CN101840512A - USB fingerprint scanner with touch sensor - Google Patents
USB fingerprint scanner with touch sensor Download PDFInfo
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- CN101840512A CN101840512A CN201010001647A CN201010001647A CN101840512A CN 101840512 A CN101840512 A CN 101840512A CN 201010001647 A CN201010001647 A CN 201010001647A CN 201010001647 A CN201010001647 A CN 201010001647A CN 101840512 A CN101840512 A CN 101840512A
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- fingerprint scanner
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- finger scan
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000003086 colorant Substances 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000003708 edge detection Methods 0.000 description 1
- 230000005057 finger movement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
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Abstract
The invention provides a fingerprint scanner. This fingerprint scanner includes: a control module for detecting and controlling transmission of a signal; an electrical connector coupled to the control module for connecting the fingerprint scanner to a peripheral device; a plurality of Light Emitting Diode indicators coupled to the control module to indicate an operational status of the fingerprint scanner; and a fingerprint scanning module. The fingerprint scanning module is coupled to the control module to detect a fingerprint and sense a touch, and to transmit a fingerprint signal and a touch signal to the control module. The fingerprint scanning module includes a touch sensor for sensing different touches representative of different command signals.
Description
The crossing of related application quoted
The application requires the U.S. Patent application No.12/635 of submission on Dec 11st, 2009,700 right of priority, require the right of priority of Hong Kong short-term patent application No.09100803.8 of submission on January 23rd, 2009 simultaneously, incorporate its full content herein by reference into.
Technical field
Present patent application relates generally to the finger scan device, relates in particular to USB (universal serial bus) (USB) fingerprint scanner that has touch sensor.
Background technology
Along with the development of Science and Technology, in consumer's daily life, use increasing high-tech product.Fingerprint scanner is exactly to be widely used in one of high-tech product such as fields such as the checkings of the ID in electronic gate inlet, computing system and the financial sector.But existing fingerprint scanner does not provide to the user whether success or finger scan device are in any indication of which kind of mode of operation about finger scan.Therefore, need to produce the whether successful modified finger scan device of a kind of mode of operation that can indicate fingerprint scanister in the finger scan process and finger scan.
The explanation that the above-mentioned background technology is provided is to help to understand the USB fingerprint scanner, but be not to be used for illustrating or to constitute related art, or any information all regarded as relevant with the patentability essence of claims of present patent application at disclosed USB fingerprint scanner in the present patent application.
Summary of the invention
The invention provides a kind of fingerprint scanner.This fingerprint scanner comprises: control module, and it is used to detect the also transmission of control signal; Electric connector, it is coupled to described control module, so that described fingerprint scanner is connected to peripherals; A plurality of light emitting diodes (LED) indicator, it is coupled to described control module, to indicate the mode of operation of described fingerprint scanner; And finger scan module.Described finger scan module is coupled to described control module with detection fingerprint and sensing touch, and fingerprint signal and touch signal are sent to described control module.Described finger scan module comprises and is used for the touch sensor that on behalf of the difference of different instruction signal, sensing touch; Described different the touch comprises that at least the first touches and second touch, wherein, first touches the touch time ratio predetermined amount of time weak point that continues, and the touch time ratio schedule time segment length that second touch continues, if detecting described first touches, then described control module is moved first pattern, and if detect described second touch, then described control module is moved second pattern.
Described finger scan module can comprise the fingerprint sensor of flexible circuit form.
Described finger scan module can comprise the radio-frequency fingerprint scan module.
Described a plurality of LED indicator can have different size, and arranges continuously according to its size.
Described a plurality of LED indicator can be arranged with described flexible circuit branch.
Described a plurality of LED indicator can have different colours to indicate the different scanning state of described fingerprint scanner.
Described fingerprint scanner can comprise that also audio indicator is to indicate the scanning mode of described fingerprint scanner.Described audio indicator can be loudspeaker or hummer.
Described electric connector can be a USB connector.
Described finger scan module can adopt vertical finger scan or horizontal finger scan.
Described finger scan module can adopt annular finger scan.Move past the modes that surpass 20 degree, the finger scan that on clockwise or counterclockwise direction, carries out with finger during described annular finger scan.
Described finger scan module can adopt the combination of fingerprint with linear scanning and annular finger scan.
Described control module can receive the finger scan signal from described finger scan module, and sends and the corresponding order of this finger scan signal to main frame.
Description of drawings
In the mode of example the embodiment of disclosed USB fingerprint scanner in the present patent application is described now with reference to accompanying drawing, in the drawings:
Fig. 1 is the block diagram according to the USB fingerprint scanner of disclosed embodiment in the present patent application;
Fig. 2 is the vertical view according to the USB fingerprint scanner of disclosed embodiment in the present patent application;
Fig. 3 is the circuit diagram of USB fingerprint scanner;
Fig. 4 is the circuit diagram of the fingerprint sensor of USB fingerprint scanner;
Fig. 5 is the circuit diagram of the USB interface of USB fingerprint scanner;
Fig. 6 is the circuit diagram of the audio indicator of USB fingerprint scanner; And
Fig. 7 illustrates the workflow diagram of USB fingerprint scanner.
Embodiment
To describe the preferred implementation of disclosed USB fingerprint scanner in the present patent application below in detail, its example will be provided in following explanation.Though describe the illustrative embodiments of disclosed USB fingerprint scanner in the present patent application in detail, art technology person should understand that for the sake of clarity, possibility is not shown to understanding not some features of particular importance of this USB fingerprint scanner.
In addition, should be appreciated that, disclosed USB fingerprint scanner is not limited to following accurate embodiment in the present patent application, and under the situation of the spirit and scope that do not depart from claims, those of ordinary skill in the art can realize variations and modifications to it.For example, in the scope of the disclosure and the accompanying claims, the element of different exemplary embodiments and/or feature can combination with one another and/or replacements each other.
Should be noted that when an element was described to " coupling " or " connection " to another element, this might not represent that this element is fastened to, is fixed to or otherwise be attached to another element in full piece of writing instructions and claims.On the contrary, term " coupling " or " connection " expression one element are connected to another element directly or indirectly, perhaps with another element machinery or telecommunication.
Fig. 1 shows the block diagram according to the USB fingerprint scanner of disclosed embodiment in the present patent application.The USB fingerprint scanner can comprise: shell 100; Be installed in the control module 101 in the shell 100; Be coupled to the finger scan module 102 of control module 101; Be coupled to the USB plug or the connector 103 of control module 101; Be coupled to control module 101 one or more LED indicator 104 with the scanning mode of described indication fingerprint scanner; And the audio indicator 105 of indicating the scanning mode of described fingerprint scanner.
As shown in Figure 2, shell 100 is formed big I and holds control module 101, finger scan module 102 and USB electrical cnnector 103 therein.Shell 100 can be made by plastics or any suitable material.
Fingerprint scanner in the present patent application also can detect by following step and point the direction of hitting:
1, can sensing catches fingerprint image to the linear sensor that finger leaves the moment of sensor from the moment of finger touch sensor by using.Therefore, the image that is captured will comprise the fingerprint (that is finger movement) with time related information.
2, the gradient of using edge detection algorithm and (ii) determining each bar line (edge) to grayscale image by (i) is determined the gradient (slope) of the line image of image;
3, determine to point the direction of hitting based on described line image.
The fingerprint scanner of present patent application can comprise very little RF transmitter and RF receiver.When user's touch sensor, can influence the impedance in the sensor.After detecting impedance variation, sensor can be discerned the sensor that the user is touching fingerprint scanner.
Shown in the illustrative embodiments among Fig. 2, four rectangle LED indicators 104 are arranged, it prolongs the limit and extends laterally across shell 100.Four LED indicators 104 can have similar shape but different sizes as can be seen, and are arranged in continuously on the shell 100 according to its size.Four LED indicators 104 can be used for indicating the mode of operation of fingerprint scanner.For example, when finger scan was unsuccessful, an indicator in the LED indicator 104 was lighted, and when the finger scan success, two indicators in the LED indicator 104 are lighted.One or more sparkling in the LED indicator 104 is with indication finger scan well afoot.The light of all LED indicators 104 can be closed finishing with indication finger scan process.
Except four LED indicators 104, also have a LED indicator, it has arrowhead form or the tripod shape of pointing to shell 100 1 ends.This LED indicator can be used for indicating the operational order or the operating position of fingerprint scanner.For example, this LED indicator can light up as green to indicate fingerprint scanner to be in " unlatching " position that is ready to finger scan, perhaps this LED indicator 104 can be used for pointing to the position at shell 100 ends, can be near the finger scan surface of fingerprint scanner this position user.Then, the user can place his/her finger with beginning finger scan process on the finger scan surface.
Fingerprint scanner also can comprise audio indicator 105.Audio indicator 105 can be connected to the scanning mode of control module 101 with indication finger scan device.Audio indicator 105 can be the form of loudspeaker or hummer, as long as it can generate sub-audible sound.For example, short sub-audible sound can be represented and scan successfully, and long sub-audible sound can be represented the scanning failure.Fig. 6 is the circuit diagram of the audio indicator 105 of USB fingerprint scanner.
In one embodiment, touch sensor can detect at least two kinds of dissimilar touch orders.Two kinds of dissimilar touch orders comprise that first touches and second touch.First touches the touch time ratio predetermined amount of time weak point that continues, and the touch time ratio schedule time segment length that second touch continues.As shown in Figure 7, touch if touch sensor detects first, then finger scan module 102 sends first touch signal to control module 101, and control module 101 operations first pattern.If touch sensor detects second and touches, then finger scan module 102 sends second touch signal to control module 101, and control module 101 operations second pattern.Predetermined amount of time can change.For example, predetermined amount of time can be 1 second, 1.5 seconds or 2 seconds.
In another embodiment, fingerprint scanner can be connected to computing machine.If the touch time ratio predetermined amount of time on touch sensor (for example, 1.5 seconds) is short, then the finger scan module sends first touch signal to control module 101.First pattern of operation control module 101; And control module 101 sends first control signal by electric connector (for example, USB connector) to computing machine.Then, computing machine locks its screen immediately.If the finger scan module detects and the first identical fingerprint of fingerprint that touches, then its screen of computing machine release.
If the touch time ratio predetermined amount of time on touch sensor (for example, 1.5 seconds) is long, then the finger scan module sends second touch signal to control module 101.Second pattern of operation control module 101, and control module 101 sends second control signal by electric connector to computing machine.Then, computing machine is changed into second screen picture with its screen picture from first screen picture.If the finger scan module detects and the second identical fingerprint of fingerprint that touches, then computing machine changes back first screen picture with its screen picture.
Though a plurality of preferred implementations with reference to the application illustrate and have illustrated disclosed USB fingerprint scanner in the present patent application, should be noted that under the situation of the scope that does not depart from claims, can carry out various other changes or modification.
Claims (18)
1. fingerprint scanner, this fingerprint scanner comprises:
Control module, it is used to detect the also transmission of control signal;
Electric connector, it is coupled to described control module, to be used for that described fingerprint scanner is connected to peripherals;
A plurality of light emitting diodes (LED) indicator, it is coupled to described control module, to indicate the mode of operation of described fingerprint scanner; And
The finger scan module, it is coupled to described control module to detect fingerprint and sensing touch, and fingerprint signal and touch signal are sent to described control module, and described finger scan module comprises: be used for the touch sensor that on behalf of the difference of different command signal, sensing touch; Wherein, described different the touch comprises that at least the first touches and second touch, described first touches the touch time ratio predetermined amount of time weak point that continues, and the touch time ratio schedule time segment length that described second touch continues, if detecting described first touches, then described control module is moved first pattern, touches if detect described second, and then described control module is moved second pattern.
2. fingerprint scanner according to claim 1, wherein, described finger scan module comprises the fingerprint sensor of flexible circuit form.
3. fingerprint scanner according to claim 1, wherein, described finger scan module comprises the radio-frequency fingerprint scan module.
4. fingerprint scanner according to claim 1, wherein, described a plurality of LED indicators have different size, and arrange continuously according to its size.
5. fingerprint scanner according to claim 2, wherein, described a plurality of LED indicators and described flexible circuit branch are arranged.
6. fingerprint scanner according to claim 1, wherein, described a plurality of LED indicators have different colours, to indicate the different scanning state of described fingerprint scanner.
7. fingerprint scanner according to claim 1, described fingerprint scanner also comprises audio indicator, to indicate the scanning mode of described fingerprint scanner.
8. fingerprint scanner according to claim 7, wherein, described audio indicator comprises loudspeaker or hummer.
9. fingerprint scanner according to claim 1, wherein, described electric connector comprises USB connector.
10. fingerprint scanner according to claim 1, wherein, described finger scan module adopts vertical finger scan or horizontal finger scan.
11. fingerprint scanner according to claim 1, wherein, described finger scan module adopts annular finger scan.
12. fingerprint scanner according to claim 11, wherein, described annular finger scan is to move past the modes that surpass 20 degree with finger, in the clockwise direction or the finger scan that counterclockwise carries out.
13. fingerprint scanner according to claim 1, wherein, described finger scan module adopts the combination of fingerprint with linear scanning and annular finger scan.
14. fingerprint scanner according to claim 1, wherein, described control module receives the finger scan signal from described finger scan module, and sends and the corresponding order of described finger scan signal to main frame.
15. fingerprint scanner according to claim 1, wherein:
One-time continuous on described touch sensor touches and is defined as first signal; And
Touch continuously for twice on described touch sensor and be defined as and the different secondary signal of described first signal.
16. fingerprint scanner according to claim 1, wherein, described predetermined amount of time is 1.5 seconds.
17. fingerprint scanner according to claim 1, wherein, described peripherals comprises computing machine, if move described first pattern of described control module, then described its screen of computer locking; And if described finger scan module detects and the described first identical fingerprint of fingerprint that touches, then described its screen of computing machine release.
18. fingerprint scanner according to claim 1, wherein, described peripherals comprises computing machine, if move described second pattern of described control module, then described computing machine is changed into second screen picture with its screen picture from first screen picture; And if described finger scan module detects and the described second identical fingerprint of fingerprint that touches, then described computing machine changes back described first screen picture with its screen picture.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
HK09100803.8A HK1127483A2 (en) | 2008-10-10 | 2009-01-23 | A fingerprint scanning device |
HK09100803.8 | 2009-01-23 | ||
US12/635,700 US8111136B2 (en) | 2009-01-23 | 2009-12-11 | USB fingerprint scanner with touch sensor |
US12/635,700 | 2009-12-11 |
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CN101840512A true CN101840512A (en) | 2010-09-22 |
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CN201010001647A Pending CN101840512A (en) | 2009-01-23 | 2010-01-19 | USB fingerprint scanner with touch sensor |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104700082A (en) * | 2015-03-06 | 2015-06-10 | 南昌欧菲生物识别技术有限公司 | Fingerprint recognition module and touch screen based on fingerprint recognition |
CN104700080A (en) * | 2015-03-06 | 2015-06-10 | 南昌欧菲生物识别技术有限公司 | Fingerprint recognition module and touch screen based on fingerprint recognition |
CN105023389A (en) * | 2015-07-08 | 2015-11-04 | 上海斐讯数据通信技术有限公司 | Method, device and mobile terminal being capable of emergent seeking for help |
CN105704297A (en) * | 2014-12-12 | 2016-06-22 | Lg电子株式会社 | Mobile terminal and method for controlling the same |
CN107408203A (en) * | 2015-03-12 | 2017-11-28 | 潘长榜 | Fingerprint scanner and the method using fingerprint scanner scanning fingerprint |
-
2010
- 2010-01-19 CN CN201010001647A patent/CN101840512A/en active Pending
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105704297A (en) * | 2014-12-12 | 2016-06-22 | Lg电子株式会社 | Mobile terminal and method for controlling the same |
CN105704297B (en) * | 2014-12-12 | 2020-01-31 | Lg电子株式会社 | Mobile terminal and control method thereof |
CN104700082A (en) * | 2015-03-06 | 2015-06-10 | 南昌欧菲生物识别技术有限公司 | Fingerprint recognition module and touch screen based on fingerprint recognition |
CN104700080A (en) * | 2015-03-06 | 2015-06-10 | 南昌欧菲生物识别技术有限公司 | Fingerprint recognition module and touch screen based on fingerprint recognition |
CN107408203A (en) * | 2015-03-12 | 2017-11-28 | 潘长榜 | Fingerprint scanner and the method using fingerprint scanner scanning fingerprint |
CN107408203B (en) * | 2015-03-12 | 2021-09-21 | 潘长榜 | Fingerprint scanner and method for scanning fingerprint using the same |
CN105023389A (en) * | 2015-07-08 | 2015-11-04 | 上海斐讯数据通信技术有限公司 | Method, device and mobile terminal being capable of emergent seeking for help |
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Open date: 20100922 |