CN112764657B - Electronic device and control method of electronic device - Google Patents
Electronic device and control method of electronic device Download PDFInfo
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- CN112764657B CN112764657B CN202011645348.8A CN202011645348A CN112764657B CN 112764657 B CN112764657 B CN 112764657B CN 202011645348 A CN202011645348 A CN 202011645348A CN 112764657 B CN112764657 B CN 112764657B
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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
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/451—Execution arrangements for user interfaces
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Abstract
The application discloses an electronic device and a control method of the electronic device, wherein the electronic device comprises a first wearable device which can be worn at a first wearing part and a second wearable device which can be worn at a second wearing part; a first wearable device, comprising: a first device body having a first side and a second side for contacting a user; the projection component is arranged on the first side surface; the position identification module is arranged on a first side surface of the first equipment body; the first electrode is arranged on the second side surface; a second wearable device, comprising: a second device body having a third side for contacting a user; the second electrode is arranged on the third side face; the detection circuit is connected with the first electrode or the second electrode; the processor is respectively connected with the position identification module and the detection circuit, and the processor controls the projection assembly to work according to the impedance information and the position information.
Description
Technical Field
The application belongs to the technical field of electronic equipment control, and particularly relates to electronic equipment and a control method of the electronic equipment.
Background
Along with the popularization of intelligent wearable equipment application, the content that shows on intelligent wearable equipment's screen is more abundant, and intelligent wearable equipment is when bringing more convenient service function for the user, because intelligent wearable equipment volume is limited, the size of the last display screen of intelligent wearable equipment also receives the restriction, so can't provide better display experience for the user. For this reason, in the related art, the content displayed on the screen of the wearable device may be displayed in a projection manner.
The above-described scheme does not enable user interaction with the projection display interface.
Disclosure of Invention
The embodiment of the application aims to provide electronic equipment, and the problem that interaction between a user and a projection display interface cannot be achieved is solved.
In order to solve the technical problem, the present application is implemented as follows:
in a first aspect, an embodiment of the present application provides an electronic device, including a first wearable device wearable at a first wearing location and a second wearable device wearable at a second wearing location;
the first wearable device, comprising:
a first device body having a first side and a second side for contact with a user;
the projection assembly is arranged on the first side face and is used for projecting and displaying content to be displayed onto the skin of a user;
the position identification module is arranged on the first side face of the first equipment body and used for acquiring position information of a second wearing part of the skin of the touch user;
a first electrode disposed on the second side, the first electrode for contacting skin of the first wearing portion;
the second wearable device, comprising:
a second device body having a third side for contact with a user;
a second electrode disposed on the third side, the second electrode being for contact with skin of the second wearing portion;
the electronic device further comprises a detection circuit and a processor;
the detection circuit is connected with the first electrode or the second electrode and is used for acquiring impedance information between the first electrode and the second electrode under the condition that the first wearing part is in contact with the second wearing part;
the processor is arranged on the first equipment body or the second equipment body, the processor is respectively connected with the position identification module and the detection circuit, and the processor controls the projection assembly to work according to the impedance information acquired by the detection circuit and the position information acquired by the position identification module.
In a second aspect, an embodiment of the present application provides a control method for an electronic device, which is applied to the electronic device according to the first aspect, and the method includes:
acquiring impedance information acquired by a detection circuit;
under the condition that the impedance information meets a preset condition, acquiring position information of a second wearing part of the skin of the touch user, which is acquired by a position identification module;
and controlling the projection assembly to work according to the impedance information and the position information.
In a third aspect, the present application provides a readable storage medium, on which a program or instructions are stored, which when executed by a processor implement the steps of the method according to the second aspect.
In a fourth aspect, the present application provides a chip, where the chip includes a processor and a communication interface, where the communication interface is coupled to the processor, and the processor is configured to execute a program or instructions to implement the method according to the second aspect.
In this application embodiment, the first wearable device can project and display the content to be displayed on the skin of the user by setting the projection component, so that the content to be displayed is enlarged and presented, and the user can conveniently view and operate the content.
Furthermore, the first electrode and the second electrode are respectively arranged on the first wearable device and the second wearable device, the processor can determine whether the skin of the projection display interface is touched by the second wearing part according to the impedance information between the first electrode and the second electrode acquired by the detection circuit, and under the condition that the skin of the projection display interface is determined to be touched by the second wearing part, the projection assembly is controlled to work according to the acquired impedance information and the position information of the second wearing part of the skin of the touch user acquired by the position identification module, so that the interaction between the user and the projection display interface can be realized, the misoperation caused by the small screen of the wearable device is avoided, the accuracy of touch operation identification is improved, and the efficiency of touch operation is improved.
Drawings
Fig. 1 is a schematic structural diagram of a first wearable device in an electronic device according to an embodiment of the present disclosure;
fig. 2 is a schematic diagram of a hardware structure of a first wearable device in an electronic device according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a second wearable device in an electronic device according to an embodiment of the present disclosure;
fig. 4 is a schematic flowchart of a control method of an electronic device according to an embodiment of the present disclosure;
5a-5d are schematic diagrams of current signals of an electronic device according to embodiments of the present disclosure;
fig. 6 is a flowchart illustrating another control method for an electronic device according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
The electronic device provided by the embodiment of the present application is described in detail below with reference to the accompanying drawings through specific embodiments and application scenarios thereof.
An electronic device provided by the embodiment of the application comprises a first wearable device wearable at a first wearing part and a second wearable device wearable at a second wearing part.
In some embodiments of the present application, the first wearable device may be a smart band, a smart watch, a smart ring, or the like. The second wearable device can also be a smart bracelet, a smart watch, a smart ring, or the like.
For example, the first wearable part may be a left hand or a left arm of the user, and the second wearable part may be a right hand or a right arm, that is, the user may wear the first wearable device on the left arm and the second wearable device on the right arm, and the user may also wear the first wearable device on the left arm and the second wearable device on the right finger.
As shown in fig. 1, the first wearable device includes a first device body 11, a projection assembly 12, a position identification module 13, and a first electrode 14.
The first apparatus body 11 has a first side 111 and a second side 112 for contact with a user.
Taking wearable device as an intelligent bracelet as an example, as shown in fig. 1, the first device body 11 may include a first main body structure and a first wearable structure, and the first wearable structure is connected to the first main body structure. Wherein, first wearable structure and first major structure are for dismantling the connection, and first wearable structure's length can be adjusted. Illustratively, the first body structure has a first side 111 and a second side 112 disposed adjacent to each other.
The projection assembly 12 is disposed on the first side 111 of the first device body 11, and the projection assembly 12 is used for projecting and displaying the content to be displayed on the skin of the user.
In this embodiment, the projection assembly 12 is disposed on the first side 111 of the first device body 11, and is configured to project and display the content to be displayed of the first wearable device onto the skin of the user, so as to present the content to be displayed of the first wearable device in an enlarged manner, which is convenient for the user to view and operate.
For example, a physical button configured to start the projection operating mode may be provided on the first wearable device, or an interactive control for starting the projection operating mode may be presented on the display interface of the first device body 11. Responding to the operation of the user on the physical button or the interactive control for starting the projection working mode, so as to project the content to be displayed of the display interface of the first device body 11 onto the skin of the user.
Illustratively, the first wearable device establishes a communication connection with the external device to project content to be displayed of a display interface of the external device onto the skin of the user. The external device may be a mobile terminal, a tablet computer, a notebook computer, or the like.
The position recognition module 13 is disposed on the first side surface 111 of the first device body 11, and the position recognition module 13 is configured to obtain position information of a second wearing portion touching the skin of the user.
In this embodiment, the position identification module 13 is disposed on the first side 111 of the first device body 11, and the position identification module 13 may be configured to acquire position information of the second wearing portion touching the skin of the user. And determining the touch position of the second wearing part of the user touch the projection display interface according to the position information of the second wearing part of the skin of the user.
In one embodiment of the present application, the location identification module 13 may be a distance sensor. The position recognition module 13 may also be an array-type distance sensor. The position recognition module 13 is disposed on the same side as the projection assembly 12. It should be noted that, a person skilled in the art may set the number, relative position, etc. of the projection assemblies 12 and the position identification modules 13 according to actual needs.
In one embodiment of the present application, as shown in fig. 1, the position recognition module 13 includes a first distance sensor 131 and a second distance sensor 132, the first distance sensor 131 and the second distance sensor 132 are both disposed on the first side 111 of the first apparatus body 11, and the first distance sensor 131 and the second distance sensor 132 are respectively located on both sides of the projection assembly 12.
In the embodiment of the application, the touch position of the touch projection display interface of the second wearing part of the user is determined by the first distance sensor and the second distance sensor which are respectively arranged on two sides of the projection component, so that the identification accuracy can be improved.
It should be noted that the first distance sensor 131 may be a ToF sensor, an infrared sensor, a laser ranging sensor, or an ultrasonic sensor. The second distance sensor 132 may also be a ToF sensor, an infrared sensor, a laser ranging sensor, or an ultrasonic sensor. The embodiment of the present application does not limit the types of the first and second distance sensors 131 and 132. In the embodiment of the present application, the first distance sensor 131 and the second distance sensor 132 both employ ToF sensors, which can further improve the accuracy of identification, thereby improving the accuracy of touch operation of the electronic device.
The first electrode 14 is disposed on the second side 112 of the first device body 11, and the first electrode 14 is used to contact with the skin of the first wearing portion.
As shown in fig. 3, the second wearable device includes a second device body 21 and a second electrode 22.
The second device body 21 has a third side 211 for contact with a user.
Taking wearable device as a smart ring as an example, as shown in fig. 3, the second device body 21 may include a second main body structure and a second wearable structure, and the second wearable structure is connected to the second main body structure. Wherein, the second wearable structure is detachably connected with the second main body structure, and the length of the second wearable structure can be adjusted. Illustratively, the second body structure has a third side 211 that contacts the user.
The second electrode 22 is disposed on the third side 211 of the second device body 21, and the second electrode 22 is used to contact the skin of the second wearing portion.
The electronic device further comprises a detection circuit 30 and a processor 40.
The detection circuit 30 is connected to the first electrode 14 or the second electrode 22, and is used for acquiring impedance information between the first electrode 14 and the second electrode 22.
The processor 40 is disposed on the first device body 11 or the second device body 21, the processor 40 is connected to the position identification module 13 and the detection circuit 30, and the processor controls the projection assembly 12 to operate according to the impedance information acquired by the detection circuit 30 and the position information acquired by the position identification module 13.
In a more specific example, taking the detection circuit 30 and the processor 40 disposed on the first device body 11 as an example, referring to fig. 2, an input terminal of the detection circuit 30 is connected to the first electrode 14, a first output terminal of the processor 40 is connected to an input terminal of the projection component 12, a first input terminal of the processor 40 is connected to an output terminal of the position identification module 13, and a second input terminal of the processor 40 is connected to an output terminal of the detection circuit 30.
In another more specific example, the processor 40 and the detection circuit 30 may be provided to the first wearable device and the second wearable device, respectively. Taking the processor 40 disposed in the first device body 11 and the detection circuit 30 disposed in the second device body 21 as an example, the second wearable device further includes a wireless communication module, an input end of the detection circuit 30 is connected to the second electrode 22, and an output end of the detection circuit 30 is connected to an input end of the wireless communication module. The wireless communication module is configured to establish a communication connection with the processor 40 of the first wearable device, so as to send impedance information detected by the detection circuit 30 to the processor 40 of the first wearable device, so that the processor 40 determines whether the user touches the projection display screen according to the impedance information, and when it is determined that the user touches the projection display screen, further controls the projection component 12 to operate according to the impedance information of the detection circuit 30 and the position information of the position identification module 13. In the embodiment of the application, the projection component of the device in the first wearable device, the detection circuit and the wireless communication module are arranged in the second wearable device, and the impedance information of the detection circuit is sent to the first wearable device through the wireless communication module, so that the power consumption of the first wearable device can be reduced, and the service life of the first wearable device can be prolonged.
In this application embodiment, the first wearable device can project and display the content to be displayed on the skin of the user by setting the projection component, so that the content to be displayed is enlarged and presented, and the user can conveniently view and operate the content.
Furthermore, the first electrode and the second electrode are respectively arranged on the first wearable device and the second wearable device, the processor can determine whether the skin of the projection display interface is touched by the second wearing part according to the impedance information between the first electrode and the second electrode acquired by the detection circuit, and under the condition that the skin of the projection display interface is determined to be touched by the second wearing part, the projection component is controlled to work according to the acquired impedance information and the position information of the second wearing part of the skin of the touch user acquired by the position identification module, so that the interaction between the user and the projection display interface can be realized, the misoperation caused by the fact that the screen of the wearable device is small is avoided, the accuracy of touch operation identification is improved, and the efficiency of touch operation is improved.
In an embodiment of the present application, the processor controls the projection assembly to operate according to the impedance information acquired by the detection circuit and the position information acquired by the position identification module, and specifically includes:
the processor determines whether the skin of the projection display interface is touched by the second wearing part according to the impedance information.
Under the condition that the skin of the projection display interface is touched by the second wearing part, the processor determines the touch position of the second wearing part of the user touching the projection display interface according to the position information.
And the processor determines the touch type of the touch projection display interface of the second wearing part of the user according to the impedance information and the touch position.
The processor controls the projection assembly to execute a target action according to the touch type of the second wearing part touch projection display interface of the user, and the target action corresponds to the touch type.
In this embodiment, when the second wearing portion contacts the first wearing portion, the impedance information between the first electrode and the second electrode changes, that is, the impedance information may reflect whether the skin of the user is touched, that is, whether the projection display interface projected on the skin of the user is touched.
Specifically, the working principle of the electronic device is illustrated by taking the example that the first wearable device is worn on the left arm and the second wearable device is worn on the right finger. When the electronic device is used, the projection component 12 located in the first wearable device projects and displays the content to be displayed on the left arm of the user, namely, a projection display picture is presented on the left arm. When the user does not operate on the projection display screen, that is, the right finger (the second wearing part) of the user does not contact the left arm (the first wearing part), the first electrode 14 and the second electrode 22 form a path through the human body, and the impedance a between the first electrode 14 and the second electrode 22 is the path impedance of the right finger, the right wrist, the right arm, the body, the left arm, and the left wrist. When the user performs an operation on the projection display screen, that is, the right finger (the second wearing portion) of the user contacts the left arm (the first wearing portion), the impedance B between the first electrode 14 and the second electrode 22 is an impedance formed by connecting the impedance of the path of the right finger-the right wrist-the right arm-the body-the left arm-the left wrist in parallel with the impedance of the path of the right finger-the right bowl. That is, when the user operates on the projection screen, the path impedance between the first electrode 14 and the second electrode 22 becomes small. Therefore, in the using process of the electronic device, the processor can acquire the impedance information between the first electrode and the second electrode acquired by the detection circuit in real time, so that whether the skin of the projection display interface is touched by the second wearing part or not can be determined according to the impedance information between the first electrode and the second electrode.
In this embodiment, the touch type of the second wearing portion of the user touching the projection display interface may be determined according to the impedance information and the touch position. And, a mapping relationship between the target motion and the touch type may be stored in advance. The touch type may be, for example, single click, double click, long press, swipe, and the like. The processor can determine a target action corresponding to the touch type according to a pre-stored mapping relation between the target action and the touch type of the second wearing part touch projection display interface of the user, and execute the target action.
In this embodiment of the application, the processor may determine whether the skin of the projection display interface is touched by the second wearing portion according to the impedance information between the first electrode and the second electrode acquired by the detection circuit, and determine the touch position where the second wearing portion of the user touches the projection display interface according to the position information under the condition that it is determined that the skin of the projection display interface is touched by the second wearing portion. The touch type of the second wearable part touch projection display interface of the user is further determined according to the impedance information and the touch position, so that interaction between the user and the projection display interface can be achieved, misoperation caused by the fact that a screen of the wearable device is small is avoided, accuracy of touch operation identification is improved, and efficiency of touch operation is improved.
In one embodiment of the present application, the impedance information includes a current value of the current signal corresponding to the impedance information. The detection circuit may be a current detection circuit.
In this embodiment, the processor determines whether the skin of the projection display interface is touched by the second wearing portion according to the impedance information, and specifically includes:
under the condition that the current value of the current signal is larger than a first threshold value, the processor determines that the skin of the projection display interface is touched by the second wearing part;
and under the condition that the current value of the current signal is smaller than or equal to the first threshold value, the processor determines that the skin of the projection display interface is not touched by the second wearing part.
In specific implementation, the detection circuit is connected to the first electrode or the second electrode, and is configured to detect a current signal output by the first electrode. When a user operates on the projection picture, the path impedance between the first electrode and the second electrode becomes small, that is, the current value of the current signal output by the first electrode becomes large. Based on the above, the processor is connected with the detection circuit, acquires the current signal output by the detection circuit, compares the current value of the current signal with a first threshold value, and determines that the skin of the projection display interface is touched by the second wearing part when the current value of the current signal is larger than the first threshold value, namely the impedance of the path between the first electrode and the second electrode is reduced; under the condition that the current value of the current signal is smaller than or equal to the first threshold value, namely the impedance of a path between the first electrode and the second electrode is not reduced, the processor determines that the skin of the projection display interface is not touched by the second wearing part.
In the embodiment of the application, before the processor controls the projection component to execute the target action according to the touch type of the second wearable part of the user for touching the projection display interface, whether the skin of the projection display interface is touched by the second wearable part is determined according to the current value of the current signal corresponding to the impedance information, and the error recognition rate of the wearable device can be reduced.
Taking the example that the position identification module 13 includes the first distance sensor 131 and the second distance sensor 132, a process of determining the touch position of the second wearing portion of the user touching the projection display interface will be described.
In this example, the processor determines the touch position of the second wearing portion of the user touching the projection display interface according to the position information, and specifically includes:
determining position information of a second wearing part of the skin of the touch user according to first distance information acquired by the first distance sensor and second distance information acquired by the second distance sensor;
and determining the touch position of the second wearing part touch projection display interface of the user according to the position information.
For example, the first distance information is a distance from the first distance sensor 131 to a finger of the user, the second distance information is a distance from the second distance sensor 132 to the finger of the user, and a position of the finger of the user can be determined according to an intersection point of the first distance information and the second distance information, that is, position information of a second wearing portion touching the skin of the user is determined, and further, a touch position of the second wearing portion touching the projection display interface of the user can be determined.
In this application embodiment, through set up the first distance sensor and the second distance sensor of projection subassembly both sides respectively and confirm the position information at the second position of wearing, can improve the accuracy of discernment.
On the basis of any of the above embodiments, as shown in fig. 2, the projection assembly 12 includes a projection module 121 and a first display driving unit 122. An input end of the first display driving unit 122 is connected to a first output end of the processor 40, and an output end of the first display driving unit 122 is connected to an input end of the projection module 121.
As shown in fig. 1 and 2, the first wearable device further comprises a display assembly 15. The display assembly 15 includes a touch screen 151, a second display driving module 152, and a touch screen recognition module 153. An input terminal of the second display driving unit 152 is connected to a second output terminal of the processor 40, and an output terminal of the second display driving unit 152 is connected to an input terminal of the touch screen 151. An output of the touch screen identification module 153 is connected to a third input of the processor 40.
It should be noted that the touch screen 151 and the projection module 121 may share one display driving unit, that is, the first display driving unit 122 and the second display driving unit 152 are the same display driving unit.
It should be noted that the first wearable device includes a plurality of operation modes, for example, a display component operation mode, a projection component operation mode, and a display component and projection component simultaneous operation mode. According to the embodiment of the application, the corresponding display mode can be selected by switching the working mode.
As shown in fig. 2, the first wearable device further comprises a first battery 16 and a first charging module 17. A first end of the first charging module 17 is connected to the first electrode 14 and a second end of the first charging module 17 is connected to the first battery 16. The first battery 16 is used to provide power to the processor, projection assembly, location identification module, and display assembly of the first wearable device. The first charging module 17 is used to charge the first battery 16.
Illustratively, as shown in fig. 1, the first wearable device further includes a third electrode 19, the third electrode 19 is grounded, and the first electrode 14 and the third electrode 19 may serve as a charging interface of the first wearable device. In the charging state, the external power source is connected to the first electrode 14 and the third electrode 19 to charge the first battery 16 of the first wearable device through the first charging module. The first charging module 17 is further configured to apply a voltage to the first electrode 14, and in an exemplary wearing state, the first battery 16 applies a voltage to the first electrode 14 through the first charging module 17 so as to have a predetermined voltage difference between the first electrode 14 and the second electrode 22.
The circuit for charging in the first charging module 17 and the circuit for applying a voltage to the first electrode 14 may be multiplexed with each other or may be two separate circuits.
As shown in fig. 2, the first wearable device further comprises a first power conversion module 18, an input of the first power conversion module 18 is connected to the first battery 16, and an output of the first power conversion module 18 is connected to a fourth input of the processor 40. The first power conversion module 18 is used for converting the voltage output by the first battery 16 to ensure the normal operation of the processor 40.
As shown in fig. 2, the first wearable device further comprises a memory 110 and a clock module 113. The memory 110 is connected to the processor 40. An output of clock module 113 is connected to a fifth input of processor 40.
On the basis of any of the above embodiments, the second wearable device further comprises a second battery and a second charging module. The first end of the second charging module is connected with the second electrode, and the second end of the second charging module is connected with the second battery. The second battery is used for providing the second wearable equipment with the electric quantity. The second charging module is used for charging the second battery.
Illustratively, as shown in fig. 3, the second wearable device further includes a fourth electrode 23, the fourth electrode 23 is grounded, and the second electrode 22 and the fourth electrode 23 may serve as a charging interface of the second wearable device. In the charging state, the external power source is connected to the second electrode 22 and the fourth electrode 23 to charge the second battery of the second wearable device through the second charging module.
The second charging module is further configured to apply a voltage to the second electrode 22, for example, in a wearing state, the second battery applies a voltage to the first electrode through the second charging module, so that the first electrode 14 and the second electrode 22 have a predetermined voltage difference.
It should be noted that the circuit for charging and the circuit for applying a voltage to the second electrode 22 in the second charging module may be multiplexed with the same circuit, or may be two independent circuits.
Another electronic device provided in an embodiment of the present application includes a first wearable device and a second wearable device. The electronic device is different from the electronic device provided by the previous device embodiment in that the second wearable device further comprises a processor, a projection component, a position identification module, a display component and a power conversion module. That is, the first wearable device and the second wearable device have similar structures.
The working principle of the electronic device is illustrated by taking the first wearable device and the second wearable device as an example. When the electronic device is used, the projection component 12 located in the first wearable device projects and displays the content to be displayed on the left arm of the user, namely, a projection display picture is presented on the left arm. When the user does not operate on the projection display screen, that is, the right finger (the second wearing part) of the user does not contact the left arm (the first wearing part), the first electrode 14 and the second electrode 22 form a path through the human body, and the impedance C between the first electrode 14 and the second electrode 22 is the path impedance of the right wrist, the right hand arm, the body, the left hand arm and the left wrist. When the user performs an operation on the projection display screen, that is, the right finger (the second wearing portion) of the user contacts the left arm (the first wearing portion), the impedance D between the first electrode 14 and the second electrode 22 is an impedance formed by connecting the impedance of the path of the right wrist-right arm-body-left arm-left wrist in parallel with the impedance of the path of the right palm-right finger-right bowl. That is, when the user operates on the projection screen, the path impedance between the first electrode 14 and the second electrode 22 becomes small. Therefore, in the using process of the electronic device, the processor can acquire the impedance information between the first electrode and the second electrode acquired by the detection circuit in real time, so that whether the skin of the projection display interface is touched by the second wearing part or not can be determined according to the impedance information between the first electrode and the second electrode.
In the embodiment of the application, the first wearable device and the second wearable device are both provided with the projection assembly and the position identification module, so that a user can respectively project projection pictures on arms of two hands, and the use is more flexible.
The embodiment of the application also provides a control method of the electronic equipment. The method may be applied to the electronic device described in the foregoing embodiment, and referring to the flowchart shown in fig. 4, the method includes the following steps S4100-S4300.
Step S4100, impedance information acquired by the detection circuit is acquired.
In this embodiment, when the second wearing portion contacts the first wearing portion, the impedance information between the first electrode and the second electrode changes, that is, the impedance information may reflect whether the skin of the user is touched, that is, whether the projection display interface projected on the skin of the user is touched.
Step S4200, in a case where the impedance information satisfies a preset condition, acquiring location information of a second wearing portion of the skin of the touch user, which is acquired by a location identification module.
In one embodiment of the present application, the impedance information includes a current value of a current signal corresponding to the impedance information, and the impedance information satisfying the preset condition includes: the current value of the current signal is greater than a first threshold value.
In specific implementation, the detection circuit is connected to the first electrode and is configured to detect a current signal output by the first electrode. When a user operates on the projection picture, the path impedance between the first electrode and the second electrode becomes small, that is, the current value of the current signal output by the first electrode becomes large. Based on this, the processor is connected with the detection circuit, obtains the current signal of the output of detection circuit, and compares the current value of current signal with first threshold value, and under the current value of current signal is greater than first threshold value, namely the condition that the path impedance between first electrode and the second electrode diminishes, the processor confirms that the skin of projection display interface is touched by second wearing position.
In the embodiment of the application, before the processor controls the projection component to execute the target action according to the touch type of the second wearing part of the user touching the projection display interface, whether the skin of the projection display interface is touched by the second wearing part is determined according to the current value of the current signal corresponding to the impedance information, so that the error recognition rate of the wearable device can be reduced.
In one embodiment of the present application, the location identification module comprises a first distance sensor and a second distance sensor; the step of acquiring the position information of the second wearing part of the skin of the touch user collected by the position identification module may further include: steps S4210-S4220
Step S4210, acquiring first distance information acquired by the first distance sensor and second distance information acquired by the second distance sensor;
step S4220, determining position information of a second wearing portion of the skin of the touch user according to the first distance information and the second distance information.
For example, the first distance information is a distance from the first distance sensor to a finger of the user, the second distance information is a distance from the second distance sensor to the finger of the user, and a position of the finger of the user can be determined according to an intersection point of the first distance information and the second distance information, that is, position information of a second wearing portion touching the skin of the user is determined, and further, a touch position of the second wearing portion touching the projection display interface of the user can be determined.
In this application embodiment, through set up the first distance sensor and the second distance sensor of projection subassembly both sides respectively and confirm the position information at the second position of wearing, can improve the accuracy of discernment.
And step S4300, controlling the projection assembly to work according to the impedance information and the position information.
In an embodiment of the present application, the step of controlling the operation of the projection assembly according to the impedance information and the position information may further comprise: steps S4310-S4330.
Step S4310, determining a touch position of the second wearing part of the user on the touch projection display interface according to the position information.
Step S4320, determining a touch type of the second wearing part touch projection display interface of the user according to the impedance information and the touch position.
In this embodiment, the touch type of the second wearing portion of the user touching the projection display interface may be determined according to the impedance information and the touch position. And, a mapping relationship between the target motion and the touch type may be stored in advance. The touch type may be, for example, single click, double click, long press, swipe, and the like. Therefore, the target action corresponding to the touch type can be determined according to the pre-stored mapping relation between the target action and the touch type of the second wearing part touch projection display interface of the user, and the target action is executed.
In this embodiment of the application, it may be determined whether the skin of the projection display interface is touched by the second wearing portion according to the impedance information between the first electrode and the second electrode acquired by the detection circuit, and in a case that it is determined that the skin of the projection display interface is touched by the second wearing portion, a touch position where the second wearing portion of the user touches the projection display interface is determined according to the position information. The touch type of the touch projection display interface of the second wearing part of the user is further determined according to the impedance information and the touch position, so that interaction between the user and the projection display interface can be achieved, misoperation caused by the fact that a screen of the wearable device is small is avoided, accuracy of touch operation identification is improved, and efficiency of touch operation is improved.
In one embodiment of the present application, the impedance information includes a current value of the current signal and a duration of the current signal corresponding to the impedance information. The step of determining the touch type of the second wearing portion touch projection display interface of the user according to the impedance information and the touch position may further include: steps S4321-S4324.
Step S4321, determining that the touch type is single click when the current value of the current signal is greater than a first threshold and the time for maintaining the state of being greater than the first threshold is greater than a second threshold;
step S4322, determining that the touch type is double-click when the current signal with the current value larger than the first threshold appears twice and the interval time of the current signal appearing twice is smaller than a third threshold;
step S4323, determining that the touch type is long press if the current value of the current signal is greater than a first threshold and the time for maintaining the state greater than the first threshold is greater than a fourth threshold;
step S4324, when the current value of the current signal is greater than a first threshold, the time for maintaining the state greater than the first threshold is greater than a fourth threshold, and the touch position is changed, determining that the touch type is sliding.
According to the magnitude, the duration and the like of the current value of the current signal at the first electrode detected by the detection circuit, the touch type of the second wearing part touch projection display interface of the user can be determined. The touch type of the second wearing portion of the user touching the projection display interface may be, for example, single click, double click, long press, slide, and the like. According to different touch types, the projection component can be controlled to project and execute corresponding target actions. The detection processes of single click, double click, long press and slide will be described with reference to the accompanying drawings.
When the user does not operate on the projection display (state 1), that is, the user's right finger does not contact the left arm, the impedance a between the first electrode 14 and the second electrode 22 is the path impedance of right finger-right wrist-right arm-body-left arm-left wrist. As shown in fig. 5a, the current value of the current signal passing through the first electrode in this state is small.
When the user operates on the projection display screen, that is, when the right finger of the user touches the left arm, the path impedance between the first electrode 14 and the second electrode 22 becomes small. As shown in fig. 5b, when it is detected that the current value of the current signal output from the first electrode is greater than the predetermined first threshold value and the time remaining greater than the predetermined first threshold value reaches the predetermined second threshold value (state 2), it is considered that the user clicks the projection display screen.
As shown in fig. 5c, when it is detected that current signals having current values greater than the predetermined first threshold value occur twice, and the time for which the state in which each current signal is maintained greater than the predetermined first threshold value reaches the second threshold value, and the time interval between the occurrence of the two current signals is less than the third threshold value (state 3), it is considered that the user double-clicks the projection display screen.
In addition, when the user performs a sliding operation, i.e., the finger of one hand of the user slides on the arm of the other hand, the touch position is displaced while the path impedance between the first electrode and the second electrode is changed slightly. Based on the above, whether the touch motion is long-pressing or sliding can be judged according to the impedance information of the detection circuit, and the impedance information of the detection circuit and the position information of the position identification module can be combined to judge whether the touch motion is long-pressing or sliding.
For example, as shown in fig. 5d, when it is detected that the current value of the current signal output by the first electrode is greater than the predetermined first threshold and the time period of maintaining the current value greater than the predetermined current amplitude threshold is greater than the predetermined fourth threshold (state 4), it may be further determined, in combination with the touch position of the second wearing portion of the user touching the projection display interface, whether the touch type is long-press or sliding. For example, when it is detected that the current value of the current signal output by the first electrode is greater than a predetermined first threshold and the time for which the current signal is maintained greater than the predetermined current amplitude threshold is greater than a predetermined fourth threshold, it is detected that the touch position of the user in the projection display screen is not changed, and the touch type is considered to be long-press. When the current value of the current signal output by the first electrode is detected to be larger than a preset first threshold value and the time of maintaining the current value larger than the preset current amplitude threshold value is detected to be larger than a preset fourth threshold value, the touch position of the user in the projection display picture is detected to be changed, and the touch type is considered to be sliding.
For example, when it is detected that the current value of the current signal output by the first electrode is greater than the predetermined first threshold and the time for which the current signal is maintained greater than the predetermined current amplitude threshold is greater than the predetermined fourth threshold, it may be further determined whether the touch operation is a long press or a slide according to the waveform of the current signal. If the waveform of the current signal is stable, that is, the magnitude of the current value of the current signal is maintained at a fixed value, it is considered that the user presses the touch screen for a long time. If the waveform of the current signal changes, that is, the magnitude of the current value of the current signal changes, it is considered that the user slides on the touch screen.
In the embodiment of the application, according to the information such as the magnitude, the duration, the wavelength, and the like of the current value of the current signal output by the first electrode detected by the detection circuit, the touch action of the user in the projection picture can be accurately identified, so that the accuracy of the touch operation of the electronic device can be improved.
Step S4330, controlling the projection module to execute a target action according to the touch type, wherein the target action corresponds to the touch type.
In this embodiment, the touch type of the second wearing portion of the user touching the projection display interface may be determined according to the impedance information and the touch position. And, a mapping relationship between the target motion and the touch type may be stored in advance. The touch type may be, for example, single click, double click, long press, swipe, and the like. The processor can determine a target action corresponding to the touch type according to a pre-stored mapping relation between the target action and the touch type of the second wearing part touch projection display interface of the user, and execute the target action.
A control method of an electronic device according to an embodiment of the present application is described below with reference to the drawings. Referring to fig. 6, the control method includes: S601-S610.
S601, receiving a first input.
S602, in response to a first input, controlling a projection component of a first wearable device worn on a first wearing part to project a projection display interface corresponding to a display interface of the first wearable device on the skin of a user.
And S603, acquiring a current signal acquired by the detection circuit.
S604, judging whether the current value of the current signal is larger than a preset first threshold value, if so, entering S605, otherwise, returning to S603.
And S605, determining the touch position of the touch projection display interface of the second wearing part of the user according to the position information acquired by the position identification module.
S606, determining the touch type of the touch projection display interface of the second wearing part of the user according to the impedance information and the touch position.
S607, determining a target action corresponding to the touch type according to the touch type of the touch projection display interface of the second wearing part of the user.
And S608, acquiring next frame of picture information needing to be projected according to the target action, and sending the next frame of picture information to the first display driving unit.
And S609, after receiving the next frame of picture information, the first display driving unit sends a driving signal to the projection module.
S610, in response to the driving signal, the projection module projects a next frame of picture on the arm of the user.
In this embodiment of the application, the processor may determine whether the skin of the projection display interface is touched by the second wearing portion according to the impedance information between the first electrode and the second electrode acquired by the detection circuit, and determine the touch position where the second wearing portion of the user touches the projection display interface according to the position information under the condition that it is determined that the skin of the projection display interface is touched by the second wearing portion. The touch type of the second wearable part touch projection display interface of the user is further determined according to the impedance information and the touch position, so that interaction between the user and the projection display interface can be achieved, misoperation caused by the fact that a screen of the wearable device is small is avoided, accuracy of touch operation identification is improved, and efficiency of touch operation is improved.
The embodiment of the present application further provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or the instruction is executed by a processor, the program or the instruction implements each process of the control method embodiment of the electronic device, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here.
The processor is the processor in the electronic device described in the above embodiment. The readable storage medium includes a computer-readable storage medium, such as a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and so on.
The embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to execute a program or an instruction to implement each process of the control method embodiment of the electronic device, and can achieve the same technical effect, and in order to avoid repetition, the description is omitted here.
It should be understood that the chips mentioned in the embodiments of the present application may also be referred to as system-on-chip, system-on-chip or system-on-chip, etc.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.
Through the description of the foregoing embodiments, it is clear to those skilled in the art that the method of the foregoing embodiments may be implemented by software plus a necessary general hardware platform, and certainly may also be implemented by hardware, but in many cases, the former is a better implementation. Based on such understanding, the technical solutions of the present application may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present application.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. An electronic device, comprising a first wearable device wearable at a first wearing part and a second wearable device wearable at a second wearing part;
the first wearable device, comprising:
a first device body having a first side and a second side for contact with a user;
the projection assembly is arranged on the first side face and is used for projecting and displaying content to be displayed onto the skin of a user;
the position identification module is arranged on the first side face of the first equipment body and used for acquiring position information of a second wearing part of the skin of the touch user;
a first electrode disposed on the second side, the first electrode for contacting skin of the first wearing portion;
the second wearable device, comprising:
a second device body having a third side for contact with a user;
a second electrode disposed on the third side, the second electrode being for contact with skin of the second wearing portion;
the electronic device further comprises a detection circuit and a processor;
the detection circuit is connected with the first electrode or the second electrode and is used for acquiring impedance information between the first electrode and the second electrode under the condition that the first wearing part is in contact with the second wearing part;
the processor is arranged on the first equipment body or the second equipment body, the processor is respectively connected with the position identification module and the detection circuit, and the processor determines whether the skin of the projection display interface is touched by a second wearing part according to the impedance information; under the condition that the skin of the projection display interface is touched by the second wearing part, the processor determines the touch position of the second wearing part of the user for touching the projection display interface according to the position information; the processor determines the touch type of the second wearing part touch projection display interface of the user according to the impedance information and the touch position; the processor controls the projection component to execute a target action according to the touch type of the second wearing part touch projection display interface of the user, and the target action corresponds to the touch type.
2. The electronic device of claim 1, wherein the impedance information includes a current value of a current signal corresponding to the impedance information;
the processor determines whether the skin of the projection display interface is touched by the second wearing part according to the impedance information, and specifically includes:
under the condition that the current value of the current signal is larger than a first threshold value, the processor determines that the skin of the projection display interface is touched by a second wearing part;
and under the condition that the current value of the current signal is smaller than or equal to a first threshold value, the processor determines that the skin of the projection display interface is not touched by the second wearing part.
3. The electronic device of claim 1, wherein the position identification module comprises a first distance sensor and a second distance sensor, the first distance sensor and the second distance sensor are both disposed on the first side of the first device body, and the first distance sensor and the second distance sensor are respectively located on two sides of the projection assembly.
4. The electronic device according to claim 3, wherein the processor determines the touch position of the second wearing portion touch projection display interface of the user according to the position information, and specifically includes:
determining position information of a second wearing part of the skin of the touch user according to first distance information acquired by the first distance sensor and second distance information acquired by the second distance sensor;
and determining the touch position of the second wearing part touch projection display interface of the user according to the position information.
5. A control method of an electronic device, applied to the electronic device according to any one of claims 1 to 4, the method comprising:
acquiring impedance information acquired by a detection circuit;
under the condition that the impedance information meets a preset condition, acquiring position information of a second wearing part of the skin of the touch user, which is acquired by a position identification module;
determining a touch position of a second wearing part touch projection display interface of the user according to the position information;
determining the touch type of a second wearing part touch projection display interface of the user according to the impedance information and the touch position;
and controlling the projection component to execute a target action according to the touch type, wherein the target action corresponds to the touch type.
6. The method of claim 5, wherein the impedance information comprises a current value of a current signal corresponding to the impedance information, and the impedance information satisfying a preset condition comprises:
the current value of the current signal is greater than a first threshold value.
7. The method of claim 5, wherein the impedance information includes a current value of a current signal corresponding to the impedance information and a duration of the current signal;
the determining the touch type of the touch projection display interface of the second wearing part of the user according to the impedance information and the touch position includes:
determining that the touch type is single click under the condition that the current value of the current signal is larger than a first threshold value and the time for maintaining the state larger than the first threshold value is larger than a second threshold value;
under the condition that the current signal with the current value larger than the first threshold value appears twice and the interval time of the current signal appearing twice is smaller than a third threshold value, determining that the touch type is double-click;
determining that the touch type is long press when the current value of the current signal is greater than a first threshold value and the time for maintaining the state greater than the first threshold value is greater than a fourth threshold value;
and determining that the touch type is sliding when the current value of the current signal is greater than a first threshold value, the time for maintaining the state of being greater than the first threshold value is greater than a fourth threshold value, and the touch position is changed.
8. The method of claim 5, wherein the location identification module comprises a first range sensor and a second range sensor;
the position information of the second wearing part of the skin of the touch user collected by the position identification module is obtained, and the position information comprises:
acquiring first distance information acquired by the first distance sensor and second distance information acquired by the second distance sensor;
and determining the position information of a second wearing part of the skin of the touch user according to the first distance information and the second distance information.
9. A readable storage medium, characterized in that it stores thereon a program or instructions which, when executed by a processor, implement the steps of the control method of an electronic device according to any one of claims 5-8.
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| CN108541356A (en) * | 2016-01-26 | 2018-09-14 | P·罗耶 | Body or mental ability are maintained and developed to the purposes of the modulation of signal by skin contact impedance |
| CN111214216A (en) * | 2020-04-22 | 2020-06-02 | 浙江乾行信息技术有限公司 | Acquisition device for acquiring heart rate based on micro-electrical signal change on palm surface |
| CN111248893A (en) * | 2020-01-21 | 2020-06-09 | 桂林电子科技大学 | Method for establishing blood flow graph based on bioelectrical impedance technology |
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| CN108541356A (en) * | 2016-01-26 | 2018-09-14 | P·罗耶 | Body or mental ability are maintained and developed to the purposes of the modulation of signal by skin contact impedance |
| CN111248893A (en) * | 2020-01-21 | 2020-06-09 | 桂林电子科技大学 | Method for establishing blood flow graph based on bioelectrical impedance technology |
| CN111214216A (en) * | 2020-04-22 | 2020-06-02 | 浙江乾行信息技术有限公司 | Acquisition device for acquiring heart rate based on micro-electrical signal change on palm surface |
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