CN109117710B - Fingerprint identification control method - Google Patents
Fingerprint identification control method Download PDFInfo
- Publication number
- CN109117710B CN109117710B CN201810663469.1A CN201810663469A CN109117710B CN 109117710 B CN109117710 B CN 109117710B CN 201810663469 A CN201810663469 A CN 201810663469A CN 109117710 B CN109117710 B CN 109117710B
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- fingerprint
- flash lamp
- light
- light source
- fingerprint chip
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
- G06V40/1318—Sensors therefor using electro-optical elements or layers, e.g. electroluminescent sensing
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/1365—Matching; Classification
Abstract
The invention provides a fingerprint identification control method, which comprises the following steps: receiving a trigger signal on a light-transmitting cover plate, wherein the light-transmitting cover plate is arranged on a rear cover of the terminal; controlling the light source of the flash lamp to be lightened according to the trigger signal, wherein the light source of the flash lamp irradiates to a fingerprint chip arranged on the light-transmitting cover plate; the fingerprint chip acquires fingerprint information on the light-transmitting cover plate by means of the light source of the flash lamp. According to the fingerprint identification control method provided by the invention, the fingerprint chip acquires the fingerprint information on the light-transmitting cover plate by means of the light source of the flash lamp, so that the fingerprint chip can acquire clearer fingerprint information, and the fingerprint identification accuracy is improved.
Description
Technical Field
The invention relates to the technical field of fingerprint identification, in particular to a fingerprint identification control method.
Background
With the development of information technology and electronic technology, portable terminals (e.g., mobile phones, tablets, etc.) have been closely related to people's daily lives, and because portable terminals can implement various functions, such as making a call, taking a picture, storing various files, instant messaging, online payment, etc., people have higher and higher dependence on the terminals, and various kinds of privacy information are stored in the portable terminals, which makes the security of the portable terminals especially important. In the prior art, a fingerprint recognition device is installed in a portable terminal, and because a fingerprint is a line formed by uneven and uneven skin on the surface of a finger and has the characteristics of uniqueness and stability, the fingerprint recognition device can be used for recognizing the identity of a user so as to ensure the safety of the terminal. However, how to improve the fingerprint recognition accuracy of the fingerprint recognition device is an important technical problem.
Disclosure of Invention
The present invention is directed to solving at least one of the above problems.
Therefore, the invention aims to provide a fingerprint identification control method.
In view of the above, according to the object of the present invention, there is provided a fingerprint identification control method, including:
receiving a trigger signal on a light-transmitting cover plate, wherein the light-transmitting cover plate is arranged on a rear cover of the terminal;
controlling the light source of the flash lamp to be lightened according to the trigger signal, wherein the light source of the flash lamp irradiates to a fingerprint chip arranged on the light-transmitting cover plate;
the fingerprint chip acquires fingerprint information on the light-transmitting cover plate by means of the light source of the flash lamp.
According to the fingerprint identification control method provided by the invention, the fingerprint chip acquires the fingerprint information on the light-transmitting cover plate by means of the light source of the flash lamp, so that the fingerprint chip can acquire clearer fingerprint information, and the fingerprint identification accuracy is improved.
In addition, the fingerprint identification control method provided in the above technical solution of the present invention may further have the following additional technical features:
in the above technical solution, preferably, the fingerprint chip is controlled to enter the fingerprint acquisition state from the sleep state according to the trigger signal.
In this technical scheme, the fingerprint chip is in the dormant state always, when the terminal received the trigger signal on the printing opacity apron, just made the fingerprint chip get into the fingerprint from the dormant state and acquireed the state, the live time of effective control fingerprint chip reduces the use consumption of fingerprint chip, improves fingerprint chip's life, the power saving moreover.
In the above technical solution, preferably, when the fingerprint chip receives the light source of the flash lamp, the fingerprint chip is controlled to enter a fingerprint acquisition state from a sleep state.
In this technical scheme, the fingerprint chip also is in the dormant state always, and when the fingerprint chip received the light source of flash light, just make the fingerprint chip get into the fingerprint from the dormant state and acquire the state, also can effectively control the live time of fingerprint chip, reduces the use consumption of fingerprint chip, improves the life of fingerprint chip, the power saving moreover.
In the above technical solution, preferably, the acquired fingerprint information is compared with a preset fingerprint template;
when the fingerprint information is consistent with the preset fingerprint template, the light source of the flash lamp is controlled to be turned off, the turning-off control of the flash lamp is more flexible and practical, and the operation is simple.
In the above technical solution, preferably, the acquired fingerprint information is stored as a preset fingerprint template;
and when the preset fingerprint template is stored, controlling the light source of the flash lamp to be turned off.
In the technical scheme, after the preset fingerprint template is successfully stored, the flash lamp is automatically turned off, and the operation is simple and flexible.
In the above technical solution, preferably, the terminal further includes: a flash lampshade;
the light source shot of flash light includes on the fingerprint chip of setting on the printing opacity apron:
the light source of the flash lamp penetrates through the flash lamp cover and then emits to the fingerprint chip.
In this technical scheme, increase flash lampshade for the light source of flash lamp can concentrate and arrive fingerprint chip and shoot to fingerprint chip via flash lampshade, the luminance of reinforcing flash lamp, makes the light source of shooting to fingerprint chip brighter, makes fingerprint chip can acquire more clear fingerprint information, thereby further improves the fingerprint identification rate of accuracy.
In the above technical solution, preferably, the flash lamp cover is ring-shaped;
the light source shot of flash light includes on the fingerprint chip of setting on the printing opacity apron:
the light source of the flash lamp penetrates through the annular flash lamp cover to form an annular light source which is emitted to the fingerprint chip.
In the technical scheme, the shot fingerprint chip is an annular light source, the light source of the shot fingerprint chip is further improved, the fingerprint chip can acquire clearer fingerprint information, and the fingerprint identification accuracy is further improved.
In the technical scheme, preferably, the flash lampshade is attached to one surface, facing the flash lamp, of the light-transmitting cover plate around the fingerprint chip, the fixing mode of the flash lampshade is simple, and cost is saved.
In above-mentioned technical scheme, preferably, the fingerprint chip pastes on the one side of printing opacity apron towards the flash light, and the fixed mode of fingerprint chip is simple, practices thrift the cost. And the fingerprint chip sets up on the one side of printing opacity apron towards the flash light, prevents fingerprint chip and external contact, improves fingerprint chip's life.
In the above technical solution, preferably, the fingerprint chip is an optical fingerprint chip. By adopting the optical fingerprint chip, the light source of the flash lamp can be utilized, and the accuracy of fingerprint acquisition is improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a flowchart of a fingerprint recognition control method of a terminal according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a partial structure of a terminal according to an embodiment of the present invention;
fig. 3 is a sectional view in the direction III of fig. 2.
Wherein, the correspondence between the reference numbers and the component names in fig. 1 to 3 is:
the fingerprint lamp comprises a rear cover 20, a through hole 202, a fingerprint module 30, a fingerprint chip 302, a light-transmitting cover plate 40, a circuit board 50, a flashlight 60, a flashlight cover 70 and a flexible circuit board 90.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
A fingerprint recognition control method of a terminal according to an embodiment of the present invention is described below with reference to fig. 1.
As shown in fig. 1, a fingerprint identification control method includes:
step S102, receiving a trigger signal on a light-transmitting cover plate, wherein the light-transmitting cover plate is arranged on a rear cover of the terminal;
step S104, controlling the light source of the flash lamp to be lightened according to the trigger signal, wherein the light source of the flash lamp irradiates to a fingerprint chip arranged on the light-transmitting cover plate;
and step S106, the fingerprint chip acquires the fingerprint information on the light-transmitting cover plate by means of the light source of the flash lamp.
According to the fingerprint identification control method provided by the embodiment, the fingerprint chip acquires the fingerprint information on the light-transmitting cover plate by means of the light source of the flash lamp, so that the fingerprint chip can acquire clearer fingerprint information, and the fingerprint identification accuracy is improved.
In another embodiment, the fingerprint identification control method may further include the steps of:
and controlling the fingerprint chip to enter a fingerprint acquisition state from a dormant state according to the trigger signal.
In this technical scheme, the fingerprint chip is in the dormant state always, when the terminal receives the trigger signal on the printing opacity apron, just makes the fingerprint chip get into the fingerprint from the dormant state and acquires the state, and effective control fingerprint chip's live time reduces fingerprint chip's use consumption, improves fingerprint chip's life, the power saving moreover.
In another embodiment, the fingerprint identification control method may further include the steps of:
when the fingerprint chip receives the light source of the flash lamp, the fingerprint chip is controlled to enter a fingerprint acquisition state from a dormant state.
In this technical scheme, the fingerprint chip also is in the dormant state always, and when the fingerprint chip received the light source of flash light, just make the fingerprint chip get into the fingerprint from the dormant state and acquire the state, also can effectively control the live time of fingerprint chip, reduces the use consumption of fingerprint chip, improves the life of fingerprint chip, the power saving moreover.
In another embodiment, after the step of acquiring the fingerprint information on the light-transmitting cover plate by the fingerprint chip via the light source of the flash lamp, the fingerprint identification control method may further include the steps of:
comparing the acquired fingerprint information with a preset fingerprint template;
when the fingerprint information is consistent with the preset fingerprint template, the light source of the flash lamp is controlled to be turned off.
In the embodiment, after the preset fingerprint template is successfully stored, the flash lamp is automatically turned off, and the operation is simple and flexible.
In another embodiment, after the step of acquiring the fingerprint information on the light-transmitting cover plate by the fingerprint chip via the light source of the flash lamp, the fingerprint identification control method may further include the steps of:
storing the acquired fingerprint information as a preset fingerprint template;
and when the preset fingerprint template is stored, controlling the light source of the flash lamp to be turned off.
In the embodiment, after the preset fingerprint template is successfully stored, the flash lamp is automatically turned off, and the operation is simple and flexible.
In another embodiment, the terminal to which the fingerprint identification control method of any of the above embodiments is applied further includes: a flash lampshade; wherein, the light source of the flash lamp penetrates through the flash lamp cover and then emits to the fingerprint chip.
In this embodiment, increase flash lampshade for the light source of flash lamp can concentrate via flash lampshade reachs the fingerprint chip and then shoots towards the fingerprint chip, strengthens the luminance of flash lamp, makes the light source of shooting towards the fingerprint chip brighter, makes the fingerprint chip can acquire more clear fingerprint information, thereby further improves the fingerprint identification rate of accuracy.
In the above embodiment, preferably, the flash cover is annular; the light source of the flash lamp penetrates through the annular flash lamp cover to form an annular light source which is emitted to the fingerprint chip. Make directive fingerprint chip be annular light source like this, further improve directive fingerprint chip's light source for more clear fingerprint information can be obtained to fingerprint chip, thereby further improve the fingerprint identification rate of accuracy.
In the above embodiment, preferably, the flashlight cover is attached to the side, facing the flashlight, of the light-transmitting cover plate around the fingerprint chip, and the fixing mode of the flashlight cover is simple, so that the cost is saved.
In the above embodiment, preferably, the fingerprint chip is adhered to the surface of the light-transmitting cover plate facing the flash lamp, so that the fixing mode of the fingerprint chip is simple, and the cost is saved. And the fingerprint chip sets up on the one side of printing opacity apron towards the flash light, prevents fingerprint chip and external contact, improves fingerprint chip's life.
In the above embodiment, preferably, the fingerprint chip is an optical fingerprint chip. By adopting the optical fingerprint chip, the light source of the flash lamp can be utilized, and the accuracy of fingerprint acquisition is improved.
A terminal to which an embodiment of the fingerprint recognition control method according to any one of the above embodiments is applied is described below with reference to fig. 2 to 3.
As shown in fig. 2 to 3, a terminal provided according to an embodiment of the present invention is described, including: the fingerprint module comprises a rear cover 20, a fingerprint module 30, a light-transmitting cover plate 40, a circuit board 50 and a flashlight 60, wherein a through hole 202 is formed in the rear cover 20, a front cover covers the rear cover 20, and the light-transmitting cover plate 40 is pasted on the through hole 202. The fingerprint module 30 includes non-light tight fingerprint chip 302, and fingerprint chip 302 pastes on non-light tight apron 40 one side towards flash light 60, and fingerprint chip 302 is connected with circuit board 50 electricity, and flash light 60 corresponds fingerprint chip 302 and sets up on circuit board 50, and the light source of flash light 60 jets out non-light tight apron 40 through fingerprint chip 302. With flash light 60 and the range upon range of corresponding setting of fingerprint chip 302, only need open a through-hole 202 on the back lid 20, can install flash light 60 and fingerprint chip 302, reduce the quantity of through-hole 202 on the back lid 20, pollutant such as reducible dust, water pass through the inside possibility of through-hole 202 entering terminal for the complete machine stability of terminal is stronger.
When a finger of a user contacts the light-transmitting cover plate 40 on the rear cover 20 of the terminal, the terminal receives a trigger signal on the light-transmitting cover plate 40 and controls the light source of the flash lamp 60 to be turned on according to the trigger signal, and the light source of the flash lamp 60 is emitted onto the fingerprint chip 302 on the side, facing the flash lamp 60, of the light-transmitting cover plate 40, so that the fingerprint chip 302 acquires fingerprint information of the finger of the user by means of the light source of the flash lamp 60.
Wherein, still be provided with the treater of fingerprint module 30 on circuit board 50, the treater passes through flexible circuit board 90 and is connected with fingerprint chip 302 electricity for fingerprint chip 302 carries out data analysis with fingerprint information transmission to the treater of gathering, and transmits the analysis result for circuit board 50, makes circuit board 50 carry out corresponding function control according to the analysis result.
In one embodiment of the present invention, the through hole 202 is a circular hole or an elliptical hole, and the fingerprint chip 302 and the light-transmissive cover plate 40 are also designed to be circular holes or elliptical holes with the same size as the through hole 202, so that the structure is compact. On the other hand, the fingerprint chip 302 is more matched with the finger of the user operating the terminal, and the accuracy of fingerprint collection is improved.
In one embodiment of the present invention, a flash cover 70 is further disposed on a side of the light-transmissive cover 40 facing the flash lamp 60, and the flash cover 70 is attached to the light-transmissive cover 40 around the fingerprint chip 302. The design of the flash lamp cover 70 enables the light source of the flash lamp 60 to reach the fingerprint chip 302 through the flash lamp cover 70 and then to be emitted out of the transparent cover plate 40, so that the brightness of the flash lamp 60 is enhanced, and the photographing effect of the terminal is enhanced. On the other hand, when the fingerprint chip 302 is an optical fingerprint chip 302, enhancing the brightness of the flash 60 can improve the accuracy of fingerprint collection.
In addition, a buffer member (not shown in the figure) may be disposed on the circuit board 50 at a position corresponding to the flashlight cover 70, and the flashlight cover 70 abuts against the buffer member, so that a closed space is defined by the flashlight cover 70, the rear cover 20 and the circuit board 50, and a light source of the flashlight 60 is enclosed in the closed space, thereby further enhancing the brightness of the flashlight 60, further enhancing the photographing effect of the terminal, or further enhancing the accuracy of fingerprint collection of the terminal.
In an embodiment of the present invention, preferably, the flashlight cover 70 is annular, and the flashlight 60 is annularly disposed on the circuit board 50 corresponding to the flashlight cover 70, so that the flashlight 60 exiting the terminal is annular, and the light supplement effect for the camera is better. And a plurality of flash lamps 60 can be arranged below the annular flash lamp cover 70, so that the light is stronger, and the light supplementing effect is better.
In one embodiment of the present invention, the fingerprint chip 302 is preferably an optical fingerprint chip 302. By adopting the optical fingerprint chip 302, the light source of the flash lamp 60 can be utilized, and the accuracy of fingerprint collection is improved.
In the present invention, the terms "mounting," "connecting," "fixing," and the like are used in a broad sense, for example, "connecting" may be a fixed connection, a detachable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, it is to be understood that the terms "upper", "lower", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or unit must have a specific direction, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A fingerprint identification control method is applied to a terminal and is characterized by comprising the following steps:
receiving a trigger signal on a light-transmitting cover plate, wherein the light-transmitting cover plate is arranged on a rear cover of the terminal;
controlling a light source of a flash lamp to be lightened according to the trigger signal, wherein the light source of the flash lamp emits to a fingerprint chip arranged on the light-transmitting cover plate;
the fingerprint chip acquires fingerprint information on the light-transmitting cover plate by means of a light source of the flash lamp; the flash lamp and the fingerprint chip are arranged in a stacking and corresponding mode;
the terminal further comprises: a flash lampshade;
the light source of the flash lamp is shot to the fingerprint chip arranged on the light-transmitting cover plate and comprises:
the flash lamp shade is annular;
the light source of the flash lamp penetrates through the annular flash lamp cover to form an annular light source which is emitted to the fingerprint chip;
the flash lampshade surrounds the fingerprint chip and is attached to one surface, facing the flash lamp, of the light-transmitting cover plate.
2. The fingerprint recognition control method according to claim 1, further comprising:
and controlling the fingerprint chip to enter a fingerprint acquisition state from a dormant state according to the trigger signal.
3. The fingerprint recognition control method according to claim 1, further comprising:
and when the fingerprint chip receives the light source of the flash lamp, the fingerprint chip is controlled to enter a fingerprint acquisition state from a dormant state.
4. The fingerprint recognition control method according to claim 1, further comprising:
comparing the acquired fingerprint information with a preset fingerprint template;
and when the fingerprint information is consistent with the preset fingerprint template, controlling the light source of the flash lamp to be turned off.
5. The fingerprint recognition control method according to claim 1, further comprising:
storing the acquired fingerprint information as a preset fingerprint template;
and when the preset fingerprint template is stored, controlling the light source of the flash lamp to be turned off.
6. The fingerprint recognition control method according to claim 1,
the fingerprint chip is pasted on one surface of the light-transmitting cover plate facing the flash lamp.
7. The fingerprint recognition control method according to claim 1,
the fingerprint chip is an optical fingerprint chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810663469.1A CN109117710B (en) | 2018-06-25 | 2018-06-25 | Fingerprint identification control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810663469.1A CN109117710B (en) | 2018-06-25 | 2018-06-25 | Fingerprint identification control method |
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| Publication Number | Publication Date |
|---|---|
| CN109117710A CN109117710A (en) | 2019-01-01 |
| CN109117710B true CN109117710B (en) | 2022-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810663469.1A Active CN109117710B (en) | 2018-06-25 | 2018-06-25 | Fingerprint identification control method |
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| CN (1) | CN109117710B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105474612A (en) * | 2014-06-24 | 2016-04-06 | Lg电子株式会社 | Mobile terminal and control method therefor |
| CN106778459A (en) * | 2015-12-31 | 2017-05-31 | 深圳市汇顶科技股份有限公司 | The method and its fingerprint identification device of fingerprint recognition |
| CN206517451U (en) * | 2016-12-22 | 2017-09-22 | 上海摩软通讯技术有限公司 | A kind of terminal with camera module |
| CN107437079A (en) * | 2017-08-05 | 2017-12-05 | 珠海市魅族科技有限公司 | The control method of terminal |
-
2018
- 2018-06-25 CN CN201810663469.1A patent/CN109117710B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105474612A (en) * | 2014-06-24 | 2016-04-06 | Lg电子株式会社 | Mobile terminal and control method therefor |
| CN106778459A (en) * | 2015-12-31 | 2017-05-31 | 深圳市汇顶科技股份有限公司 | The method and its fingerprint identification device of fingerprint recognition |
| CN206517451U (en) * | 2016-12-22 | 2017-09-22 | 上海摩软通讯技术有限公司 | A kind of terminal with camera module |
| CN107437079A (en) * | 2017-08-05 | 2017-12-05 | 珠海市魅族科技有限公司 | The control method of terminal |
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| CN109117710A (en) | 2019-01-01 |
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