CN111782076B - Electronic equipment and input operation detection method - Google Patents
Electronic equipment and input operation detection method Download PDFInfo
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- CN111782076B CN111782076B CN202010495182.XA CN202010495182A CN111782076B CN 111782076 B CN111782076 B CN 111782076B CN 202010495182 A CN202010495182 A CN 202010495182A CN 111782076 B CN111782076 B CN 111782076B
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
- G06F3/0418—Control or interface arrangements specially adapted for digitisers for error correction or compensation, e.g. based on parallax, calibration or alignment
- G06F3/04186—Touch location disambiguation
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/96—Touch switches
- H03K17/964—Piezoelectric touch switches
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04102—Flexible digitiser, i.e. constructional details for allowing the whole digitising part of a device to be flexed or rolled like a sheet of paper
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- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- User Interface Of Digital Computer (AREA)
- Input From Keyboards Or The Like (AREA)
Abstract
The embodiment of the application discloses electronic equipment, which comprises a flexible component; the detection module is arranged in a lamination mode with the flexible component, the detection module comprises a detection sub-module, the detection sub-module comprises a first detection unit and a second detection unit, the first detection unit and the second detection unit are arranged at intervals in the thickness direction of the flexible component, and the projection of the first detection unit on the flexible component is at least partially overlapped with the projection of the second detection unit on the flexible component; wherein the first detection unit is used for detecting the operation position of the input operation of the operation object on the flexible component, and the second detection unit is used for detecting the operation pressure of the input operation. The embodiment of the application also discloses an input operation detection method.
Description
Technical Field
The present application relates to the field of detection technology, but not limited to, and in particular, to an electronic device and an input operation detection method.
Background
The future trend of the electronic device is to make the electronic device imperforate, and the physical keys such as the volume up key, the volume down key, and the power key arranged on the electronic device will be replaced by the virtual keys in the future. In the related art, strain gauges are disposed on the side of the electronic device to replace physical keys. However, in the process of detecting the strain gauge, only the deformation amount can be detected, and whether the deformation position is actually operated by the operation object, such as finger pressing, cannot be determined, so that false triggering of the electronic device is easily caused.
Content of the application
The embodiment of the application provides electronic equipment and an input operation detection method, which solve the problems that in the process of adopting a strain gauge to detect in the related technology, only the magnitude of deformation can be detected, whether the deformation position is truly operated or not can not be determined, such as finger pressing, so that false triggering of the electronic equipment is easily caused, the detection precision of the input operation is improved, and the false triggering of the electronic equipment is avoided.
The technical scheme of the application is realized as follows:
an electronic device, the electronic device comprising:
a flexible member;
the detection module is arranged in a stacked mode with the flexible component, the detection module comprises a detection sub-module, the detection sub-module comprises a first detection unit and a second detection unit, the first detection unit and the second detection unit are arranged at intervals in the thickness direction of the flexible component, and the projection of the first detection unit on the flexible component is at least partially overlapped with the projection of the second detection unit on the flexible component;
wherein the first detection unit is used for detecting an operation position of an input operation of an operation object on the flexible component, and the second detection unit is used for detecting an operation pressure of the input operation.
Optionally, the plurality of detection sub-modules are sequentially arranged along the long side of the flexible component; and/or a plurality of detection sub-modules are sequentially arranged along the short side of the flexible component.
Optionally, the first detection unit includes a first resonant circuit formed by parallel connection of a variable capacitor and a fixed capacitor, and the second detection unit includes a second resonant circuit formed by parallel connection of a variable capacitor and a fixed capacitor.
Optionally, the variable capacitances in the plurality of first detection units are disposed at a first spatial level, and the variable inductances of the plurality of second detection units are disposed at a second spatial level.
Optionally, the distance between the first spatial level and the flexible member is smaller than the distance between the second spatial level and the flexible member.
Optionally, the variable inductor is disposed on a flexible circuit board of the detection module, and the fixed inductor and the fixed capacitor are disposed on a processing chip of the detection module.
Optionally, the variable capacitor in the first detection unit is formed by a metal polar plate.
Optionally, the detection module is laminated and connected with the flexible component through double faced adhesive tape.
Optionally, the flexible component includes at least one of a flexible touch display screen, a flexible middle frame, and a flexible rear housing.
Optionally, the electronic device further includes a processor, where the processor is connected to the detection module, and is configured to obtain the operation position and the operation pressure of the input operation; and the control device is also used for determining that the operation pressure corresponding to the operation position meets the preset pressure and adjusting the control parameters of the output device and/or the input device of the electronic equipment.
An input operation detection method is applied to the electronic equipment, and the input operation detection method comprises the following steps:
obtaining the input operation of the operation object on the flexible member;
and detecting the operation position and the operation pressure of the input operation through the detection module.
Optionally, the method further comprises:
based on the operating position and the operating pressure, control parameters of an output device and/or an input device of the electronic device are adjusted.
Optionally, the adjusting the control parameter of the output device and/or the input device of the electronic apparatus based on the operation position and the operation pressure includes:
and determining that the operation pressure corresponding to the operation position meets the preset pressure, and adjusting the control parameters of the output device and/or the input device of the electronic equipment.
The embodiment of the application provides electronic equipment and an input operation detection method, wherein the electronic equipment comprises the following components: a flexible member; the detection module is arranged in a lamination mode with the flexible component, the detection module comprises a detection sub-module, the detection sub-module comprises a first detection unit and a second detection unit, the first detection unit and the second detection unit are arranged at intervals in the thickness direction of the flexible component, and the projection of the first detection unit on the flexible component is at least partially overlapped with the projection of the second detection unit on the flexible component; wherein the first detection unit is used for detecting the operation position of the input operation of the operation object on the flexible component, and the second detection unit is used for detecting the operation pressure of the input operation; furthermore, the electronic device jointly determines whether a certain position of the flexible component is an operation point corresponding to the input operation based on the operation position and the operation pressure of the input operation, so that the problem that whether the deformation position is truly operated by a finger or not, such as pressing by the finger, cannot be determined only by detecting the deformation in the process of detecting the strain gauge in the related art is solved, and false triggering of the electronic device is easily caused, the detection precision of the input operation is improved, and false triggering of the electronic device is avoided.
Drawings
Fig. 1 is a schematic structural diagram of an electronic device according to an embodiment of the present application;
fig. 2 (a) is a schematic diagram of a signal flow of an LC parallel resonant circuit according to an embodiment of the present application;
FIG. 2 (b) is a schematic diagram showing a voltage variation of an LC parallel resonant circuit according to an embodiment of the present application with time;
fig. 3 (a) is a second schematic diagram of a signal flow of the LC parallel resonant circuit according to the embodiment of the present application;
FIG. 3 (b) is a second schematic diagram showing the voltage variation of the LC parallel resonant circuit according to the embodiment of the present application;
fig. 4 (a) is a schematic diagram three of a signal flow of an LC parallel resonant circuit according to an embodiment of the present application;
FIG. 4 (b) is a third schematic diagram showing the voltage variation of the LC parallel resonant circuit according to the embodiment of the present application;
fig. 5 is a schematic diagram of a flexible touch display screen of an electronic device that is not pressed by an operation object according to an embodiment of the present application;
fig. 6 is a schematic diagram of a flexible touch display screen of an electronic device pressed by an operation object according to an embodiment of the present application;
fig. 7 is a schematic diagram of electric field lines corresponding to a metal polar plate in a case that an operation object provided in an embodiment of the present application does not press a flexible touch display screen of an electronic device;
Fig. 8 is a schematic diagram of electric field lines corresponding to a metal polar plate in a case that an operation object presses a flexible touch display screen of an electronic device according to an embodiment of the present application;
FIG. 9 is a schematic diagram of an electronic device with a side pressure key according to the related art;
fig. 10 is a schematic diagram of an operation principle of an electronic device in the related art;
FIG. 11 is a flowchart of an input operation detection method according to an embodiment of the present application;
fig. 12 is a flowchart of another input operation detection method according to an embodiment of the present application.
Detailed Description
The present application will be further described in detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present application more apparent, and the described embodiments should not be construed as limiting the present application, and all other embodiments obtained by those skilled in the art without making any inventive effort are within the scope of the present application.
In the following description, reference is made to "some embodiments" which describe a subset of all possible embodiments, but it is to be understood that "some embodiments" can be the same subset or different subsets of all possible embodiments and can be combined with one another without conflict.
In the following description, the terms "first", "second", "third" and the like are merely used to distinguish similar objects and do not represent a specific ordering of the objects, it being understood that the "first", "second", "third" may be interchanged with a specific order or sequence, as permitted, to enable embodiments of the application described herein to be practiced otherwise than as illustrated or described herein.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing embodiments of the application only and is not intended to be limiting of the application.
Before describing embodiments of the present application, terms and expressions which are referred to in the embodiments of the present application are described, and the terms and expressions which are referred to in the embodiments of the present application are applicable to the following explanation.
1) Double sided adhesives such as Very High Bond (VHB), which are polyacrylate double sided foam tapes produced using unique solvent-free manufacturing techniques, are composed entirely of polyacrylate type viscoelastic bodies rather than applying adhesive to both sides of the foam core, which is also the greatest difference between VHB and conventional foam tapes and can be visually referred to as "solid glue".
2) Piezoelectric ceramic Plates (PIEZO) are electronic sound producing elements, wherein piezoelectric ceramic dielectric materials are placed between two copper circular electrodes, and when alternating current audio signals are connected to the upper surfaces of the two electrodes, the piezoelectric plates vibrate according to the magnitude frequency of the signals to produce corresponding sounds. When the oscillation frequency is as high as 20KHz, ultrasonic waves are emitted.
3) Microelectromechanical systems (Micro-Electro-Mechanical System, MEMS), also known as microelectromechanical systems, microsystems, micromechanical etc., refer to high-tech devices with dimensions of a few millimeters or even smaller.
In the related art, the future trend of the electronic device is to make no holes, and physical keys such as a volume up key, a volume down key, and a power key on the electronic device will be replaced by virtual keys in the future. In the related art, the pressure key is implemented by the side of the electronic device to replace the physical key. There are various ways to implement the pressure keys on the sides, including capacitive pressure keys, piezoresistive pressure keys, inductive pressure keys, ultrasonic pressure keys, etc. In one scenario, a strain gauge may be disposed on a side of an electronic device to replace a physical key, for example, a strain gauge with a certain length is disposed on a side of a middle frame of the electronic device, such as a mobile phone, so as to implement pressure detection by using a resistance strain gauge. However, when the user's finger presses the middle frame, the middle frame can wholly deform, and when pressing force is enough big, a plurality of positions can all deform, and the in-process that leads to adopting the mode of foil gage to detect only can detect the size of deformation volume, can't confirm whether the deformation position really has the operation of operation object like the finger press to easily cause electronic equipment's mistake to trigger.
An embodiment of the present application provides an electronic apparatus, referring to fig. 1, an electronic apparatus 1 includes:
a flexible member 11;
the detection module 12, the detection module 12 and the flexible component 11 are stacked, the detection module 12 comprises a detection sub-module 121, the detection sub-module 121 comprises a first detection unit 1211 and a second detection unit 1212, the first detection unit 1211 and the second detection unit 1212 are arranged at intervals in the thickness direction of the flexible component 11, and the projection of the first detection unit 1211 on the flexible component 11 and the projection of the second detection unit 1212 on the flexible component 11 are at least partially overlapped;
wherein the first detection unit 1211 is for detecting an operation position of an input operation of an operation object on the flexible member 11, and the second detection unit 1212 is for detecting an operation pressure of the input operation. In the embodiment of the present application, the number of the detection sub-modules 121 is at least one.
In an embodiment of the present application, the electronic device may include a mobile terminal device such as a mobile phone, a tablet computer, a notebook computer, a personal digital assistant (Personal Digital Assistant, PDA), a camera, a portable game machine, a wearable device, and a fixed terminal device such as a desktop computer, an automatic teller machine, and the like.
In some embodiments, the flexible member 11 has an input operation surface, and the flexible member 11 has functions of an input operation unit and a display unit. In some cases, the input operation surface of the flexible member 11 serves as a display surface at the same time. For example, an image corresponding to a keyboard, a graphical user interface (Graphical User Interface, GUI) or the like is displayed on the input operation surface, and the operation object may perform an input operation on the display content to trigger the electronic device to perform a corresponding response. Here, examples of the operation object to perform the input operation on the flexible member 11 include a finger and a stylus.
In some embodiments, the flexible component 11 and the detection module 12 may be glued together through the connection layer 13, that is, the surface of the flexible component 11 near the detection module 12 is firmly glued together with the surface of the detection module 12 near the flexible component 11 through the connection layer 13; further, the detection module 12 can provide support for the flexible member 11, which here can also be understood as providing deformation support. Here, the detection module 12 may also be fixed on a substrate within the electronic device 1, thereby better supporting the flexible member 11. In practical applications, the connection layer 13 may be a double sided tape, such as VHB, to reduce the assembly difficulty between the flexible component 11 and the detection module 12, improve the reliability between the flexible component 11 and the detection module 12, and improve the product yield of the electronic device.
In the embodiment of the present application, the detection module 12 includes a plurality of detection sub-modules 121, and the plurality of detection sub-modules 121 are closely disposed in the same spatial hierarchy. Here, the arrangement of the plurality of detection sub-modules 121 in the same spatial hierarchy is associated with the actual application scenario of the flexible member 11. The plurality of detection sub-modules 121 refers to two or more detection sub-modules 121.
Further, the association relationship between the arrangement mode of the plurality of detection sub-modules 121 in the same spatial hierarchy and the actual application scene of the flexible component 11 is illustrated by two examples; in the first example, when the flexible component 11 is used as an input and display component of the electronic device 1, it is convenient to understand that the flexible component 11 can be regarded as a flexible touch display screen of the electronic device 1 in this application scenario, and the plurality of detection sub-modules 121 are sufficiently arranged in the same spatial hierarchy with reference to the size of the area occupied by the surface of the flexible touch display screen, so as to ensure that the operation information, such as the operation position and the operation pressure, of the input operation of the operation object at any position on the flexible component 11 can be detected. In the second example, when the flexible component 11 is used as the input component of the electronic device 1, it is convenient to understand that the flexible component 11 in this application scenario may be regarded as a flexible touch key of the electronic device 1, taking a middle frame position where the flexible component 11 is disposed at a side edge of the electronic device as an example, the plurality of detection sub-modules 121 are arranged in the same spatial hierarchy with reference to the area size occupied by the flexible touch key, at this time, the plurality of detection sub-modules 121 may be fully arranged in the area size occupied by the flexible touch key, or may be fully arranged on a specific track in the area size occupied by the flexible touch key, so as to ensure that when the operation object implements the function of the side edge key based on the flexible component 11, the operation information such as the operation position and the operation pressure of the input operation can be detected.
In other embodiments of the present application, when the flexible component 11 is used as the input and display component of the electronic device 1, the plurality of detection sub-modules 121 may be arranged in a local area of the flexible component 11, that is, the arrangement of the detection sub-modules 121 in the flexible component may be flexibly set based on actual requirements, so as to ensure that the operation information, such as the operation position and the operation pressure, of the input operation of the operation object at the local area on the flexible component 11 can be detected.
In some practical application scenarios, the flexible component 11 includes at least one of a flexible touch display screen, a flexible middle frame, and a flexible rear housing. The flexible component 11 according to the embodiment of the present application may be used as a flexible touch key and disposed at any position of a flexible middle frame of an electronic device; of course, the flexible member 11 may also serve as a rear housing of the electronic device and/or a display screen of the electronic device.
For example, when the flexible member 11 is used as a flexible touch display screen, the flexible member 11 may be made of one or more of the following flexible materials: electronic paper, flexible organic light emitting diode panel, flexible inorganic light emitting diode panel, flexible liquid crystal panel.
For example, when the flexible member 11 is used as a flexible touch key, the flexible member 11 may be made of the following flexible materials: a flexible glass panel.
In the embodiment of the present application, the detection sub-module 121 includes a first detection unit 1211 and a second detection unit 1212, where the first detection unit 1211 and the second detection unit 1212 are disposed at intervals in the thickness direction of the flexible member, and in one implementation, an air gap with a certain distance exists between the first detection unit 1211 and the second detection unit 1212; in another implementation, the first detecting unit 1211 and the second detecting unit 1212 are spaced apart by the elastic member 14. When the operation object performs an input operation such as a pressing operation on the flexible member 11, the interval between the first detecting unit 1211 and the second detecting unit 1212 is changed based on the air gap or by the elastic member 14, and further, the first detecting unit 1211 is used to detect an operation position of the input operation of the operation object on the flexible member 11, and the second detecting unit 1212 is used to detect an operation pressure of the input operation, so that the electronic apparatus can precisely perform a corresponding response operation according to the detected operation position and operation pressure.
The electronic equipment provided by the embodiment of the application comprises: a flexible member; the detection module is arranged in a lamination mode with the flexible component and comprises a detection sub-module, the detection sub-module comprises a first detection unit and a second detection unit, the first detection unit and the second detection unit are arranged at intervals through an elastic piece, the first detection unit is used for detecting the operation position of the input operation of an operation object on the flexible component, and the second detection unit is used for detecting the operation pressure of the input operation; furthermore, the electronic device jointly determines whether a certain position of the flexible component is an operation point corresponding to the input operation based on the operation position and the operation pressure of the input operation, so that the problem that whether the deformation position is truly operated by a finger or not, such as pressing by the finger, cannot be determined only by detecting the deformation in the process of detecting the strain gauge in the related art is solved, and false triggering of the electronic device is easily caused, the detection precision of the input operation is improved, and false triggering of the electronic device is avoided.
An embodiment of the present application provides an electronic apparatus, referring to fig. 1, an electronic apparatus 1 includes:
a flexible member 11;
the detection module 12, the detection module 12 and the flexible component 11 are stacked, the detection module 12 comprises a detection sub-module 121, the detection sub-module 121 comprises a first detection unit 1211 and a second detection unit 1212, the first detection unit 1211 and the second detection unit 1212 are arranged at intervals in the thickness direction of the flexible component 11, and the projection of the first detection unit 1211 on the flexible component 11 and the projection of the second detection unit 1212 on the flexible component 11 are at least partially overlapped;
wherein the first detection unit 1211 is for detecting an operation position of an input operation of an operation object on the flexible member 11, and the second detection unit 1212 is for detecting an operation pressure of the input operation.
In other embodiments of the present application, the arrangement of the plurality of detection sub-modules 121 in the same spatial hierarchy is further described, and the plurality of detection sub-modules 121 are sequentially arranged along the long side of the flexible member 11; and/or a plurality of detection sub-modules 121 are arranged sequentially along the short sides of the flexible member 11.
It should be noted that, the plurality of detection sub-modules 121 are closely arranged in the same spatial hierarchy, that is, the plurality of first detection units 1211 located in the same spatial hierarchy are closely arranged, the plurality of second detection units 1212 located in the same spatial hierarchy are closely arranged, and the projection of the first detection units 1211 on the flexible component 11 and the projection of the second detection units 1212 on the flexible component 11 at least partially overlap, so as to ensure that the electronic device determines whether a certain position of the flexible component is an operation point corresponding to the input operation based on the operation position of the input operation detected by the first detection units 1211 and the operation pressure of the input operation detected by the second detection units 1212 together, thereby improving the detection accuracy of the electronic device.
In some embodiments, there is a one-to-one relationship between the first detection unit 1211 and the second detection unit 1212, where the projection of the first detection unit 1211 onto the flexible member 11 and the projection of the second detection unit 1212 onto the flexible member 11 are completely overlapping.
In other embodiments, there is a many-to-one relationship between the first detection unit 1211 and the second detection unit 1212, where the projection of the first detection unit 1211 onto the flexible member 11 and the projection of the second detection unit 1212 onto the flexible member 11 are partially overlapped, thus enabling flexible placement of the first detection unit 1211 and the second detection unit 1212 at different spatial levels.
When the plurality of detection sub-modules 121 are disposed at the position of the flexible middle frame of the electronic device, the plurality of detection sub-modules 121 may be sequentially arranged along the long side of the flexible component 11; and/or a plurality of detection sub-modules 121 are arranged sequentially along the short sides of the flexible member 11. Of course, when the plurality of detection sub-modules 121 are disposed at the front surface of the electronic device, for example, where the flexible touch display screen is located, and/or at the rear surface of the electronic device, for example, where the flexible rear case is located, the plurality of detection sub-modules 121 may be sequentially arranged along the long side of the flexible component 11; and/or a plurality of detection sub-modules 121 are arranged sequentially along the short sides of the flexible member 11.
In some embodiments, the flexible component 11 of the electronic device 1, such as the flexible screen, may be circular, square, triangular or irregular in shape, and the detection sub-modules 121 may be arranged along a specific track in a specific area of the flexible component 11; for example, when the electronic device 1 is a circular wearable device such as a smart watch, the detection sub-module 121 may be arranged along a specific track in a specific area of the flexible screen of the smart watch; of course, the shape of the flexible member of the electronic device in the embodiment of the present application is not particularly limited.
For example, in the case where the plurality of detection sub-modules 121 are sequentially arranged along the long side of the flexible member 11, the operation object may perform the input operation based on the positions of the plurality of detection sub-modules 121 that are correspondingly provided on the long side, for example, the operation object sequentially presses a plurality of positions toward the same target direction or presses the same position a plurality of times based on the positions where the plurality of detection sub-modules 121 are correspondingly provided on the long side. In this scenario, the electronic apparatus 1 triggers an operation of adjusting an output parameter of its own output device, for example, gradually increasing the volume of the audio output device of the electronic apparatus or gradually decreasing the volume of the audio output device of the electronic apparatus; as another example, the focal length of an input device of an electronic apparatus, such as a camera, is gradually increased or the focal length of the camera is gradually decreased. Here, if the plurality of positions sequentially pressed are a plurality of positions moving in one direction in chronological order, an input operation of pressing the plurality of positions may be regarded as a sliding press operation. In this way, the electronic apparatus can accurately detect the operation position and the operation pressure of the input operation of the operation object on the flexible member 11 based on the plurality of detection sub-modules 121 and quickly respond, thereby improving the operation experience of the user.
Further, for example, in a case where the plurality of detection sub-modules 121 are sequentially arranged along the short side of the flexible member 11, the operation object may perform the input operation based on the positions of the plurality of detection sub-modules 121 whose short sides are correspondingly arranged. In an actual application scenario, the physical keys on the side of the electronic device may be replaced by multiple detection sub-modules 121 disposed below the flexible component 11, so as to realize a simplified design without holes, and avoid false triggering of the electronic device.
Still further, in the case where the plurality of detection sub-modules 121 are sequentially arranged along the long side and the short side of the flexible member 11, for convenience of understanding, it is conceivable that the plurality of detection sub-modules 121 are arranged in a cross shape, a rice-shaped arrangement, or a net shape at this time, the operation object may perform the input operation based on the positions of the plurality of detection sub-modules 121 provided correspondingly to the long side, and may perform the input operation based on the positions of the plurality of detection sub-modules 121 provided correspondingly to the short side, so that the detectable positions in this scene are more than those in the previous two embodiments, and the degree of freedom of detection is higher. The more the number of the detection sub-modules 121 is, the more the direction in which the detection sub-modules are located is, the higher the degree of freedom of detection is, and the more accurate the detection of the input operation by the electronic device is.
In other embodiments of the present application, the first detection unit includes a first resonant circuit formed by connecting a variable capacitor and a fixed capacitor in parallel, and the second detection unit includes a second resonant circuit formed by connecting a variable capacitor and a fixed capacitor in parallel, so that the design of the first detection unit and the second detection unit is simple and convenient, and the detection accuracy is high.
Here, the operation principle of the first resonant circuit, which is referred to as a first LC parallel resonant circuit, and the second resonant circuit, which is referred to as a second LC parallel resonant circuit in the embodiment of the present application, will be briefly described, and as shown in fig. 2 (a) and 2 (b), when a dc current is supplied to the LC parallel resonant circuit, the capacitor element can be charged, wherein fig. 2 (b) shows a change of a charging voltage with time. Referring to fig. 3 (a) and 3 (b), the inductance element has a characteristic of disturbing the flow of current, and when the capacitance element is to stop the current in a charged state, the current is reversed by applying back electromotive force, and the charge of the capacitance element is discharged and discharged through the inductance element. Fig. 3 (b) shows a case where the capacitor element is discharged and then charged, and the cycle is repeated. Here, if different impedances are connected instead of the inductance element, the charge of the capacitance element remains in a charged state, and current does not flow. As shown in fig. 4 (a) and 4 (b), in a state where only a direct current is applied, the resonance frequency causes oscillation by the LC parallel resonance current repeatedly cycling the charge-discharge. Fig. 4 (b) shows that the frequency oscillation phenomenon is stopped by the impedance component of the inductance element, that is, the frequency oscillation phenomenon gradually disappears when only the dc current is supplied to the LC parallel resonance current.
That is, the detection module comprises a first detection unit and a second detection unit, which are mainly composed of capacitance and inductance, and a positive feedback circuit is added to form an LC oscillator with natural frequency ofWhen the capacitance value of the variable capacitor or the inductance value of the variable inductor in the detection module is changed, the natural oscillation frequency of the LC is changed, and the operation position and the operation pressure of the input operation can be obtained by detecting the change of the oscillator. In the embodiment of the application, the electronic equipment controls the inductance value in the first detection unit to be unchanged, the capacitance value is a variable, and then the oscillation frequency variation caused by the capacitance value variation is detected to determine the operation position of the input operation; the electronic equipment controls the capacitance value in the second detection unit to be unchanged, the inductance value is variable, and then the oscillation frequency variation caused by the variation of the inductance value is detected, so that the operation pressure capable of obtaining the input operation is determined.
In other embodiments of the present application, the variable capacitances of the plurality of first detection units 1211 are disposed at a first spatial level and the variable inductances of the plurality of second detection units 1212 are disposed at a second spatial level. Here, the fixed inductances in the plurality of first detection units 1211 are connected with the variable capacitances provided in the first spatial hierarchy; the fixed capacitances in the plurality of second detection units 1212 are coupled to the variable inductance disposed in the second spatial hierarchy. That is, the variable capacitances and the variable inductances in the two detection units are respectively arranged at different spatial levels, and simultaneously, a plurality of variable capacitances are arranged at the same spatial level, a plurality of variable inductances are arranged at the same spatial level, and the accuracy of input detection at different positions is improved.
Further, by way of example, the arrangement positions of the fixed inductances in the plurality of first detection units 1211 and the fixed capacitances in the plurality of second detection units 1212 may be formed by metal plates, the variable inductances in the plurality of first detection units 1211 may be formed by induction coils and arranged on a flexible circuit board (Flexible Printed Circuit, FPC) of the detection module 12, wherein the fixed inductances in the plurality of first detection units 1211 and the fixed capacitances in the plurality of second detection units 1212 may be arranged on a processing chip of the detection module 12, the processing chip being connected to the FPC; of course, the fixed inductances in the plurality of first detection units 1211 and the fixed capacitances in the plurality of second detection units 1212 may also be disposed at other locations of the electronic device 1, for example, the fixed inductances in the plurality of first detection units 1211 are disposed on an integrated circuit board of the electronic device 1, and the fixed capacitances in the plurality of second detection units 1212 may be disposed on the FPC described above; the setting positions of the fixed inductances in the plurality of first detection units 1211 and the fixed capacitances in the plurality of second detection units 1212 are not particularly limited in the embodiment of the present application.
In other embodiments of the application, the distance between the first spatial level and the flexible member 11 is smaller than the distance between the second spatial level and the flexible member 11. Illustratively, as shown in connection with fig. 1, the first spatial level corresponds to the position of the first detecting unit 1211, and the second spatial level corresponds to the position of the second detecting unit 1212, where the first spatial level is closer to the flexible member 11 than the second spatial level is to the flexible member 11 as seen in the thickness direction of the flexible member 11, so that it is ensured that when an operation object such as a finger performs an input operation on the flexible member, even if the pressing force is not large, that is, the distance between the metal plate and the inductance coil does not change much, the electronic device can accurately detect this operation by the change in self capacitance corresponding to the variable capacitance on the first spatial level, and the detection accuracy of the electronic device is improved.
In other embodiments of the present application, the electronic device 1 further includes a processor (not shown in the figure), and the processor is connected to the detection module, for obtaining an operation position and an operation pressure of the input operation; and the control device is also used for determining that the operation pressure corresponding to the operation position meets the preset pressure and adjusting the control parameters of the output device and/or the input device of the electronic equipment. That is, the electronic apparatus 1 determines, by the processor, both the operation position and the operation pressure corresponding to the operation position satisfying the preset pressure, determines that the input operation is an effective pressing operation, and further adjusts the control parameters of the output device and/or the input device itself. If the electronic device determines that there is only a change in the variable inductance and no change in the variable capacitance is detected, the determination is an erroneous operation. If the electronic device detects only the change of the variable capacitance and the change of the variable inductance does not exceed the threshold, the electronic device may mean that the operation object touches the position of the detection module, but does not press the position, and at the moment, the electronic device also determines that the electronic device is in misoperation, so that the accuracy of input operation detection is improved.
Further description will be made on the operation position and operation pressure of the electronic device 1 for detecting the input operation of an operation object such as a finger on a flexible component such as the flexible touch display 20 with reference to fig. 1, 5, 6, 7 and 8, as shown in fig. 5, the inductance coil 22 drawn on the flexible circuit board 21 forms a variable inductance as the second detection unit 1212, a fixed capacitance (not shown in the drawings) with a fixed appropriate capacitance value is set on the flexible circuit board 21 as the fixed capacitance of the second detection unit 1212, when the variable inductance and the fixed capacitance of the second detection unit 1212 form oscillation, a portion corresponding to an eddy current in the metal plate 23 forming the variable capacitance of the first detection unit 1211 is formed, the size of the eddy current is related to the distance between the metal plate and the coil, and in addition, the size of the eddy current also changes the equivalent inductance in the second LC parallel resonance circuit, thereby changing the natural frequency of the second LC parallel resonance circuit, and the electronic device can obtain the amount of the metal plate by detecting the natural frequency of the second LC parallel resonance circuit; in this embodiment, the fixed inductor in the first detection unit 1211 may be disposed on the processing chip 24, and the metal plate 23 and the inductor 22 are both carried on the substrate 25. Here, fig. 5 is a schematic view of the operation object not pressing the flexible member, and fig. 6 is a schematic view of the operation object pressing the flexible member, where the smaller the distance between the metal electrode plate and the coil is, the larger the eddy current is, the eddy current is increased, the impedance is decreased, the equivalent inductance is decreased, and the natural frequency of the second LC parallel resonant circuit is increased. Further, the electronic apparatus 1 can determine the deformation amount of the metal plate and the operation pressure of the pressing operation by detecting the increase amount of the natural frequency of the second LC parallel resonant circuit.
Illustratively, the variable capacitance in the first detecting unit 1211 is typically a metal plate with a certain shape, such as a portion corresponding to a black thickened area in fig. 7, and a certain capacitance, i.e., a self-capacitance, is formed between the metal plate and the surrounding ground in the absence of a finger touch, and the electric field lines are shown as dotted lines in fig. 7. Referring to fig. 8, when a finger touches/presses the surface of the flexible member, the conductive property and mass of the human body constitute a grounded conductive layer, thereby forming electric field lines as shown in fig. 8 below, and thus changing the capacitance between the metal plate and the ground, the electronic device can know whether there is a finger press or not by detecting the change of the capacitance.
Here, an electronic device with a side pressure key in the related art is illustrated, and the pressure detection is implemented by using a resistance strain gauge in the electronic device, where the mounting form is illustrated in fig. 9, the working principle is illustrated in fig. 10, and the resistance strain gauge is adhered to the side of the middle frame, and the resistance strain gauge is formed by 4 resistors and a wheatstone bridge. When the middle frame is pressed by a finger, the middle frame is deformed, so that the resistance values of 4 resistors are changed, and the electronic equipment detects the change of the resistance values through the Wheatstone bridge to judge whether pressure exists and what the pressing force is.
However, in the above manner of detecting the pressing operation by the resistance strain gauge, a strain gauge with a certain length is attached to the side edge of the middle frame of the electronic device, for example, a mobile phone, and the middle frame is deformed integrally when a finger presses the middle frame of the mobile phone. Therefore, when the finger does not press the key area, the pressure sensor, namely the middle frame of the key area, still deforms as long as the strength is enough, so that the electronic equipment generates a detection signal and outputs the detection signal to generate false triggering. Therefore, the resistance strain gauge can only be used as a scene in specific applications such as game keys, and cannot be used as a scene with high requirements for preventing false touch such as a power key, a volume up key or a volume down key.
As can be seen from the above, the flexible component of the electronic device provided by the embodiment of the present application is glued with the detection module through VHB, so that the assembly is simple and the reliability is high, meanwhile, the detection module included in the electronic device is a combination of a capacitive element and an inductive element, based on the LC oscillator principle, the operation position of the input operation of the finger is detected by the first detection unit, and the operation pressure of the input operation of the finger is detected by the second detection unit, so that the accurate determination of the input operation is realized based on two factors, namely the operation position and the operation pressure, and the error contact prevention is realized; therefore, the problem that false triggering of the electronic equipment is easily caused by the fact that in the related technology, in the process of detecting by adopting the strain gauge, only the deformation amount can be detected, whether the deformation position is really operated by a finger or not can not be determined, the detection precision of the input operation is improved, and false triggering of the electronic equipment is avoided. Here, the detection module can be installed on curved surfaces such as a curved surface center, a curved surface screen, a curved surface rear cover glass and the like; the detection module is used for detecting input operations such as sliding pressing operations or single-point pressing operations, and further realizing volume adjustment, focal length adjustment and the like.
Based on the foregoing embodiments, an embodiment of the present application provides an input operation detection method, which is applied to the electronic device 1 provided in the foregoing embodiments, and referring to fig. 11, the method includes:
step 301, obtaining an input operation of an operation object on a flexible component.
In some embodiments, the input operation may be a pressing operation of the operation object applied to a single position of the flexible member.
In other embodiments, the input operation is for bringing the flexible member to a particular configuration in which the flexible member has a particular deformation. At this time, the input operation may be a pressing operation of the operation object applied to a plurality of positions of the flexible member; the pressing operation may be a continuous pressing operation in which the operation object is applied to the flexible member along a specific trajectory, or may be at least one pressing operation in which the operation object is applied to a specific region on the flexible member.
Step 302, detecting an operation position and an operation pressure of an input operation through a detection module.
Here, the electronic apparatus detects the operation position and the operation pressure of the input operation by the detection module after obtaining the input operation of the operation object on the flexible member, wherein the electronic apparatus detects the operation position of the input operation of the operation object on the flexible member by the first detection unit of the detection module, and detects the operation pressure of the input operation by the second detection unit of the detection module.
According to the input operation detection method provided by the embodiment of the application, the input operation of the operation object on the flexible component is obtained, the operation position and the operation pressure of the input operation are detected through the detection module, wherein the operation position and the operation pressure of the input operation are indispensable reference factors for the electronic equipment to determine whether the deformation position of the flexible component is really the operation point corresponding to the input operation of the operation object, so that the problem that the false triggering of the electronic equipment is easily caused because only the deformation amount can be detected in the detection process of the strain gauge and whether the deformation position is really the operation of the operation object such as finger pressing cannot be determined is solved, the detection precision of the input operation is improved, and the false triggering of the electronic equipment is avoided.
Based on the foregoing embodiments, an embodiment of the present application provides an input operation detection method, which is applied to the electronic device 1 provided in the foregoing embodiments, and referring to fig. 12, the method includes:
step 401, obtaining an input operation of an operation object on the flexible member.
Wherein the input operation is for bringing the flexible member into a specific configuration in which the flexible member has a specific deformation.
Step 402, detecting an operation position and an operation pressure of an input operation through a detection module.
Step 403, adjusting control parameters of an output device and/or an input device of the electronic device based on the operation position and the operation pressure.
In the embodiment of the present application, step 403 adjusts control parameters of an output device and/or an input device of an electronic device based on an operation position and an operation pressure, including: and determining that the operation pressure corresponding to the operation position meets the preset pressure, and adjusting the control parameters of the output device and/or the input device of the electronic equipment. Therefore, when the electronic equipment detects the operation position and determines that the operation pressure corresponding to the operation position meets the preset pressure, the input operation is determined to be an effective pressing operation, so that the control parameters of the output device and/or the input device are adjusted, the response to misoperation is avoided, and the detection accuracy of the electronic equipment is improved.
In an embodiment of the present application, the output device includes an audio and/or video output device, and the control parameter is used to control an output effect of the output content of the output device. The input device comprises an image acquisition device, and the control parameters are used for controlling the presentation effect of the acquired content of the input device. Under the condition that the electronic equipment detects the operation position and the operation pressure of the input operation through the detection module, the operation position is determined to be in a preset position range, the operation pressure is in a preset operation pressure range, and then the control parameters of the output device and/or the input device of the electronic equipment are adjusted based on the operation position and the operation pressure.
The flexible component is arranged on a flexible middle frame of the electronic equipment such as a mobile phone, an operation object such as a finger of a user presses the flexible component in the process that the user watches a video by using the mobile phone, the electronic equipment obtains input operation of the operation object on the flexible component, the detection module detects the operation position and the operation pressure of the input operation, and when the electronic equipment determines that the operation position is in a first preset position range and the operation pressure is in the first preset operation pressure range, the volume of an audio output device of the electronic equipment is increased; when the electronic equipment determines that the operation position is in the second preset position range and the operation pressure is in the second preset operation pressure range, the brightness of a display output device of the electronic equipment is improved, wherein the display output device is a display unit in the flexible part.
According to the input operation detection method provided by the embodiment of the application, the input operation of the operation object on the flexible component is obtained; detecting the operation position and the operation pressure of the input operation through a detection module; the control parameters of the output device and/or the input device of the electronic equipment are adjusted based on the operation position and the operation pressure, wherein after the electronic equipment obtains the operation position and the operation pressure, the control parameters of the output device and/or the input device of the electronic equipment are flexibly adjusted based on the operation position and the operation pressure.
The electronic device provided by the embodiment of the application can further comprise: a processor, a memory, and a communication bus;
the communication bus is used for realizing communication connection between the processor and the memory; the processor is configured to execute an input operation detection program stored in the memory to implement the steps of the input operation detection method described above.
By way of example, the processor may be an integrated circuit chip having signal processing capabilities such as a general purpose processor, such as a microprocessor or any conventional processor, a digital signal processor (DSP, digital Signal Processor), or other programmable logic device, discrete gate or transistor logic device, discrete hardware components, or the like.
A storage medium storing one or more programs executable by one or more processors to implement the steps of the input operation detection method described above.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of a hardware embodiment, a software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, magnetic disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus, and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The foregoing description is only of the preferred embodiments of the present application, and is not intended to limit the scope of the present application.
Claims (10)
1. An electronic device, the electronic device comprising:
a flexible member;
the detection module is arranged in a stacked mode with the flexible component, the detection module comprises a detection sub-module, the detection sub-module comprises a first detection unit and a second detection unit, the first detection unit and the second detection unit are arranged at intervals in the thickness direction of the flexible component, and the projection of the first detection unit on the flexible component is at least partially overlapped with the projection of the second detection unit on the flexible component;
wherein the first detection unit is used for detecting an operation position of an input operation of an operation object on the flexible component, and the second detection unit is used for detecting an operation pressure of the input operation;
The first detection unit comprises a first resonant circuit formed by connecting a variable capacitor and a fixed capacitor in parallel, and the second detection unit comprises a second resonant circuit formed by connecting a variable capacitor and a fixed capacitor in parallel;
the variable capacitances in the plurality of first detection units are arranged at a first spatial level, and the variable inductances of the plurality of second detection units are arranged at a second spatial level;
the distance between the first spatial level and the flexible member is less than the distance between the second spatial level and the flexible member.
2. The electronic device of claim 1, wherein a plurality of the detection sub-modules are arranged sequentially along a long side of the flexible member; and/or a plurality of detection sub-modules are sequentially arranged along the short side of the flexible component.
3. The electronic device of claim 1, wherein the variable inductance is disposed on a flexible circuit board of the detection module, and the fixed inductance and the fixed capacitance are disposed on a processing chip of the detection module.
4. The electronic device of claim 1, wherein the variable capacitance in the first detection unit is comprised of a metal plate.
5. The electronic device according to any one of claims 1 to 4, wherein the detection module is laminated with the flexible member by a double-sided tape.
6. The electronic device of any one of claims 1-4, wherein the flexible component comprises at least one of a flexible touch display screen, a flexible center, and a flexible rear housing.
7. The electronic device of any one of claims 1-4, further comprising a processor coupled to the detection module for obtaining the operating position and the operating pressure of the input operation; and the control device is also used for determining that the operation pressure corresponding to the operation position meets the preset pressure and adjusting the control parameters of the output device and/or the input device of the electronic equipment.
8. An input operation detection method, characterized by being applied to the electronic device of any one of claims 1 to 7, comprising:
obtaining the input operation of the operation object on the flexible member;
and detecting the operation position and the operation pressure of the input operation through the detection module.
9. The input operation detection method according to claim 8, characterized in that the method further comprises:
based on the operating position and the operating pressure, control parameters of an output device and/or an input device of the electronic device are adjusted.
10. The input operation detection method according to claim 9, wherein the adjusting the control parameter of the output device and/or the input device of the electronic apparatus based on the operation position and the operation pressure includes:
and determining that the operation pressure corresponding to the operation position meets the preset pressure, and adjusting the control parameters of the output device and/or the input device of the electronic equipment.
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| CN202010495182.XA CN111782076B (en) | 2020-06-03 | 2020-06-03 | Electronic equipment and input operation detection method |
| PCT/CN2021/095416 WO2021244339A1 (en) | 2020-06-03 | 2021-05-24 | Electronic device, mobile phone, and input operation detection method |
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| CN114217704B (en) * | 2021-12-28 | 2024-05-28 | 维沃移动通信有限公司 | Electronic equipment |
| CN115061597A (en) * | 2022-07-04 | 2022-09-16 | 维沃移动通信有限公司 | Touch display module and electronic equipment |
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|---|---|---|---|---|
| US5206785A (en) * | 1990-08-06 | 1993-04-27 | Wacom Co., Ltd. | Variable capacitor and position indicator employing variable capacitor |
| CN110286805A (en) * | 2019-06-28 | 2019-09-27 | Oppo广东移动通信有限公司 | Electronic equipment and its control method |
| CN110456940A (en) * | 2019-07-23 | 2019-11-15 | Oppo广东移动通信有限公司 | Electronic equipment and its control method |
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| WO2014192786A1 (en) * | 2013-05-29 | 2014-12-04 | 株式会社村田製作所 | Touch input device and display device |
| KR102423148B1 (en) * | 2015-11-26 | 2022-07-21 | 삼성전자주식회사 | Methode for obtaining user input and electronic device thereof |
| KR20190111545A (en) * | 2018-03-23 | 2019-10-02 | 삼성전자주식회사 | Device and method for compensating temperature variation of strain-gauge pressure sensor, and method for implmentation of strain-gauge pressure sensor from capacitance touch screen element |
| CN110149439B (en) * | 2019-06-28 | 2021-07-20 | Oppo广东移动通信有限公司 | Shell assembly, electronic equipment and control method thereof |
| CN111782076B (en) * | 2020-06-03 | 2023-12-12 | Oppo广东移动通信有限公司 | Electronic equipment and input operation detection method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5206785A (en) * | 1990-08-06 | 1993-04-27 | Wacom Co., Ltd. | Variable capacitor and position indicator employing variable capacitor |
| CN110286805A (en) * | 2019-06-28 | 2019-09-27 | Oppo广东移动通信有限公司 | Electronic equipment and its control method |
| CN110456940A (en) * | 2019-07-23 | 2019-11-15 | Oppo广东移动通信有限公司 | Electronic equipment and its control method |
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