CN2768087Y - Contact image sensing module with motion detecting function - Google Patents
Contact image sensing module with motion detecting function Download PDFInfo
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- CN2768087Y CN2768087Y CN 200520002424 CN200520002424U CN2768087Y CN 2768087 Y CN2768087 Y CN 2768087Y CN 200520002424 CN200520002424 CN 200520002424 CN 200520002424 U CN200520002424 U CN 200520002424U CN 2768087 Y CN2768087 Y CN 2768087Y
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- base plate
- composite base
- motion detection
- circuit substrate
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Abstract
The utility model relates to a contact type image sensing module with a motion detecting function, which comprises a main circuit base plate, a linear sensing assembly array, at least one motion detecting assembly, a light source, a light conducting device and a detecting surface, wherein the main circuit base plate is a soft-hard composite base plate, the structure of which leads the linear sensing assembly array to form a sloping angle, the linear sensing assembly array is provided with at least one contrasting and sensing assembly which corresponds to the at least one motion detecting assembly, and a section of reference image data and a section of contrast image data of a sensed body can be respectively extracted by the motion detecting assembly and the contrasting and sensing assembly. The relative motion speed of the sensed body which relatives to the motion detecting assembly and the contrasting and sensing assembly can be obtained through shift time discrimination mathematical calculation processing and speed discrimination mathematical calculation processing. When the light source is transmitted to the sensed body, the structure of the light conducting device makes light rays even.
Description
Technical field
The utility model relates to a kind of image sensing module, particularly a kind of contact-type image sensing module with motion detection function.
Background technology
Image sensing module applied optics technology is to extract the image of a sensed body.With the image sensing module with finger scan function is example, for extracting the face type image of a fingerprint, this image sensing module needs to detect this fingerprint and moves thereon movement velocity, obtaining the fingerprint image of fragment, and further with its calculation process to be integrated into a complete fingerprint image.
Known image sensing module with motion detection function, as announce a kind of " the using the method and apparatus of linear transducer " of being disclosed in Taiwan patent TW544630 number of 2003/8/1 with scanning fingerprint, it comprises a linear device for image, a cylinder, a light source, a focalizer and a rotation detector.This cylinder is used for a fingerprint and is moved thereon.The light of this light source is passed to this cylinder, and this light is reflexed to this focalizer by this fingerprint, and this light is focused on this linearity device for image by this focalizer.This rotation detector is in order to detect the rotational speed of this cylinder, with the movement velocity of further this fingerprint of acquisition.
Above-mentioned known image sensing module with motion detection function need be judged by cylinder and rotation detector the movement velocity of fingerprint to cause the complex structure of whole image sensing module and volume big, is not suitable for being assembled in the electronic equipment of miniaturization.
Secondly, can not there be skew the position of this focalizer, just can make light be passed to this linearity device for image exactly, and its permissible tolerance is little, and requiring of causing assembling is too high, influences product percent of pass.
And it is even inadequately that this light source is transmitted to the light intensity of this cylinder, causes the calculation process complexity of known image sensing module to the fingerprint image of its extraction, and efficient is low.
In addition, if the quantity of this light source of increase and arranged spaced under this cylinder, not only still have the uniform inadequately problem of light intensity, and more cause the increase of its cost and the increase of power consumption.
Therefore, as from the foregoing, above-mentioned known image sensing module with motion detection function on reality is used, obviously has inconvenience and disappearance, and remains to be improved.
Therefore, propose a kind of reasonable in design and effectively improve the utility model of above-mentioned disappearance.
Summary of the invention
Fundamental purpose of the present utility model, be to provide a kind of contact-type image sensing module with motion detection function, make the framework of its sensing component can detect the speed of related movement of a sensed body with respect to this sensing component, to dwindle its volume, be installed in the shared space of electronic equipment thereby save it.
Another purpose of the present utility model is to provide a kind of contact-type image sensing module with motion detection function, and it is bigger to make the light of its light source be passed to the permissible tolerance of the formed light path of its sensing component, to promote product percent of pass.
Another purpose of the present utility model is to provide a kind of contact-type image sensing module with motion detection function, and the light when making its light source be passed to a sensed body is more even, to promote the calculation process efficient to the image of the sensed body of its extraction.
Another purpose of the present utility model is to provide a kind of contact-type image sensing module with motion detection function, makes the requirement of its light source and power consumption few, to reduce its cost and to prolong its service time.
In order to reach above-mentioned purpose, the utility model mainly provides a kind of contact-type image sensing module with motion detection function, comprises a main circuit substrate, a linear sensing component array, at least one motion detection assembly, a light source and a detection faces; This linearity sensing component array is located on this main circuit substrate; This at least one motion detection assembly be located on this main circuit substrate and configured in parallel in a side of this linearity sensing component array; This detection faces is defined in a side of this linearity sensing component array and this at least one motion detection assembly; Wherein this detection faces is in order to put a sensed body thereon, and the light of this light source is passed to this detection faces, and this light is reflexed to this linearity sensing component array and this at least one motion detection assembly by this sensed body.
In preferred embodiment, this linearity sensing component array has a plurality of image sensing components, and at least one described image sensing component is corresponding to this at least one motion detection assembly and be defined as at least one contrast sensing component.
Contrast sensing component by this motion detection assembly and this linearity sensing component array extracts one section with reference to image data and one section contrast image data to this sensed body respectively, differentiate the calculation process of mathematical expression and speed differentiation mathematical expression through a shift count, can obtain the speed of related movement of this sensed body with respect to this motion detection assembly and this contrast sensing component, therefore, can dwindle the volume of image sensing module of the present utility model.
In preferred embodiment, this main circuit substrate is a soft or hard composite base plate, this soft or hard composite base plate comprises one first rigid circuit substrate, one second rigid circuit substrate, one the 3rd rigid circuit substrate, with at least one soft circuit board, this first rigid circuit substrate, this second rigid circuit substrate, electrically connect this at least one soft circuit board and form one first composite base plate respectively with the 3rd rigid circuit substrate, one second composite base plate, with one the 3rd composite base plate, this second composite base plate and the 3rd composite base plate are with respect to each updip one predetermined angle of this first composite base plate, this linearity sensing component array and this at least one motion detection assembly are located on this second composite base plate, and this light source is located on the 3rd composite base plate.
In preferred embodiment, this main circuit substrate is a soft or hard composite base plate, this soft or hard composite base plate comprises one first rigid circuit substrate, one second rigid circuit substrate, with a soft circuit board, this first rigid circuit substrate and this second rigid circuit substrate electrically connect this soft circuit board and form one first composite base plate respectively and one second composite base plate, this second composite base plate is with respect to this first composite base plate updip, one predetermined angle, this linearity sensing component array and this at least one motion detection assembly are located on this second composite base plate, and this light source is located on this first composite base plate.
By the structure of this soft or hard composite base plate, make this linearity sensing component array be an angle that tilts, dwindling whole volume, and increase the permissible tolerance of the light path of this light source.
In preferred embodiment, it comprises a guiding device, and this guiding device axially is parallel to this linearity sensing component array, and an end of this guiding device is adjacent to this light source.
By the structure of this guiding device, it is more even to make this light source be passed to the light of this sensed body, and reduces the requirement and the power consumption of this light source.
Description of drawings
Fig. 1 is the schematic top plan view of the soft or hard composite base plate that the utlity model has contact-type image sensing module first embodiment of motion detection function, linear sensing component array, motion detection assembly and light source.
Fig. 2 is the partial cutaway schematic of soft or hard composite base plate that the utlity model has contact-type image sensing module first embodiment of motion detection function.
Fig. 3 is the schematic perspective view of the soft or hard composite base plate that the utlity model has contact-type image sensing module first embodiment of motion detection function, linear sensing component array, motion detection assembly and light source.
Fig. 4 is another schematic perspective view of the soft or hard composite base plate that the utlity model has contact-type image sensing module first embodiment of motion detection function, linear sensing component array, motion detection assembly and light source.
Fig. 5 is the schematic perspective view of the soft or hard composite base plate that the utlity model has contact-type image sensing module first embodiment of motion detection function, linear sensing component array, motion detection assembly, light source and focalizer.
Fig. 6 is the schematic perspective view that the utlity model has contact-type image sensing module first embodiment of motion detection function.
Fig. 7 is the diagrammatic cross-section that the utlity model has contact-type image sensing module first embodiment of motion detection function.
Fig. 8 is the schematic top plan view of the soft or hard composite base plate that the utlity model has contact-type image sensing module second embodiment of motion detection function, linear sensing component array, motion detection assembly and light source.
Fig. 9 is the schematic perspective view of the soft or hard composite base plate that the utlity model has contact-type image sensing module second embodiment of motion detection function, linear sensing component array, motion detection assembly and light source.
Figure 10 is another schematic perspective view of the soft or hard composite base plate that the utlity model has contact-type image sensing module second embodiment of motion detection function, linear sensing component array, motion detection assembly and light source.
Figure 11 is the schematic perspective view of the soft or hard composite base plate that the utlity model has contact-type image sensing module second embodiment of motion detection function, linear sensing component array, motion detection assembly, light source and focalizer.
Figure 12 is the schematic perspective view that the utlity model has contact-type image sensing module second embodiment of motion detection function.
The number in the figure explanation:
1 main circuit substrate
10 soft circuit boards
101 perforation
102 electric-conductors
11 first rigid circuit substrates
12 second rigid circuit substrates
121 weld pads
13 the 3rd rigid circuit substrates
14 first composite base plates
15 second composite base plates
16 the 3rd composite base plates
The α angle
The β angle
2 linear sensing component arrays
20 contrast sensing components
21 motion detection assemblies
3 light sources
4 focalizers
5 guiding devices
50 reflectings surface
51 exiting surfaces
The A detection faces
8 bodies
9 sensed bodies
Embodiment
For further setting forth the utility model is to reach technological means and the effect that predetermined purpose is taked, see also following about detailed description of the present utility model and accompanying drawing, believe the purpose of this utility model, feature and characteristics, can be goed deep into thus and concrete understanding, yet accompanying drawing only provides reference and explanation usefulness, is not to be used for the utility model is limited.
See also Fig. 1 to shown in Figure 7, be the utility model first embodiment.The utility model is a kind of contact-type image sensing module with motion detection function, comprise a main circuit substrate 1, one linear sensing component array 2, at least one motion detection assembly 21, a light source 3, a focalizer 4, a guiding device 5 and a detection faces A, wherein:
Fig. 2 marks an embodiment of this soft or hard composite base plate, wherein this first composite base plate (figure slightly), this second composite base plate 15 and the 3rd composite base plate (figure slightly) respectively are provided with a plurality of perforation 101 and a plurality of electric-conductor 102, and each electric-conductor 102 is located at the inside surface of each corresponding perforation 101 and is electrically connected this first rigid circuit substrate (figure slightly) and this at least one soft circuit board 10, this second rigid circuit substrate 12 and this at least one soft circuit board 10 and the 3rd rigid circuit substrate (figure slightly) and this at least one soft circuit board 10.The second rigid circuit substrate 12 of this second composite base plate 15 is provided with a plurality of weld pads 121 in addition, and described weld pad 121 electrically connects local corresponding electric-conductor 102 respectively.
This second composite base plate 15 and the 3rd composite base plate 16 are with respect to this first composite base plate 14 each updip one predetermined angle α, β.In the present embodiment, this second composite base plate 15 is with respect to these first composite base plate, 14 updips, 45 degree, and the 3rd composite base plate 16 is with respect to these first composite base plate, 14 updips, 90 degree.Yet described predetermined angle α, β also can be various predetermined angle such as 30 degree, 60 degree or 75 degree.
Linear sensing component array 2, it extracts the image of the sensed body 9 of a plurality of fragments in order to sectional type ground.This linearity sensing component array 2 is located on second composite base plate 15 of this main circuit substrate 1.This linearity sensing component array 2 has a plurality of contact-type image sensing assemblies (CIS, Contact ImageSensor).This linearity sensing component array 2 is with chip package base plate (COB, Chip-On-Board) mode is electrically connected at second rigid circuit substrate 12 and the described weld pad 121 of this second composite base plate 15, and by this at least one soft circuit board 10 reach and the first rigid circuit substrate 11 of this first composite base plate 14 between electric connection.
At least one motion detection assembly 21, its be located on second composite base plate 15 of this main circuit substrate 1 and configured in parallel in a side of this linearity sensing component array 2.This at least one motion detection assembly 21 is a contact-type image sensing assembly.This at least one motion detection assembly 21 is electrically connected at this second rigid circuit substrate 12 in the mode of chip package base plate, and by this at least one soft circuit board 10 reach and the first rigid circuit substrate 11 of this first composite base plate 14 between electric connection.
At least one described image sensing component is corresponding to this at least one motion detection assembly 21 and be defined as at least one contrast sensing component 20.
Focalizer 4, as be lens, it axially is parallel to this linearity sensing component array 2.
Guiding device 5, as be a light transmissive rob, it axially is parallel to this linearity sensing component array 2, an end of this guiding device 5 is adjacent to this light source 3, this focalizer 4 this guiding device 5 and should linearity sensing component array 2 between.This guiding device 5 axially forms a reflecting surface 50 and an exiting surface 51 along it, and this exiting surface 51 is corresponding to this focalizer 4.This focalizer 4 and this guiding device 5 are supported on the body 8 of an electronic equipment.But this focalizer 4 also one is connected in or is connected to this guiding device 5.
Detection faces A, it is defined in a side of this linearity sensing component array 2 and this at least one motion detection assembly 21.As shown in Figure 7, this detection faces A is defined in this reflecting surface 50, in order to put a sensed body 9 (as a fingerprint) thereon.
As shown in Figure 7, this sensed body 9 is displaced on this detection faces A along a longitudinal direction of image sensing module of the present utility model, promptly is displaced on this reflecting surface 50 along a longitudinal direction perpendicular to this linearity sensing component array 2.The ray cast of this light source 3 is to an end of this guiding device 5, and this guiding device 5 is guided this light equably in it.This light is passed to this detection faces A, this light is reflected through these exiting surfaces 51 to this focalizer 4 by this sensed body 9, and this light is focused on this linearity sensing component array 2 and this at least one motion detection assembly 21 by this focalizer 4, and further be carried out calculation process, image with the sensed body 9 of integrating fragment becomes a complete image, to finish the work of image authentication.
When this sensed body 9 is displaced on this detection faces A, the contrast sensing component 20 of this motion detection assembly 21 and this linearity sensing component array 2 according to the time sequencing of sampling respectively to this sensed body 9 repeat to extract spatial domain one with reference to an image data and a contrast image data, and this is with reference to image data and one section these contrast image data to choose one section respectively, differentiate the calculation process of mathematical expression and speed differentiation mathematical expression through a shift count, can obtain the speed of related movement of this sensed body 9 with respect to this motion detection assembly 21 and this contrast sensing component 20, structure that need not known complexity, therefore, can dwindle the volume of image sensing module of the present utility model, be installed in the shared space of electronic equipment thereby save it.In addition,, can avoid original image data to be subject to the influence of the property difference of environment, electrical noise or each sensing component, therefore, make this speed of related movement more accurate by the computing of this shift count differentiation mathematical expression and this speed differentiation mathematical expression.
Because the soft circuit board 10 of this soft or hard composite base plate can be bent, make this linearity sensing component array 2 be an angle that tilts.Therefore, the height of image sensing module of the present utility model and vertically the degree of depth shorten, make the volume-diminished that it is whole, thereby be assembled in the electronic equipment of miniaturization easily.In addition, the permissible tolerance of the light path of this light source 3 increases.Therefore, its product percent of pass promotes.In addition, the distance of this motion detection assembly 21 and this linearity sensing component array 2 is near, and cooperates the updip adjustment of this first composite base plate 14, can avoid the distortion of image.
The light-guiding function of this guiding device 5 makes that light source 3 quantity requireds of image sensing module of the present utility model are few, and makes that the light of this light source 3 is more even.Therefore, its cost reduction and power consumption are little, and can promote the calculation process efficient of image sensing module of the present utility model to the image of the sensed body of its extraction.
See also Fig. 8 to shown in Figure 12, be the utility model second embodiment.The difference of second embodiment and first embodiment is this main circuit substrate 1 and this light source 3.In the present embodiment, this main circuit substrate 1 is a soft or hard composite base plate, and this soft or hard composite base plate comprises one first rigid circuit substrate 11, one second a rigid circuit substrate 12 and a soft circuit board 10.This first rigid circuit substrate 11 electrically connects this soft circuit board 10 and forms one first composite base plate 14 and one second composite base plates 15 with these soft circuit board 10 stacked gluing mutually respectively with this second rigid circuit substrate 12, and this second composite base plate 15 is with respect to these first composite base plate, 14 updips one predetermined angle α.This light source 3 with dual inline type assembling (DIP, mode Dual-In-Line-Package) is electrically connected on the first rigid circuit substrate 11 of this first composite base plate 14, therefore, the light source 3 of present embodiment directly is located on this first composite base plate 14.So, also can reach the effect of above-mentioned first embodiment.
Yet this main circuit substrate 1 also can be a traditional rigid circuit substrate, and obtains this speed of related movement by this shift count differentiation mathematical expression and this speed differentiation mathematical expression.
Characteristics of the present utility model and advantage:
Therefore, the contact-type image sensing module with motion detection function of the present utility model has as following characteristics:
1, this motion detection assembly and contrast sensing component that should linearity sensing component array extract one section with reference to image data and one section contrast image data to this sensed body respectively, differentiate the calculation process of mathematical expression and speed differentiation mathematical expression through a shift count, can obtain the speed of related movement of this sensed body with respect to this motion detection assembly and this contrast sensing component, therefore, can dwindle the volume of image sensing module of the present utility model, be installed in the shared space of electronic equipment thereby save it.
2, the structure of this soft or hard composite base plate makes this linearity sensing component array be an angle that tilts, and dwindling whole volume, thereby makes image sensing module of the present utility model be assembled in the electronic equipment of miniaturization easily.
3, the structure of this soft or hard composite base plate makes this linearity sensing component array be an angle that tilts, and with the permissible tolerance of the light path that increases this light source, thereby product percent of pass is promoted.
4, the structure of this guiding device, the light when making this light source be passed to this sensed body is more even, therefore, can promote the calculation process efficient of image sensing module of the present utility model to the image of the sensed body of its extraction.
5, the structure of this guiding device can reduce the requirement and the power consumption of this light source, therefore, can reduce the cost of image sensing module of the present utility model and prolong its service time.
But the above, only be the detailed description and the accompanying drawing of specific embodiment of the utility model, be not in order to restriction the utility model and feature of the present utility model, the equivalence that those of ordinary skill under all in the technical field is done according to spirit of the present utility model is modified or is changed, and all should be contained in the claim of the present utility model.
Claims (19)
1, a kind of contact-type image sensing module with motion detection function is characterized in that, comprising:
One main circuit substrate;
One linear sensing component array, it is located on this main circuit substrate;
At least one motion detection assembly, its be located on this main circuit substrate and configured in parallel in a side of this linearity sensing component array;
One light source; And
One detection faces, it is defined in a side of this linearity sensing component array and this at least one motion detection assembly; Wherein
This detection faces is in order to put a sensed body thereon, and the light of this light source is passed to this detection faces, and this light is reflexed to this linearity sensing component array and this at least one motion detection assembly by this sensed body.
2, contact-type image sensing module with motion detection function as claimed in claim 1, it is characterized in that, this main circuit substrate is a soft or hard composite base plate, this soft or hard composite base plate comprises one first rigid circuit substrate, one second rigid circuit substrate, one the 3rd rigid circuit substrate, with at least one soft circuit board, this first rigid circuit substrate, this second rigid circuit substrate, electrically connect this at least one soft circuit board and form one first composite base plate respectively with the 3rd rigid circuit substrate, one second composite base plate, with one the 3rd composite base plate, this second composite base plate and the 3rd composite base plate are with respect to each updip one predetermined angle of this first composite base plate, this linearity sensing component array and this at least one motion detection assembly are located on this second composite base plate, and this light source is located on the 3rd composite base plate.
3, the contact-type image sensing module with motion detection function as claimed in claim 2, it is characterized in that, this first composite base plate, this second composite base plate and the 3rd composite base plate respectively are provided with a plurality of perforation and a plurality of electric-conductor, and each electric-conductor is located at the inside surface of each corresponding perforation and is electrically connected this first rigid circuit substrate and this at least one soft circuit board, this second rigid circuit substrate and this at least one soft circuit board and the 3rd rigid circuit substrate and this at least one soft circuit board.
4, the contact-type image sensing module with motion detection function as claimed in claim 2 is characterized in that, this second composite base plate is with respect to these first composite base plate updip, 45 degree.
5, the contact-type image sensing module with motion detection function as claimed in claim 2 is characterized in that, the 3rd composite base plate is with respect to these first composite base plate updip, 90 degree.
6, the contact-type image sensing module with motion detection function as claimed in claim 2, it is characterized in that this linearity sensing component array and this at least one motion detection assembly are electrically connected at this second rigid circuit substrate in the mode of chip package base plate.
7, the contact-type image sensing module with motion detection function as claimed in claim 2 is characterized in that, this light source is electrically connected at the 3rd rigid circuit substrate in the mode of chip package base plate.
8, contact-type image sensing module with motion detection function as claimed in claim 1, it is characterized in that, this main circuit substrate is a soft or hard composite base plate, this soft or hard composite base plate comprises one first rigid circuit substrate, one second rigid circuit substrate, with a soft circuit board, this first rigid circuit substrate and this second rigid circuit substrate electrically connect this soft circuit board and form one first composite base plate respectively and one second composite base plate, this second composite base plate is with respect to this first composite base plate updip, one predetermined angle, this linearity sensing component array and this at least one motion detection assembly are located on this second composite base plate, and this light source is located on this first composite base plate.
9, the contact-type image sensing module with motion detection function as claimed in claim 8, it is characterized in that, this first composite base plate and this second composite base plate respectively are provided with a plurality of perforation and a plurality of electric-conductor, and each electric-conductor is located at the inside surface of each corresponding perforation and is electrically connected this first rigid circuit substrate and this soft circuit board and this second rigid circuit substrate and this soft circuit board.
10, the contact-type image sensing module with motion detection function as claimed in claim 8 is characterized in that, this second composite base plate is with respect to these first composite base plate updip, 45 degree.
11, the contact-type image sensing module with motion detection function as claimed in claim 8, it is characterized in that this linearity sensing component array and this at least one motion detection assembly are electrically connected at this second rigid circuit substrate in the mode of chip package base plate.
12, the contact-type image sensing module with motion detection function as claimed in claim 8 is characterized in that, this light source is electrically connected at this first rigid circuit substrate in the mode of dual inline type assembling.
13, the contact-type image sensing module with motion detection function as claimed in claim 1, it is characterized in that, this linearity sensing component array has a plurality of image sensing components, and at least one described image sensing component is corresponding to this at least one motion detection assembly and be defined as at least one contrast sensing component.
14, the contact-type image sensing module with motion detection function as claimed in claim 1, it is characterized in that, this linearity sensing component array has a plurality of contact-type image sensing assemblies, and this at least one motion detection assembly is a contact-type image sensing assembly.
15, the contact-type image sensing module with motion detection function as claimed in claim 1 is characterized in that, this light source is a light emitting diode.
16, the contact-type image sensing module with motion detection function as claimed in claim 1 is characterized in that, comprises a guiding device, and this guiding device axially is parallel to this linearity sensing component array, and an end of this guiding device is adjacent to this light source.
17, the contact-type image sensing module with motion detection function as claimed in claim 16, it is characterized in that, comprise a focalizer, this focalizer axially is parallel to this linearity sensing component array, this focalizer this guiding device and should linearity sensing component array between.
18, the contact-type image sensing module with motion detection function as claimed in claim 17 is characterized in that, this focalizer is lens.
19, the contact-type image sensing module with motion detection function as claimed in claim 17, it is characterized in that, this guiding device axially forms a reflecting surface and an exiting surface along it, and this detection faces is defined in this reflecting surface, and this exiting surface is corresponding to this focalizer.
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| CN 200520002424 CN2768087Y (en) | 2005-01-07 | 2005-01-07 | Contact image sensing module with motion detecting function |
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| CN 200520002424 CN2768087Y (en) | 2005-01-07 | 2005-01-07 | Contact image sensing module with motion detecting function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101452348B (en) * | 2007-11-30 | 2011-06-15 | 凌阳多媒体股份有限公司 | Coordinate setting mouse with float locate function |
| CN112184984A (en) * | 2020-09-02 | 2021-01-05 | 敦南科技（无锡）有限公司 | Currency detector with adhesive tape detection function |
-
2005
- 2005-01-07 CN CN 200520002424 patent/CN2768087Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101452348B (en) * | 2007-11-30 | 2011-06-15 | 凌阳多媒体股份有限公司 | Coordinate setting mouse with float locate function |
| CN112184984A (en) * | 2020-09-02 | 2021-01-05 | 敦南科技（无锡）有限公司 | Currency detector with adhesive tape detection function |
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Granted publication date: 20060329 |