CN2663369Y - Automatic paper driving device capable of driving paper on single and double side - Google Patents

Automatic paper driving device capable of driving paper on single and double side Download PDF

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Publication number
CN2663369Y
CN2663369Y CN 03210137 CN03210137U CN2663369Y CN 2663369 Y CN2663369 Y CN 2663369Y CN 03210137 CN03210137 CN 03210137 CN 03210137 U CN03210137 U CN 03210137U CN 2663369 Y CN2663369 Y CN 2663369Y
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CN
China
Prior art keywords
paper
feeding channel
box
paper feed
sided
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Expired - Fee Related
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CN 03210137
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Chinese (zh)
Inventor
徐文良
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Hongguang Precision Industry Suzhou Co Ltd
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Hongguang Precision Industry Suzhou Co Ltd
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Priority to CN 03210137 priority Critical patent/CN2663369Y/en
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Abstract

The utility model discloses an automatic paper feeding device of double sides and single side. The paper feeding device comprises a paper feeding box, a paper exite box, a first paper feeding passage, a temporary storing area, a first paper feeding mechanism, a second paper feeding passage and a second paper feeding mechanism. The temporary storing area and the passages are designed as per the principle that, the utility model conveys the papers from the first paper feeding passage to the paper exite box through the temporary storing area when in single side paper feeding mode, and also enables the papers to be positioned between the paper feeding box and the paper exite box to get the same aligning orders.

Description

Can carry out the automatic carriage device of two-sided and single face paper feed
Technical field
The utility model relates to a kind of automatic carriage device, relates in particular to a kind of automatic carriage device that carries out two-sided and single face paper feed.
Background technology
Double face scanner has two types, and first type Double face scanner is to use two scan modules to come scanning document, and second type Double face scanner is to use the single scanning module to come scanning document.In first type Double face scanner, the file feed path has only one, and two scan modules scan this document respectively on this feed path.Yet, because the cost height of scan module, make holding at high price of the Double face scanner of winning type.
In second type Double face scanner, the file feed path has two.One folded putting in order of file of been scanned must be identical with previous order, in order to avoid the user also will manually rearrange a folded file of been scanned.Therefore, file will just can make putting in order of a folded file constant through three upsets.
Fig. 1 shows a kind of scheme drawing of known double-faced scanning device.As shown in Figure 1, this double-faced scanning device comprises a two-sided paper feeder 101 and a scanner 190.Scanner 190 comprises a housing 191, glass platform 192, a guide rod 193 and a scan module 194.Scan module 194 can move around along guide rod 193, makes double-faced scanning device can carry out the two-sided paper feed type scanning action of platform-type scanner uni.Two-sided paper feeder 101 comprises a feeding box 110, paper output box 120, one first paper-feeding channel 130, temporary paper box 141, first paper feed mechanism 150 and one second paper-feeding channel 160.Feeding box 110 is used for depositing many paper to be scanned, and paper output box 120 is used for depositing the paper of many been scanned.First paper-feeding channel 130 comprises a scanning area 131, first guide bar 132 and one second guide bar 133.When paper P passed through scanning area 131, the scan module 194 that is positioned at scanning area 131 belows can scan paper.
The paper that first guide bar 132 is used for guiding from first paper-feeding channel 130 arrives paper output box 120 or temporary paper box 141.The paper that second guide bar 133 is used for guiding from temporary paper box 141 arrives second paper-feeding channel 160, and the paper that is used for guiding from first paper-feeding channel 130 arrives temporary paper box 141.First paper feed mechanism 150 comprises a paper-feed 151 and a plurality of auxiliary wheel 152,153 and 154.
When carrying out duplex scanning, paper-feed 151 imports paper P into first paper-feeding channel 130, and auxiliary wheel 152 auxiliary paper P is transmitted are passed through scanning area 131, and the direct picture of scan module 194 scanning paper.Then, auxiliary wheel 153 and 154, first guide bar 132 and 133 combineds action of second guide bar are sent to temporary paper box 141 with paper P.Then, 154 counter-rotatings of two auxiliary wheels, and second guide bar 133 imports paper in second paper-feeding channel 160 into along the clockwise direction rotation.Then, paper enters first paper-feeding channel 130 from second paper-feeding channel 160, allows scan module 194 scan the back side image of paper by scanning area 131.Then, paper P enters temporary paper box 141 once more, and is imported into second paper-feeding channel 160 and first paper-feeding channel 130 once more.At last, first guide bar 132 is sent to paper output box 120 along the clockwise direction swing with paper P.Therefore, paper P need carry out three times upset, that is to say, by scanning area 131 3 times.
Therefore, when carrying out duplex scanning, paper P need overturn three times, makes extend sweep time.And when carrying out single-sweep, paper P still will overturn three times, to avoid influencing putting in order that a stacker opens.
Disclose a kind of two-sided automatic paper feeder in No. 526865 communique of Taiwan patent, need reset in proper order yet its shortcoming is the paper that carries out behind the duplex scanning.This is emphasizing to have sizable problem aspect the two-sided automatic paper feeder, because the not I hope he action that also will lose time and manually reset of user.
Disclose a kind of two-sided full-automatic inlet device in No. 529620 communique of Taiwan patent, yet its shortcoming is when carrying out the single-sweep program, still needs to use the paper feed pattern of duplex scanning, therefore when carrying out single-sweep, can't saves time.
Therefore, how providing a kind of and can carry out the scanner unit of single face and duplex scanning, and the paper behind single face and the duplex scanning is remained unchanged in proper order, is a big Gospel really for the user.
Summary of the invention
Therefore, a purpose of the present utility model just provides a kind ofly can carry out the scanner unit of single face and duplex scanning, and the paper behind single face and the duplex scanning is remained unchanged in proper order.
For achieving the above object, the utility model proposes a kind of automatic carriage device that carries out two-sided and single face paper feed, it has single face paper feed pattern and two-sided paper feed pattern.The automatic carriage device comprises a feeding box, a paper output box, first paper-feeding channel, a working area, first paper feed mechanism, second paper-feeding channel and one second paper feed mechanism.Feeding box is used for depositing plurality of sheets of paper to be transmitted and opens, and paper output box is used for depositing the paper that transmission finishes.First paper-feeding channel is communicated with feeding box, and forms one first image processing district.The working area can be communicated with first paper-feeding channel.First paper feed mechanism is arranged in first paper-feeding channel, is used for the transmission that the plurality of sheets of paper that is arranged in feeding box is opened is arrived the working area by first paper-feeding channel.Second paper-feeding channel can be communicated with the working area, and forms and be separated by one second image processing district of one section preset distance, the first image processing district.Second paper feed mechanism is arranged in second paper-feeding channel, is used for when two-sided paper feed pattern, and the paper that will be positioned at the working area transmits and arrives paper output box by second paper-feeding channel.The working area and first paper feed mechanism are designed to: when single face paper feed pattern, make paper move on the paper output box via the working area from first paper-feeding channel, and under the presenting of two-sided paper feed pattern and single face paper feed pattern, be positioned at feeding box and have identical putting in order with the paper of paper output box.
Above-mentioned working area can be defined by a temporary paper box, and should can rotate by temporary paper box, can be under single face paper feed pattern, make paper drop on the paper output box via the working area from first paper-feeding channel, and under two-sided paper feed pattern, the temporary transient paper that supports from first paper-feeding channel.
Perhaps, above-mentioned working area is defined by a temporary paper box, and should keep in the length weak point of the length of paper box than paper, can under single face paper feed pattern the paper from first paper-feeding channel be dropped on the paper output box via the working area.
Description of drawings
Fig. 1 shows a kind of scheme drawing of known double-faced scanning device;
Fig. 2 shows first view according to single face/double-faced scanning device of embodiment one of the present utility model;
Fig. 3 shows second view according to single face/double-faced scanning device of embodiment one of the present utility model;
Fig. 4 shows the scheme drawing according to single face/double-faced scanning device of the embodiment two of utility model;
Fig. 5 shows the scheme drawing according to single face/double-faced scanning device of embodiment three of the present utility model;
Fig. 6 shows the scheme drawing according to single face/double-faced scanning device of embodiment four of the present utility model.
The specific embodiment
Fig. 2 and 3 shows first and second view of single face/double-faced scanning device of embodiment one of the present utility model.Shown in Fig. 2 and 3, this double-faced scanning device comprises an automatic carriage device 1 and a scanner 90.Scanner 90 comprises a housing 91, glass platform 92, a guide rod 93 and a scan module 94.Scan module 94 can move around along guide rod 93, makes double-faced scanning device can carry out the two-sided paper feed type scanning action of platform-type scanner uni.Automatic carriage device 1 can carry out two-sided and single face paper feed, therefore has single face paper feed pattern and two-sided paper feed pattern.Automatic carriage device 1 comprises a feeding box 10, paper output box 20, one first paper-feeding channel 30, working area 40, one first paper feed mechanism 50, second paper-feeding channel 60 and one second paper feed mechanism 70.Feeding box 10 can be deposited plurality of sheets of paper to be transmitted and open P.Paper output box 20 can be deposited and transmit the plurality of sheets of paper finish and open P.The inlet of first paper-feeding channel 30 is communicated with feeding box 10, and is formed with one first image processing district 31 in first paper-feeding channel 30.Here the meaning of Lian Tonging is meant that paper can enter first paper-feeding channel 30 from feeding box 10.Working area 40 is positioned near the outlet of first paper-feeding channel 30, and working area 40 can be communicated with the outlet of first paper-feeding channel 30.First paper feed mechanism 50, be arranged in first paper-feeding channel 30, comprise a paper-feed 51 and many to auxiliary wheel 52,53,54, the inlet of the bottom of paper-feed 51 and first paper-feeding channel 30 is positioned at sustained height, auxiliary wheel to 52,53 and 54 decentralized configuration in first paper-feeding channel 30.First paper feed mechanism 50 is used for transmission in the top that the plurality of sheets of paper that is positioned at feeding box 10 is opened P is arrived working area 40 by first paper-feeding channel 30.The outlet of second paper-feeding channel 60 is communicated with paper output box 20, and the inlet of second paper-feeding channel 60 can be communicated with working area 40, and forms be separated by one the second image processing district 61 of one section preset distance D with the first image processing district 31 in second paper-feeding channel 60.In the present embodiment, image processing district 31 and 61 is scanning areas, and the scan module 94 that is positioned at below the scanning area can scan paper.Yet in other embodiments, image processing district 31 and 61 can be a print zone, and corresponding print module comes paper P is printed.
Second paper feed mechanism 70 is arranged in second paper-feeding channel 60, comprise many to auxiliary wheel 71,72,73, auxiliary wheel to 71,72,73 decentralized configuration in second paper-feeding channel 60.Second paper feed mechanism 70 is used for when two-sided paper feed pattern, and the paper P that will be positioned at a temporary paper box 41 in working area 40 transmits by second paper-feeding channel 60 and arrives paper output box 20.The inlet of the outlet of first paper-feeding channel 30 and second paper-feeding channel 60 is positioned at sustained height, a guide bar 80 is between the inlet of outlet, working area 40 and second paper-feeding channel 60 of first paper-feeding channel 30, it switchably will direct into working area 40 from the paper of first paper-feeding channel 30, or will direct into second paper-feeding channel 60 from the paper in working area 40.The temporary paper box 41 in working area 40 and first paper feed mechanism 50 are designed to: when single face paper feed pattern, the paper P from first paper-feeding channel 30 is moved on the paper output box 20 through working area 40; And under the transmission of two-sided paper feed pattern and single face paper feed pattern, be positioned at feeding box 10 and open with a stacker of paper output box 20 and have identical putting in order.
Wherein first paper feed mechanism 50 and second paper feed mechanism 70 are shared a pair of auxiliary wheel 54 (or 71) that can positive and negative rotation.
In an example, working area 40 is defined by a temporary paper box 41, and can rotate (rotating into dotted line position) from solid line position, can be under single face paper feed pattern, paper P from first paper-feeding channel 30 is dropped on the paper output box 20 through working area 40, and under two-sided paper feed pattern, the temporary transient paper P that supports from first paper-feeding channel 30.
In another example, working area 40 is defined by a temporary paper box 41, the length of temporary paper box 41 is than the length of paper short (height of temporary paper box 41 drops to the Q point), can under single face paper feed pattern, the paper from first paper-feeding channel 30 be dropped on the paper output box 20 via working area 40.
It should be noted that working area 40 not necessarily will be limited to by 41 definition of temporary paper box,, also can under the situation of temporary paper box 41 not, finish the scanning motion of single or double as long as clamp or discharge paper against two auxiliary wheels 54.
When carrying out duplex scanning, be positioned at the top a piece of paper on the feeding box 10 and open P and transmitted by paper-feed 51 and enter first paper-feeding channel 30.At this moment, definition paper P's faces up.Auxiliary wheel 52 assists paper P is transmitted by the first image processing district 31, and the front of 94 couples of paper P of scan module this moment is scanned.Then, guide bar 80 directs into temporary paper box 41 with paper P from first paper-feeding channel 30.Then, auxiliary wheel 71 counter-rotatings and guide bar 80 are communicated with the temporary paper box 41 and second paper-feeding channel 60, and paper P is imported into second paper-feeding channel 60 from temporary paper box 41.At this moment, scan module 94 position shown in the dotted line that moves right is with the paper P of scanning by the second image processing district 61.At last, paper P is sent to paper output box 20 by auxiliary wheel 72 and 73.At this moment, be arranged in the face down of the paper P of paper output box 20, and a stacker is opened after single-sweep finishes, relative putting in order can't change.
When carrying out single-sweep, be positioned at the top a piece of paper on the feeding box 10 and open P and transmitted by paper-feed 51 and enter first paper-feeding channel 30.Auxiliary wheel 52 assists paper P is transmitted by the first image processing district 31, and the front of 94 couples of paper P of scan module this moment is scanned.Then, guide bar 80 directs into temporary paper box 41 with paper P from first paper-feeding channel 30.Then, paper drops on the paper output box 20 from temporary paper box 41.At this moment, the face down of paper P.And a stacker is opened after single-sweep finishes, and relative putting in order can't change.
Perhaps, when carrying out single-sweep, the paper P of been scanned can directly leave on the temporary paper box 41, as long as will keep in the state that paper box 41 rotates into level of approximation.
Fig. 4 shows the scheme drawing of single face/double-faced scanning device of embodiment two of the present utility model.The present embodiment and first embodiment are similar, but main difference is the top of paper-feed 51 of first paper feed mechanism 50 of present embodiment and is arranged in the inlet of first paper-feeding channel 30, first paper feed mechanism 50 at first will be positioned at bottom a piece of paper on the feeding box 10 and open to transmit by 70 of first paper-feeding channel, 30, the second paper feed mechanisms and be made of two pairs of auxiliary wheels 71,72.When making single-sweep, the length of temporary paper box 41 can be designed so that paper P can turn over turnback and drops on the paper output box 20, and the order that the stacker behind the single-sweep is opened remains unchanged.
Fig. 5 shows the scheme drawing of single face/double-faced scanning device of embodiment three of the present utility model.As shown in Figure 5, automatic carriage device 1 comprises a feeding box 10, paper output box 20, one first paper-feeding channel 30, temporary paper box 41, one first paper feed mechanism 50, second paper-feeding channel 60 and one second paper feed mechanism 70.
Feeding box 10 is used for depositing plurality of sheets of paper to be transmitted and opens.Paper output box 20 is used for leaving in the paper that transmission finishes under the two-sided paper feed pattern.The inlet of first paper-feeding channel 30 is communicated with feeding box 10, and one first image processing district 31 is arranged in first paper-feeding channel 30.Working area 40 is positioned near the outlet 32 of first paper-feeding channel 30, and temporary paper box 41 is arranged in a working area 40, and can be communicated with first paper-feeding channel 30, is used for leaving in the paper that transmission finishes under the single face paper feed pattern.First paper feed mechanism 50 is arranged in first paper-feeding channel 30, comprise a paper-feed 51 and many to auxiliary wheel 52,53,54, the bottom of paper-feed 51 is arranged in the inlet of first paper-feeding channel 30, and auxiliary wheel 52,53,54 decentralized configuration are in first paper-feeding channel 30.First paper feed mechanism 50 is used for that the top a piece of paper that is positioned at feeding box 10 is opened transmission and arrives temporary paper box 41 by first paper-feeding channel 30.The outlet of second paper-feeding channel 60 is communicated with paper output box 20, and the inlet 62 of second paper-feeding channel 60 can be communicated with temporary paper box 41, and be separated by one second image process area 61 of one section preset distance with the first image processing district 31 is arranged in second paper-feeding channel 60.Second paper feed mechanism 70 is positioned at second paper-feeding channel 60, comprises manyly to auxiliary wheel 71,72,73, and auxiliary wheel 71,72,73 decentralized configuration are in second paper-feeding channel 60.Second paper feed mechanism 70 is used for when two-sided paper feed pattern, and the paper that will be positioned at temporary paper box 41 transmits by second paper-feeding channel 60 and arrives paper output box 20.
The temporary paper box 41 and first paper feed mechanism 50 are designed to: when single face paper feed pattern, make the paper from first paper-feeding channel 30 move to and leave on the temporary paper box 41; When two-sided paper feed pattern, the paper from first paper-feeding channel 30 is temporarily stored on the temporary paper box 41, paper is dropped in second paper-feeding channel 60 with opposite direct of travel; And under the transmission of two-sided paper feed pattern and single face paper feed pattern, be positioned at feeding box 10 and paper output box 20 and reach a stacker of keeping in paper box 41 and open and have identical putting in order.
In the present embodiment, second paper-feeding channel 60 62 one of being positioned at first paper-feeding channel 30 that enter the mouth exports 32 below.Therefore, the gravity by paper P drops to second paper-feeding channel 60, does not enter second paper-feeding channel 60 and do not need guide bar to guide paper.
In an example, temporary paper box 41 can rotate into first state (shown in the solid line), make the paper that is arranged on the temporary paper box 41 fall into second paper-feeding channel 60, and second state (shown in the dotted line), the paper that is positioned on the temporary paper box 41 is rested on the temporary paper box 41.
Perhaps, in another example, temporary paper box 41 can have a plate washer 42, baffle plate 42 is between the temporary paper box 41 and second paper-feeding channel 60, it can stretch into first state (shown in the solid line), make the paper that is arranged on the temporary paper box 41 fall into second paper-feeding channel 60, and second state (shown in the dotted line), paper is rested on the temporary paper box 41.
Fig. 6 shows the scheme drawing of single face/double-faced scanning device of embodiment four of the present utility model.The present embodiment and the 3rd and second embodiment are similar.In the present embodiment, the top of paper-feed 51 is arranged in the inlet of paper-feeding channel 30, and therefore the bottom a piece of paper Zhang Shouxian that is positioned on the feeding box 10 is sent to first paper-feeding channel 30.The inlet of second paper-feeding channel 60 is positioned at the below of the outlet of first paper-feeding channel 30, and paper is fallen into second paper-feeding channel 60 in temporary paper box 41, can finish duplex scanning.70 of second paper feed mechanisms are made of two pairs of auxiliary wheels 71,72.Under the pattern of single-sweep, can adopt the design identical with Fig. 4, make paper drop and turn over turnback and arrive on the paper output box 20 from temporary paper box 41.
By the foregoing description, automatic carriage device 1 of the present utility model can carry out single face and two-sided paper feed, and does not influence the relative order that a stacker is opened after single face and two-sided transfer.
The specific embodiment that is proposed in the detailed description of specific embodiment part just is used for illustrating easily technology contents of the present utility model, rather than with the utility model narrow sense be limited in the foregoing description, under the situation that does not exceed spirit of the present utility model and claims scope, the many variations of being done is implemented, and all belongs within the scope of the present utility model.
The reference numeral explanation:
1~automatic paper conveyer
10~feeding box
20~paper output box
30~the first paper-feeding channels
31~the first image treatment regions
32~outlet
40~working area
41~temporary paper box
42~plate washer
50~the first paper feed mechanisms
51~paper-feed
52,53,54~auxiliary wheel
60~the second paper-feeding channels
61~the second image processing districts
62~inlet
70~the second paper feed mechanisms
71,72,73~auxiliary wheel
80~guide bar
90~scanner
91~housing
92~glass platform
93~guide rod
94~scan module
101~two-sided paper feeder
110~feeding box
120~paper output box
130~the first paper-feeding channels
131~scanning area
132~the first guide bars
133~the second guide bars
141~temporary paper box
150~the first paper feed mechanisms
151~paper-feed
152,153,154~auxiliary wheel
160~the second paper-feeding channels
190~scanner
191~housing
192~glass platform
193~guide rod
194~scan module

Claims (9)

1. the automatic carriage device that can carry out two-sided and single face paper feed has single face paper feed pattern and two-sided paper feed pattern, it is characterized in that, comprises:
A feeding box;
A paper output box;
One first paper-feeding channel is communicated with described feeding box, and one first image processing district is arranged in this first paper-feeding channel;
A working area is communicated with described first paper-feeding channel;
One first paper feed mechanism is arranged in described first paper-feeding channel;
One second paper-feeding channel is communicated with described working area and described paper output box, and be separated by one the second image processing district of one section preset distance with the described first image processing district is arranged in this second paper-feeding channel; And
One second paper feed mechanism is arranged in described second paper-feeding channel.
2. the automatic carriage device that carries out two-sided and single face paper feed as claimed in claim 1 is characterized in that, described working area is by a temporary paper box definition, and the length of described temporary paper box is shorter than the length of described paper.
3. the automatic carriage device that carries out two-sided and single face paper feed as claimed in claim 1 is characterized in that, further comprises a guide bar, between the inlet of outlet, working area and second paper-feeding channel of described first paper-feeding channel.
4. the automatic carriage device that carries out two-sided and single face paper feed as claimed in claim 1 is characterized in that, described first paper feed mechanism comprises a paper-feed and many to auxiliary wheel, and that described second paper feed mechanism comprises is many to auxiliary wheel.
5. the automatic carriage device that carries out two-sided and single face paper feed as claimed in claim 4 is characterized in that, described first paper feed mechanism and described second paper feed mechanism are shared a pair of auxiliary wheel.
6. the automatic carriage device that carries out two-sided and single face paper feed as claimed in claim 4 is characterized in that the bottom of described paper-feed is arranged in the inlet of described first paper-feeding channel.
7. the automatic carriage device that carries out two-sided and single face paper feed as claimed in claim 4 is characterized in that the top of described paper-feed is arranged in the inlet of described first paper-feeding channel.
8. the automatic carriage device that carries out two-sided and single face paper feed as claimed in claim 1 is characterized in that, the outlet of the inlet of described second paper-feeding channel and described first paper-feeding channel is positioned at sustained height.
9. the automatic carriage device that carries out two-sided and single face paper feed as claimed in claim 1 is characterized in that the inlet of described second paper-feeding channel is positioned at the below of the outlet of described first paper-feeding channel.
CN 03210137 2003-08-28 2003-08-28 Automatic paper driving device capable of driving paper on single and double side Expired - Fee Related CN2663369Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 03210137 CN2663369Y (en) 2003-08-28 2003-08-28 Automatic paper driving device capable of driving paper on single and double side

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 03210137 CN2663369Y (en) 2003-08-28 2003-08-28 Automatic paper driving device capable of driving paper on single and double side

Publications (1)

Publication Number Publication Date
CN2663369Y true CN2663369Y (en) 2004-12-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 03210137 Expired - Fee Related CN2663369Y (en) 2003-08-28 2003-08-28 Automatic paper driving device capable of driving paper on single and double side

Country Status (1)

Country Link
CN (1) CN2663369Y (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101195445B (en) * 2006-12-08 2011-05-25 光宝科技股份有限公司 Automatic paper feeder and electronic equipment having the same
CN102082891A (en) * 2009-11-27 2011-06-01 虹光精密工业(苏州)有限公司 Sheet-fed scanner with multiple paper feed mechanisms
CN103208159A (en) * 2013-03-15 2013-07-17 深圳市乐州光电技术有限公司 Self-service ticket scanning device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101195445B (en) * 2006-12-08 2011-05-25 光宝科技股份有限公司 Automatic paper feeder and electronic equipment having the same
CN102082891A (en) * 2009-11-27 2011-06-01 虹光精密工业(苏州)有限公司 Sheet-fed scanner with multiple paper feed mechanisms
CN103208159A (en) * 2013-03-15 2013-07-17 深圳市乐州光电技术有限公司 Self-service ticket scanning device
CN103208159B (en) * 2013-03-15 2015-07-15 深圳市乐州光电技术有限公司 Self-service ticket scanning device

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