CN110472399B - Electronic device and control method thereof - Google Patents
Electronic device and control method thereof Download PDFInfo
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- CN110472399B CN110472399B CN201910770221.XA CN201910770221A CN110472399B CN 110472399 B CN110472399 B CN 110472399B CN 201910770221 A CN201910770221 A CN 201910770221A CN 110472399 B CN110472399 B CN 110472399B
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- fingerprint information
- electronic device
- detection module
- side edge
- fingerprint
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
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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
- G06V40/1306—Sensors therefor non-optical, e.g. ultrasonic or capacitive sensing
Abstract
The embodiment of the application provides electronic equipment and a control method thereof, wherein the electronic equipment comprises a shell, an ultrasonic detection module and a processor, the shell comprises a side edge, the ultrasonic detection module is arranged on the inner surface of the side edge, and the ultrasonic detection module is used for detecting fingerprint information; the processor is electrically connected with the ultrasonic detection module and used for determining the pressing position of the side edge according to the fingerprint information; the processor is further used for fingerprint unlocking according to the fingerprint information. The embodiment of the application is convenient for controlling the electronic equipment.
Description
Technical Field
The present disclosure relates to electronic technologies, and in particular, to an electronic device and a control method thereof.
Background
With the development of communication technology, electronic devices such as smart phones are becoming more and more popular. In the using process of the electronic equipment, the electronic equipment can control a display screen to display pictures through a mainboard of the electronic equipment, the electronic equipment can control a camera to collect images through a touch display screen, and the electronic equipment can also realize various functions of controlling the electronic equipment through a key switch.
Disclosure of Invention
The embodiment of the application provides electronic equipment and a control method thereof, which can facilitate a user to control the electronic equipment.
The embodiment of the application discloses electronic equipment, includes:
a housing comprising a side;
the ultrasonic detection module is arranged on the inner surface of the side edge and is used for detecting fingerprint information;
the processor is electrically connected with the ultrasonic detection module and used for determining the pressing position of the side edge according to the fingerprint information;
the processor is further used for carrying out fingerprint unlocking according to the fingerprint information.
The embodiment of the application discloses a control method of electronic equipment, wherein the electronic equipment comprises:
a housing comprising a side;
the ultrasonic detection module is arranged on the inner surface of the side edge and is used for detecting fingerprint information;
the method comprises the following steps:
detecting the fingerprint information of the side edge according to an ultrasonic detection module;
determining the pressing position of the side edge according to the fingerprint information;
and unlocking the fingerprint according to the fingerprint information.
In this application embodiment, can confirm according to the fingerprint information that the ultrasonic detection module detected at the side position and press the position, conveniently control electronic equipment's function. And this application embodiment can carry out the fingerprint unblock according to the fingerprint information that the ultrasonic detection module detected at the side, need not to set up the fingerprint detection module outside the display denomination of electronic equipment, can improve electronic equipment's screen and account for than.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly described below.
Fig. 1 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Fig. 2 is a partial cross-sectional view of the electronic device shown in fig. 1 taken along the direction P2-P2.
Fig. 3 is a schematic diagram of a first structure of an operation switch in the electronic device shown in fig. 2.
Fig. 4 is a schematic diagram of a second structure of the operation switch in the electronic device shown in fig. 2.
Fig. 5 is a schematic diagram of a third structure of the operation switch in the electronic device shown in fig. 2.
Fig. 6 is a partial schematic view of an electronic device according to an embodiment of the present disclosure, in which a pressure detection module is disposed on an inner surface of a side edge.
Fig. 7 is a schematic diagram of a fourth structure of the operation switch in the electronic device shown in fig. 2.
Fig. 8 is another partial cross-sectional view of the electronic device shown in fig. 1 taken along the direction P2-P2.
Fig. 9 is a flowchart illustrating an electronic device control method according to an embodiment of the present application.
Detailed Description
Referring to fig. 1, fig. 1 is a schematic structural diagram of an electronic device according to an embodiment of the present disclosure. An electronic device such as electronic device 20 of fig. 1 may include a housing such as housing 200, an operating switch such as operating switch 400, a camera such as camera 600, and a circuit board such as circuit board 800. The circuit board 800, the camera 600, and the operation switch 400 may be provided on the housing.
The electronic device 20 may be a computing device such as a laptop computer, a computer monitor containing an embedded computer, a tablet computer, a cellular telephone, a media player, or other handheld or portable electronic devices, smaller devices (such as a wristwatch device, a hanging device, a headset or earpiece device, a device embedded in eyeglasses, or other device worn on the head of a user, or other wearable or miniature devices), a television, a computer display not containing an embedded computer, a gaming device, a navigation device, an embedded system (such as a system in which an electronic device with a display is installed in a kiosk or automobile), a device that implements the functionality of two or more of these devices, or other electronic devices. In the exemplary configuration of fig. 1, the electronic device 20 is a portable device, such as a cellular telephone, media player, tablet computer, or other portable computing device. Other configurations may be used for electronic device 20, if desired. The example of fig. 1 is merely exemplary.
The housing 200 may be formed from plastic, glass, ceramic, fiber composite, metal (e.g., stainless steel, aluminum, etc.), other suitable materials, or a combination of any two or more of these materials. The housing body 200 may be formed using a one-piece configuration in which some or all of the housing body 200 is machined or molded as a single structure, or may be formed using multiple structures (e.g., an inner frame structure, one or more structures that form an outer shell surface, etc.). The case 200 may provide a receiving cavity to receive components of the electronic device 20 such as a battery, a circuit board 800, and the like.
Referring to fig. 2, fig. 2 is a partial sectional view of the electronic device shown in fig. 1 along a direction P2-P2. The electronic device 20 may also include a display screen such as the display screen 100, and the display screen 100 may be mounted in the housing 200. Display screen 100 may be a touch screen display that incorporates conductive capacitive touch sensor electrode layers or other touch sensor components (e.g., resistive touch sensor components, acoustic touch sensor components, force-based touch sensor components, light-based touch sensor components, etc.), or may be a non-touch sensitive display. Capacitive touch screen electrodes can be formed from an array of indium tin oxide pads or other transparent conductive structures.
The display screen 100 may include an array of display pixels formed from Liquid Crystal Display (LCD) components, an array of electrophoretic display pixels, an array of plasma display pixels, an array of organic light emitting diode display pixels, an array of electrowetting display pixels, or display pixels based on other display technologies. Display screen 100 may be protected using a display screen cover layer such as a transparent glass layer, light-transmissive plastic, sapphire, or other transparent dielectric layer. In some embodiments, the display screen 100 may be a flexible screen, i.e., the display screen 100 may be bendable and foldable.
The housing 200 may include a middle frame, such as middle frame 220, and a back cover, such as back cover 240. The middle frame 220 may serve as a carrier for the electronic device 20. For example, the bezel 220 may carry the display screen 100, the circuit board 800, a battery, etc. of the electronic device 20. The middle frame 220 may be made of metal, and may be formed by injection molding or machining.
The rear cover 240 may be disposed on one side of the middle frame 220, such as the rear cover 240 disposed on a non-display side of the middle frame 220. The rear cover 240 and the middle frame 220 are fixedly connected to form a receiving cavity 220 for receiving devices of the electronic apparatus 20, such as a battery, a circuit board 800, and the like, so that the rear cover 240 can be covered on the middle frame 220 to cover the battery, the circuit board 800, and the like. It is understood that the display screen 100 and the rear cover 240 are disposed at two opposite sides of the middle frame 220, and the display screen 100 may be disposed at a display surface of the middle frame 220 to display a picture.
The middle frame 220 may have a plurality of sides 222, and the plurality of sides 222 of the middle frame 222 are all located on the periphery of the base of the middle frame 220. The lengths of the sides 222 of the middle frame 220 may be the same or different. Such as the middle frame 220, may have a first side with a longer length and a second side with a shorter length, i.e., the length of the first side is greater than the length of the second side. Devices of the electronic apparatus 20 such as the operation switch 400 may be disposed on one or more of the sides 222 of the middle frame 220, such as disposing the operation switch 400 of the electronic apparatus 20 on one of the longer sides 222 of the middle frame 220.
The operation switch 400 may be provided on the side 222 having the shorter length. It is understood that when the lengths of the sides 222 are the same, the operation switch 400 may be disposed on any one side 222 or any plurality of sides 222. It will also be appreciated that the operating switch 400 may be disposed at the connecting position of the two connecting sides 222, or at the corner position of the middle frame 220. It will also be appreciated that one of the sides 222 may be provided with one or more operating switches 400. In some embodiments, a control area 2222, or an operation area 2222, may be provided on one of the side edges 222. The operation switch 400 may be provided in the control section 2222 of the side 222 for the user to operate. Of course, it is also possible to arrange the operation switches 400 at all positions of the side 222, i.e., the control section 2222 is the entire side 222.
In some embodiments, a self-luminous material may be disposed at the control area 2222 to allow the user to recognize the controller 2222. The color setting may be different at the location of the control area 2222 than at other locations of the side edge 222. A light emitting lamp may also be provided in the control section 2222.
In the related art, a plurality of physical keys, such as an on-off key, a volume key, a shortcut key, etc., are disposed on a side of the electronic device. The physical keys generally protrude out of the side edges, and gaps are formed between the physical keys and the side edges of the electronic equipment, so that water leakage and dust entering are easy to occur.
Based on this, in the embodiment of the present application, the operation switch 400 is disposed on the inner surface of the side edge 222, and the user can directly operate the control area 2222 to control the operation switch 400. The integrity of the sides 222 is maintained and is waterproof and dustproof. The operation switch 400 is used to detect a pressing operation of the control section 2222 of the side edge 222. The pressing operation may include a sliding operation, a clicking operation, a long-press operation, and the like.
The side 222 may be provided with a first receiving groove 2224 for receiving the operation switch 400. The first receiving groove 2224 may communicate with the receiving cavity 260. The depth of the first receiving groove 2224 may be much greater than the thickness of the operating switch 400, that is, after the operating switch 400 is placed in the first receiving groove 2224, a hollow cavity is formed at a position where the first receiving groove 2224 is communicated with the receiving cavity 260, so that the control area 2222 at the position of the first receiving groove 2224 is deformed. Such as: the distance between the operation switch 400 and the housing chamber 260 is about 5 mm. The length of the first receiving groove 2224 is the distance of the first receiving groove 2224 along the length direction of the side 222, and the length of the first receiving groove 2224 can be determined according to actual requirements. The width of the first receiving groove 2224 is a distance along the width direction of the side 222, and the width of the first receiving groove 2224 may be between 1.6 mm and 2 mm.
The outer surface of the side 222 may be of various shapes, such as: arc, rectangular, rounded rectangular, etc. The outer surface of the side 222 may also be curved. At least one of the rear cover 240 and the display screen 100 may be arranged in an arc shape and cover at least a portion of the side edge 222.
The operation switch 400 is provided in the control section 2222 and on the inner surface of the side 222. The operation switch 400 may be electrically connected to the circuit board 800 of the electronic device 20. The circuit board 800 of the electronic device 20 may have integrated thereon a processor, a memory, etc., which may be used to process various operations of the electronic device 20. Such as: the processor may control the display of the display screen 100 in the electronic device 20, the processor may control the camera 600 in the electronic device 20 to take a picture, and the like. The operation switch 400 may detect a pressing operation in the control area 2222, the pressing operation may be an operation of controlling the volume of the electronic device 20, the pressing operation may be an operation of controlling the power on and off of the electronic device 20, and the pressing operation may be an operation of controlling the operating state of the camera.
In the embodiment of the present application, the operation switch 400 is disposed on the inner surface of the side 222, and the side 222 is not provided with an aperture structure for avoiding the operation switch 400, so that a user can drive the operation switch 400 through the side 222 at the position of the control area 2222 by a control signal to control the electronic device 20, such as controlling the sound volume of the electronic device 20, controlling the on/off of the electronic device 20, controlling the working state of a camera in the electronic device 20, and the like.
Referring to fig. 3, fig. 3 is a first structural schematic diagram of an operation switch in the electronic device shown in fig. 2. The operation switch 400 may include a pressure detection module 420, and the pressure detection module 420 is configured to detect the pressing strength of the side 222, and specifically, the magnitude of the pressing strength may be detected according to a deformation amount generated by the side 222. The pressure detection module 420 may include a first flexible circuit board 422 and a pressure detector 424 electrically connected to the first flexible circuit board 422. The first flexible circuit board 422 may be disposed on an inner surface of the side 222, such as by being adhered to the inner surface of the side 222 with glue, double-sided tape, or the like.
The pressure detector 424 may include a resistive sensor or a capacitive sensor, among others. It should be noted that when the pressure detector 424 includes a capacitive sensor, no metal is disposed at the position of the pressure detector 424 to ensure the accuracy of the detection of the capacitive sensor. The resistive sensor may be a MEMS (micro electro Mechanical Systems) sensor, which requires the width of the first receiving groove 2224 to be 1.6 mm. The resistive sensor is not limited to the MEMS piezoresistive IC, and the resistive sensor may be a strain gauge, and the strain gauge needs to have a width of the first receiving groove 2224 of about 2 mm.
It is understood that the side 222 is thin and can be deformed by the pressing force, and the first flexible circuit board 422 and the pressure detector 424 are disposed together on the inner surface of the side 222. When the side 222 is pressed, the side 222 deforms, and drives the first flexible circuit board 422 and the pressure detector 424 to deform together, and converts the pressure into an electrical signal to be transmitted to the processor of the circuit board 800, and the processor can control the electronic device 20 according to the pressing operation.
In some embodiments, the pressing operation may be determined as the first control signal, that is, the camera 600 of the electronic device 20 may be controlled to take a picture when the operation switch 400 receives the pressing operation in the control area 2222. Therefore, the user can control the camera 600 to take a picture without touching the display screen 100, the power consumption of the touch display screen 100 can be saved, and the user operation is facilitated. Especially facilitating one-handed operation for some users. It should be noted that the electronic device may also control other functions of the electronic device 20 according to the pressing operation, such as adjusting the volume.
It should be noted that, in the actual assembly process, since the first flexible circuit board 422 is made of a soft material, deformation is easily generated, and in order to reduce the deformation of the first flexible circuit board 422 in the assembly process, the thickness of the first flexible circuit board 422 may be increased. Of course, a reinforcing plate may be fixedly connected to the first flexible circuit board 422.
Referring to fig. 4, fig. 4 is a schematic diagram illustrating a second structure of the operation switch of the electronic device shown in fig. 2. The operation switch 420 may further include a reinforcing sheet 426, the reinforcing sheet 426 is fixedly connected to the first flexible circuit board 422, and the reinforcing sheet 426 and the pressure detector 424 are respectively disposed on both sides of the first flexible circuit board 422. The reinforcing sheet 426 is fixedly attached to the inner surface of the side 222 at the location of the control area 2222. The reinforcing plate 426 may increase the overall strength of the pressure detecting module 420 for assembly, thereby preventing deformation during assembly and difficulty in assembly. It should be noted that the pressure detector 424 and the reinforcing sheet 426 may not be provided on both sides of the first flexible circuit board 422.
Referring to fig. 5, fig. 5 is a schematic diagram illustrating a third structure of the operation switch of the electronic device shown in fig. 2. The reinforcing sheet 426 and the pressure detector 424 may be disposed on the same side of the first flexible circuit board 422, the pressure detector 424 may be disposed within a gap 428 of the reinforcing sheet 426, and the space of the gap 428 is larger than the size of the pressure detector 424. Such as reinforcing sheet 426, is thicker than pressure detector 424, and reinforcing sheet 426 and pressure detector 424 do not touch. Therefore, it is ensured that the pressure detector 424 does not contact the reinforcing sheet 426 or the side edge 222 when the pressure detector 424 is deformed by the pressure, and the accuracy of detecting the pressing force by the pressure detector 424 is affected.
It will be appreciated that in order for the pressure detector 424 to effectively detect pressure, a gap 428 may be provided in the reinforcing sheet 426, with the pressure detector 424 being spatially located within the gap 428. Therefore, when the side 222 of the control area 2222 receives a force, the stress of the force is applied to the pressure detector 424 at the position of the gap 428 due to the arrangement of the reinforcing sheet 426, so that the signal detected by the pressure detection module 420 can be more accurate. In some embodiments, two reinforcing sheets 426 may be connected to the first flexible circuit board 422 to form the gap 428, or a gap 428 may be opened on one reinforcing sheet 426.
It should be noted that the accuracy of the signal detected by the pressure detecting module 420 can be improved without providing the reinforcing sheet 426, such as providing a groove on the side 222 of the control area 2222 to locate the pressure detector 424 in the groove, so that the thickness of the two sides of the groove is larger, and thus the thickness of the position of the pressure detector 424 is smaller, and the deformation is also easy to occur.
Referring to fig. 6, fig. 6 is a partial schematic view illustrating a pressure detection module disposed on an inner surface of a side edge of an electronic device according to an embodiment of the present disclosure. The inner surface of the side 222 may be provided with a groove 2228, and the groove 2228 may be provided at the bottom wall of the first receiving groove 2224. The embodiment of the present application may dispose the pressure detector 424 in the groove 2228, and dispose the first flexible circuit board 422 on the bottom wall of the first receiving groove 2224. Thus, the first flexible circuit board 422 is located outside the groove 2228.
Therefore, in the embodiment of the present application, the grooves 2228 are formed on the inner surfaces of the side edges 222, so that the thickness of the side edges 222 at the positions of the grooves 2228 can be reduced, and the deformation of the side edges 222 at the positions of the grooves 2228 is facilitated. Thereby facilitating the pressure detector 424 located in the groove 2228 to detect the degree of pressure based on the amount of deformation of the side 222. In the embodiment of the present application, the first accommodating groove 2224 is further provided with the groove 2228 for accommodating the pressure detector 424, so that the pressure detector 424 can detect the degree of pressure more conveniently, and the detection accuracy of the pressure detector 424 can be improved.
It should be noted that the space of the groove 2228 formed on the inner surface of the side 222 in the embodiment of the present application is larger than the size of the pressure detector 424, so that the pressure detector 424 is spaced apart from the inner wall around the groove 2228 when the pressure detector 424 is located in the groove 2228. Thereby preventing the pressure detector 424 from contacting the inner wall of the groove 2228 when the side 222 is deformed by pressure. It is understood that the deformation of the side 222 under pressure is limited by the present embodiment, or the deformation of the side 222 is limited by a certain range. It is not the case that the pressing force is too large to cause damage to the side 222 so that the pressure detector 424 comes into contact with the inner wall around the groove 2228.
In some embodiments, a layer of resilient pad may be disposed within groove 2228. The elastic pad may be made of a soft elastic material to further prevent the inner wall of the groove 2228 from contacting the pressure detector 424. It is mainly for the side 222 to receive an excessive pressing force to prevent the inner wall of the groove 2228 from coming into direct contact with the pressure detector 424.
It should be noted that the pressure detection module 420 may also detect other operations, such as a sliding operation. The pressure detection module 420 may determine that it is moving continuously based on the pressure it detects.
Referring to fig. 7, fig. 7 is a fourth structural diagram of the operation switch of the electronic device shown in fig. 2. The operation switch 400 may further include a position detection module such as an ultrasonic detection module 440, and the ultrasonic detection module 440 is used to detect the pressing position of the side 222. The ultrasonic detection module 440 may include a second flexible circuit board 442, a signal transmitting part 444, and a signal receiving part 446. The signal transmitting portion 444 and the signal receiving portion 446 are electrically connected to the second flexible circuit board 442. The signal transmitting portion 444 and the signal receiving portion 446 may be made of a piezoelectric ceramic material. The second flexible circuit board 442 may be disposed on an inner surface of the side 222 of the control area 2222, such as by being adhered to the inner surface of the side 222 with glue, double-sided tape, etc. The ultrasonic detection module 440 may receive different signals, such as different operation modes, and may determine the control signal according to the operation modes, so as to control the functions of the electronic device 20 according to the control signal.
The ultrasonic detection module 440 can detect the pressed position of the control area 2222 to achieve positioning. Or the ultrasonic detection module 440 can detect a specific position for the finger to be placed in the control area 2222, so as to realize the positioning. When the pressing force continuously moves, or the user's finger performs a sliding operation in the control area, the ultrasonic detection module 440 may receive the sliding operation signal to determine the sliding operation signal as a second control signal, and may convert the second control signal into an electrical signal and transmit the electrical signal to the processor of the circuit board 800, and the processor may control functions of the electronic device 20, such as adjusting the focal length of the camera 600, adjusting the video playing speed, adjusting the volume, and the like, according to the second control signal. Thereby enabling control of the functions through the electronic device 20.
It is understood that the ultrasonic detection module 440 may detect other operations, such as a touch operation. The ultrasonic detection module 440 may also control the functions of the electronic device 20 according to other operations or different sliding operations.
Wherein the sliding direction of the sliding operation is along the length of the side 222. Of course, the sliding direction of the sliding operation may be along the width of the side edge 222, and may be along other directions.
It is understood that a signal transmitting portion 444 and a signal receiving portion 446 may be disposed at an interval on the ultrasonic detection module 440. A plurality of signal transmitting sections 444 and a plurality of signal receiving sections 446 may be provided at intervals.
In some embodiments, the detection of the pressing position of the side edge 222 by the ultrasonic detection module 440 may be the detection of fingerprint information by the ultrasonic detection module 440 at the control area 2222 of the side edge 222. That is, when the ultrasonic detection module 440 detects the fingerprint information in the control area 2222 of the side 222, the processor of the electronic device 20 may determine that the finger of the user presses the control area 2222 of the side 222 according to the detected fingerprint information, and determine the position where the finger of the user presses the side 222 according to the fingerprint information.
It should be noted that, when the ultrasonic detection module 440 detects fingerprint information, the position where the user presses the side edge 222 can be determined. When electronic device 20 is in the lock screen state, this application embodiment ultrasonic detection module 440 can also realize the function of fingerprint unblock based on this fingerprint information after detecting fingerprint information. For example, when the electronic device 20 is in the screen-locked state, the fingerprint information may be compared with the preset fingerprint information stored in the electronic device 20 to determine whether the fingerprint information detected by the ultrasonic detection module 440 matches the preset fingerprint information, and if the fingerprint information matches the preset fingerprint information, the electronic device is controlled to unlock to display the interface of the electronic device 20. And if the fingerprint information is not matched with the preset fingerprint information, keeping the electronic equipment in a screen locking state. Therefore, the function of unblock can also be realized according to this fingerprint information after the ultrasonic detection module detects fingerprint information to this application embodiment, need not to set up fingerprint unblock module outside electronic equipment 20's the display denomination, can improve the screen and account for the ratio.
It will be appreciated that in actual operation, the duration of time that the user controls the functions of the electronic device 20 by operating the switch 400 is often relatively short. Can gather the duration that ultrasonic detection module 440 detected the whole process of fingerprint information, if it is long to be greater than predetermined duration, then can judge that the user needs to carry out the fingerprint unblock, and then can compare the fingerprint information of gathering with predetermined fingerprint information. If the duration is less than the preset duration, it may be determined that the user does not need to unlock the fingerprint, but only controls the operation switch 400 to control other functions of the electronic device 20.
In some embodiments, the ultrasonic detection modules 440 may be disposed on a plurality of sides 222 of the housing, respectively. Such as one or more ultrasonic detection modules 440 per side 222, with ultrasonic detection modules 440 disposed on multiple sides. The user can thus effect control of the operating switch 400 on the different sides 222 and the purpose of fingerprint unlocking on the different sides 222. Can be adapted to different users.
This application embodiment can set up the surface of side 222 into the arc structure, and then can increase the area that the user pointed the contact side 222 surface, can improve the accuracy that ultrasonic detection module 440 detected fingerprint information, and then can improve the accuracy of fingerprint unblock.
The operation switch 400 is not limited to the ultrasonic detection module 440 and is not limited to the pressure detection module 420. In some embodiments, the operation switch 400 may include a pressure detection module and an ultrasonic detection module, and the pressure detection module and the ultrasonic detection module may share a flexible circuit board. Such as disposing the pressure detector, the ultrasonic signal transmitting section, and the ultrasonic signal receiving section on the same flexible circuit board. For example: a pressure detector is disposed between a signal transmitting portion and a signal receiving portion. Of course, if the pressure detector is plural, each pressure detector is disposed between one signal transmitting portion and one signal receiving portion, that is, disposed at an interval from each other. The operation switch 400 includes both a pressure detector by which a degree of pressing can be effectively detected and an ultrasonic detector by which a pressed position can be effectively detected. Thereby, not only the functions of the electronic apparatus 20 such as controlling the camera 600 to take a picture, and controlling the camera 600 to focus can be accurately controlled according to the received signals. Meanwhile, the function of preventing mistaken touch can be realized according to the pressing intensity and the pressing position.
Wherein, ultrasonic detector and pressure detector can set up on same flexible circuit board, and set up the interval and set up on the diapire of first storage tank 2224. The ultrasonic detector may be disposed outside the groove 2228, such as on two opposite sides of the flexible circuit board with the pressure detector. It should be noted that the ultrasonic detector may be disposed in the groove 2228, and the two may not affect each other. It is understood that it is also possible to dispose one of the detectors at a side wall of the first receiving groove 2224 and another one of the detectors at a bottom wall of the first receiving groove 2224.
It should be noted that the electronic device 20 may further be provided with one or more ultrasonic detectors and one or more pressure detectors in different control areas 2222.
Referring to fig. 8, fig. 8 is another partial cross-sectional view of the electronic device shown in fig. 1 along a direction P2-P2. The electronic device 20 may further include a false touch detection module 300, and the false touch detection module 300 may be disposed between the side 222 and the rear cover 240. The side 222 may further include a detection area 2226, the detection area 2226 may be disposed adjacent to the control area 2222, the control area 2222 may be a middle position of the side 222, and the detection area 2226 may be located outside the middle position. Such as detection zone 2226, is located on a side adjacent to rear cover 240. The anti-accidental-touch detection module 300 may be adjacent to the rear cover 240, or may be disposed between the rear cover 240 and the side edge 222, so as to be covered by the rear cover 240 for protection. The operation switch 400 may be located between the false touch detection module 300 and the display screen 100.
The false touch detection module 300 may be a capacitance detector, and the rear cover 240 may be made of glass. The capacitance detector is a plate electrode with a certain shape, under the condition that no finger touches the surface of the sensor, a certain capacitance (self-capacitance) is formed between the plate electrode and the surrounding ground, when the finger touches the surface of the sensor, the conductive property and the large mass of a human body form a grounded conductive layer, so that electric field lines are formed, and the capacitance between the capacitance detector and the ground is changed. By detecting this change in capacitance, it is possible to know whether there is a finger press. Thereby realizing the function of preventing the false touch through the false touch prevention detection module 300. It should be noted that the capacitive detector can refer to the touch function of the display screen.
The processor on the circuit board 800 of the electronic device 20 can control the electronic device 20 according to the detection result of the false touch detection module 300 and the detection result of the pressure detection module 420. Of course, the processor may control the electronic device 20 only according to the detection result of the pressure detection module 420, or may control the electronic device 20 according to the detection result of the false touch detection module 300. The detection result such as the false touch detection module 300 may include a sliding operation, and the processor may control the camera 600 of the electronic device 20 to take a picture, focus, and the like according to the sliding operation.
It should be noted that, when the false touch detection module 300 is adjacent to the rear cover 240, the false touch detection module 300 may be covered on the capacitance detector through a touch cover, and the touch cover may be connected to the rear cover 240 in a matching manner, and the touch cover may protect the capacitance detector. When the detection area 2226 of the side 222 has an arc-shaped structure, the capacitive detector may be disposed on a third flexible circuit board, and the third flexible circuit board may be disposed on the side 222 at the position of the detection area 2226 of the arc-shaped structure. The corresponding touch cover or the back cover 240 may be disposed in an arc shape corresponding to the position of the mis-touch detection module 300 and corresponding to the arc structure of the side 222. The false touch detection module 300 may be directly disposed on the outer surface of the side 222, or a second receiving groove may be formed on the side 222 for receiving the false touch detection module 300.
It will be appreciated that, due to the limited width of the side 222, when the user's finger presses the control area 2222 of the side 222, a portion of the finger will press against the position of the rear cover 240, and possibly the display screen 100. In the embodiment of the present application, the detection area is set at the position of one side of the control area 2222 and the position of one side of the rear cover 240, so as to install the anti-false-touch detection module 300, and it can be determined whether a user presses a finger, thereby realizing the anti-false-touch operation switch 400.
It should be noted that, the touch operation switch 400 of the user often keeps the display screen 100 in a bright state, and whether the display screen 100 has touch operation can be detected according to the display screen 100, and if the display screen 100 has touch operation, the function of preventing false touch can be further improved, so as to implement more accurate control of the operation switch 400.
In order to further describe the plurality of functions of the electronic device controlled by the ultrasonic detection module in the embodiments of the present application, the following is defined in terms of a control method of the electronic device.
Referring to fig. 9, fig. 9 is a schematic flowchart illustrating a control method of an electronic device according to an embodiment of the present disclosure. The electronic device can refer to the electronic device 20 above, and details thereof are not repeated here. The control method of the electronic device may include:
1001, detecting the fingerprint information of the side edge according to the ultrasonic detection module. The ultrasonic detection module 440 of the electronic device 20 can detect the fingerprint information at the side 222, and the processor of the electronic device 20 can obtain the fingerprint information.
And 1002, determining the pressing position of the side edge according to the fingerprint information. The processor of the electronic device 20 obtains the fingerprint information, and may determine the pressing position of the side 222 according to the fingerprint information, that is, the position where the user touches the side 222 with the finger.
1003, performing fingerprint unlocking according to the fingerprint information. The processor of the electronic device 20 acquires the fingerprint information, and may also perform fingerprint unlocking according to the fingerprint information. Such as when the electronic device 20 is in a lock screen state, comparing the fingerprint information with preset fingerprint information stored in the electronic device 20, determining whether the fingerprint information matches the preset fingerprint information, and controlling the electronic device 20 to unlock if the fingerprint information matches the preset fingerprint information. And if the fingerprint information does not match the preset fingerprint information, keeping the electronic device 20 in the screen locking state.
According to the embodiment of the application, one or more ultrasonic detection modules are arranged on at least one side edge of the shell, when a user presses the side edge 222 with a finger, fingerprint information can be detected through the ultrasonic detection modules, the position of the side edge 222 pressed by the user can be determined according to the fingerprint information, and then the function of controlling the electronic device 20, such as volume adjustment, on/off control, video playing progress adjustment, flashlight brightness adjustment and the like, can be determined according to the pressed position. Of course, the functions of the control electronics 20 may also be determined in conjunction with the pressure detection module. The function of unblock can also be realized according to this fingerprint information after the ultrasonic detection module detects fingerprint information, need not to set up fingerprint unblock module outside electronic equipment 20's the display denomination, can improve the screen and account for than.
In order to improve the accuracy of fingerprint unblock, can set the surface of side 222 to the arc structure, can increase the area that the ultrasonic detection module detected fingerprint information, and then can increase the accuracy that the ultrasonic detection module realized the fingerprint unblock.
The electronic device and the control method thereof provided by the embodiment of the present application are described in detail above. The principles and implementations of the present application are described herein using specific examples, which are presented only to aid in understanding the present application. Meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. An electronic device, comprising:
the device comprises a shell, a control unit and a control unit, wherein the shell comprises a side edge, and a control area is arranged on the side edge;
the ultrasonic detection module is arranged on the inner surface of the side edge and is used for detecting fingerprint information and a sliding operation signal on the control area, determining the sliding operation signal as a second control signal and transmitting the second control signal to the processor;
the processor is electrically connected with the ultrasonic detection module and used for determining the pressing position of the side edge according to the fingerprint information;
the processor is further used for carrying out fingerprint unlocking according to the fingerprint information, the processor is specifically used for acquiring the duration of the fingerprint information detected by the ultrasonic detection module, and if the duration is greater than the preset duration, the fingerprint unlocking is carried out according to the fingerprint information; and if the duration is less than the preset duration, controlling the electronic equipment to execute other functions except fingerprint unlocking according to the second control signal.
2. The electronic device of claim 1, wherein the processor is further configured to:
when the electronic equipment is in a screen locking state, comparing the fingerprint information with preset fingerprint information;
judging whether the fingerprint information is matched with the preset fingerprint information or not;
if the fingerprint information is matched with the preset fingerprint information, controlling the electronic equipment to unlock;
if the fingerprint information is not matched with the preset fingerprint information, the electronic equipment is kept in a screen locking state.
3. The electronic device of claim 2, wherein the housing comprises a plurality of sides, each side being provided with at least one of the ultrasonic detection modules.
4. The electronic device of claim 2, wherein the outer surface of the side edge is an arc-shaped structure.
5. The electronic device according to any one of claims 1 to 4, further comprising a pressure detection module disposed on the inner surface of the side edge, wherein the pressure detection module is configured to detect pressure information;
the processor is further used for determining the pressing degree of the side edge according to the pressure information;
the processor is further used for determining a detection result according to the pressing position and the pressing degree;
the processor is further configured to control the electronic device according to the detection result.
6. The electronic device of claim 5, wherein the detection result comprises a pressing operation and/or a sliding operation, and the processor is further configured to control the electronic device according to the pressing operation and/or the sliding operation.
7. The electronic device of claim 5, wherein the inner surface of the side edge is disposed with a receiving groove, and the ultrasonic detection module and the pressure detection module are disposed in the receiving groove.
8. An electronic device control method, characterized in that the electronic device comprises:
the device comprises a shell, a control unit and a control unit, wherein the shell comprises a side edge, and a control area is arranged on the side edge;
the ultrasonic detection module is arranged on the inner surface of the side edge and used for detecting fingerprint information and sliding operation signals on the control area, determining the sliding operation signals as second control signals and transmitting the second control signals to the processor;
the method comprises the following steps:
detecting the fingerprint information of the side edge according to an ultrasonic detection module and acquiring the duration of the fingerprint information detected by the ultrasonic detection module;
determining the pressing position of the side edge according to the fingerprint information;
and unlocking the fingerprint according to the fingerprint information, which specifically comprises the following steps: if the time length is longer than the preset time length, fingerprint unlocking is carried out according to the fingerprint information; and if the duration is less than the preset duration, controlling the electronic equipment to execute other functions except fingerprint unlocking according to the second control signal.
9. The electronic device control method according to claim 8, wherein the performing fingerprint unlocking according to the fingerprint information includes:
when the electronic equipment is in a screen locking state, comparing the fingerprint information with preset fingerprint information;
judging whether the fingerprint information is matched with the preset fingerprint information or not;
if the fingerprint information is matched with the preset fingerprint information, controlling the electronic equipment to unlock;
if the fingerprint information is not matched with the preset fingerprint information, the electronic equipment is kept in a screen locking state.
10. The electronic device control method according to claim 9, wherein the electronic device further comprises a pressure detection module, the pressure detection module is disposed on the inner surface of the side edge, and the pressure detection module is configured to detect pressure information;
the method further comprises the following steps:
detecting the pressure information of the side edge according to the pressure detection module;
determining the pressing strength of the side edge according to the pressure information;
determining a detection result according to the pressing position and the pressing intensity;
and controlling the electronic equipment according to the detection result.
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| WO2022141605A1 (en) * | 2020-12-31 | 2022-07-07 | 深圳市汇顶科技股份有限公司 | Optical fingerprint detection apparatus and electronic device |
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