CN106101475A - Multifunctional image sensor - Google Patents

Multifunctional image sensor Download PDF

Info

Publication number
CN106101475A
CN106101475A CN201610657343.4A CN201610657343A CN106101475A CN 106101475 A CN106101475 A CN 106101475A CN 201610657343 A CN201610657343 A CN 201610657343A CN 106101475 A CN106101475 A CN 106101475A
Authority
CN
China
Prior art keywords
image
unit
signal
chip
magnetic
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.)
Pending
Application number
CN201610657343.4A
Other languages
Chinese (zh)
Inventor
王辉
姜利
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Weihai Hualing Opto Electronics Co Ltd
Original Assignee
Weihai Hualing Opto Electronics Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Weihai Hualing Opto Electronics Co Ltd filed Critical Weihai Hualing Opto Electronics Co Ltd
Priority to CN201610657343.4A priority Critical patent/CN106101475A/en
Publication of CN106101475A publication Critical patent/CN106101475A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00795Reading arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Facsimile Heads (AREA)

Abstract

The invention provides a kind of Multifunctional image sensor.This Multifunctional image sensor includes: unit is read in light image, for reading the optical image information of original copy;Magnetic image reads unit, for reading the magnetics image information of original copy;Thickness image fetching unit, for reading the thickness image information of original copy, wherein, unit is read in light image, magnetic image reads unit and thickness image fetching unit is spaced setting on the sub scanning direction of Multifunctional image sensor.On the sub scanning direction of Multifunctional image sensor, setting it is spaced owing to above three reads unit, thus in the moving process of above-mentioned original copy, it is capable of its optical image information, magnetism image information and the scanning of thickness image information, and then provides and a kind of integrate optics, magnetism, the Multifunctional image sensor of thickness detection function.

Description

Multifunctional image sensor
Technical field
The present invention relates to sensor technical field, in particular to a kind of Multifunctional image sensor.
Background technology
Along with the fast development of the relevant information industries such as various countries' mechanical industry, electronics, computer, automatization, image passes Sensor plays the most important effect in the national economic development, and imageing sensor can include optical image sensor, magnetic Gas imageing sensor and thickness imageing sensor.
The operation principle of optical image sensor is photosensitive by photosensor chip, carries out opto-electronic conversion, exports the signal of telecommunication, enters And process generation image;The operation principle of magnetism thickness transducer is by magnetism chip sense magnetic, causes the magnetic constituting magnetic chip Resistance generation change in resistance, so output magnitude of voltage change, by voltage signal is processed, generate magnetism figure Picture;Thickness imageing sensor is then by detecting electrode charge inducing, when having thickness object through out-of-date, and sensing on detecting electrode Amount of charge changes, and the magnitude of voltage of output also changes, and by processing voltage signal, generates thickness chart picture.
But above-mentioned 3 kinds of imageing sensors coordinate when being scanned at the same time, because the resolution of optical image sensor Height, existing market main flow is 100DPI, 200DPI, 300DPI, 600DPI etc..The resolution of magnetism sensor, in the market Main flow is the magnetism sensor that 183mm has 18 sub-primes, and such magnetism sensor can not be referred to as magnetism truly Imageing sensor, this magnetism sensor can only detect the presence or absence of magnetism, can not generate magnetism image.The most in the market The film thickness sensor of main flow, the predominantly side such as hall device, reflection-type ultrasound wave, ultrasonic, induction, the eddy current type of transmission-type Formula, can not generate image, i.e. enable and generate image, and its resolution is relatively low.
Owing to the resolution of above-mentioned three kinds of imageing sensors is different, thus have impact on concordance and General Office that signal differentiates Rationality, processes signal discriminating and has a great impact.Further, the most above-mentioned three kinds of imageing sensors enter respectively as a monomer Row scanner uni signal processing, volume is relatively big, to Design of Mechanical Structures such as paper feed passages, and the aspect such as product miniaturization, propose More strict requirements.
Therefore needing a kind of resolution of exploitation badly consistent, control signal is identical, highly integrated collection optics, magnetism, thickness inspection Brake is in the Multifunctional image sensor of one.
Summary of the invention
Present invention is primarily targeted at a kind of Multifunctional image sensor of offer, to provide one collection optics, magnetism, film Thick detection function is in the Multifunctional image sensor of one.
To achieve these goals, according to an aspect of the invention, it is provided a kind of Multifunctional image sensor, wrap Include: unit is read in light image, for reading the optical image information of original copy;Magnetic image reads unit, for reading the magnetic of original copy Learn image information;Thickness image fetching unit, for reading the thickness image information of original copy, wherein, unit, magnetic are read in light image Image fetching unit and thickness image fetching unit are spaced setting on the sub scanning direction of Multifunctional image sensor.
Further, unit is read in light image, magnetic image reads unit and thickness image fetching unit at multifunctional image Resolution on the main scanning direction of sensor is identical, and main scanning direction is perpendicular to sub scanning direction.
Further, unit is read in light image, magnetic image reads unit and thickness image fetching unit when accessing identical Clock input port and signal input port.
Further, unit is read in light image, magnetic image reads unit and accesses identical electricity with thickness image fetching unit Source and earth terminal.
Further, light image is read unit and is included: light source, for being irradiated original copy;Optical lens, is used for receiving Reflection light from original copy;Multiple photoelectric conversion chip, are arranged at intervals at the side of optical lens, and photoelectricity along main scanning direction One side surface of the close optical lens of conversion chip has photosensitive window, and photoelectric conversion chip is used for converting optical signals into electricity Signal;First signal connector part, electrically connects with photoelectric conversion chip, is used for inputting control signal and output photoelectric conversion chip The signal of telecommunication of output.
Further, light image is read unit and is also included: first substrate, and photoelectric conversion chip is arranged at the of first substrate On the surface of side, the first signal connector part is arranged at the second side of the first substrate relative with the first side of first substrate On surface;Lamella lucida, is arranged at the side away from photoelectric conversion chip of optical lens.
Further, magnetic image reads unit and includes: multiple sense magnetic chips, arranges along main scanning direction interval, is used for examining The magnetic signal surveying original copy changes and exports the signal of telecommunication;Magnetic signal processes chip, electrically connects with sense magnetic chip, for sense magnetic chip The signal of telecommunication of output processes and exports, secondary signal interface unit, processes chip with magnetic signal and electrically connects, is used for inputting control Signal processed processes the signal of telecommunication of chip output with output magnetic signal.
Further, magnetic signal processes chip and includes: shift-register circuit, electrically connects with sense magnetic chip, is used for exporting The signal of telecommunication of sense magnetic chip output;Differential amplifier circuit, electrically connects with shift-register circuit, for differential amplification shift LD The signal of telecommunication of device circuit output.
Further, magnetic image reading unit also includes permanent magnet.
Further, magnetic image reads unit and also includes: second substrate, and sense magnetic chip and magnetic signal process chip and be arranged at On the surface of the first side of second substrate, secondary signal interface unit is arranged at second base relative with the first side of second substrate On the surface of the second side of plate;First protection board, be arranged at sense magnetic chip and magnetic signal process chip away from second substrate Side.
Further, thickness image fetching unit includes: at least one public electrode, arranges along main scanning direction interval; Multiple charge inducing chips, and public electrode is along the setting of sub scanning direction interval, and each charge inducing chip is along main scanning direction Interval is arranged, and is used for exporting the signal of telecommunication;3rd signal connector part, electrically connects with charge inducing chip, is used for inputting control letter Number with output charge inducing chip output the signal of telecommunication.
Further, thickness image fetching unit also includes: the 3rd substrate, and public electrode and charge inducing chip are arranged at On the surface of the first side of the 3rd substrate, the 3rd signal connector part is arranged at relative with the surface of the first side of the 3rd substrate On the surface of the second side of the 3rd substrate;Second protection board, be arranged at public electrode and charge inducing chip away from the 3rd base The side of plate.
Further, Multifunctional image sensor also includes framework, and framework has multiple receiving space, and light image is read single Unit, magnetic image reading unit and thickness image fetching unit are embedded in different receiving spaces respectively.
Application technical scheme, it is provided that a kind of Multifunctional image sensor, owing to this multifunctional image senses Device includes that unit is read in light image, magnetic image reads unit and thickness image fetching unit, and reading unit due to light image can For reading the optical image information of original copy, magnetic image reads unit and can be used in reading the magnetics image information of original copy, thickness Image fetching unit can be used in reading the thickness image information of original copy, and above three reads unit and senses at multifunctional image On the sub scanning direction of device, interval is arranged, thus in the moving process of above-mentioned original copy, it is possible to realize to its optical image information, Magnetism image information and the scanning of thickness image information, and then provide one and integrate optics, magnetism, thickness detection function Multifunctional image sensor.
In addition to objects, features and advantages described above, the present invention also has other objects, features and advantages. Below with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
The Figure of description of the part constituting the present invention is used for providing a further understanding of the present invention, and the present invention shows Meaning property embodiment and explanation thereof are used for explaining the present invention, are not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the structural representation of the Multifunctional image sensor of a kind of embodiment offer according to the application;
Fig. 2 shows the structural representation of the Multifunctional image sensor of the another kind of embodiment offer according to the application;
Fig. 3 shows the electrical schematic diagram of the Multifunctional image sensor that a kind of embodiment provides;And
Fig. 4 shows the working timing figure of Multifunctional image sensor corresponding for Fig. 3.
Wherein, above-mentioned accompanying drawing includes the following drawings labelling:
10, unit is read in light image;11, optical lens;12, light source;13, lamella lucida;14, first substrate;15, photoelectricity turns Change chip;16, the first signal connector part;20, magnetic image reads unit;21, permanent magnet;22, second substrate;23, sense magnetic core Sheet;24, magnetic signal processes chip;25, the first protection board;26, secondary signal interface unit;30, thickness image fetching unit; 31, the 3rd substrate;32, charge inducing chip;33, public electrode;34, the second protection board;35, the 3rd signal connector part;40、 Framework;50, the 3rd protection board.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the present invention and the feature in embodiment can phases Combination mutually.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
In order to make those skilled in the art be more fully understood that the present invention program, below in conjunction with in the embodiment of the present invention Accompanying drawing, is clearly and completely described the technical scheme in the embodiment of the present invention, it is clear that described embodiment is only The embodiment of a present invention part rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people The every other embodiment that member is obtained under not making creative work premise, all should belong to the model of present invention protection Enclose.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, " Two " it is etc. for distinguishing similar object, without being used for describing specific order or precedence.Should be appreciated that so use Data can exchange in the appropriate case, in order to embodiments of the invention described herein.Additionally, term " includes " and " tool Have " and their any deformation, it is intended that cover non-exclusive comprising, such as, contain series of steps or unit Process, method, system, product or equipment are not necessarily limited to those steps or the unit clearly listed, but can include the most clear That list to Chu or for intrinsic other step of these processes, method, product or equipment or unit.
As background technology is introduced, needing a kind of resolution of exploitation badly consistent in prior art, control signal is identical, high Spend and integrated integrate optics, magnetism, the Multifunctional image sensor of thickness detection function.
In a kind of typical embodiment of the application, it is provided that a kind of Multifunctional image sensor, as it is shown in figure 1, these are many Function image sensor includes: unit 10 is read in light image, for reading the optical image information of original copy;Magnetic image reads unit 20, for reading the magnetics image information of original copy;Thickness image fetching unit 30, for reading the thickness image information of original copy, Wherein, unit 10 is read in light image, magnetic image reads unit 20 and thickness image fetching unit 30 at Multifunctional image sensor Sub scanning direction on interval arrange.
Read unit owing to this Multifunctional image sensor includes light image, magnetic image reads unit and thickness image reading Unit, reads unit due to light image and can be used in reading the optical image information of original copy, and magnetic image reads unit and can be used in Reading the magnetics image information of original copy, thickness image fetching unit can be used in reading the thickness image information of original copy, and above-mentioned Three are read unit and are spaced setting on the sub scanning direction of Multifunctional image sensor, thus at the moving process of above-mentioned original copy In, it is possible to realize its optical image information, magnetism image information and the scanning of thickness image information, and then provide a kind of collection Optics, magnetism, thickness detection function is in the Multifunctional image sensor of one.
In various embodiments of the present invention, with light image information, magnetic image information and Jie of thickness image information Matter is the one in bank note, bill or marketable securities, represents with original copy.
Furthermore, it is desirable to explanation, " sub scanning direction of Multifunctional image sensor " in the application represents original copy phase For the moving direction of Multifunctional image sensor, " main scanning direction of Multifunctional image sensor " represent with original copy relative to The direction that the moving direction of Multifunctional image sensor is vertical, i.e. main scanning direction is vertical with above-mentioned sub scanning direction.Such as Fig. 1 institute Showing, x direction is the moving direction of original copy, the most above-mentioned sub scanning direction, and y direction is the length of above-mentioned Multifunctional image sensor Bearing of trend or the bearing of trend of its width, and vertical with above-mentioned x direction, above-mentioned sub scanning direction then refers to and above-mentioned x side To the direction vertical with the plane that y direction is constituted.
Including as it is shown in figure 1, unit 10 (CIS) is read in light image: light source 12, for original copy is irradiated;Optical lens Mirror 11, for receiving the reflection light from original copy;Multiple photoelectric conversion chip 15, are arranged at intervals at optical lens along main scanning direction The side of mirror 11, and a side surface of the close optical lens 11 of photoelectric conversion chip 15 has photosensitive window, opto-electronic conversion core Sheet 15 is used for converting optical signals into the signal of telecommunication;First signal connector part 16, electrically connects with photoelectric conversion chip 15, for defeated Enter the signal of telecommunication of control signal and output photoelectric conversion chip 15 output.
Can stably read the light image information on original copy to make light image read unit 10, the application's is a kind of real Executing in example, above-mentioned light image is read unit 10 and is also included: first substrate 14, photoelectric conversion chip 15 is arranged at first substrate 14 On the surface of the first side, the first signal connector part 16 is arranged at the first substrate 14 relative with the first side of first substrate 14 On the surface of the second side;Lamella lucida 13, is arranged at the side away from photoelectric conversion chip 15 of optical lens 11.
Alternatively, first substrate 14 is PCB substrate, designs required figure in PCB substrate, and in PCB substrate Side multiple photoelectric conversion chip 15 is set, arrange first in the side away from photoelectric conversion chip 15 of above-mentioned PCB substrate Signal connector part 16.Light image read the control signal of unit 10 and input/output signal (as CLK, SI, VREF, VDD, GND, SIG-CIS) it is electrically connected with the various electronic units on first substrate 14 by the first signal connector part 16, first Signal connector part 16 can be socket.
Above-mentioned lamella lucida 13 is arranged at the side away from photoelectric conversion chip 15 of optical lens 11, it is possible to read light image The other parts taking unit 10 play a protective role.
Alternatively, lamella lucida 13 is glass plate, and glass plate has outstanding light transmission, enables the emergent light of light source 12 After by lamella lucida 13, it is radiated at original copy more, and then makes optical lens 11 be able to receive that more to be reflected by original copy Light.
Elaborate light image in Multifunctional image sensor below by an alternative embodiment of the present invention and read single The operation principle of unit 10:
When being scanned original copy, light source 12 sends light, is irradiated on original copy through lamella lucida 13, image on original copy, Words etc. produce reflection light, and these reflection light are then passed through lamella lucida 13, enter optical lens 11, and from optical lens 11, another brings out The reflection light come is irradiated on the photosensitive window of photoelectric conversion chip 15, and photosensitive window is photosensitive, photoelectric conversion chip 15 acceptance To optical signal be converted into the signal of telecommunication, and exported away by the first signal connector part 16, original copy constantly moves, and it is remembered The image, the optical information of word that carry will be read continuously and take off, and completes the optical image information scanning process of original copy.
Including as it is shown in figure 1, magnetic image reads unit 20 (MIS): multiple sense magnetic chips 23, along between described main scanning direction Every setting, it is possible to uniformly place by certain resolution along main scanning direction, change for detecting the magnetic signal of original copy and export electricity Signal;Magnetic signal processes chip 24, electrically connects with sense magnetic chip 23, for processing the signal of telecommunication of sense magnetic chip 23 output And export, secondary signal interface unit 26, process chip 24 with magnetic signal and electrically connect, be used for inputting control signal and output magnetic letter Number process chip 24 output the signal of telecommunication.The sense magnetic chip 23 that magnetic image reads in unit 20 is to be made up of magneto-resistor in simple terms 's.
In a kind of embodiment of the application, magnetic signal processes chip 24 and includes: shift-register circuit, with sense magnetic chip 23 Electrical connection, for exporting the signal of telecommunication of sense magnetic chip 23 output;Differential amplifier circuit, electrically connects with shift-register circuit, uses The signal of telecommunication in the output of differential amplification shift-register circuit.Wherein, shift-register circuit can be provided with and feel magnetic core Multiple shift registers that sheet 23 connects one by one;In differential amplifier circuit, input is connected with the outfan of shift register.
Similarly, in order to make magnetic image reading unit 20 can stably read the magnetic image information on original copy, the application A kind of embodiment in, magnetic image read unit 20 also include: second substrate 22, sense magnetic chip 23 and magnetic signal process chip 24 Being arranged on the surface of the first side of second substrate 22, secondary signal interface unit 26 is arranged at the first side with second substrate 22 On the surface of the second side of relative second substrate 22;First protection board 25, is arranged at sense magnetic chip 23 and magnetic signal processes core The side away from second substrate 22 of sheet 24.
Alternatively, second substrate 22 is PCB substrate, designs required figure, and arrange multiple sense in PCB substrate Magnetic chip 23 and magnetic signal process chip 24, process chip 24 in above-mentioned PCB substrate away from sense magnetic chip 23 and magnetic signal Side arranges secondary signal interface unit 26, magnetic image read the control signal of unit 20 and input/output signal (as CLK, SI, VREF, VDD, GND, SIG-MIS) carry out electricity by secondary signal interface unit 26 with the various electronic units on second substrate 22 Connecting, secondary signal interface unit 26 can be socket.
Above-mentioned first protection board 25 is arranged at sense magnetic chip 23 and magnetic signal process chip 24 away from second substrate 22 Side, it is possible to the other parts that magnetic image reads unit 20 play a protective role.
It should be noted that to ensure that magnetic image reads unit 20 and can work normally, the material of the first protection board 25 Matter is non-magnet material.Alternatively, the first protection board 25 is by appointing in plastic plate, hardboard, plank or non-magnetic metallic plate One or more are made.
In a kind of embodiment of the application, magnetic image reads unit 20 and also includes permanent magnet 21.Above-mentioned permanent magnet 21 is corresponding It is arranged at the lower section of sense magnetic chip 23, by the position of permanent magnet 21 is finely adjusted so that feeling the sensitivity of magnetic chip 23 High.In order to make the magneto-resistor sensitivity of sense magnetic chip 23 reach maximum, the centrage of the most multiple sense magnetic chips 23 and permanent magnet The centrage of 21 projection in the upper surface of second substrate 22 overlaps.
The operation principle of magnetic image reading unit 20 in elaboration Multifunctional image sensor in detail below:
When band magnetic original copy is through sense magnetic chip 23, the magneto-resistor of sense magnetic chip 23 changes, so that sense magnetic chip The voltage output of 23 changes, and just can identify the power of magnetic signal, Jin Ersheng by measuring the variable quantity of this voltage Become magnetic image.Original copy constantly moves, and image, the magnetic signal of Word message described on it will be read continuously and take off, complete Become the magnetism image information scanning process of original copy.
As it is shown in figure 1, thickness image fetching unit 30 (DIS) including: at least one public electrode 33, along above-mentioned main scanning Interval, direction is arranged;Multiple charge inducing chips 32, and public electrode 33 is along the setting of sub scanning direction interval, and each charge inducing Chip 32 is arranged along main scanning direction interval, is used for exporting the signal of telecommunication;3rd signal connector part 35, with charge inducing chip 32 Electrical connection, for inputting the signal of telecommunication of control signal and output charge inducing chip 32 output.
Above-mentioned thickness image fetching unit 30 can include the charge inducing formed with above-mentioned multiple charge inducing chips 32 The public electrode 33 that region is isometric, it is also possible to include public electrode 33 the most multiple with charge inducing chip 32, Above-mentioned public electrode 33 forms similar capacity plate antenna structure with corresponding charge inducing chip 32, when charged on public electrode After lotus, each detecting electrode just can induce electric charge.Induce the number of electric charge on detecting electrode to depend in being oppositely arranged The area of two electrodes, two electrodes are separated by a distance, between the quantity of electric charge and two electrodes entrained on public electrode Dielectric constant.In the case of structure is certain, between an electric charge that detecting electrode induces and two electrodes, dielectric constant has Close.
Similarly, for the thickness information making thickness image fetching unit 30 stably to read on original copy, the application A kind of embodiment in, thickness image fetching unit 30 also includes: the 3rd substrate 31, public electrode 33 and charge inducing chip 32 On the surface of the first side being arranged at the 3rd substrate 31, the 3rd signal connector part 35 is arranged at and the first side of the 3rd substrate 31 Relative the 3rd substrate 31 in surface the second side surface on;Second protection board 34, is arranged at public electrode 33 and faradism The side away from the 3rd substrate 31 of lotus chip 32.
Alternatively, the 3rd substrate 31 is PCB substrate, designs required figure, arrange public electrode in PCB substrate 33 and multiple charge inducing chip 32, set in the side away from public electrode 33 and charge inducing chip 32 of above-mentioned PCB substrate Put the 3rd signal connector part 35, the control signal of thickness image fetching unit 30 and input/output signal (as CLK, SI, VREF, VDD, GND, SIG-DIS) carry out electricity by the various electronic units on the 3rd signal connector part 35 and the 3rd substrate 31 Connecting, the 3rd signal connector part 35 can be socket.
Above-mentioned second protection board 34 be arranged at public electrode 33 and charge inducing chip 32 away from the one of the 3rd substrate 31 Side, it is possible to the other parts of thickness image fetching unit 30 are played a protective role.
The operation principle of thickness image fetching unit 30 in elaboration Multifunctional image sensor in detail below:
When original copy is scanned, public electrode 33 powers up, public electrode 33 and charge inducing chip 32 quality inspection Forming electric field, charge inducing chip 32 is charged, and when original copy is above charge inducing chip 32, charge inducing chip 32 is with public Dielectric constant between common electrode 33 changes, and the amount of charge of charge inducing chip 32 sensing changes, the thickness of film to be measured Degree difference, two interelectrode dielectric constants also differ, thus on detecting electrode, the electric charge of sensing also differs, and then make sense The voltage output answering electric charge chip 32 changes, and just can identify the thickness of original copy by measuring the variable quantity of this voltage Degree, and then generate thickness chart picture, original copy constantly moves, and the thickness of original copy just can detect with continuous print.
In a kind of embodiment of the application, unit 10 is read in above-mentioned light image, magnetic image reads unit 20 and thickness chart picture Reading unit 30 and can have common protection board, the lamella lucida 13 in unit 10 is read in the most above-mentioned light image, magnetic image is read Take the first protection board 25 in unit 20 and the second protection board 34 in thickness image fetching unit 30 is collectively forming the 3rd guarantor Backplate 50, as shown in Figure 2.By using public protection board, it is possible to make light image read unit 10, magnetic image reads unit 20 and the upper surface seamless link of thickness image fetching unit 30 3 part, thus when original copy high-velocity scanning, it is ensured that original copy Not paperboard, makes the production of Multifunctional image sensor more succinctly facilitate simultaneously.
In order to protect above-mentioned light image to read unit 10, magnetic image reads unit 20 and thickness image fetching unit 30, this In a kind of embodiment of application, Multifunctional image sensor also includes that framework 40, framework 40 have multiple receiving space, light image Read unit 10, magnetic image reads unit 20 and thickness image fetching unit 30 is embedded in different receiving spaces respectively.Optional Ground, above-mentioned framework 40 is plastic frame, is made by Shooting Technique.
Due to the difference of resolution reading unit each in Multifunctional image sensor, the concordance that signal differentiates can be affected With General Office's rationality, thus to signal discriminating process have a great impact, therefore in the application one embodiment, light image read Unit, magnetic image read unit and thickness image fetching unit resolution on the main scanning direction of Multifunctional image sensor Identical.
Owing in each reading unit, the density of detection chip determines the resolution of reading unit, such that it is able to by adjusting Photoelectric conversion chip 15 in unit 10 is read in light image, magnetic image reads and feels magnetic chip 23 and thickness image reading in unit 20 The quantity and spacing of the charge inducing chip 32 in unit 30, so that above three unit is swept the master of Multifunctional image sensor Retouch and there is on direction identical resolution, such as 100DPI.
Read the control signal that is connected of unit 10 with light image and input/output signal include CLK, SI, VREF, VDD, GND and SIG-CIS, read the control signal that is connected of unit 20 part with magnetic image and input/output signal include CLK, SI, VREF, VDD, GND and SIG-MIS, the control signal being connected with thickness image fetching unit 30 and input/output signal bag Include CLK, SI, VREF, VDD, GND and SIG-DIS.
In a kind of embodiment of the application, unit 10 is read in light image, magnetic image reads unit 20 and thickness image reading Unit 30 accesses identical input end of clock mouth and signal input port;Unit 10 is read in light image, magnetic image reads unit 20 Identical power end and earth terminal is accessed with thickness image fetching unit 30.
The control signal of Multifunctional image sensor and connection block chart such as Fig. 3 of input/output signal in above-described embodiment Shown in, by making light image read unit 10, magnetic image reads unit 20 and the control signal of thickness image fetching unit 30 (CLK, SI) and power supply signal (VREF, VDD, GND) share, so that drive control signal is simple and easily controllable;And And, above three reads unit only needs respective output signal, and signal processing system only need to output signal SIG-CIS, SIG-MIS, SIG-DIS carry out differentiation process, it is possible to analyze the optics on original copy, magnetism and thickness information.
Sequential chart such as Fig. 4 institute of the control signal of Multifunctional image sensor and input/output signal in above-described embodiment Show, due to light image read unit 10, magnetic image read unit 20 and thickness image fetching unit 30 control signal (CLK, SI) and power supply signal (VREF, VDD, GND) share so that signal sequence is identical, it is easy to control;Further, above three is read Take unit only to need each via respective output signal, the analog signal output form on SIG-CIS, SIG-MIS, SIG-DIS Identical, signal processing system just can use identical sample mode to enter the signal on SIG-CIS, SIG-MIS, SIG-DIS Row sampling analysis.
As can be seen from the above description, the above embodiments of the present invention achieve following technique effect:
1, the Multifunctional image sensor in the application is capable of its optical image information, magnetism image information and thickness The scanning of degree image information, and then provide a kind of multifunctional image sensing integrating optics, magnetism, thickness detection function Device;
2, unit is read in light image, magnetic image reads unit and thickness image fetching unit at Multifunctional image sensor Resolution on main scanning direction is identical, it is to avoid the concordance differentiating signal and the impact of General Office's rationality such that it is able to Analyze the optics on original copy, magnetism and thickness information quickly;
3, by making light image read unit, magnetic image reads unit and the control signal of thickness image fetching unit and Power supply signal shares, so that drive control signal is simple and easy to control.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made any repaiies Change, equivalent, improvement etc., should be included within the scope of the present invention.

Claims (13)

1. a Multifunctional image sensor, it is characterised in that including:
Unit (10) is read in light image, for reading the optical image information of original copy;
Magnetic image reads unit (20), for reading the magnetics image information of described original copy;
Thickness image fetching unit (30), for reading the thickness image information of described original copy,
Wherein, unit (10) is read in described light image, described magnetic image reads unit (20) and described thickness image fetching unit (30) on the sub scanning direction of described Multifunctional image sensor, interval is arranged.
Multifunctional image sensor the most according to claim 1, it is characterised in that described light image reading unit (10), Described magnetic image reads unit (20) and described thickness image fetching unit (30) is swept the master of described Multifunctional image sensor Retouch the resolution on direction identical, and described main scanning direction is perpendicular to described sub scanning direction.
Multifunctional image sensor the most according to claim 1, it is characterised in that described light image reading unit (10), Described magnetic image reads unit (20) and described thickness image fetching unit (30) accesses identical input end of clock mouth and signal Input port.
Multifunctional image sensor the most according to claim 1, it is characterised in that described light image reading unit (10), Described magnetic image reads unit (20) and described thickness image fetching unit (30) accesses identical power end and earth terminal.
Multifunctional image sensor the most according to any one of claim 1 to 4, it is characterised in that described light image is read Take unit (10) to include:
Light source (12), for being irradiated described original copy;
Optical lens (11), for receiving the reflection light from described original copy;
Multiple photoelectric conversion chip (15), are arranged at intervals at the side of described optical lens (11) along main scanning direction, and described One side surface of the close described optical lens (11) of photoelectric conversion chip (15) has photosensitive window, described photoelectric conversion chip (15) it is used for converting optical signals into the signal of telecommunication;
First signal connector part (16), electrically connects with described photoelectric conversion chip (15), is used for inputting control signal and output The signal of telecommunication that described photoelectric conversion chip (15) exports.
Multifunctional image sensor the most according to claim 5, it is characterised in that described light image reads unit (10) also Including:
First substrate (14), on the surface of the first side that described photoelectric conversion chip (15) is arranged at described first substrate (14), Described first signal connector part (16) is arranged at the described first substrate relative with the first side of described first substrate (14) (14) on the surface of the second side;
Lamella lucida (13), is arranged at the side away from described photoelectric conversion chip (15) of described optical lens (11).
Multifunctional image sensor the most according to any one of claim 1 to 4, it is characterised in that described magnetic image is read Take unit (20) to include:
Multiple sense magnetic chips (23), are arranged along main scanning direction interval, change for detecting the magnetic signal of described original copy and export The signal of telecommunication;
Magnetic signal processes chip (24), electrically connects with described sense magnetic chip (23), for export described sense magnetic chip (23) The signal of telecommunication processes and exports,
Secondary signal interface unit (26), processes chip (24) with described magnetic signal and electrically connects, be used for inputting control signal with defeated Go out described magnetic signal and process the signal of telecommunication that chip (24) exports.
Multifunctional image sensor the most according to claim 7, it is characterised in that described magnetic signal processes chip (24) bag Include:
Shift-register circuit, electrically connects with described sense magnetic chip (23), is used for exporting the electricity that described sense magnetic chip (23) exports Signal;
Differential amplifier circuit, electrically connects with described shift-register circuit, defeated for shift-register circuit described in differential amplification The signal of telecommunication gone out.
Multifunctional image sensor the most according to claim 7, it is characterised in that described magnetic image reads unit (20) also Including permanent magnet (21).
Multifunctional image sensor the most according to claim 7, it is characterised in that described magnetic image reads unit (20) Also include:
Second substrate (22), described sense magnetic chip (23) and described magnetic signal process chip (24) and are arranged at described second substrate (22), on the surface of the first side, described secondary signal interface unit (26) is arranged at and the first side of described second substrate (22) On the surface of the second side of relative described second substrate (22);
First protection board (25), be arranged at described sense magnetic chip (23) and described magnetic signal process chip (24) away from described the The side of two substrates (22).
11. Multifunctional image sensors according to any one of claim 1 to 4, it is characterised in that described thickness chart picture Read unit (30) to include:
At least one public electrode (33), is arranged along main scanning direction interval;
Multiple charge inducing chips (32), and described public electrode (33) is along the setting of sub scanning direction interval, and each described sensing Electric charge chip (32) is arranged along main scanning direction interval, is used for exporting the signal of telecommunication;
3rd signal connector part (35), electrically connects with described charge inducing chip (32), is used for inputting control signal and output The signal of telecommunication that described charge inducing chip (32) exports.
12. Multifunctional image sensors according to claim 11, it is characterised in that described thickness image fetching unit (30) also include:
3rd substrate (31), described public electrode (33) and described charge inducing chip (32) are arranged at described 3rd substrate (31) The first side surface on, described 3rd signal connector part (35) is arranged at the table of the first side with described 3rd substrate (31) On the surface of the second side of described 3rd substrate (31) that face is relative;
Second protection board (34), be arranged at described public electrode (33) and described charge inducing chip (32) away from the described 3rd The side of substrate (31).
13. Multifunctional image sensors according to any one of claim 1 to 4, it is characterised in that described multifunctional drawing Also including that as sensor framework (40), described framework (40) have multiple receiving space, unit (10), institute are read in described light image State magnetic image reading unit (20) and described thickness image fetching unit (30) is embedded in different described receiving spaces respectively.
CN201610657343.4A 2016-08-11 2016-08-11 Multifunctional image sensor Pending CN106101475A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610657343.4A CN106101475A (en) 2016-08-11 2016-08-11 Multifunctional image sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610657343.4A CN106101475A (en) 2016-08-11 2016-08-11 Multifunctional image sensor

Publications (1)

Publication Number Publication Date
CN106101475A true CN106101475A (en) 2016-11-09

Family

ID=57455507

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610657343.4A Pending CN106101475A (en) 2016-08-11 2016-08-11 Multifunctional image sensor

Country Status (1)

Country Link
CN (1) CN106101475A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107610315A (en) * 2017-09-29 2018-01-19 威海华菱光电股份有限公司 Multifunctional image sensor
CN107886614A (en) * 2017-11-28 2018-04-06 威海华菱光电股份有限公司 Magnetism sensor
CN107993332A (en) * 2017-12-07 2018-05-04 威海华菱光电股份有限公司 Magnetic image sensor
CN107993333A (en) * 2017-12-12 2018-05-04 威海华菱光电股份有限公司 Magnetic image sensor

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203416339U (en) * 2013-06-28 2014-01-29 深圳市中钞信达金融科技有限公司 Sensor for detecting magneto-optical image
CN103929562A (en) * 2014-04-29 2014-07-16 威海华菱光电股份有限公司 Image sensor and image scanning and thickness detecting method
CN105094296A (en) * 2014-05-12 2015-11-25 株式会社东芝 Information input and output apparatus and information input and output element
CN105333809A (en) * 2015-12-04 2016-02-17 威海华菱光电股份有限公司 Thickness detecting sensor
CN105574983A (en) * 2016-02-22 2016-05-11 威海华菱光电股份有限公司 Image sensor
CN205405679U (en) * 2016-02-22 2016-07-27 威海华菱光电股份有限公司 Image sensor
CN205945912U (en) * 2016-08-11 2017-02-08 威海华菱光电股份有限公司 Multi -functional image sensor

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203416339U (en) * 2013-06-28 2014-01-29 深圳市中钞信达金融科技有限公司 Sensor for detecting magneto-optical image
CN103929562A (en) * 2014-04-29 2014-07-16 威海华菱光电股份有限公司 Image sensor and image scanning and thickness detecting method
CN105094296A (en) * 2014-05-12 2015-11-25 株式会社东芝 Information input and output apparatus and information input and output element
CN105333809A (en) * 2015-12-04 2016-02-17 威海华菱光电股份有限公司 Thickness detecting sensor
CN105574983A (en) * 2016-02-22 2016-05-11 威海华菱光电股份有限公司 Image sensor
CN205405679U (en) * 2016-02-22 2016-07-27 威海华菱光电股份有限公司 Image sensor
CN205945912U (en) * 2016-08-11 2017-02-08 威海华菱光电股份有限公司 Multi -functional image sensor

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107610315A (en) * 2017-09-29 2018-01-19 威海华菱光电股份有限公司 Multifunctional image sensor
WO2019062421A1 (en) * 2017-09-29 2019-04-04 威海华菱光电股份有限公司 Multifunctional image sensor
CN107886614A (en) * 2017-11-28 2018-04-06 威海华菱光电股份有限公司 Magnetism sensor
CN107993332A (en) * 2017-12-07 2018-05-04 威海华菱光电股份有限公司 Magnetic image sensor
WO2019109676A1 (en) * 2017-12-07 2019-06-13 威海华菱光电股份有限公司 Magnetic image sensor
CN107993333A (en) * 2017-12-12 2018-05-04 威海华菱光电股份有限公司 Magnetic image sensor

Similar Documents

Publication Publication Date Title
CN106101475A (en) Multifunctional image sensor
EP3399504B1 (en) Magnetic image sensor
CN103336251B (en) Magneto-resistor imaging sensor array
CN107608549A (en) A kind of induction panel, display device and its driving method
CN103985189A (en) Device for measuring thickness of banknote
CN103971445A (en) Paper money thickness detecting device
CN205945912U (en) Multi -functional image sensor
CN108291947A (en) Magnetic field sensor and the detector for magnetic field for having it
WO1998038792A1 (en) Magnetoresistive scanning system
CN103929562B (en) Imaging sensor, image scanning and thickness detecting method
CN107148641A (en) Image read-out
CN203800995U (en) Image sensor
WO2017054682A1 (en) Film thickness detection apparatus
CN201839354U (en) Contact type image sensor
KR20020000789A (en) Inspection apparatus and sensor
CN104345979A (en) Touch panel, information recording medium, and information acquisition method
WO2018157614A1 (en) Film thickness detection device and method
CN203825702U (en) Bank note thickness detector
CN207397373U (en) Multifunctional image sensor
CN206019570U (en) Thickness detection apparatus
CN103996237B (en) Sheet detection device and image reading device
CN107993333A (en) Magnetic image sensor
CN203825703U (en) Bank note thickness detection tool
CN203825715U (en) Bank note thickness measuring device
CN107610315A (en) Multifunctional image sensor

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20161109

RJ01 Rejection of invention patent application after publication