area Ly of the distance Y of cutter 6 to first thermal heads 2, and generated on every the distal side among 1b and the positive 1a overleaf and the corresponding clear area Lx of distance X from first thermal head, 2 to second thermal heads 4.
By the temperature-sensitive paper 1 after the cutter 6 cutting printings, to offer the user.
It should be noted that when printed data D0 being divided into the first printed data D1 and the second printed data D2, the 50th row printed data may appear at the boundary position C place of the center of printed data D0 as shown in Figure 6.In this case, the condition of conditioned disjunction main process equipment 30 indications of presetting according to operating portion 15 is attached to the printed data at boundary position C place among one of the first printed data D1 and second printed data D2.
In addition, as shown in Figure 7,, cut apart and the printed on both sides carried out has the reverse side effect that can produce reluctant sales check based on data when the amount of printed data D0 during less than scheduled volume.Determine that based on this condition of conditioned disjunction main process equipment 30 indications of presetting according to operating portion 15 all is set to one of the first printed data D1 and second printed data D2 with all printed data D0.
In example shown in Figure 7, all printed data D0 are provided with for the first printed data D1.In this case, the first printed data D1 has been printed on the positive 1a of temperature-sensitive paper 1.And do not print any content on the back side 1b of temperature-sensitive paper 1.
(b) second operator scheme
Next operation when being set to second operator scheme by operating portion 15 will be described.
Identical from printed data D0 is divided into processing that the first printed data D1 and the second printed data D2 begin and first operator scheme.
After cutting apart, begin to feed temperature-sensitive paper 1, and hand-drive first thermal head 2, thereby will be printed on the positive 1a of temperature-sensitive paper 1 to the 50th row printed data from first row according to the first printed data D1.After the printing of carrying out on the positive 1a side based on the driving of first thermal head 2 finishes, feeding of interim upset temperature-sensitive paper 1, and when the position that turns back to based on the printing starting position on the positive 1a side of the driving of first thermal head 2 corresponding to second thermal head 4, feeding of temperature-sensitive paper 1 turns back to normal condition.In this state, begin to drive second thermal head 4, thereby will be printed on the back side 1b of temperature-sensitive paper 1 to the 100th row printed data from the 51st row according to the second printed data D2.
As shown in Figure 8, in this way, as being printed on the positive 1a of temperature-sensitive paper 1 to the 50th row printed data of the first printed data D1 from first row, and being printed on the back side 1b of temperature-sensitive paper 1 to the 100th row printed data from the 51st row as the second printed data D2.Generated on every the distal side in positive 1a and back side 1b with from the corresponding clear area Ly of the distance Y of cutter 6 to first thermal heads 2.
By the temperature-sensitive paper 1 after the cutter 6 cutting printings, to offer the user.
Identical with first operator scheme, when there is printed data in the boundary position C place of printed data D0 center, the printed data at boundary position C place is attached among one of the first printed data D1 and second printed data D2.
Identical with first operator scheme, when the amount of printed data D0 during, all printed data D0 are set to one of the first printed data D1 and second printed data D2 less than scheduled volume.
(c) the 3rd operator scheme
Next function when being set to the 3rd operator scheme by operating portion 15 is described.
The processing of cutting apart printed data D0 slightly is different from the processing in first operator scheme and second operator scheme.
That is to say, suppose to begin to drive first thermal head 2 according to the first printed data D1, and simultaneously begin to drive second thermal head 4 according to the second printed data D2, thermal head 2 made their the consistent each other printed data amount of printing end position that printed data D0 is divided into the first printed data D1 and the second printed data D2 with 4 o'clock based on can drive at the same time the time.
After cutting apart, begin to feed temperature-sensitive paper 1, and set about simultaneously beginning to drive first thermal head 2 and beginning to drive second thermal head 4 according to the second printed data D2 according to the first printed data D1.
As shown in Figure 9, in this way, guaranteeing on the distal side to exist with under the situation of the corresponding clear area Ly of the distance that is at least Y of cutter 6 to first thermal heads 2, be printed on the positive 1a of temperature-sensitive paper 1 as the 55th row printed data of the first printed data D1 from first row to (for example).Clear area Ly is pre-determined by operating portion 15 or main process equipment 30.Guaranteeing there is clear area Ly and guaranteeing to exist on the distal side with under the situation of the corresponding clear area Lx of distance X of first thermal head, 2 to second thermal heads 4, as being printed on the back side 1b of temperature-sensitive paper 1 to the 100th row printed data of the second printed data D2 from the 56th row.
Thereby, the minimum printing position on the positive 1a fully and the minimum printing position on the 1b of the back side be complementary.
By the temperature-sensitive paper 1 after the cutter 6 cutting printings, to offer the user.
With identical in first operator scheme, when there is printed data in the boundary position place that is used to cut apart printed data D0, the printed data at boundary position place is attached among one of the first printed data D1 and second printed data D2.
With identical in first operator scheme,, all printed data D0 are set to one of the first printed data D1 and second printed data D2 when the amount of printed data D0 during less than scheduled volume.
(d) the 4th operator scheme
Next function when being set to the 4th operator scheme by operating portion 15 is described.
The processing of cutting apart printed data D0 is different from each operator scheme.
That is to say, printed data D0 alternately is divided into the first printed data D1 and the second printed data D2 according to scheduled volume (for example, corresponding to two printed datas of going).
After cutting apart, begin to feed temperature-sensitive paper 1, and set about driving second thermal head 4 according to the second printed data D2.When temperature-sensitive paper 1 feed in advance and when entering state corresponding to first thermal head 2 based on the printing starting position on the back side 1b of the driving of second thermal head 4, beginning drives first thermal head 2 according to the first printed data D1.
As shown in figure 10, in this way, the second printed data D2 (wherein, order is arranged the printed data part that corresponds respectively to two row) be printed on the back side 1b of temperature-sensitive paper 1, the first printed data D1 (order is arranged the printed data part that corresponds respectively to two row) has been printed on the positive 1a of temperature-sensitive paper 1.Clear area Ly and clear area Lx have been generated on every the distal side in positive 1a and back side 1b.
By the temperature-sensitive paper 1 after the cutter 6 cutting printings, to offer the user.
When the amount of printed data D0 during, all printed data D0 are set to one of the first printed data D1 and second printed data D2 less than scheduled volume.
As mentioned above, prepare all have the temperature-sensitive paper 1 of heat-sensitive layer on the two sides, and first thermal head 2 that contacts with the positive 1a of temperature-sensitive paper 1 and second thermal head 4 that contacts with the back side 1b of temperature-sensitive paper are provided.To be divided into the first printed data D1 and the second printed data D2 from the printed data D0 of main process equipment 30 inputs, and drive thermal head 2 and 4 according to printed data D1 and D2.Thereby, can cut apart printed data D0, and it can be printed on rapidly on the positive 1a and back side 1b of temperature-sensitive paper 1.
Therefore, even under the very big situation of the amount of printed data D0, also can reduce the length of the temperature-sensitive paper 1 that is used for printed data.When temperature-sensitive paper 1 during as the sales check in the shop for example, can all be printed on a lot of commodity purchasing data divisions on the short receipt, thereby make the user can handle temperature-sensitive paper 1 at an easy rate.This has also saved heat-sensitive paper.
When main process equipment 30 links to each other with the thermal printer of the type of being printed on one side, by this thermal printer of the simple replacement of thermal printer according to present embodiment, just can under the condition that does not change the hardware and software on main process equipment 30 sides, carry out and cut apart the processing of printed data D0 and the processing of printed on both sides.Owing to only replaced thermal printer, thus can be compressed at cost user side minimum in, strengthen function.
Second embodiment
Referring now to description of drawings according to a second embodiment of the present invention.The basic structure of present embodiment is with shown in Figure 1 identical, so omit the explanation to it.Figure 11 shows the control circuit of thermal printer main body 10.
(11) search part is used for from the printed data D0 retrieval of external host device 30 input corresponding to the printed data Dm of the keyword of record in advance.This keyword is at least one that is included in the printed data that will be printed on the one side of temperature-sensitive paper 1.
(12) record portion is used for coming recording key according to the operation of operating portion 15.
(13) first control parts are used for input printed data D0 is divided into first printed data D1 that is used for first thermal head 2 that comprises the printed data Dm that is retrieved and the second printed data D2 that is used for second thermal head 4 that does not comprise the printed data Dm that is retrieved.Printed data D0, the first printed data D1 and the second printed data D2 are stored among the RAM 13.
(14) second control parts, be used for when feeding temperature-sensitive paper 1, at first begin to drive second thermal head 4 according to the second printed data D2, and during corresponding to first thermal head 2, beginning to drive first thermal head 2 according to the first printed data D1 based on the printing starting position that at first drives.
Identical among other structures and first embodiment.Thereby, omit explanation to it.
Flowchart text function referring now to Figure 12.
When the logging mode of keyword is set by operating portion 15 (step 101 is), can be by the operation of operating portion 15, being included in item (for example, " total value ", " reception volume " or " change ") in the initial print data that to be printed on the one side of temperature-sensitive paper 1 as keyword record (storage) (step 102) in the RAM 13.
When receiving by this thermal printer (step 103 is), printed data D0 is stored among the RAM 13 from printed data D0 that external host device 30 transmits.At this moment, from printed data D0 retrieval corresponding to the printed data Dm (step 104) of keyword of record in advance.
Figure 13 shows the example of printed data D0.Printed data D0 is by forming to the 100th row printed data from first row.Especially, foot goes to the 100th line data corresponding to printed data " total value ", printed data " reception volume " and printed data " change " from the 98th.That is, this three parts printed data is the printed data Dm corresponding to keyword.
When finding out printed data Dm (step 105 is), printed data D0 is divided into first printed data D1 that comprises printed data Dm and the second printed data D2 (step 106) that does not comprise printed data Dm by retrieval.
That is to say, as shown in figure 14, generated the first printed data D1 with printed data Dm, wherein, printed data Dm is attached to from 98th row of first row after the 47th row printed data to the 100th row printed data.In addition, as shown in figure 15, generated the second printed data D2 that forms to the 97th row printed data from the 48th row by remaining.The first printed data D1 and the second printed data D2 that are generated are stored among the RAM 13.
After cutting apart, begin to feed temperature-sensitive paper 1, and at first begin to drive second thermal head 4, thereby will be printed on the back side 1b of temperature-sensitive paper 1 to the 97th row printed data from the 48th row according to the second printed data D2.When temperature-sensitive paper 1 feed in advance and when entering state corresponding to first thermal head 2 based on the printing starting position on the back side 1b side of the driving of second thermal head 4, begin to drive first thermal head 2 according to the first printed data D1, thereby will go up (step 108) to the positive 1a that the 100th row printed data is printed on temperature-sensitive paper 1 from first row to the 47th row printed data with from the 98th row.
As shown in figure 16, in this way, printed data as the first printed data D1 that has printed data Dm at foot has been printed on the positive 1a of temperature-sensitive paper 1, has been printed on the back side 1b side of temperature-sensitive paper 1 as the printed data of the second printed data D2.
In this case, on the positive 1a of temperature-sensitive paper 1, guarantee between the starting position of each character row to be printed and the end Q1 in the width, to exist clear area with width S P1.On the 1b of the back side of temperature-sensitive paper 1, guarantee between the starting position of each character row to be printed and the other end Q2 in the width, to exist clear area with width S P2.In addition, on every the distal side in positive 1a and back side 1b, all generated with from the corresponding clear area Ly of the distance Y of cutter 6 to first thermal heads 2, and generated and the corresponding clear area Lx of distance X from first thermal head, 2 to second thermal heads 4.
By the temperature-sensitive paper 1 after the cutter 6 cutting printings, to offer the consumer as sales check.On sales check, be printed on remarkable position on the positive 1a side as " total value ", " reception volume " and " change " data of significant data.
(step 105 is not) is divided into the first printed data D1 and the second printed data D2 (step 107) with printed data D0 in the time can't finding out printed data Dm by retrieval.In addition, will be printed on as the printed data of the first printed data D1 on the positive 1a of temperature-sensitive paper 1, and will be printed on as the printed data of the second printed data D2 on the back side 1b of temperature-sensitive paper 1.
As mentioned above, can cut apart from the printed data D0 of main process equipment 30 inputs, and it can be printed on rapidly on the positive 1a and back side 1b of temperature-sensitive paper 1.
Especially, as the printed data Dm that forms by printed data " total value ", " reception volume " and " change " based on the key search of record in advance and when finding out printed data Dm, will comprise that the first printed data D1 of printed data Dm is printed on the positive 1a of temperature-sensitive paper 1.Therefore, even under the amount of the printed data D0 the situation very big and temperature-sensitive paper 1 of printed data is very long, also can suitably provide data very important concerning the consumer by the form of easy reading.
It should be noted, described that more than printed data Dm is attached to example in the foot of the first printed data D1, but the present invention is not limited to this binding site, but for example, printed data Dm can be attached in the topmost.In addition, keyword is not limited to " total value ", " reception volume " and " change ", but can write down and change keyword in many ways.
Identical among other functions and effect and first embodiment.Therefore, omission is to its explanation.
The 3rd embodiment
Referring now to the description of drawings a third embodiment in accordance with the invention.Basic structure identical with shown in Fig. 1.
In addition, as Figure 20 and shown in Figure 21, first thermal head 2 has the operation dead space (when printing, one end and other end place can not carry out fully heating) of preset width T1a and T1b, and has the efficient in operation district T1 between two operation dead spaces.Second thermal head 4 also has the operation dead space (when printing, can not carry out fully heating at one end and other end place) of preset width T2a and T2b, and has the efficient in operation district T2 between two operation dead spaces.
Figure 17 shows the control circuit of thermal printer main body 10.
That is to say that detecting unit 17 links to each other with CPU 11.Detecting unit 17 detects width PW and temperature-sensitive paper 1 the position in the paper feeding direction of temperature-sensitive paper 1 vertical direction of temperature-sensitive paper 1 in the direction vertical with the paper feeding direction of temperature-sensitive paper 1 optically or mechanically.
In addition, CPU 11 comprise as main function components with lower device (21) to (23).
(21) first control parts are used for the printed data D0 from external host device 30 inputs is divided into first printed data D1 that is used for first thermal head 2 and the second printed data D2 that is used for second thermal head 4.Printed data D0, the first printed data D1 and the second printed data D2 are stored among the RAM 13.
(22) variable control part, be used for testing result (temperature-sensitive paper 1 is at the position and the width of the direction vertical with the paper feeding direction of temperature-sensitive paper 1) and control the Printing Zone of first thermal head 2 changeably according to detecting unit 17, and the Printing Zone of controlling second thermal head 4 according to the testing result of detecting unit 17 changeably.
(23) second control parts, be used for when feeding temperature-sensitive paper 1, at first begin to drive second thermal head 4 according to the second printed data D2, and during corresponding to first thermal head 2, beginning to drive first thermal head 2 according to the first printed data D1 based on the printing starting position that at first drives.
Identical among other structures and first embodiment.So, omit explanation to it.
Now with representation function.
When printed data D0 when external host device 30 is input to this thermal printer, printed data D0 is stored among the RAM 13.By this storage, printed data D0 is split into the first printed data D1 and the second printed data D2.According to the operation of operating portion 15b or from the indication of main process equipment 30, the amount of cutting apart or condition are set.For example, there is the amount of cutting apart of " 50% to 50% ", and has the condition of cutting apart of data type.For example, under the situation of the sales check in shop, data type comprises currency symbol, consumer's information text, advertisement text and explanation etc.
Figure 18 shows the example that printed data D0 is divided into the first printed data D1 and the second printed data D2.
That is to say, to be divided into by the first printed data D1 that forms from first row to the 50th row printed data with by the second printed data D2 that forms to the 100th row printed data from the 51st row by the printed data D0 that forms to the 100th row printed data from first row, wherein, the boundary position C with the center is defined as the border.The first printed data D1 and the second printed data D2 cut apart are stored among the RAM 13.When there are data in boundary position C place, be one of the first printed data D1 and second printed data D2 with this data allocations according to predetermined condition.
After cutting apart, begin to feed temperature-sensitive paper 1, and according to the second printed data D2 at first hand-drive second thermal head 4, thereby will from the 51st the row to the 100th the row printed data be printed on the back side 1b of temperature-sensitive paper 1.When temperature-sensitive paper 1 feed in advance and when entering state corresponding to first thermal head 2 based on the printing starting position on the back side 1b side of the driving of second thermal head 4, begin to drive first thermal head 2 according to the first printed data D1, thereby will be printed on the positive 1a of temperature-sensitive paper 1 to the 50th row printed data from first row.
As shown in figure 19, in this way, as being printed on the positive 1a of temperature-sensitive paper 1 to the 50th row printed data of the first printed data D1, as being printed on the back side 1b of temperature-sensitive paper 1 to the 100th row printed data of the second printed data D2 from the 51st row from first row.In this case, on the positive 1a of temperature-sensitive paper 1, guarantee between the starting position of each character row that will print and the end Q1 in the width, to exist clear area with width S P1.On the 1b of the back side of temperature-sensitive paper 1, guarantee between the starting position of each character row that will print and the other end Q2 in the width, to exist clear area with width S P2.
Every distal side in positive 1a and back side 1b, generated with from the corresponding clear area Ly of the distance Y of cutter 6 to first thermal heads 2, and generated and the corresponding clear area Lx of distance X from first thermal head, 2 to second thermal heads 4.
By the temperature-sensitive paper 1 after the cutter 6 cutting printings, to offer the user.
Figure 20 and 21 show in printing process first and second thermal heads 2 and 4 and temperature-sensitive paper 1 between relation.Figure 20 shows the state of the Printing Zone of first thermal head 2 corresponding to the positive 1a that begins from positive 1a side.Figure 21 shows the state of the Printing Zone of second thermal head 4 corresponding to the back side 1b that begins from back side 1b side.
In Figure 20 and 21, only schematically show first and second thermal heads 2 and 4 heating element heater 43a, 43b ..., 43n. Heating element heater 43a, 43b ..., the true form of 43n is very little.
At first, with reference to the setting of Figure 20 explanation with respect to the printing zone of first thermal head 2 of positive 1a.
When with the end (T1a side) of the efficient in operation district T1 of first thermal head 2 when being defined as the reference position, with the end (starting position of each character row) of the Printing Zone of first thermal head 2 be arranged on by will be from the reference position to the temperature-sensitive paper position of the distance that obtains of 1 the width S P1 addition of an end Q1 in width apart from TS1 and clear area.
One end of the Printing Zone of first thermal head 2=(reference position)+TS1+SP1
The other end (T1b side) of the Printing Zone of first thermal head 2 is set according to the width PW of temperature-sensitive paper 1.
Next will be with reference to the setting of Figure 21 explanation with respect to the printing zone of second thermal head 4 of back side 1b.
When with the end (T2a side) of the efficient in operation district T2 of second thermal head when being defined as the reference position, with the end (starting position of each character row) of the Printing Zone of second thermal head 4 be arranged on by will be from the reference position to the temperature-sensitive paper position of the distance that obtains of 1 the width S P2 addition of other end Q2 in width apart from TS2 and clear area.
One end of the Printing Zone of second thermal head 4=(reference position)+TS2+SP2
The other end (T2b side) of the Printing Zone of second thermal head 4 is set according to the width PW of temperature-sensitive paper 1.
It should be noted, can a end (starting position of each character row) with respect to the Printing Zone of second thermal head 4 of back side 1b be set based on following formula, in expression formula, the end (T2a side) of the efficient in operation district T2 of second thermal head 4 is defined as the reference position.Δ T is poor between the other end (T2b side) of valid function district T2 of the end (T1a side) of valid function district T1 of first thermal head 2 and second thermal head 4.
One end of the Printing Zone of second thermal head 4=(reference position)+T2-[(TS1-Δ T)+PW]+SP2
On the other hand, can on the positive 1a side of temperature-sensitive paper 1, carry out printing, and carry out printing with vertical reverse direction on the 1b side overleaf with conventional direction by operating portion 15 switching operation modes.
In this case, on the positive 1a of temperature-sensitive paper 1, guarantee between the starting position of each character row that will print and the end Q1 in the width, to exist clear area with width S P 1.On the 1b of the back side of temperature-sensitive paper 1, guarantee between the starting position of each character row that will print and the other end Q1 in the width to exist and have width S P2 ' (=SP1) clear area.
Under the situation of this printing, identical among the printing position of first thermal head 2 and Figure 20, and the printing position of second thermal head 4 is as shown in figure 23.
Referring now to the setting of Figure 23 explanation with respect to the Printing Zone of second thermal head 4 of back side 1b.
When with the other end (T2b side) of the efficient in operation district T2 of second thermal head when being defined as the reference position, with the end (starting position of each character row) of the Printing Zone of second thermal head 4 be arranged on by will be from the reference position to the temperature-sensitive paper 1 the width S P2 ' (=SP1) position of the distance that obtains of addition of distance (=TS1-Δ T) and clear area of an end Q1 in width.
One end of the Printing Zone of second thermal head 4=(reference position)+(TS1-Δ T)+SP2 '
One end (T2a side) of the Printing Zone of second thermal head 4 is set according to the width PW of temperature-sensitive paper 1.
In addition, can a end (starting position of each character row) with respect to the Printing Zone of second thermal head 4 of back side 1b be set based on following formula, in expression formula, the end (T2a side) of the efficient in operation district T2 of second thermal head 4 is defined as the reference position.
One end of the Printing Zone of second thermal head 4=(reference position)+T2-(TS1-Δ T)-SP2 '
In addition, when with the end (T2a side) of the efficient in operation district T2 of second thermal head 4 when being defined as the reference position, can a end (starting position of each character row) with respect to the Printing Zone of second thermal head 4 of back side 1b be set based on following formula, this expression formula used from the reference position to the temperature-sensitive paper 1 in width other end Q2 apart from TS2.
One end of the Printing Zone of second thermal head 4=(reference position)+TS2+PW-SP2 '
As mentioned above, first thermal head 2 and 4 that is used for carrying out printing on the positive 1a of the temperature-sensitive paper 1 that all has heat-sensitive layer on the two sides and back side 1b is provided, and according to position and the width Printing Zone of changeably controlling thermal head 2 and 4 of temperature-sensitive paper 1 in the direction vertical with the paper feeding direction of temperature-sensitive paper 1.Therefore, even at the width dimensions of temperature-sensitive paper 1 or be provided with under the situation of change in location, the also printed on both sides that can carry out quite at a high speed with respect to temperature-sensitive paper 1, and do not need to replace.
It should be noted that the position of temperature-sensitive paper 1 and width are all detected by detecting unit 17, but also can come only the position of temperature-sensitive paper 1 to be detected by detecting unit 17.For the width of temperature-sensitive paper 1, can be stored in advance among the RAM 13 as storage part with the value that is provided with by operating portion 15 or by the value of main process equipment 30 indications.
Identical among other function and effect and first embodiment.So, with the explanation of omitting to it.
The 4th embodiment
Referring now to the description of drawings a fourth embodiment in accordance with the invention.Basic structure is with shown in Figure 1 identical.
As shown in figure 24, the control circuit of thermal printer main body 10 has the power circuit 25 that is used for output function voltage.In addition, I/O (I/O) mouthfuls 26 links to each other with CPU 11, and the various detectors 27 of thermal printer main body 10 link to each other with I/O mouth 26.
(31) first control parts, be used for being divided in proper order from the printed data D0 of external host device 30 input be used for first thermal head 2 corresponding to the first raster image data D1 of specific line number and be used for the second raster image data D2 corresponding to specific line number of second thermal head 4, and be used for data D1 and D2 alternately are stored among the first frame buffer 13b and the second frame buffer 13c of RAM13 shown in Figure 25.It should be noted that printed data D0 is stored among the reception buffer 13a among the RAM 13.
(32) second control parts, be used for according to each storage, offer first thermal head 2 and second thermal head 4 corresponding to each first raster image data of specific line number with corresponding to each second raster image data of specific line number among each frame buffer 13b and the 13c being stored in.
(33) the 3rd control parts are used for according to from the indication of main process equipment 30 or the operation of operating portion 15 specific line number being set.Set specific line number is stored among the specific line number storage part 13d that is formed among the RAM 13.
It should be noted that first thermal head 2 is made up of the latch cicuit shown in Fig. 3 41, circuit for controlling electricity turning 42 and edge head 43.Edge head 43 have linearly aligned a plurality of heat transfers heating element heater 43a, 43b ..., 43n, can print delegation's raster image data (N point) corresponding to the number of these heating element heaters at every turn.Latch cicuit 41 latchs the first raster image data D1 that every row is provided by head drive circuit 23 according to the gating signal STB that is fed by head drive circuit 23.The first raster image data D1 when circuit for controlling electricity turning 42 becomes effective according to the enable signal ENB that is fed by head drive circuit 23 in the latch cicuit 41, control heating element heater 43a, 43b for edge head 43 ..., the energising of 43n.The structure of second thermal head 4 is identical with the structure of first thermal head 2, therefore, below will omit the explanation to it.
Flowchart text function referring now to Figure 26.
When the printed data D0 that provides by main process equipment 30 is provided (step ST1 is), printed data D0 is stored among the reception buffer 13a of RAM 13, and will be added to specific line number K among the printed data D0 (=1,2,3 ...) Data Update and be stored among the specific line number memory block 13d among the RAM 13 (step ST2).It should be noted, can be independent of RAM 13 and rewritable nonvolatile memory is set (for example, EEPROM), is stored in this nonvolatile memory with the data of upgrading specific line number K and with the data of specific line number K.In this case, even after deenergization, also can keep the data of specific line number K, and it can not wiped.
When (top address) carries out development in proper order since first address, the printed data D0 corresponding to the first specific line number K that is stored among the reception buffer 13a is stored in (step ST3 and ST4) among the first frame buffer 13b, and will be stored in (step ST5 and ST6) among the second frame buffer 13c corresponding to the printed data of next specific line number K.
When storage is finished, the first raster image data corresponding to specific line number K among the first frame buffer 13b are offered first thermal head 2, and the second raster image data corresponding to specific line number K among the second frame buffer 13c are offered second thermal head 4.Provide based on this, carry out printing of being undertaken by first thermal head 2 and the printing of being undertaken by second thermal head 4 (step ST7).
During the development of all the printed data D0 in not finishing reception buffer 13a (step ST8 is not), the printed data D0 corresponding to next specific line number K among the reception buffer 13a is stored in (step ST3 and ST4) among the first frame buffer 13b, and will be stored in corresponding to the printed data D0 of next specific line number K among the second frame buffer 13c (step ST5 and ST6).
When finishing storage, again the first raster image data corresponding to specific line number K among the first frame buffer 13b are offered first thermal head 2, and the second raster image data corresponding to specific line number K among the second frame buffer 13c are offered second thermal head 4.Provide based on this, carry out printing of being undertaken by first thermal head 2 and the printing of being undertaken by second thermal head 4 (step ST7).
It should be noted, when the specific line number K of the discontented foot of the end of printed data D0 part, count the raster image data of K and be stored among the first frame buffer 13b or the second frame buffer 13c not satisfying particular row.
During the development of all the printed data D0 in finishing reception buffer 13a (step ST8 is), the printing of determining finishes, and by cutter 6 cutting temperature-sensitive papers 1 (step ST9).
Figure 27 shows each the first raster image data D1 corresponding to specific line number K is stored in time among the first frame buffer 13b, each second raster image data D2 of corresponding and specific line number K is stored in the time among the second frame buffer 13c and relation between time of printing by thermal head 2 and 4.In addition, only for reference, Figure 28 shows the example that at first the first all raster image data D1 is stored among the first frame buffer 13b, then is stored in the second raster image data D2 among the second frame buffer 13c, prints by thermal head 2 and 4 execution then.
F1 among Figure 27 and 28, F2, F3, F4, F5 and F6 represent to be stored in corresponding to each first raster image data of specific line number K the time among the first frame buffer 13b respectively.B1 among Figure 27 and 28, B2, B3, B4, B5 and B6 represent to be stored in corresponding to each second raster image data of specific line number K the time among the second frame buffer 13b respectively.P1, P2, P3, P4, P5 and P6 represent that respectively thermal head 2 and 4 carries out the time that the printshop needs.
For example, when specific line number K is " 2 ", will alternately be stored among the first frame buffer 13b and the second frame buffer 13c corresponding to the raster image data of two row.According to this storage, will corresponding to two the row the raster image data printings on the positive 1a of temperature-sensitive paper 1, and will corresponding to two the row the raster image data printings on the 1b of the back side of temperature-sensitive paper 1.During printing, also carry out development and storage with respect to the raster image data of the first frame buffer 13b and the second frame buffer 13c.
Therefore, improved printing treatment efficient, thereby significantly reduced the time that the printshop needs with respect to the positive 1a and the back side 1b of temperature-sensitive paper 1.
Identical among other functions and effect and first embodiment.Therefore, with the explanation of omitting to it.
The 5th embodiment
Next will illustrate according to a fifth embodiment of the invention with reference to the accompanying drawings.Basic structure identical with shown in Fig. 1.The structure of the control circuit in the thermal printer main body 10 identical with according to shown in Figure 24 of the 4th embodiment.
(41) first control parts, be used for to be divided into the first raster image data D1 and the second raster image data D2 that is used for second thermal head 4 that is used for first thermal head 2 from the printed data D0 of external host device 30 inputs corresponding to multirow corresponding to multirow, one of the first raster image data D1 and second raster image data D2 are stored among one of the first frame buffer 1b and second frame buffer 1c, then remaining raster image data are stored in the remaining frame buffer.It should be noted that printed data D0 is stored among the reception buffer 13a among the RAM 13.
(42) second control parts, be used at every turn in the time will being stored in remaining frame buffer corresponding to the raster image data of specific line number, raster image data and the raster image data corresponding to specific line number in the remaining frame buffer corresponding to specific line number in one of a plurality of frame buffers are offered first thermal head 2 and second thermal head 4.
(43) the 3rd control parts are used for according to from the indication of main process equipment 30 or the operation of operating portion 15 specific line number being set.Set specific line number is stored among the specific line number memory block 13d that is formed among the RAM 13.
Next will be with reference to the flowchart text function of Figure 29.
When the printed data D0 that provides by main process equipment 30 is provided (step ST11 is), printed data D0 is stored among the reception buffer 13a among the RAM 13, and upgrade the data of the specific line number K add among the printed data D0 (=1,2,3...), then it is stored among the specific line number memory block 13d among the RAM 13 (step ST12).
Developing according to the printed data D0 among the reception buffer 13a is used for the first raster image data D1 of first thermal head 2, and the first raster image data D1 is stored among the first frame buffer 13b of each specific line number K (step ST13 and ST14).
Next, developing according to the residue printed data D0 among the reception buffer 13a is used for the second raster image data D2 of second thermal head 4, and will be stored in (step ST15 and ST16) among the second frame buffer 13c corresponding to the data of the second raster image data D2 of specific line number K.
In the time will being stored in second frame buffer 130 corresponding to the second raster image data of specific line number K at every turn, the first raster image data corresponding to specific line number K among the first frame buffer 13b are offered first thermal head 2, and the second raster image data corresponding to specific line number K among the second frame buffer 13c are offered second thermal head 4.Provide based on this, carry out printing of being undertaken by first thermal head 2 and the printing of being undertaken by second thermal head 4.
(step ST18 is not) will be stored in (step ST15 and ST16) among the second frame buffer 13c corresponding to the second raster image data D2 of next specific line number K when not finishing the development of the second all raster image data D2.
When finishing storage, again the first raster image data corresponding to specific line number K among the first frame buffer 13b are offered first thermal head 2, and the second raster image data corresponding to specific line number K among the second frame buffer 13c are offered second thermal head 4.Provide based on this, carry out printing of being undertaken by first thermal head 2 and the printing of being undertaken by second thermal head 4 (step ST17).
When finishing the development of all second raster image data D2 (step ST18 is), determine to finish printing, and cut temperature-sensitive paper 1 (step ST19) by cutter 6.
Figure 30 shows each the first raster image data D1 corresponding to specific line number K is stored in time among the first frame buffer 13b, will be stored in the time among the second frame buffer 13c corresponding to each second raster image data D2 of specific line number K and relation between time of printing by thermal head 2 and 4.
F1 among Figure 30, F2, F3, F4, F5 and F6 represent to be stored in corresponding to each first raster image data of specific line number K the time among the first frame buffer 13b respectively.B1 among Figure 30, B2, B3, B4, B5 and B6 represent to be stored in corresponding to each second raster image data of specific line number K the time among the second frame buffer 13b respectively.P1, P2, P3, P4, P5 and P6 represent that respectively thermal head 2 and 4 carries out the time that the printshop needs.
For example, when specific line number K is " 2 ", will be stored among the second frame buffer 13c corresponding to the raster image data of two row.According to this storage, will corresponding to two the row the raster image data printings on the positive 1a of temperature-sensitive paper 1, and will corresponding to two the row the raster image data printings on the 1b of the back side of temperature-sensitive paper 1.During printing, also carry out development and storage with respect to the raster image data of the second frame buffer 13c.
Therefore, improved printing treatment efficient, thereby significantly reduced the time that the printshop needs with respect to the positive 1a and the back side 1b of temperature-sensitive paper 1.
Identical among other functions and effect and the 4th embodiment.Therefore, with the explanation of omitting to it.
It should be noted, described that more than the first raster image data D1 is stored among the first frame buffer 1b, then the remaining second raster image data are stored in the example among the second frame buffer 1c.Yet, also the second raster image data D2 can be stored among the second frame buffer 1c, then the remaining first raster image data D 1 is stored among the first frame buffer 1b.
In addition, these embodiment are not limited to use the thermal printer of the temperature-sensitive paper 1 that all has heat-sensitive layer on the positive and negative two sides.Embodiments of the invention can also be applied to adopt with China ink band (ink ribbon) be given to thermal head 2 and 4 and paper etc. between, thereby printing machine can be received in the thermal printer of mechanism of conventional paper.In addition, the present invention is not limited to thermal printer, but can also be applied to point type printing machine (for example, ink-jet printer or point type impact printing machine).
Those skilled in the art will be easy to expect other advantages and change.Therefore, shown in wideer aspect of the present invention is not limited to herein and described specific detail and each embodiment.Therefore, can under the condition of the spirit and scope that do not break away from total inventive concept that claims and equivalent thereof limit, carry out various modifications.
Claims (35)
1. thermal printer comprises:
Temperature-sensitive paper all has heat-sensitive layer on first surface with positive inverse relation and second surface, and handles through paper feeding;
First thermal head is used for printing on the described first surface of described temperature-sensitive paper;
Second thermal head is used for printing on the described second surface of described temperature-sensitive paper; And
First control part is used for will being divided into first printed data that is used for described first thermal head and second printed data that is used for described second thermal head from the printed data of outside input according to scheduled volume or predetermined condition.
2. thermal printer according to claim 1, wherein, described first thermal head and described second thermal head are arranged on along the paper feeding direction of described temperature-sensitive paper position separated from one another.
3. thermal printer according to claim 2, wherein, described first thermal head is positioned at the downstream of described second thermal head in described paper feeding direction.
4. thermal printer according to claim 3 further comprises:
Second control part, be used for when feeding described temperature-sensitive paper, at first begin to drive described second thermal head according to described second printed data, and when during corresponding to described first thermal head, beginning to drive described first thermal head according to described first printed data based on the described printing starting position that at first drives.
5. thermal printer according to claim 3 further comprises:
The 3rd control part, be used for when feeding described temperature-sensitive paper, at first begin to drive described first thermal head according to described first printed data, the described paper feeding direction of the described temperature-sensitive paper of interim upset after described driving is finished, and when turning back to position corresponding to described second thermal head in printing starting position based on the driving of described first thermal head, the described paper feeding direction of described temperature-sensitive paper is returned to normal condition, to begin to drive described second thermal head according to described second printed data.
6. thermal printer according to claim 3 further comprises:
The 4th control part is used for when feeding described temperature-sensitive paper, begins to drive described first thermal head and begins to drive described second thermal head according to described second printed data simultaneously according to described first printed data.
7. thermal printer according to claim 6, wherein, when described the 4th control part begins to drive described each thermal head simultaneously, described first control part will be divided into described first printed data and described second printed data from the described printed data of outside input based on the consistent each other printed data amount of the printing end position that can make described each thermal head.
8. thermal printer according to claim 1, wherein, described first control part alternately will be divided into institute's first printed data and described second printed data from the described printed data of outside input according to each scheduled volume.
9. thermal printer according to claim 1, wherein, described first control part is according to each scheduled volume, to be divided into described first printed data and described second printed data from the described printed data of outside input, and when having data at the described boundary position place of cutting apart, described first control part is attached to described data in one of described first printed data and described second printed data according to predetermined condition.
10. thermal printer according to claim 1, wherein, when from the amount of the described printed data of outside input during less than scheduled volume, described first control part is set to one of described first printed data and described second printed data according to all described printed datas of predetermined condition.
11. thermal printer according to claim 1 further comprises:
First roller platen, towards described first thermal head, described temperature-sensitive paper is between described first roller platen and described first thermal head;
Second roller platen, towards described second thermal head, described temperature-sensitive paper is between described second roller platen and described second thermal head; And
Cutter is arranged on the downstream of described each thermal head in the paper feeding direction of described temperature-sensitive paper, is used to cut the described temperature-sensitive paper that is printed by described each thermal head on the rear side of printing position.
12. thermal printer according to claim 1 further comprises:
Search part is used for retrieving corresponding to the printed data of keyword of record in advance from described input printed data.
13. thermal printer according to claim 12, wherein, described first control part is divided into described first printed data that comprises the printed data of being retrieved and described second printed data that does not comprise the printed data of being retrieved with described input printed data.
14. thermal printer according to claim 12, wherein, described keyword is at least one in the original printed data that is included on the one side that be printed on described temperature-sensitive paper.
15. thermal printer according to claim 12 further comprises:
Record portion is used to write down described keyword.
16. thermal printer according to claim 1 further comprises:
Variable control part is used for controlling the printing zone of described each thermal head changeably according to the position and the width of described temperature-sensitive paper in the direction vertical with the described paper feeding direction of described temperature-sensitive paper.
17. thermal printer according to claim 1 further comprises:
Detecting unit is used for detecting position and the width of described temperature-sensitive paper in the direction vertical with the described paper feeding direction of described temperature-sensitive paper.
18. thermal printer according to claim 17, wherein, described variable control part is controlled the described printing zone of described each thermal head changeably according to the testing result of described detecting unit.
19. thermal printer according to claim 1 further comprises:
Detecting unit is used for detecting the position of described temperature-sensitive paper in the direction vertical with the described paper feeding direction of described temperature-sensitive paper; And
Storage part is used for storing in advance the width of described temperature-sensitive paper in the direction vertical with the described paper feeding direction of described temperature-sensitive paper.
20. thermal printer according to claim 19, wherein, described variable control part is controlled the described printing zone of described each thermal head changeably according to the testing result of described detecting unit and the memory contents of described storage part.
21. thermal printer according to claim 1, wherein, described each thermal head is configured to the vertical state of described paper feeding direction with described temperature-sensitive paper.
22. thermal printer according to claim 21, wherein, each in the described thermal head all has along the linearly aligned a plurality of heating element heaters of the direction vertical with the described paper feeding direction of described temperature-sensitive paper.
23. thermal printer according to claim 21, wherein, each in the described thermal head all has the operation inactive area, and has the efficient in operation zone between described operation inactive area, wherein, the two ends of each described operation inactive area all have preset width.
24. thermal printer according to claim 23, wherein, described variable control part comprises:
Be used for an end and the distance of described temperature-sensitive paper between an end of the direction vertical, the device of an end of the described printing zone of described first thermal head is set with the described paper feeding direction of described temperature-sensitive paper according to the described efficient in operation zone of described first thermal head;
Be used for according to the width of described temperature-sensitive paper, the device of the other end of the described printing zone of described first thermal head is set in the direction vertical with the described paper feeding direction of described temperature-sensitive paper;
Be used for according to the end in the described efficient in operation zone of described second thermal head and described temperature-sensitive paper in an end of the direction vertical or the distance between the other end, the device of an end of the described printing zone of described second thermal head is set with the described paper feeding direction of described temperature-sensitive paper; And
Be used for according to the width of described temperature-sensitive paper, the device of the other end of the described printing zone of described second thermal head is set in the direction vertical with the described paper feeding direction of described temperature-sensitive paper.
25. thermal printer according to claim 1, wherein, described first control part will be divided into the first raster image data and the second raster image data corresponding to specific line number that are used for described second thermal head corresponding to specific line number that are used for described first thermal head from the described printed data of outside input.
26. thermal printer according to claim 25 further comprises:
Second control part is used for according to cut apart at every turn each the first raster image data that will cut apart and each second raster image data being offered described first thermal head and described second thermal head.
27. thermal printer according to claim 25 further comprises: the 3rd control part is used to be provided with described specific line number.
28. thermal printer according to claim 1 further comprises:
First frame buffer and second frame buffer.
29. thermal printer according to claim 28, wherein, described first control part
To be divided in proper order from the described printed data of outside input be used for described first thermal head, corresponding to the described first raster image data of described specific line number and be used for described second thermal head, corresponding to the described second raster image data of described specific line number, and described view data after respectively cutting apart alternately is stored in described each frame buffer.
30. thermal printer according to claim 29 further comprises:
Second control part, be used for according to each storage, will be stored in described each frame buffer, offer described first thermal head and described second thermal head corresponding to each first raster image data of described specific line number with corresponding to each second raster image data of described specific line number.
31., further comprise according to the described thermal printer of claim 29:
The 3rd control part is used to be provided with described specific line number.
32. thermal printer according to claim 28, wherein, described first control part will be divided into from the described printed data of outside input be used for described first thermal head, corresponding to the first raster image data of multirow be used for the second raster image data corresponding to multirow of described second thermal head, one of the described first raster image data and described second raster image data are stored in one of described first frame buffer and described second frame buffer, will remain the raster image data then and be stored in the residual image buffer.
33. thermal printer according to claim 32 further comprises:
Second control part, be used in the time will being stored in described residual image buffer corresponding to the described raster image data of described specific line number at every turn, with in the described frame buffer, corresponding in the described raster image data of described specific line number and the described residual image buffer, offer described first thermal head and described second thermal head corresponding to the described raster image data of described specific line number.
34. thermal printer according to claim 33 further comprises:
The 3rd control part is used to be provided with described specific line number.
35. a method of controlling thermal printer, wherein, described thermal printer comprises:
Temperature-sensitive paper all has heat-sensitive layer on first surface with positive inverse relation and second surface, and handles through paper feeding;
First thermal head is used for printing on the described first surface of described temperature-sensitive paper; And
Second thermal head is used for printing on the described second surface of described temperature-sensitive paper,
Described method comprises:
To be divided into first printed data that is used for described first thermal head and second printed data that is used for described second thermal head from the printed data of outside input according to scheduled volume or predetermined condition.
Applications Claiming Priority (12)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006-152577 | 2006-05-31 | ||
| JP2006151695 | 2006-05-31 | ||
| JP2006151695A JP4167699B2 (en) | 2006-05-31 | 2006-05-31 | Duplex printing device |
| JP2006-151695 | 2006-05-31 | ||
| JP2006152577 | 2006-05-31 | ||
| JP2006152577A JP2007320162A (en) | 2006-05-31 | 2006-05-31 | Thermal printer and method for controlling the same |
| JP2006153608A JP2007320188A (en) | 2006-06-01 | 2006-06-01 | Thermal printer and its controlling method |
| JP2006-153608 | 2006-06-01 | ||
| JP2006153609 | 2006-06-01 | ||
| JP2006153608 | 2006-06-01 | ||
| JP2006153609A JP4299318B2 (en) | 2006-06-01 | 2006-06-01 | Thermal printer and control method thereof |
| JP2006-153609 | 2006-06-01 |
Publications (2)
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| CN101081575B true CN101081575B (en) | 2011-08-10 |
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| JP (1) | JP4167699B2 (en) |
| CN (1) | CN101081575B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009148911A (en) * | 2007-12-18 | 2009-07-09 | Seiko Epson Corp | Printer, printing control method, host computer, and printer control program |
| EP2133208A3 (en) * | 2008-06-12 | 2010-02-24 | Toshiba TEC Kabushiki Kaisha | Printing apparatus |
| JP2010042513A (en) * | 2008-08-08 | 2010-02-25 | Toshiba Tec Corp | Printer and control method thereof |
| JP5742438B2 (en) * | 2011-05-02 | 2015-07-01 | セイコーエプソン株式会社 | Double-sided receipt issuing method and double-sided receipt issuing device |
| CN102774149B (en) * | 2011-05-12 | 2015-09-02 | 山东新北洋信息技术股份有限公司 | Duplex printer and control method thereof and device |
| CN103129161B (en) * | 2011-12-05 | 2015-06-03 | 北大方正集团有限公司 | Method and device of two-side printing |
| JP5857700B2 (en) | 2011-12-09 | 2016-02-10 | ブラザー工業株式会社 | Label making device |
| JP5783031B2 (en) * | 2011-12-22 | 2015-09-24 | コニカミノルタ株式会社 | Image forming system and program |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0947340A2 (en) * | 1998-04-02 | 1999-10-06 | Nec Corporation | Both faces print station |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0947340A2 (en) * | 1998-04-02 | 1999-10-06 | Nec Corporation | Both faces print station |
Also Published As
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| JP2007320123A (en) | 2007-12-13 |
| JP4167699B2 (en) | 2008-10-15 |
| CN101081575A (en) | 2007-12-05 |
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