CN206759573U - Sensor group and contact type image sensor module - Google Patents
Sensor group and contact type image sensor module Download PDFInfo
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- CN206759573U CN206759573U CN201720538777.2U CN201720538777U CN206759573U CN 206759573 U CN206759573 U CN 206759573U CN 201720538777 U CN201720538777 U CN 201720538777U CN 206759573 U CN206759573 U CN 206759573U
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- analog front
- sensor module
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- 230000004308 accommodation Effects 0.000 claims description 13
- 238000004088 simulation Methods 0.000 claims description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 230000005670 electromagnetic radiation Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001427 coherent effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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Abstract
The utility model discloses a sensor group and a contact image sensor module, wherein the sensor group is used for the contact image sensor module and comprises a plurality of sensors, and is used for sensing light reflected by an object to be scanned and converting the sensed light into an analog signal; the analog front end unit is electrically connected to the sensors and is used for receiving analog signals output by the sensors and converting the analog signals into digital signals; and the V-BY-ONE interface unit is electrically connected to the analog front end unit and is used for converting the digital signal output BY the analog front end unit into a signal of a V-BY-ONE standard. The sensor group and the contact type image sensor module can reduce electromagnetic radiation interference and simplify a transmission interface.
Description
Technical field
Sensing field is the utility model is related to, especially with regard to a kind of sensor group and contact image sensor module
(CONTACT IMAGE SENSOR MODULE, abbreviation CISM).
Background technology
Existing scanner, duplicator, facsimile machine or electronic whiteboard application in, mostly with contact image sensor module
As the component for sensing object to be scanned, its type such as word, photo or picture etc. for sensing.
Scanner, duplicator, facsimile machine or electronic whiteboard have a transparent scanning platform, and contact image sensor mould
Block is then disposed on below scanning platform and linked with a transmission module.When scanning object to be scanned, first by transmission module band
The dynamic whole scanning breadth of contact image sensor module scanning, by the sensing of contact image sensor module and follow-up
Coherent signal processing after, produce output result, complete the scanning to object to be scanned.
However as the lifting of technology, scanner, duplicator, facsimile machine or electronic whiteboard can include multiple contact-type images
Sensor assembly, each contact image sensor module are to carry out signal biography by least six signal lines and a master board
It is defeated, that is to say, that more signal lines (at least six are each needed between contact image sensor module and the master board
Signal wire) design, due to the relation of more signal lines, the problem of causing electromagnetic interference.
Furthermore for large scale equipment, such as multi-function peripheral (photocopy, scanning, printing, the biography of office
Very), because equipment volume is big and complex designing, so the cable run distance of signal wire, at least over 1 meter, more signal lines are set
Meter causes cost to increase along with long cable run distance.
Therefore need to propose a solution the problem of being directed to above-mentioned contact image sensor module.
Utility model content
The utility model provides a kind of sensor group and contact image sensor module, and it can be solved in the prior art
Signal wire excessively causes the problem of electromagnetic interference.
Sensor group of the present utility model is used for a contact image sensor module, and the sensor group includes：It is multiple
The light sensed is simultaneously converted to analog signal by sensor, the light reflected for one object to be scanned of sensing；One simulation
Front end unit, is electrically connected to the multiple sensor, and the analog front-end unit is defeated for receiving the multiple sensor institute
The analog signal that goes out simultaneously converts analog signals into data signal；And V-BY-ONE interface units, it is electrically connected to described
Analog front-end unit, the V-BY-ONE interface units are used to be converted to the data signal that the analog front-end unit is exported
The signal of V-BY-ONE standards.
In one embodiment, the data signal is low-voltage differential signal.
In one embodiment, the V-BY-ONE interface units are an integrated circuit.
Contact image sensor module of the present utility model includes：One pedestal, there is an accommodation space；One light source, if
It is placed in the accommodation space；One lens group, it is arranged in the accommodation space and adjacent to the light source；And at least one sensing
Device group, it is arranged in the accommodation space and below the lens group, an at least sensor group includes：Multiple sensings
The light sensed is simultaneously converted to analog signal by device, the light reflected for one object to be scanned of sensing；One AFE(analog front end)
Unit, is electrically connected to the multiple sensor, and the analog front-end unit is used to receive what the multiple sensor was exported
Analog signal simultaneously converts analog signals into data signal；And V-BY-ONE interface units, it is electrically connected to the simulation
Front end unit, the V-BY-ONE interface units are used to the data signal that the analog front-end unit is exported being converted to V-
The signal of BY-ONE standards.
In one embodiment, the data signal is low-voltage differential signal.
In one embodiment, the V-BY-ONE interface units are an integrated circuit.
In one embodiment, the light source includes：An at least driver；And an at least light emitting diode, it is electrically connected with
To an at least driver, wherein at least one being lighted described in the analog front-end unit control at least driver driving
LED lighting.
In the contact image sensor module of sensor group of the present utility model and the use sensor group, V- is used
Multiple input signals are reduced to dual signal output by BY-ONE interface units, therefore contact image sensor mould can be greatly decreased
Signal wire between block and master board, and then electromagnetic interference is reduced, and cost can be saved and increase reliability.
Brief description of the drawings
Fig. 1 shows the schematic diagram of the contact image sensor module according to the embodiment of the utility model one.
Fig. 2 is shown according to a light source of the embodiment of the utility model one, a sensor group and the signal of a master board
Figure.
Label in figure represents respectively：
1st, contact image sensor module；10th, pedestal；
12nd, light source；14th, lens group；
16th, sensor group；20th, master board；
100th, accommodation space；120th, driver；
122nd, light emitting diode；160th, sensor；
162nd, analog front-end unit；164th, V-BY-ONE interface units.
Embodiment
Refer to Fig. 1 and Fig. 2, Fig. 1 show contact image sensor module 1 according to the embodiment of the utility model one
Schematic diagram, Fig. 2 shown according to a light source 12 of the embodiment of the utility model one, a sensor group 16 and a master board
20 schematic diagram.Contact image sensor module 1 of the present utility model can be applied to such as scanner, duplicator, fax
Machine or electronic whiteboard etc. have in the device of similarity.
Contact image sensor module 1 of the present utility model include a pedestal 10, a light source 12, a lens group 14 and
Fig. 2 sensor group 16.It is noted that Fig. 2 shows a sensor group 16, only contact-type image of the present utility model passes
Sensor module 1 can include one or more sensor groups 16.
The pedestal 10 has an accommodation space 100, and the light source 12 is arranged in the accommodation space 100, described
Microscope group 14 is arranged in the accommodation space 100 and the neighbouring light source 12, and the light source 12 and the lens group 14 are lengthwise
Type, the sensor group 16 are arranged in the accommodation space 100 and positioned at the lower sections of lens group 14.
The light source 12 provides light and is irradiated to an object to be scanned, and the lens group 14 reflects object to be scanned
To in the sensor group 16 of lower section, the sensor group 16 senses the light of varying strength light focusing with varying strength
Afterwards again via appropriate image processing, you can produce the information of object to be scanned, the object to be scanned can be, but not limited to for
One file or an entity object.
As shown in Fig. 2 the sensor group 16 includes multiple sensors 160, an AFE(analog front end) (Analog Front
End, AFE) 162 and one V-BY-ONE interface units 164 of unit.
The multiple sensor 160 is used for the light for sensing the varying strength that object to be scanned is reflected and will sensed
Light is converted to analog signal.
The analog front-end unit 162 is electrically connected to the multiple sensor 160, and the analog front-end unit 162 is used
In the analog signal that the multiple sensor 160 of reception is exported, data signal is converted analog signals into, for example, institute
It can be low-voltage differential signal (Low Voltage Differential Signal, LVDS) to state data signal, the simulation
Front end unit 162 converts analog signals into low-voltage differential signal.Because the sensor group 16 includes multiple sensors
160, therefore the analog front-end unit 162 at least needs the low-voltage differential signal of five pairs of output, that is to say, that the simulation
Six signal lines are at least needed between front end unit 162 and the multichannel converting unit 164.
The characteristics of contact image sensor module 1 of the present utility model, is to use the V-BY-ONE interface units
164, the V-BY-ONE interface units 164 are electrically connected to the analog front-end unit 162 and are used for the AFE(analog front end)
The low-voltage differential signal that unit 162 is exported is converted to V-BY-ONE standards (V-BY-ONE standard) signal, brighter
Really say, it is defeated that the low-voltage differential signal that ten channels input can be converted to two channels by the V-BY-ONE interface units 164
The signal of the V-BY-ONE standards gone out.In one embodiment, the V-BY-ONE interface units 164 are an integrated circuit
(Integrated Circuit, abbreviation IC).
The master board 20 is electrically connected to the V-BY-ONE interface units 164 and receives the V- of two channels output
The signal of BY-ONE standards, the scanner applied by the utility model, duplicator, facsimile machine or electronic whiteboard can use more
Individual contact image sensor module 1, therefore the master board 20 is used to integrate the multiple contact image sensor mould
The signal for the V-BY-ONE standards that block 1 is transmitted.
In the prior art, exemplified by using five contact image sensor modules, five contact-type images pass
The signal wire of 30 is needed to carry out transmission signal between sensor module and master board, if using five contacts of the present utility model
Formula image sensor module 1, due to the V-BY-ONE interface units 164, ten input signals can be reduced into dual signal defeated
Go out and the transmitting-receiving of Perform sequence formula, thus five contact image sensor modules 1 of the present utility model and master board 20 it
Between only need the signal wire of ten to carry out transmission signal, that is to say, that contact image sensor module 1 of the present utility model with it is main
/ 5th signal wire is only needed between control panel 20.
Referring again to Fig. 2, the light source 12 includes an at least driver 120 and an at least light emitting diode 122
(Light Emitting Diode, abbreviation LED).
An at least light emitting diode is electrically connected to an at least driver, and the analog front-end unit 162 can
Drive an at least light emitting diode 122 luminous with a further at least driver 120 described in control.Described at least one is luminous
Diode 122 can be the light emitting diode of random color.
In the contact image sensor module of sensor group of the present utility model and the use sensor group, V- is used
Multiple input signals are reduced to dual signal output by BY-ONE interface units, therefore contact image sensor mould can be greatly decreased
Signal wire between block and master board, and then electromagnetic interference is reduced, and cost can be saved and increase reliability.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
Art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as the scope of protection of the utility model.
Claims (7)
1. a kind of sensor group, for a contact image sensor module, it is characterised in that the sensor group includes：
The light sensed is simultaneously converted to simulation letter by multiple sensors, the light reflected for one object to be scanned of sensing
Number；
One analog front-end unit, is electrically connected to the multiple sensor, and the analog front-end unit is the multiple for receiving
Analog signal that sensor is exported simultaneously converts analog signals into data signal；And
One V-BY-ONE interface units, the analog front-end unit is electrically connected to, the V-BY-ONE interface units are used for will
The data signal that the analog front-end unit is exported is converted to the signal of V-BY-ONE standards.
2. sensor group according to claim 1, it is characterised in that the data signal is low-voltage differential signal.
3. sensor group according to claim 1, it is characterised in that the V-BY-ONE interface units are an integrated electricity
Road.
A kind of 4. contact image sensor module, it is characterised in that including：
One pedestal, there is an accommodation space；
One light source, it is arranged in the accommodation space；
One lens group, it is arranged in the accommodation space and adjacent to the light source；And
An at least sensor group, it is arranged in the accommodation space and below the lens group, an at least sensor
Group includes：
The light sensed is simultaneously converted to simulation letter by multiple sensors, the light reflected for one object to be scanned of sensing
Number；
One analog front-end unit, is electrically connected to the multiple sensor, and the analog front-end unit is the multiple for receiving
Analog signal that sensor is exported simultaneously converts analog signals into data signal；And
One V-BY-ONE interface units, the analog front-end unit is electrically connected to, the V-BY-ONE interface units are used for will
The data signal that the analog front-end unit is exported is converted to the signal of V-BY-ONE standards.
5. contact image sensor module according to claim 4, it is characterised in that the data signal is low-voltage
Differential signal.
6. contact image sensor module according to claim 4, it is characterised in that the V-BY-ONE interface units
For an integrated circuit.
7. contact image sensor module according to claim 4, it is characterised in that the light source includes：
An at least driver；And
An at least light emitting diode, an at least driver is electrically connected to,
An at least lumination of light emitting diode described in the driving of an at least driver described in wherein described analog front-end unit control.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW106205441 | 2017-04-19 | ||
| TW106205441U TWM546062U (en) | 2017-04-19 | 2017-04-19 | Sensor assembly and contact image sensor module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206759573U true CN206759573U (en) | 2017-12-15 |
Family
ID=60050443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720538777.2U Active CN206759573U (en) | 2017-04-19 | 2017-05-16 | Sensor group and contact type image sensor module |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN206759573U (en) |
| TW (1) | TWM546062U (en) |
-
2017
- 2017-04-19 TW TW106205441U patent/TWM546062U/en unknown
- 2017-05-16 CN CN201720538777.2U patent/CN206759573U/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| TWM546062U (en) | 2017-07-21 |
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