CN101722745B - Paper accommodating device and printer comprising same - Google Patents
Paper accommodating device and printer comprising same Download PDFInfo
- Publication number
- CN101722745B CN101722745B CN200910260381.6A CN200910260381A CN101722745B CN 101722745 B CN101722745 B CN 101722745B CN 200910260381 A CN200910260381 A CN 200910260381A CN 101722745 B CN101722745 B CN 101722745B
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- China
- Prior art keywords
- paper
- base plate
- seat
- printer
- storehouse
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- 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
- B41J15/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in continuous form, e.g. webs
- B41J15/04—Supporting, feeding, or guiding devices; Mountings for web rolls or spindles
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- 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
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/0075—Low-paper indication, i.e. indicating the state when copy material has been used up nearly or completely
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- 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
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/02—Framework
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- 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
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/46—Applications of alarms, e.g. responsive to approach of end of line
- B41J29/48—Applications of alarms, e.g. responsive to approach of end of line responsive to breakage or exhaustion of paper or approach of bottom of paper
Landscapes
- Handling Of Continuous Sheets Of Paper (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
Abstract
The invention discloses a paper accommodating device of a printer, comprising a paper bin seat, a paper bin and a detecting mechanism, wherein the paper bin is dismountably arranged in the paper bin seat, and an auxiliary channel for printing papers to pass through is formed between the outer surface of the bottom of the paper bin and the paper bin seat; and the detecting mechanism is arranged in the paper bin seat and is used for detecting whether the printing papers exist in the auxiliary channel. According to the paper accommodating device, the detecting mechanism can send out a paper lacking signal in time when the remained printing papers is less than the distance between the detecting mechanism and the printer. Compared with the prior art, the detecting mechanism can accurately judge the condition of surplus of the printing papers, is helpful for the printer to accurately give a paper out alarm, and reduces unnecessary trouble for users. Meanwhile, the invention can effectively avoid the phenomenon of incomplete printing, and utilizes the remained papers to the maximum.
Description
Technical field
The present invention relates to a kind of printer, be specifically related to the appearance paper apparatus of roll web and use the printer of this appearance paper apparatus.
Background technology
Use the printer of drum printing paper to be widely used in the fields such as supermarket, market, lottery ticket, be used for printing client's voucher of concluding the business.
Because workload is large, printing paper is changed frequent.For preventing from occuring in the print procedure to lack the paper problem, usually need to when being about to use up, printing paper change printing paper by prompting user.
Common methods is at the paper storehouse of printer sidewall paper to be set will use up testing agency, for detection of the surplus of printing paper.To use up testing agency when detecting the printing paper surplus and being less than preset value when paper, printer sends warning information, the reminding user to replace printing paper.
The patent No. is that 200410023506.0 Chinese patent discloses the printer that a kind of paper will be use up checkout gear and be used this device.As depicted in figs. 1 and 2, paper roll 110 is placed in the paper storehouse 100, and the sidewall in the paper storehouse is provided with paper will use up checkout gear 142.When the external diameter of the roll web 110 in the paper storehouse 100 is larger, paper will be use up checkout gear 142 and be detected roll web 110 sidewalls, thereby judge that printer has paper; Along with constantly carrying out of printer print job, the diameter of roll web 110 is more and more less, when the surplus paper amount on the roll web reduces to as shown in Figure 2 degree, paper will be use up the mandrel endoporus 112 that checkout gear 142 has detected roll web 110, thereby judge that printer spooler paper 110 is about to be exhausted, and by circuit signal is passed to the warning device warning.
The inventor finds, when using above-mentioned paper will use up the surplus paper amount of checkout gear detection roll web, the weight of paper roll also reduces gradually when the surplus paper amount on the roll web is fewer and feweri, and the easy play in the paper storehouse of paper roll affects paper and will use up checkout gear to the detection of roll web in the paper feed process.
In order to realize the reliable detection to surplus paper amount, printer sent paper and will report to the police to the greatest extent when surplus paper amount was less than 1.5 meters-2 meters usually, the state in the time of therefore can not accurately detecting paper and use up.
Simultaneously, after the user receives paper and will use up information, need with noting at any time the paper roll Expenditure Levels, otherwise can't avoid the incomplete situation of ticket paper print What, for the user has caused unnecessary trouble.
In order to improve simple and convenient user operation, save print paper, need printer accurately to detect printing paper and use up state.
Summary of the invention
The object of the invention is to provide a kind of appearance paper apparatus of printer, uses up state in order to accurately detect printing paper.
The present invention also aims to provide a kind of printer that holds paper apparatus that has.
For this reason, the invention provides a kind of appearance paper apparatus of printer, it comprises: paper storehouse seat; The paper storehouse is removably installed in the seat of paper storehouse, and forms the accessory channel that therefrom passes through for printing paper between its bottom outer surface and the paper storehouse seat; And testing agency, be mounted to paper storehouse seat, for detection of whether there being printing paper in the accessory channel.
In one embodiment, above-mentioned paper storehouse comprises: the first base plate has the bottom outer surface that forms accessory channel with paper storehouse seat; The first side wall is arranged on a side of the first base plate; And axle, extend perpendicular to the first side wall, and the cylinder core of supply roll wears thereon, and its two ends form the support arm that is positioned on the seat of paper storehouse.
In another embodiment, above-mentioned paper storehouse comprises: the first base plate has the bottom outer surface that forms accessory channel with paper storehouse seat; And the first side wall and the second sidewall, be arranged on the two opposite sides of the first base plate; Wherein, the outside of the first side wall and the second sidewall forms the support arm that is positioned on the seat of paper storehouse.
Preferably, left side wall and the right side wall of above-mentioned paper storehouse seat have respectively the locating slot that cooperates with described support arm.
More preferably, the diapire of above-mentioned paper storehouse seat is made of the second base plate, wherein, forms the accessory channel of arc between the second base plate and the first base plate.
Preferably, on the second base plate of above-mentioned paper storehouse seat some roller bearings are set.
Preferably, the outer surface of first base plate in above-mentioned paper storehouse is provided with a plurality of raised lines that extend the space along the accessory channel width.
Preferably, above-mentioned testing agency is photoelectric sensor or rocker-arm sensor.
In addition, the present invention also provides a kind of printer, comprise lower house, be articulated in upper shell, the printing mechanism of lower house and be arranged in the lower house according to above-mentioned appearance paper apparatus.
Preferably, above-mentioned printer also comprises the paper cutting mechanism that is arranged on the printing mechanism downstream, and wherein, printing mechanism comprises the printhead that is arranged at lower house and the rubber roll that is arranged at upper shell.
According to appearance paper apparatus of the present invention, in case the printing paper surplus less than between testing agency and the printing mechanism apart from the time, testing agency can in time send and lack the paper signal.Compared with prior art, testing agency can judge the surplus paper amount situation of printing paper accurately, helps printer accurately to send and lacks the paper warning, for the user has reduced unnecessary trouble.Simultaneously the present invention can effectively avoid printing incomplete phenomenon and occur, and has utilized to greatest extent remaining sheet.
Except purpose described above, feature and advantage, the present invention also has other purpose, feature and advantage.The below is with reference to figure, and the present invention is further detailed explanation.
Description of drawings
Consist of this specification a part, be used for further understanding accompanying drawing of the present invention and show the preferred embodiments of the present invention, and be used for illustrating principle of the present invention with specification.Among the figure:
Fig. 1 shows paper in the conventional printer will use up testing agency for detection of the view of large paper roll;
Fig. 2 shows conventional printer paper shown in Figure 1 will use up testing agency for detection of the view of little paper roll;
Fig. 3 shows printer according to the present invention is in closure state at upper shell stereogram;
Fig. 4 shows printer according to the present invention is in open mode at upper shell stereogram;
Fig. 5 shows paper storehouse and the paper storehouse seat assembling explosive view that holds paper apparatus according to the present invention;
Fig. 6 shows the schematic diagram of first embodiment in the paper storehouse that holds paper apparatus according to the present invention;
Fig. 7 shows and holds the top view that the paper storehouse cooperates with paper storehouse seat in the paper apparatus according to the present invention;
Fig. 8 shows the A-A of appearance paper apparatus shown in Figure 7 to profile;
Fig. 9 shows the longitudinal section of the printer according to the present invention; And
Figure 10 shows the schematic diagram of second embodiment in the paper storehouse that holds paper apparatus according to the present invention.
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
Fig. 3, Fig. 4 and Fig. 9 show according to printer of the present invention.Please refer to Fig. 3, Fig. 4 and Fig. 9.Printer comprises housing 1, holds paper apparatus 2 and printing mechanism 3.Wherein, hold paper apparatus 2 and printing mechanism 3 and all be arranged on housing 1 inside.Hold paper apparatus 2 and be used for holding the roll web R that prints use; Printing mechanism 3 is used in to print on the roll web sets image or literal.
Housing 1 comprises upper shell 11 and lower house 12, and upper shell 11 is hinged by rotating shaft and lower house 12, can open or closure with respect to lower house 12.When upper shell 11 is opened with respect to lower house 12, hold paper apparatus 2 and expose, be convenient to change roll web.When upper shell 11 is closed with respect to lower house 12, form ejection port P between the two, be used for discharging printing paper.
Which kind of mode printing mechanism 3 adopts print does not affect enforcement of the present invention, and therefore, printing mechanism can be thermal printing mechanism, dot matrix type print mechanism, inkjet printing mechanism etc.In the present embodiment (please in conjunction with Fig. 9), printing mechanism is thermal printing mechanism, comprises printhead 31 and rubber roll 32, and wherein, printhead 31 is arranged on the lower house 12, and rubber roll 32 is arranged on the upper shell 11.
When upper shell 11 is closed with respect to lower house 12, printhead 31 and rubber roll 32 tangent contacts, printing paper is from passing between the two.When need printing, rubber roll 32 subject printer transmission mechanism (not shown) drive, and drive paper to the motion of ejection port P direction, and printhead 31 is printed at paper simultaneously; When upper shell 11 was opened with respect to lower house 12, rubber roll 32 was synchronized with the movement with upper shell 11, and rubber roll 32 is separated with printhead 31, was convenient to change printing paper.
Illustrate that below in conjunction with Fig. 5 to 8 figure printer of the present invention holds the paper apparatus specific embodiment.
Please refer to Fig. 5 and Fig. 6.As shown in the figure, hold paper apparatus 2 and comprise paper storehouse seat 21, paper storehouse 22 and testing agency 23.
Wherein, left side wall 211, right side wall 212 are substantially perpendicular to base plate 213, and the three is interconnected to form a spatial accommodation.Be respectively arranged with symmetrical left groove 211a and right groove 212a on left side wall 211 and the right side wall 212, be used for supporting paper storehouse 22.
Please refer to Fig. 7 and Fig. 8, hold 22 dismountable seat 21 inside, paper storehouse that are installed on, paper storehouse of paper apparatus 2, and supported by paper storehouse seat 21.Specifically, the both ends 223a of the support arm 223 in paper storehouse 22 matches with left groove 211a and the right groove 212a that seat 21 two sides, paper storehouse arrange respectively.The cross section of support arm 223 is arranged to non-circular, therefore can avoid paper storehouse 22 to rotate with respect to paper storehouse seat 21. Base plate 213 and 222 the two substantially parallel being oppositely arranged of the first base plate, and keep setpoint distance.Like this, between base plate 213 and the first base plate 222, form the accessory channel S that carries and detect printing paper.
The cross section that need to prove base plate 213 and the first base plate 222 can be irregular curve or fold-line-shaped.In order to guarantee printing paper smooth and easy motion in accessory channel S, preferred, base plate 213 and the first base plate 222 are set to arc, and the maximum paper roll external diameter of the first base plate 222 sizes and printer use is complementary.
In addition, in order to reduce the frictional resistance in the printing paper transportation, can some roller bearings 214 be set at base plate 213, perhaps at the protruding 222a of the first base plate 222 outer surface settings towards accessory channel S direction, in order to reduce the contact area of printing paper and accessory channel S upper and lower surface.
Illustrate that below in conjunction with Fig. 5 and Fig. 9 the present invention holds the paper apparatus operation principle.
Open printer upper shell 11, get delivering paper storehouse 22.The mandrel of roll web R is inserted in support arm 223 peripheries, roll web P is entered in the appearance paper space in paper storehouse 22.
Then, the outermost layer paper of roll web R is wrapped in the periphery of first base plate 222 in paper storehouse 22 along the printing paper direction of motion (being counter clockwise direction among the figure), simultaneously need to reserve enough working lengths at the paper roll free end, so that end can be discharged smoothly before when closed upper shell 11.Packed in the spatial accommodation of paper storehouse seat 21 in paper storehouse 22, paper storehouse 22 is supported by paper storehouse seat 21.
The accessory channel S that forms between first base plate 222 of the outermost layer paper of roll web P through the base plate 213 of paper storehouse seat 21 and paper storehouse 22 like this is transported to printing mechanism 3, and printing paper is exported by ejection port P after pass through between printhead 31 and the rubber roll 32.
After printing paper was changed, in the print procedure, printing paper was from accessory channel S process, and testing agency 23 can detect the existence of printing paper.
Along with the carrying out of printing, printing paper reduces gradually.When testing agency 23 detects printing paper and does not exist, show remaining sheet length less than testing agency 23 to the distance between the printing mechanism 3, namely printing paper is about to use up.
Usually testing agency 23 can be set by the user to the distance between the printing mechanism 3, and by its understanding.
At this moment, the printer control device (not shown) receives can according to circumstances send behind the signal that testing agency 23 sends and lacks the paper warning.
Such as, directly the control warning device gives a warning the reminding user to replace medium after control device receives the scarce paper signal that testing agency 23 sends; Perhaps, after control device received the scarce paper signal that testing agency 23 sends, control device will remain paper length and content to be printed compares.
When surplus paper length during less than content-length to be printed, printer directly sends and lacks the paper warning; When surplus paper length during greater than content-length to be printed, print after this task printer and send and lack the paper warning, to take full advantage of remaining sheet.
Compared with prior art, testing agency 23 can judge the surplus paper amount situation of printing paper accurately, thereby promptly and accurately sends alarm signal, for the user has reduced unnecessary trouble.Simultaneously the present invention can effectively avoid printing incomplete phenomenon and occur, and has utilized to greatest extent remaining sheet.
In other embodiments of the invention, printer can also arrange in the downstream of printing mechanism 3 paper cutting mechanism 4, be used for to cut off paper, and the paper after the printing is separated with reel.
Paper cutting mechanism 4 can make manual paper-ripping cutter, also can be automatic cutter.As shown in Figure 9, automatic cutter 4 comprises fixed blade 41 and the movable blade 42 that is oppositely arranged, and printing paper passes between fixed blade 41 and movable blade 42.
Figure 10 is the second embodiment schematic diagram that the present invention holds paper storehouse in the paper apparatus.
The difference of present embodiment and the first embodiment is that paper storehouse 22 comprises the first side wall 221, the second sidewall 224, the first base plate 222 and support arm 223.The first side wall 221 and the second sidewall 224 are substantially perpendicular to the first base plate 222, and the three links into an integrated entity, and forms to hold paper space.Support arm 223 is divided into the first support arm (not shown) and the second support arm 2232, and the two is vertically set on respectively the first side wall 221 and the second sidewall 224 outer surfaces, and symmetrically.When paper storehouse 22 cooperated with paper storehouse seat 21, the first support arm and the second support arm 2232 cooperated with left groove 211a and the right groove 212a of paper storehouse seat 21 respectively.
In the present embodiment, roll web R directly puts into the appearance paper space in paper storehouse 22, is supported by first base plate 222 in paper storehouse, in the print procedure, by the paper roll conveyance of sheets that rolls in the paper storehouse.Roll web R installation method is same as the previously described embodiments, repeats no more herein.
According to appearance paper apparatus of the present invention, in case the printing paper surplus less than between testing agency and the printing mechanism apart from the time, testing agency can in time send and lack the paper signal.Compared with prior art, testing agency can judge the surplus paper amount situation of printing paper accurately, helps printer accurately to send and lacks the paper warning, for the user has reduced unnecessary trouble.Simultaneously the present invention can effectively avoid printing incomplete phenomenon and occur, and has utilized to greatest extent remaining sheet.
Be the preferred embodiments of the present invention only below, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the appearance paper apparatus of a printer is used for holding and prints the roll web that uses, and it is characterized in that, comprising:
Paper storehouse seat;
The paper storehouse is removably installed in the seat of described paper storehouse, and forms the accessory channel that therefrom passes through for printing paper between its bottom outer surface and the described paper storehouse seat; And
Testing agency is mounted to described paper storehouse seat, for detection of whether there being printing paper in the described accessory channel.
2. the appearance paper apparatus of printer according to claim 1 is characterized in that, described paper storehouse comprises:
The first base plate has the bottom outer surface that forms described accessory channel with described paper storehouse seat;
The first side wall is arranged on a side of described the first base plate; And
Axle extends perpendicular to described the first side wall, and wears thereon for the cylinder core of described paper bobbin, and its two ends form the support arm that is positioned on the seat of described paper storehouse.
3. the appearance paper apparatus of printer according to claim 1 is characterized in that, described paper storehouse comprises:
The first base plate has the described bottom outer surface that forms described accessory channel with described paper storehouse seat; And
The first side wall and the second sidewall are arranged on the two opposite sides of described the first base plate;
Wherein, the outside of described the first side wall and the second sidewall forms the support arm that is positioned on the seat of described paper storehouse.
4. according to claim 2 or the appearance paper apparatus of 3 described printers, it is characterized in that left side wall and the right side wall of described paper storehouse seat have respectively the locating slot that cooperates with described support arm.
5. the appearance paper apparatus of printer according to claim 4 is characterized in that, the diapire of described paper storehouse seat is made of the second base plate, wherein, forms the described accessory channel of arc between described the second base plate and the first base plate.
6. the appearance paper apparatus of printer according to claim 5 is characterized in that, on the second base plate of described paper storehouse seat some roller bearings is set.
7. according to claim 2 or the appearance paper apparatus of 3 described printers, it is characterized in that the outer surface of described the first base plate is provided with a plurality of raised lines that extend the space along described accessory channel width.
8. the appearance paper apparatus of printer according to claim 1 is characterized in that, described testing agency is photoelectric sensor or swing arm sensor.
9. printer, comprise lower house, be articulated in lower house upper shell, be arranged at appearance paper apparatus and printing mechanism in the lower house, it is characterized in that described appearance paper apparatus is each described appearance paper apparatus in 8 according to claim 1.
10. printer according to claim 9 is characterized in that, also comprises the paper cutting mechanism that is arranged on described printing mechanism downstream, and wherein, described printing mechanism comprises the printhead that is arranged at described lower house and the rubber roll that is arranged at described upper shell.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910260381.6A CN101722745B (en) | 2009-12-17 | 2009-12-17 | Paper accommodating device and printer comprising same |
| PCT/CN2010/078429 WO2011072558A1 (en) | 2009-12-17 | 2010-11-04 | Web receiving device and printer having it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910260381.6A CN101722745B (en) | 2009-12-17 | 2009-12-17 | Paper accommodating device and printer comprising same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101722745A CN101722745A (en) | 2010-06-09 |
| CN101722745B true CN101722745B (en) | 2013-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910260381.6A Active CN101722745B (en) | 2009-12-17 | 2009-12-17 | Paper accommodating device and printer comprising same |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101722745B (en) |
| WO (1) | WO2011072558A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI574852B (en) * | 2015-07-29 | 2017-03-21 | 佳世達科技股份有限公司 | Printer |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101722745B (en) * | 2009-12-17 | 2013-04-24 | 山东新北洋信息技术股份有限公司 | Paper accommodating device and printer comprising same |
| CN102717608B (en) * | 2012-06-29 | 2015-04-22 | 北京公达数码科技有限公司 | Printing device with fixed ticket length and printing method thereof |
| CN102894969B (en) * | 2012-10-23 | 2015-04-29 | 深圳市理邦精密仪器股份有限公司 | Electrocardiogram machine with function of rapidly switching print modes |
| CN102991151B (en) * | 2012-12-12 | 2015-06-10 | 厦门菲斯科电子有限公司 | Paper channel structure with double printing movements |
| CN109130530B (en) * | 2017-11-30 | 2024-05-07 | 深圳市思乐数据技术有限公司 | Lottery printing terminal |
| CN108032635A (en) * | 2018-01-31 | 2018-05-15 | 厦门盈点科技有限公司 | A kind of printer |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201597259U (en) * | 2009-12-17 | 2010-10-06 | 山东新北洋信息技术股份有限公司 | Paper roll accommodating device with printer paper shortage detection function and printer adopting same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS63315270A (en) * | 1987-06-18 | 1988-12-22 | Seiko Instr & Electronics Ltd | Color recorder |
| JPH0632005A (en) * | 1992-07-21 | 1994-02-08 | Sumitomo Electric Ind Ltd | Printer |
| DE602006000808T2 (en) * | 2005-08-09 | 2009-04-30 | Seiko Epson Corp. | Paper roll printer |
| CN2827733Y (en) * | 2005-10-31 | 2006-10-18 | 山东新北洋信息技术股份有限公司 | Printer |
| CN101722745B (en) * | 2009-12-17 | 2013-04-24 | 山东新北洋信息技术股份有限公司 | Paper accommodating device and printer comprising same |
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2009
- 2009-12-17 CN CN200910260381.6A patent/CN101722745B/en active Active
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2010
- 2010-11-04 WO PCT/CN2010/078429 patent/WO2011072558A1/en active Application Filing
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201597259U (en) * | 2009-12-17 | 2010-10-06 | 山东新北洋信息技术股份有限公司 | Paper roll accommodating device with printer paper shortage detection function and printer adopting same |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI574852B (en) * | 2015-07-29 | 2017-03-21 | 佳世達科技股份有限公司 | Printer |
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| Publication number | Publication date |
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| CN101722745A (en) | 2010-06-09 |
| WO2011072558A1 (en) | 2011-06-23 |
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