CN107888799A - Imaging sensor - Google Patents
Imaging sensor Download PDFInfo
- Publication number
- CN107888799A CN107888799A CN201711116692.6A CN201711116692A CN107888799A CN 107888799 A CN107888799 A CN 107888799A CN 201711116692 A CN201711116692 A CN 201711116692A CN 107888799 A CN107888799 A CN 107888799A
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- China
- Prior art keywords
- cover plate
- supporting part
- magnetic
- imaging sensor
- avoid holes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000003384 imaging method Methods 0.000 title claims abstract description 41
- 238000009434 installation Methods 0.000 claims abstract description 16
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 2
- 238000000034 method Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/024—Details of scanning heads ; Means for illuminating the original
- H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/024—Details of scanning heads ; Means for illuminating the original
- H04N1/0249—Arrangements for mounting or supporting elements within a scanning head
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/024—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted
- H04N2201/02452—Arrangements for mounting or supporting elements within a scanning head
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Scanning Arrangements (AREA)
Abstract
The invention provides a kind of imaging sensor, including:Framework, framework have installation cavity and detection opening, and detection opening connects with installation cavity;Magnetic image reading part, magnetic image reading part are used to read the magnetic information on original copy, and magnetic image reading part is arranged in installation cavity;Cover plate, cover plate is used to cover detection opening, and forms receiving space between cover plate and magnetic image reading part;Supporting part, supporting part are arranged in receiving space and contacts settings with cover plate, and supporting part is used to support cover plate, during preventing that original copy from passing through the upper surface of cover plate and cover plate collision and cause cover plate chatter.The present invention solves the problems, such as imaging sensor of the prior art at work because noise caused by cover plate chatter can influence the testing result accuracy of imaging sensor.
Description
Technical field
The present invention relates to image sensing technical field, in particular to a kind of imaging sensor.
Background technology
For the false proof of the original copys such as bank note, bill or marketable securities, mainly using on imaging sensor detection original copy
The mode of magnetic information is realized, i.e., by imaging sensor caused by the extraneous factors such as magnetic field, electric current, ess-strain, temperature, light
The magnetic property of sensing element is converted into electric signal, and come on matching detection original copy by way of being analyzed and processed to electric signal
Corresponding magnetic information, so as to realize the authenticity to original copy.
Existing imaging sensor sets magnetic image reading part generally in framework, and cover plate lid is located at into magnetic image and read
In framework above portion, when there is original copy by the upper surface of cover plate, the upper surface of original copy and cover plate, which collides, can cause to cover
Chatter occurs for plate, and noise caused by the chatter of cover plate high frequency can interfere to signal caused by magnetic image reading part, from
And have impact on magnetic image reading part and produce the accuracy of signal, and then cause imaging sensor to forbid the testing result of original copy
Really, the functional reliability of imaging sensor is reduced.
The content of the invention
It is a primary object of the present invention to provide a kind of imaging sensor, existed with solving imaging sensor of the prior art
The problem of influenceing the testing result accuracy of imaging sensor because of noise caused by cover plate chatter during work.
To achieve these goals, the invention provides a kind of imaging sensor, including:Framework, framework have installation cavity
And detection opening, detection opening connect with installation cavity;Magnetic image reading part, the magnetic letter that magnetic image reading part is used to read on original copy
Breath, magnetic image reading part are arranged in installation cavity;Cover plate, cover plate are used to cover detection opening, and cover plate and magnetic image reading part
Between form receiving space;Supporting part, supporting part are arranged in receiving space and setting are contacted with cover plate, and supporting part is used to support
Cover plate, with prevent original copy pass through cover plate upper surface when with cover plate collide and cause cover plate chatter.
Further, magnetic image reading part includes circuit board, permanent magnet, magnetic chip and control chip, wherein, permanent magnetism position
In the lower section of circuit board, magnetic chip and control chip are connected with circuit board, and are protruded and set towards the side of cover plate.
Further, the lower surface of supporting part abuts with circuit board, and the upper surface of supporting part abuts with cover plate, on supporting part
Avoid holes are further opened with, magnetic chip and control chip are respectively positioned in avoid holes.
Further, the lower surface of supporting part abuts with circuit board, and the upper surface of supporting part abuts with cover plate, on supporting part
Avoid holes are further opened with, avoid holes are two, and two avoid holes are arranged at intervals, and magnetic chip and control chip are set correspondingly
In two avoid holes.
Further, avoid holes are through hole or blind hole.
Further, supporting part is the laminated structure in bar shaped, and avoid holes are bar shaped elongated hole.
Further, supporting part is structure as a whole with cover plate;Or supporting part is structure as a whole with circuit board.
Further, supporting part is made up of non-magnet_conductible material.
Further, cover plate is made of stainless steel.
Further, magnetic image reading part also includes magnetic field homogenizing portion, and magnetic field homogenizing portion is arranged in installation cavity, and is located at
Between permanent magnet and circuit board.
Apply the technical scheme of the present invention, by being set in the receiving space that is formed between magnetic image reading part and cover plate
Supporting part, because supporting part contacts with the lower surface of cover plate, so as to serve the supporting role to cover plate, add the knot of cover plate
Structure intensity, avoid because the phenomenon that cover plate is excessively thin and chatter occurs when being hit occurs, prevent because original copy is by cover plate
Cover plate chatter is caused with cover plate collision and caused noise interferes to signal caused by magnetic image reading part, enter during upper surface
And accuracy of the imaging sensor to the testing result of original copy is ensure that, improve the functional reliability of imaging sensor.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing a further understanding of the present invention, and of the invention shows
Meaning property embodiment and its illustrate be used for explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the internal structure schematic diagram of one imaging sensor according to an embodiment of the invention;
Fig. 2 shows the schematic top plan view of the supporting part of the imaging sensor in Fig. 1;
Fig. 3 shows the internal structure schematic diagram of two imaging sensor according to an embodiment of the invention;
Fig. 4 shows the schematic top plan view of the supporting part of the imaging sensor in Fig. 3;
Fig. 5 shows the internal structure schematic diagram of three imaging sensor according to an embodiment of the invention;
Fig. 6 shows the internal structure schematic diagram of four imaging sensor according to an embodiment of the invention.
Wherein, above-mentioned accompanying drawing marks including the following drawings:
10th, framework;11st, installation cavity;12nd, detection opening;13rd, receiving space;20th, magnetic image reading part;21st, circuit board;
22nd, permanent magnet;23rd, magnetic chip;24th, control chip;25th, magnetic field homogenizing portion;30th, cover plate;40th, supporting part;41st, avoid holes.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Below
Description only actually at least one exemplary embodiment is illustrative, is never used as to the present invention and its application or makes
Any restrictions.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of protection of the invention.
In order to solve imaging sensor of the prior art at work because noise caused by cover plate chatter can influence to scheme
As sensor testing result accuracy the problem of, the invention provides a kind of imaging sensor.
Embodiment one
As depicted in figs. 1 and 2, imaging sensor includes framework 10, magnetic image reading part 20, cover plate 30 and supporting part 40,
Framework 10 has installation cavity 11 and detection opening 12, and detection opening 12 connects with installation cavity 11, and magnetic image reading part 20 is used to read
The magnetic information on original copy is taken, magnetic image reading part 20 is arranged in installation cavity 11, and cover plate 30 is used to cover detection opening 12, and covers
Receiving space 13 is formed between plate 30 and magnetic image reading part 20, supporting part 40 is arranged in receiving space 13 and connect with cover plate 30
Touch and set, supporting part 40 is used to support cover plate 30, to prevent that original copy from colliding when passing through the upper surface of cover plate 30 with cover plate 30 and makes
Into the chatter of cover plate 30.
Supporting part 40 is set by the way that the receiving space 13 formed between magnetic image reading part 20 and cover plate 30 is interior, due to branch
Support part 40 contacts with the lower surface of cover plate 30, and so as to serve the supporting role to cover plate 30, the structure for adding cover plate 30 is strong
Degree, avoid because the phenomenon that cover plate 30 is excessively thin and chatter occurs when being hit occurs, prevent because original copy is by cover plate 30
During upper surface the chatter of cover plate 30 is caused with the collision of cover plate 30 and caused noise causes to signal caused by magnetic image reading part 20
Interference, improves the output performance of signal, while can also increase magnetic induction intensity, and then ensure that imaging sensor to original copy
The accuracy of testing result, improve the functional reliability of imaging sensor.
Alternatively, cover plate 30 is made of stainless steel.So, the anti-wear performance of cover plate 30 is improved, avoids cover plate 30 long-term
Directly contact and be worn with original copy, and influence the aesthetic appearance of imaging sensor.
As shown in figure 1, magnetic image reading part 20 includes circuit board 21, permanent magnet 22, magnetic chip 23 and control chip 24, its
In, permanent magnet 22 is located at the lower section of circuit board 21, and magnetic chip 23 and control chip 24 are connected with circuit board 21, and towards cover plate
30 side protrusion is set.So, permanent magnet 22 is used to produce a constant magnetic field, and magnetic chip 23 is located in magnetic field, works as band
When the original copy for having magnetic information passes through the upper surface of cover plate 30, when magnetic chip 23 detects the magnetic information of original copy, in magnetic chip 23
Magnetic moment direction is changed by the change of external magnetic field, and resistance changes, and will contain original by carrying circuit board 21
Magnetic information on original text is converted into signal, and control chip 24 is used to be controlled signal and amplify signal.
Alternatively, magnetic image reading part 20 also includes magnetic field homogenizing portion 25, and magnetic field homogenizing portion 25 is arranged in installation cavity 11,
And between permanent magnet 22 and circuit board 21.The function in magnetic field homogenizing portion 25 is to make magnetic field caused by permanent magnet 22 more equal
One changes, and strong and weak inhomogenous magnetic field intensity is become consistent, there is provided a stable magnetic field environment.
Alternatively, magnetic field homogenizing portion 25 is iron plate.
In the present embodiment, the lower surface of supporting part 40 abuts with circuit board 21, upper surface and the cover plate 30 of supporting part 40
Abut, be further opened with avoid holes 41 on supporting part 40, magnetic chip 23 and control chip 24 are respectively positioned in avoid holes 41.So, prop up
Support part 40 has not only acted as the effect of protection magnetic chip 23 and control chip 24, and avoid by the setting of avoid holes 41
Supporting part 40 is caused to stop and disturbed to magnetic chip 23 and control chip 24;In addition, supporting part 40 positioned at the periphery of avoid holes 41
Part can play the stable support function to cover plate 30.
In the present embodiment, avoid holes 41 are through hole, so, further increase magnetic chip 23 and detect magnetic information on original copy
Accuracy.
Certainly, in an alternative embodiment (not shown), avoid holes 41 are blind hole.So, magnetic chip 23 and control core
Piece 24 is spaced supporting part 40 with cover plate 30 and set, and supporting part 40 serves barrier effect, avoids the Oscillation Amplitude mistake of cover plate 30
It is in contact with magnetic chip 23 or control chip 24 greatly.
As shown in Fig. 2 in order to adapt to the shape of magnetic chip 23 and control chip 24, supporting part 40 is the sheet in bar shaped
Structure, avoid holes 41 are bar shaped elongated hole.
Alternatively, supporting part 40 is fixed on by way of double spreading between cover plate 30 and circuit board 21, this connection
The characteristics of mode makes to make use of bonding force strong, connect supporting part 40, cover plate 30 and circuit board 21 more firm, so as to improve
The overall structure stability of imaging sensor.
It should be noted that in order to avoid supporting part 40 interferes to magnetic field caused by permanent magnet 22, while avoid doing
The normal work of magnetic chip 23, control chip 24 and circuit board 21 is disturbed, supporting part 40 is made up of non-magnet_conductible material.
Alternatively, supporting part 40 is made of plastics;Preferably, supporting part 40 is made up of PC.Such a material not only has not
The change in magnetic field can be caused, while also have and absorb vibration potential energy, play the effect of vibration damping.
Embodiment two
As shown in Figure 3 and Figure 4, the difference of the embodiment and embodiment one is, the lower surface of supporting part 40 and circuit board
21 are abutted, and the upper surface of supporting part 40 abuts with cover plate 30, and avoid holes 41 are further opened with supporting part 40, and avoid holes 41 are two
Individual, two avoid holes 41 are arranged at intervals, and magnetic chip 23 and control chip 24 are arranged in two avoid holes 41 correspondingly.This
Sample, the part between two avoid holes 41 of supporting part 40 can also play the supporting role to cover plate 30, further keep away
Cover plate 30 is exempted from and chatter occurs, in addition, magnetic chip 23 and control chip 24 are arranged in two avoid holes 41 correspondingly, also
Avoid and disturbed between magnetic chip 23 and control chip 24, so as to improve the job stability of imaging sensor.
Embodiment three
As shown in figure 5, the difference of the embodiment and embodiment one is, supporting part 40 is structure as a whole with cover plate 30.This
Kind structure is easy to real to the integrally casting shaping of cover plate 30 or machining, the program equivalent to the thickness for having thickeied cover plate 30
Existing technique is simple, reduces the design and making of subsequent technique.
Example IV
As shown in fig. 6, the difference of the embodiment and embodiment one is, supporting part 40 is structure as a whole with circuit board 21.
Such a structure is easy to realize work to 21 integrated machine-shaping of circuit board, the program equivalent to the thickness for having thickeied circuit board 21
Skill is simple, reduces the design and making of subsequent technique.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
Unless specifically stated otherwise, the part and positioned opposite, the digital table of step otherwise illustrated in these embodiments
Do not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be appreciated that for the ease of description, each portion shown in accompanying drawing
The size divided not is to be drawn according to the proportionate relationship of reality.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, the technology, method and apparatus should be considered as authorizing explanation
A part for book.In shown here and discussion all examples, any occurrence should be construed as merely exemplary, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should be noted that:Similar label
Similar terms is represented in following accompanying drawing with letter, therefore, once it is defined in a certain Xiang Yi accompanying drawing, then subsequent attached
It need not be further discussed in figure.
In the description of the invention, it is to be understood that the noun of locality such as " forward and backward, upper and lower, left and right ", " laterally, vertical,
Vertically, orientation or position relationship indicated by level " and " top, bottom " etc. are normally based on orientation or position shown in the drawings and closed
System, it is for only for ease of the description present invention and simplifies description, in the case where not making opposite explanation, these nouns of locality do not indicate that
There must be specific orientation with the device or element for implying meaning or with specific azimuth configuration and operation, therefore can not manage
Solve as limiting the scope of the invention;The noun of locality " inside and outside " refers to relative to inside and outside each part profile in itself.
For the ease of description, space relative terms can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be appreciated that space relative terms are intended to comprising the orientation except device described in figure
Outside different azimuth in use or operation.For example, if the device in accompanying drawing is squeezed, it is described as " in other devices
It will be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and
And respective explanations are made to the relative description in space used herein above.
Furthermore, it is necessary to explanation, limits parts, it is only for be easy to using the word such as " first ", " second "
Corresponding parts to be distinguished, do not have Stated otherwise such as, above-mentioned word does not have particular meaning, therefore it is not intended that to this
The limitation of invention protection domain.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, work, device, component and/or combinations thereof.
It should be noted that term " first " in the description and claims of this application and above-mentioned accompanying drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so use
Data can exchange in the appropriate case, so that presently filed embodiment described herein can be with except illustrating herein
Or the order beyond those of description is implemented.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
- A kind of 1. imaging sensor, it is characterised in that including:Framework (10), the framework (10) have installation cavity (11) and a detection opening (12), the detection opening (12) with it is described Installation cavity (11) connects;Magnetic image reading part (20), the magnetic image reading part (20) are used to read the magnetic information on original copy, and the magnetic image is read Portion (20) is taken to be arranged in the installation cavity (11);Cover plate (30), the cover plate (30) are used to cover the detection opening (12), and the cover plate (30) and the magnetic image Receiving space (13) is formed between reading part (20);Supporting part (40), the supporting part (40) are arranged in the receiving space (13) and contacted with the cover plate (30) and set Put, the supporting part (40) is used to support the cover plate (30), to prevent the original copy from passing through the upper surface of the cover plate (30) When with the cover plate (30) collision and cause the cover plate (30) chatter.
- 2. imaging sensor according to claim 1, it is characterised in that the magnetic image reading part (20) includes circuit board (21), permanent magnet (22), magnetic chip (23) and control chip (24), wherein, the permanent magnet (22) is located at the circuit board (21) lower section, the magnetic chip (23) and the control chip (24) are connected with the circuit board (21), and towards described The side protrusion of cover plate (30) is set.
- 3. imaging sensor according to claim 2, it is characterised in that the lower surface of the supporting part (40) and the electricity Road plate (21) abuts, and the upper surface of the supporting part (40) abuts with the cover plate (30), also opened up on the supporting part (40) There are avoid holes (41), the magnetic chip (23) and the control chip (24) are respectively positioned in the avoid holes (41).
- 4. imaging sensor according to claim 2, it is characterised in that the lower surface of the supporting part (40) and the electricity Road plate (21) abuts, and the upper surface of the supporting part (40) abuts with the cover plate (30), also opened up on the supporting part (40) There are avoid holes (41), the avoid holes (41) are two, and two avoid holes (41) are arranged at intervals,The magnetic chip (23) and the control chip (24) are arranged in two avoid holes (41) correspondingly.
- 5. the imaging sensor according to claim 3 or 4, it is characterised in that the avoid holes (41) are through hole or blind hole.
- 6. the imaging sensor according to claim 3 or 4, it is characterised in that the supporting part (40) is the piece in bar shaped Shape structure, the avoid holes (41) are bar shaped elongated hole.
- 7. imaging sensor according to claim 2, it is characterised in thatThe supporting part (40) is structure as a whole with the cover plate (30);OrThe supporting part (40) is structure as a whole with the circuit board (21).
- 8. imaging sensor according to claim 1, it is characterised in that the supporting part (40) is by non-magnet_conductible material system Into.
- 9. imaging sensor according to claim 1, it is characterised in that the cover plate (30) is made of stainless steel.
- 10. imaging sensor according to claim 2, it is characterised in that the magnetic image reading part (20) also includes magnetic Homogenizing portion (25), the magnetic field homogenizing portion (25) are arranged in the installation cavity (11), and positioned at the permanent magnet (22) with Between the circuit board (21).
Priority Applications (1)
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CN201711116692.6A CN107888799B (en) | 2017-11-13 | 2017-11-13 | Image sensor |
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CN201711116692.6A CN107888799B (en) | 2017-11-13 | 2017-11-13 | Image sensor |
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CN107888799A true CN107888799A (en) | 2018-04-06 |
CN107888799B CN107888799B (en) | 2024-02-06 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109523686A (en) * | 2018-11-29 | 2019-03-26 | 威海华菱光电股份有限公司 | Imaging sensor |
CN109584433A (en) * | 2018-11-13 | 2019-04-05 | 威海华菱光电股份有限公司 | Magnetic image sensor |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2004334047A (en) * | 2003-05-09 | 2004-11-25 | Ricoh Co Ltd | Document image reader and image forming apparatus equipped with same document image reader |
CN105574983A (en) * | 2016-02-22 | 2016-05-11 | 威海华菱光电股份有限公司 | Image sensor |
CN106412465A (en) * | 2016-06-14 | 2017-02-15 | 威海华菱光电股份有限公司 | Image sensor |
-
2017
- 2017-11-13 CN CN201711116692.6A patent/CN107888799B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2004334047A (en) * | 2003-05-09 | 2004-11-25 | Ricoh Co Ltd | Document image reader and image forming apparatus equipped with same document image reader |
CN105574983A (en) * | 2016-02-22 | 2016-05-11 | 威海华菱光电股份有限公司 | Image sensor |
CN106412465A (en) * | 2016-06-14 | 2017-02-15 | 威海华菱光电股份有限公司 | Image sensor |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109584433A (en) * | 2018-11-13 | 2019-04-05 | 威海华菱光电股份有限公司 | Magnetic image sensor |
CN109523686A (en) * | 2018-11-29 | 2019-03-26 | 威海华菱光电股份有限公司 | Imaging sensor |
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