CN111532824A - Automatic printer correction paper feeding device based on light sensation control principle - Google Patents
Automatic printer correction paper feeding device based on light sensation control principle Download PDFInfo
- Publication number
- CN111532824A CN111532824A CN202010379208.4A CN202010379208A CN111532824A CN 111532824 A CN111532824 A CN 111532824A CN 202010379208 A CN202010379208 A CN 202010379208A CN 111532824 A CN111532824 A CN 111532824A
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- CN
- China
- Prior art keywords
- shell
- gear
- movably connected
- swing joint
- control principle
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
- B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
- B65H7/06—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to presence of faulty articles or incorrect separation or feed
- B65H7/10—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to presence of faulty articles or incorrect separation or feed responsive to incorrect side register
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
- B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
- B65H7/14—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors by photoelectric feelers or detectors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H9/00—Registering, e.g. orientating, articles; Devices therefor
- B65H9/20—Assisting by photoelectric, sonic, or pneumatic indicators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2801/00—Application field
- B65H2801/03—Image reproduction devices
- B65H2801/06—Office-type machines, e.g. photocopiers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2801/00—Application field
- B65H2801/03—Image reproduction devices
- B65H2801/12—Single-function printing machines, typically table-top machines
Abstract
The invention relates to the technical field of computer output equipment, and discloses an automatic correction paper feeding device of a printer based on a light sensation control principle, which comprises a shell and a first gear, wherein a partition plate is movably connected inside the shell, a lamp belt is movably connected inside the partition plate, a photosensitive assembly is movably connected inside the shell, a first rotating wheel is movably connected inside the shell, a track is movably connected outside the first rotating wheel, and a fixed rod is fixedly connected inside the shell; through the shell, the baffle, the lamp area, photosensitive assembly, runner one, the track, the dead lever, the ratchet, the kelly, under the interact between the runner two, can be so whether have the condition of sheltering from to the photo resistance according to beating printing paper, transmission between the structure can be with beating printing paper conveying for getting into the printing range completely, until can being printed, just so avoided the position that the adjustment that the user need relapse beat printing paper to the setting of ratchet can assist and prevent beating the moving of printing paper.
Description
Technical Field
The invention relates to the technical field of computer output equipment, in particular to an automatic correction paper feeding device of a printer based on a light sensation control principle.
Background
The output device is a terminal device of a computer hardware system, and is used for receiving output display, printing, sound of computer data, controlling peripheral device operation and the like. Various calculation result data or information are also expressed in the form of numbers, characters, images, sounds, and the like. Common output devices include displays, printers, plotters, video output systems, voice output systems, magnetic recording devices, and the like. The output device is a generic term for a device that transmits outside world information to a computer and a device that returns a processing result to the outside world. The returned results may be as visually experienced by the user or as input to other devices controlled by the computer.
The output device of computer has a lot, the printer is also known by people as the most common output device, the printer can be with characters, pictures etc. print on the paper, very big convenient people's life, when printing to the image, generally belong to small-size printer to the color printer that the image was printed, this kind of small-size printer often can need the user to print paper card accurate position and just can print, if not the perpendicular paper feed groove card is gone into, the unable circumstances of printing such as card paper will appear, will need to use readjustment, can waste time more like this, also there is the possibility that can cause the printer part to damage, and when beating printing paper and not getting into printing the scope completely, the unable circumstances of printing also can appear.
Therefore, in order to solve these problems, an automatic correction paper feeding device for a printer based on the light sensation control principle is required.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an automatic correction paper feeding device of a printer based on a light sensation control principle, which has the advantages of assisting paper feeding and correcting the paper feeding direction, and solves the problems that when an image is printed, a color printer for printing the image generally belongs to a small-sized printer, the small-sized printer usually needs a user to clamp the printing paper at an accurate position for printing, if the printing paper is not clamped into a vertical paper feeding groove, the situation that paper jam and the like cannot be printed occurs, readjustment is needed, time is wasted, printer parts can be damaged, and when printing paper does not completely enter a printing range, the printing paper cannot be printed.
(II) technical scheme
In order to achieve the purposes of assisting paper feeding and correcting the paper feeding direction, the invention provides the following technical scheme: the utility model provides a printer automatic correction paper feed device based on light sense control principle, including shell and gear one, the inside swing joint of shell has the baffle, the inside swing joint of baffle has the lamp area, the inside swing joint of shell has photosensitive element, the inside swing joint of shell has runner one, the outside swing joint of runner one has the track, the inside fixedly connected with dead lever of shell, the outside fixedly connected with ratchet of dead lever, the outside swing joint of dead lever has the kelly, the outside swing joint of dead lever has runner two, the outside swing joint of gear one has gear two, gear two's outside fixedly connected with gear three, gear three's outside swing joint has the ratch.
Preferably, a paper feeding groove is formed in the surface of the shell, a shading curtain is movably connected to the inner side of the paper feeding groove, a gear is movably connected to the inside of the shell, at least five lamp beads are arranged inside the lamp strip, and the lamp beads are uniformly distributed inside the partition plate.
Preferably, photosensitive element mainly comprises shading shell, transparent shell and photo resistance, and the shading shell is fixed in the inside of shell, and the surface at the shading shell is inlayed to the transparent shell, and photo resistance swing joint is in the inside of shading shell, and the specification of transparent shell and the specification phase-match of lamp pearl.
Preferably, the rotating shaft is fixedly connected to the outer portion of the first rotating wheel, the outer portion of the rotating shaft is movably connected to the inner portion of the shell, and the position of the crawler is matched with the position of the partition plate.
Preferably, the external fixed connection of the second rotating wheel is not less than five fixed columns and is uniformly distributed on the external of the second rotating wheel, the specification of the clamping rod is matched with the specifications of the ratchet wheel and the fixed columns, the external of the clamping rod is movably connected with the ratchet wheel and the external of the fixed columns, and the external of the second rotating wheel is movably connected with the crawler.
Preferably, the second gear is movably connected inside the shell, the second gear is movably connected outside the first gear, the third gear is a special-shaped gear, and the two third gears correspond to each other in position.
Preferably, the first gear is electrically connected with the photoresistor and the driving power supply, and the rotating shaft is electrically connected with the photoresistor and the driving power supply.
(III) advantageous effects
Compared with the prior art, the invention provides an automatic correction paper feeding device of a printer based on a light sensation control principle, which has the following beneficial effects:
1. this automatic paper feed device of correcting of printer based on light sense control principle, through the shell, the baffle, the lamp area, photosensitive assembly, runner one, the track, the dead lever, the ratchet, the kelly, under the interact between the runner two, can be so that beat the condition whether there is the sheltering from to photo resistance according to beating printer paper, transmission between the structure can be with beating the printing paper conveying for getting into the printing range completely, until can being printed, just so avoided the position that the user need relapse adjustment beat printer paper, and the ratchet set up can assist and prevent beating the moving of printer paper.
2. This automatic correction paper feed device of printer based on light sense control principle, through under the interact between gear one, gear two, gear three, the ratch, can be so that whether have the condition of sheltering from completely to the photo resistance according to beating printing paper, the direction of correcting the paper feed through the motion of ratch, avoid beating the change that the printing paper takes place the position and then cause the condition that the no way was printed, also can avoid the spare part damage of the printer that the card paper caused.
Drawings
FIG. 1 is a schematic partial cross-sectional view of the inventive structure;
FIG. 2 is a schematic view of the structure of FIG. 1 at A according to the present invention;
FIG. 3 is a schematic view of the structure of FIG. 1 at B according to the present invention;
FIG. 4 is a schematic view of the connection relationship between the first gear, the second gear, the third gear and the rack bar according to the present invention;
fig. 5 is a schematic structural diagram of the connection relationship among the housing, the partition, the lamp strip and the photosensitive element according to the present invention.
In the figure: 1. a housing; 2. a first gear; 3. a partition plate; 4. a light strip; 5. a photosensitive element; 6. a first rotating wheel; 7. a crawler belt; 8. fixing the rod; 9. a ratchet wheel; 10. a clamping rod; 11. a second rotating wheel; 12. a second gear; 13. a third gear; 14. a toothed bar.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an automatic correction paper feeding device of a printer based on a light sensation control principle comprises a shell 1 and a first gear 2, wherein a partition plate 3 is movably connected inside the shell 1, a lamp strip 4 is movably connected inside the partition plate 3, a paper feeding groove is formed in the surface of the shell 1, a shading curtain is movably connected to the inner side of the paper feeding groove, the first gear 2 is movably connected inside the shell 1, and at least five lamp beads are arranged inside the lamp strip 4 and uniformly distributed inside the partition plate 3; the inside swing joint of shell 1 has photosensitive assembly 5, and photosensitive assembly 5 mainly comprises shading shell, transparent shell and photo resistance, and the shading shell is fixed in the inside of shell 1, and the surface at the shading shell is inlayed to the transparent shell, and photo resistance swing joint is in the inside of shading shell, the specification of transparent shell and the specification phase-match of lamp pearl.
The inner part of the shell 1 is movably connected with a first rotating wheel 6, the outer part of the first rotating wheel 6 is movably connected with a crawler belt 7, the outer part of the first rotating wheel 6 is fixedly connected with a rotating shaft, the outer part of the rotating shaft is movably connected with the inner part of the shell 1, and the position of the crawler belt 7 is matched with the position of the partition plate 3; the inside of the shell 1 is fixedly connected with a fixed rod 8, the outside of the fixed rod 8 is fixedly connected with a ratchet 9, the outside of the fixed rod 8 is movably connected with a clamping rod 10, the outside of the fixed rod 8 is movably connected with a second rotating wheel 11, the outside of the second rotating wheel 11 is fixedly connected with at least five fixed columns which are uniformly distributed outside the second rotating wheel 11, the specification of the clamping rod 10 is matched with the specifications of the ratchet 9 and the fixed columns, the outside of the clamping rod 10 is movably connected with the ratchet 9 and the outside of the fixed columns, and the outside of the second rotating wheel 11 is movably connected with the crawler 7; through shell 1, baffle 3, lamp area 4, photosensitive assembly 5, a runner 6, track 7, dead lever 8, ratchet 9, card pole 10, under the interact between two 11 of runner, can be so that whether there is the condition of sheltering from to the photo resistance according to beating printing paper, transmission between the structure can be for getting into the printing paper conveying of printing the scope completely, until can being printed, just so avoided the position that the user need repeated adjustment beat printing paper, and ratchet 9's setting can assist preventing beating the moving of printing paper.
A second gear 12 is movably connected to the outside of the first gear 2, a third gear 13 is fixedly connected to the outside of the second gear 12, the second gear 12 is movably connected to the inside of the shell 1, two second gears 12 are movably connected to the outside of the first gear 2, the third gear 13 is a special-shaped gear, and the positions of the two third gears 13 are corresponding to each other; a gear rod 14 is movably connected to the outside of the gear III 13, the gear I2 is electrically connected with the photoresistor and the driving power supply, and the rotating shaft is electrically connected with the photoresistor and the driving power supply; under the mutual action among the gear I2, the gear II 12, the gear III 13 and the toothed bar 14, the direction of paper feeding can be corrected through the movement of the toothed bar 14 according to whether printing paper completely shields the photoresistor, the situation that printing paper is changed in position and cannot be printed by any method is avoided, and damage to parts of the printer caused by paper jam can also be avoided.
Working process and principle, when the device starts to be started, the automatic correction paper feeding device of the printer based on the light sensation control principle comprises a shell 1 and a first gear 2, a partition plate 3 is movably connected inside the shell 1, a lamp strip 4 is movably connected inside the partition plate 3, a photosensitive component 5 is movably connected inside the shell 1, a first rotating wheel 6 is movably connected inside the shell 1, a crawler 7 is movably connected outside the first rotating wheel 6, a fixed rod 8 is fixedly connected inside the shell 1, a ratchet wheel 9 is fixedly connected outside the fixed rod 8, a clamping rod 10 is movably connected outside the fixed rod 8, a second rotating wheel 11 is movably connected outside the fixed rod 8, a paper feeding groove is formed in the surface of the shell 1, a shading curtain is movably connected inside the paper feeding groove, a first gear 2 is movably connected inside the shell 1, and at least five lamp beads are arranged inside the lamp strip 4, the photosensitive assemblies 5 are mainly composed of shading shells, transparent shells and photosensitive resistors, the shading shells are fixed inside the shell 1, the transparent shells are embedded on the surfaces of the shading shells, the photosensitive resistors are movably connected inside the shading shells, the specifications of the transparent shells are matched with the specifications of lamp beads, the outer part of the first rotating wheel 6 is fixedly connected with a rotating shaft, the outer part of the rotating shaft is movably connected inside the shell 1, the position of the crawler 7 is matched with the position of the partition 3, the outer part of the second rotating wheel 11 is fixedly connected with at least five fixed columns which are uniformly distributed outside the second rotating wheel 11, the specifications of the clamping rod 10 are matched with the ratchet wheel 9 and the specifications of the fixed columns, the outer part of the clamping rod 10 is movably connected with the ratchet wheel 9 and the outer part of the fixed columns, the outer part of the second rotating wheel 11 is movably connected with the crawler 7, and the rotating shaft is electrically connected; at this moment, beat printer paper from paper feed groove insert inside shell 1 when the user, if beat printer paper and do not shelter from or completely hide the photo resistor, the light of lamp pearl still can be received by photo resistor, its resistance can not produce huge change, will make drive power supply drive pivot rotate this moment, the pivot rotates and drives a runner 6 and rotate, a runner 6 rotates and drives the motion of track 7, the motion of track 7 drives two 11 motions of runner, two 11 motions of runner drive the motion of kelly 10 under the effect of fixed column, make kelly 10 not contact with ratchet 9, make two 11 of runner can unidirectional rotation like this, thereby make 7 outside beat printer paper of track move left, make beat printer paper and can get into the scope of printing.
The outer part of the first gear 2 is movably connected with a second gear 12, the outer part of the second gear 12 is fixedly connected with a third gear 13, the outer part of the third gear 13 is movably connected with a toothed bar 14, the second gear 12 is movably connected inside the shell 1, the outer part of the first gear 2 is movably connected with two second gears 12, the third gear 13 is a special-shaped gear, the positions of the two third gears 13 correspond to each other, and the first gear 2 is electrically connected with a photosensitive resistor and a driving power supply; at the moment, the resistance value of the photoresistor does not change greatly, so that the first driving gear 2 of the driving power supply rotates, the second driving gear 2 rotates to drive the second gear 12 to rotate, the second driving gear 12 rotates to drive the third gear 13 to rotate, the third gear 13 rotates to drive the toothed bar 14 to move, and the toothed bar 14 moves to enable the printing paper deviation direction to be corrected.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a printer automatic correction paper feed device based on light sense control principle, includes shell (1) and gear (2), its characterized in that: the inside swing joint of shell (1) has baffle (3), the inside swing joint of baffle (3) has lamp area (4), the inside swing joint of shell (1) has photosensitive assembly (5), the inside swing joint of shell (1) has runner (6), the outside swing joint of runner (6) has track (7), the inside fixedly connected with dead lever (8) of shell (1), the outside fixedly connected with ratchet (9) of dead lever (8), the outside swing joint of dead lever (8) has kelly (10), the outside swing joint of dead lever (8) has runner two (11), the outside swing joint of gear one (2) has gear two (12), the outside fixedly connected with gear three (13) of gear two (12), the outside swing joint of gear three (13) has ratch (14).
2. The automatic correction paper feeding device of printer based on light sensation control principle as claimed in claim 1, wherein: the surface of shell (1) has seted up the paper feed groove, and the inboard swing joint in paper feed groove has the window shade, gear (2) swing joint in the inside of shell (1), and the inside in lamp area (4) is provided with and is no less than five lamp pearls to evenly distributed is in the inside of baffle (3).
3. The automatic correction paper feeding device of printer based on light sensation control principle as claimed in claim 1, wherein: photosensitive element (5) mainly comprise shading shell, transparent shell and photo resistance, and the shading shell is fixed in the inside of shell (1), and transparent shell inlays on the surface of shading shell, and photo resistance swing joint is in the inside of shading shell, the specification of transparent shell and the specification phase-match of lamp pearl.
4. The automatic correction paper feeding device of printer based on light sensation control principle as claimed in claim 1, wherein: the rotating shaft is fixedly connected to the outer portion of the first rotating wheel (6), the outer portion of the rotating shaft is movably connected to the inner portion of the shell (1), and the position of the crawler belt (7) is matched with the position of the partition plate (3).
5. The automatic correction paper feeding device of printer based on light sensation control principle as claimed in claim 1, wherein: the external fixed connection of the second rotating wheel (11) is not less than five fixing columns and is uniformly distributed outside the second rotating wheel (11), the specification of the clamping rod (10) is matched with the specifications of the ratchet wheel (9) and the fixing columns, the external of the clamping rod (10) is movably connected with the ratchet wheel (9) and the fixing columns, and the external of the second rotating wheel (11) is movably connected with the crawler belt (7).
6. The automatic correction paper feeding device of printer based on light sensation control principle as claimed in claim 1, wherein: the second gear (12) is movably connected inside the shell (1), the first gear (2) is movably connected with the second gear (12), the third gear (13) is a special-shaped gear, and the positions of the third gear (13) correspond to those of the second gear.
7. The automatic correction paper feeding device of printer based on light sensation control principle as claimed in claim 1, wherein: the first gear (2) is electrically connected with the photosensitive resistor and the driving power supply, and the rotating shaft is electrically connected with the photosensitive resistor and the driving power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010379208.4A CN111532824A (en) | 2020-05-07 | 2020-05-07 | Automatic printer correction paper feeding device based on light sensation control principle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010379208.4A CN111532824A (en) | 2020-05-07 | 2020-05-07 | Automatic printer correction paper feeding device based on light sensation control principle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111532824A true CN111532824A (en) | 2020-08-14 |
Family
ID=71971631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010379208.4A Withdrawn CN111532824A (en) | 2020-05-07 | 2020-05-07 | Automatic printer correction paper feeding device based on light sensation control principle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111532824A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112249809A (en) * | 2020-10-16 | 2021-01-22 | 南京晨荣电子商务有限公司 | Auxiliary device is used in production of twisted-pair line that intelligence was made |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU523013A1 (en) * | 1974-03-01 | 1976-07-30 | Ярославский политехнический институт | Device for feeding and orientation of sheet material |
| DE2913410A1 (en) * | 1979-04-04 | 1980-10-16 | Koenig & Bauer Ag | Photoelectric measurement of printer paper edge position - uses rows of optical fibres with individual opto-electrical transducers |
| CN1039652A (en) * | 1988-07-26 | 1990-02-14 | 海德堡印刷机械股份公司 | Detect the device of edge position |
| US5034781A (en) * | 1989-06-07 | 1991-07-23 | Kabushiki Kaisha Toshiba | Image forming with tilting register rollers to correct alignment |
| EP1039261A2 (en) * | 1999-03-24 | 2000-09-27 | Fife Corporation | Light sensor for web-guiding apparatus |
| CN201062173Y (en) * | 2007-07-09 | 2008-05-21 | 崴强科技股份有限公司 | Paper feeder having paper sheet edge sensing apparatus |
| CN107601096A (en) * | 2017-10-23 | 2018-01-19 | 湖州天骊正隆电子科技有限公司 | A kind of printing equipment of automatic smooth paper supply |
-
2020
- 2020-05-07 CN CN202010379208.4A patent/CN111532824A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU523013A1 (en) * | 1974-03-01 | 1976-07-30 | Ярославский политехнический институт | Device for feeding and orientation of sheet material |
| DE2913410A1 (en) * | 1979-04-04 | 1980-10-16 | Koenig & Bauer Ag | Photoelectric measurement of printer paper edge position - uses rows of optical fibres with individual opto-electrical transducers |
| CN1039652A (en) * | 1988-07-26 | 1990-02-14 | 海德堡印刷机械股份公司 | Detect the device of edge position |
| US5034781A (en) * | 1989-06-07 | 1991-07-23 | Kabushiki Kaisha Toshiba | Image forming with tilting register rollers to correct alignment |
| EP1039261A2 (en) * | 1999-03-24 | 2000-09-27 | Fife Corporation | Light sensor for web-guiding apparatus |
| CN201062173Y (en) * | 2007-07-09 | 2008-05-21 | 崴强科技股份有限公司 | Paper feeder having paper sheet edge sensing apparatus |
| CN107601096A (en) * | 2017-10-23 | 2018-01-19 | 湖州天骊正隆电子科技有限公司 | A kind of printing equipment of automatic smooth paper supply |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112249809A (en) * | 2020-10-16 | 2021-01-22 | 南京晨荣电子商务有限公司 | Auxiliary device is used in production of twisted-pair line that intelligence was made |
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Application publication date: 20200814 |
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