CN113038100B - Projection control method, projection control device, electronic apparatus, and readable storage medium - Google Patents
Projection control method, projection control device, electronic apparatus, and readable storage medium Download PDFInfo
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- CN113038100B CN113038100B CN202110259666.9A CN202110259666A CN113038100B CN 113038100 B CN113038100 B CN 113038100B CN 202110259666 A CN202110259666 A CN 202110259666A CN 113038100 B CN113038100 B CN 113038100B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3179—Video signal processing therefor
- H04N9/3188—Scale or resolution adjustment
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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
- G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
- H04N9/3173—Constructional details thereof wherein the projection device is specially adapted for enhanced portability
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Abstract
The application discloses a projection control method, a projection control device, electronic equipment and a readable storage medium, and belongs to the field of wearable equipment. The projection control method comprises the following steps: receiving an induction signal of an induction device of the wearable equipment, wherein the induction signal is generated by the induction device through induction of a limb wearing surface of a wearer; determining the contact size of the sensing device and the limb wearing surface of the wearer according to the sensing signal; and determining the projection picture size according to the contact size, and controlling a projection device of the wearable equipment to project according to the projection picture size. According to the embodiment of the application, the projection picture size of the projection device is more suitable for the limb wearing surface of a wearer, the flexibility of controlling the projection picture is improved, the projection effect on the limb of the wearer is improved, and the operation and the use of a user are facilitated.
Description
Technical Field
The application belongs to the field of wearable equipment, and particularly relates to a projection control method, a projection control device, electronic equipment, a readable storage medium and the wearable equipment.
Background
At present, the wearable equipment is integrated with a projection function, so that projection can be performed on the arm of a wearer, and the user can use the wearable equipment conveniently. However, in the related art, the projection picture of the wearable device cannot be adjusted, and the situations that the projection picture overflows the arm of a wearer, the projection picture is too small, and the like, so that the impression experience of a user is affected.
Disclosure of Invention
The embodiment of the application aims to provide a projection control method, a projection control device, electronic equipment, readable storage media and wearable equipment, which can solve the problem that the projection picture of the wearable equipment in the related technology cannot be adjusted.
In order to solve the technical problems, the application is realized as follows:
in a first aspect, an embodiment of the present application provides a projection control method, including:
receiving an induction signal of an induction device of the wearable equipment, wherein the induction signal is generated by the induction device through induction of a limb wearing surface of a wearer;
determining the contact size of the sensing device and the limb wearing surface of the wearer according to the sensing signal;
and determining the projection picture size according to the contact size, and controlling a projection device of the wearable equipment to project according to the projection picture size.
In a second aspect, an embodiment of the present application provides a projection control apparatus, including:
the receiving unit is used for receiving induction signals of the induction device of the wearable equipment, and the induction signals are generated by the induction device through induction of the limb wearing surface of a wearer;
the information determining unit is used for determining the contact size between the sensing device and the limb wearing surface of the wearer according to the sensing signal;
and the control unit is used for determining the projection picture size according to the contact state size and controlling the projection device of the wearable equipment to project according to the projection picture size.
In a third aspect, embodiments of the present application provide an electronic device comprising a processor, a memory and a program or instructions stored on the memory and executable on the processor, the program or instructions implementing a method as in the first aspect when executed by the processor.
In a fourth aspect, embodiments of the present application provide a readable storage medium having stored thereon a program or instructions which, when executed by a processor, implement a method as in the first aspect.
In a fifth aspect, embodiments of the present application provide a chip comprising a processor and a communication interface, the communication interface being coupled to the processor, the processor being configured to execute programs or instructions to implement a method as in the first aspect.
In a sixth aspect, an embodiment of the present application provides a wearable device, including:
an equipment body;
at least one projection device arranged on the equipment body;
the sensing device is arranged on the equipment body and is used for sensing the limb wearing surface of a wearer so as to generate a sensing signal;
the processing device is arranged on the equipment body, determines the contact size of the sensing device and the limb wearing surface of the wearer according to the sensing signal, determines the projection picture size according to the contact size, and controls the projection device to project according to the projection picture size.
In the embodiment of the application, when the wearable device is worn on the limb of a wearer, the sensing device of the wearable device senses the limb wearing surface of the wearer to generate a sensing signal, and the contact size of the sensing device and the limb wearing surface of the wearer is determined according to the sensing signal. Further, the projection picture size is obtained according to the contact size, so that the projection picture size of the wearable device projection device is controlled, the projection picture size of the projection device is more suitable for the limb wearing surface of a wearer, the flexibility of controlling the projection picture is improved, the projection effect on the limb of the wearer is improved, and the user operation and the use are facilitated.
Drawings
FIG. 1 is a schematic flow chart of a projection control method according to an embodiment of the application;
FIG. 2 is a schematic view of an embodiment of the present application;
FIG. 3 is a schematic block diagram of a projection control apparatus according to an embodiment of the present application;
FIG. 4 is a block diagram schematically illustrating the structure of an electronic device according to an embodiment of the present application;
fig. 5 is one of schematic structural diagrams of a wearable device according to an embodiment of the present application;
FIG. 6 is a second schematic diagram of a wearable device according to an embodiment of the present application;
fig. 7 is a third schematic structural diagram of the wearable device according to the embodiment of the application;
FIG. 8 is a second flowchart of a projection control method according to an embodiment of the application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The terms first, second and the like in the description and in the claims, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the application may be practiced otherwise than as specifically illustrated or described herein. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.
The projection control method, the projection control device, the electronic equipment, the readable storage medium and the wearable equipment provided by the embodiment of the application are described in detail below through specific embodiments and application scenes thereof with reference to the accompanying drawings.
The embodiment of the application provides a projection control method, as shown in fig. 1, which comprises the following steps:
step 102, receiving an induction signal of an induction device of the wearable equipment, wherein the induction signal is generated by the induction device through induction of a limb wearing surface of a wearer;
104, determining the contact size between the sensing device and the limb wearing surface of the wearer according to the sensing signal;
and 106, determining the projection picture size according to the contact size, and controlling the projection device of the wearable equipment to project according to the projection picture size.
In this embodiment, when the wearable device is worn on a limb of a wearer, the sensing means of the wearable device senses the limb wearing surface of the wearer to generate a sensing signal, and the contact size of the sensing means and the limb wearing surface of the wearer is determined according to the sensing signal. Further, the projection picture size is obtained according to the contact size, so that the projection picture size of the wearable device projection device is controlled, the projection picture size of the projection device is more suitable for the limb wearing surface of a wearer, the flexibility of controlling the projection picture is improved, the projection effect on the limb of the wearer is improved, and the user operation and the use are facilitated.
It should be noted that, the main body performing the projection control method may be a wearable device or a terminal device that communicates with the wearable device. If the execution main body is wearable equipment, the wearable equipment receives the induction signal, determines the contact size according to the induction signal, and finally controls the projection picture size of the projection device; if the execution main body is a terminal device, the terminal device receives an induction signal sent by an induction device arranged on the wearable device, determines a contact size according to the induction signal, further obtains a projection picture size, and sends the projection picture size to the wearable device, so that a projection device of the wearable device projects according to the projection picture size.
In one embodiment of the application, determining the contact size of the sensing device with the limb wear surface of the wearer based on the sensing signal comprises: determining the number of sensing pieces in the sensing device, which are in contact with the limb wearing surface of the wearer, according to the sensing signals; and calculating the contact size of the sensing device and the limb wearing surface of the wearer according to the number of the sensing pieces and the distance between the two adjacent sensing pieces.
In this embodiment, a manner of determining the contact size is defined, in which the sensing device includes a plurality of sensing elements (e.g., electrode pairs) disposed along the circumference of the device body (i.e., the wristband) of the wearable device, and a fixed distance is disposed between two adjacent sensing elements, which may be equal to or different from the fixed distance disposed between two other adjacent sensing elements, and when the sensing elements sense the limb wearing surface of the wearer, a sensing signal is emitted.
Specifically, the number of sensing pieces in contact with the limb wearing surface of the wearer is determined according to the sensing signals, and the contact size between the sensing device and the limb wearing surface of the wearer is calculated according to the number of sensing pieces in contact with the limb of the wearer and the distance between two adjacent sensing pieces in the sensing device. For example, according to the sensing signal, the number of sensing pieces contacting with the arm of the wearer is determined to be M, and the fixed distances between two adjacent sensing pieces are equal to each other and are d, so that the width w= [ M-1] x d of the arm of the wearer.
Through the mode, the contact size of the sensing device and the limbs of the wearer can be accurately determined, so that basis is provided for adjusting the projection picture size of the projection device according to the width of the limb wearing surface of the wearer, and the projection effect on the limbs of the wearer is improved.
In one embodiment of the application, determining the contact size of the sensing device with the limb wear surface of the wearer based on the sensing signal comprises: according to the sensing signals, determining coordinates of a sensing piece in the sensing device, wherein the sensing piece is in contact with a limb wearing surface of a wearer; and calculating the contact size of the sensing device and the limb wearing surface of the wearer according to the coordinates and the distance between the two adjacent sensing pieces.
In this embodiment, a manner of determining the contact size is defined, in which the sensing device includes a plurality of sensing elements (e.g., electrode pairs) disposed along the circumference of the device body (i.e., the wristband) of the wearable device, and a fixed distance is disposed between two adjacent sensing elements, which may be equal to or different from the fixed distance disposed between other two adjacent sensing elements. When the sensing piece senses the limb wearing surface of a wearer, sensing signals can be sent out, and each sensing piece is provided with coordinates, so that the sensing pieces can be distinguished through the coordinates.
Specifically, according to the sensing signals, the coordinates of sensing pieces in contact with the limb wearing surface of the wearer are determined, and according to the coordinates of the sensing pieces in contact with the limb wearing surface of the wearer and the distance between two adjacent sensing pieces in the sensing device, the contact size between the sensing device and the limb wearing surface of the wearer is calculated. For example, according to the sensing signal, the maximum coordinate of the sensing element contacting the arm of the wearer is determined to be Max (Xn), the minimum coordinate of the sensing element contacting the arm of the wearer is determined to be Min (Xn), the fixed distances between two adjacent sensing elements are equal, and d is the width w= [ Max (Xn) -Min (Xn) ] x d of the arm of the wearer.
Through the mode, the contact size of the sensing device and the limb wearing surface of the wearer can be accurately determined, so that a basis is provided for adjusting the projection picture size of the projection device according to the width of the limb wearing surface of the wearer, and the projection effect on the limb of the wearer is improved.
In one embodiment of the application, determining the contact size of the sensing device with the limb wear surface of the wearer based on the sensing signal comprises: the contact size of the sensing device and the limb wearing surface of the wearer is determined according to the intensity of the sensing signal.
In this embodiment, a way of determining the contact size is defined, in which the sensing means comprise a hall sensor and a magnet, which are arranged along the circumference of the device body (i.e. the bracelet) of the wearable device, at a distance from the magnet. The Hall sensor can sense the corresponding magnet to generate a sensing signal, and the closer the Hall sensor is to the magnet, the stronger the sensing signal is, and the farther the Hall sensor is to the magnet, the weaker the sensing signal is. In the embodiment of the application, after a wearer wears the wearable device, the distance between the Hall sensor and the magnet is determined according to the intensity of the induction signal generated by the Hall sensor, so that the contact size of the limb wearing surface of the wearer is determined.
Through the mode, the contact size of the sensing device and the limb wearing surface of the wearer can be accurately determined, so that a basis is provided for adjusting the projection picture size of the projection device according to the width of the limb wearing surface of the wearer, and the projection effect on the limb of the wearer is improved.
In some embodiments, after the width of the limb wearing surface of the wearer is obtained, the length of the wearable device can be automatically adjusted according to the width, so that the wearable device is more suitable for the limb of the wearer, and the wearing effect is improved.
In this embodiment, the size of the contact of the sensing device with the limb wear surface of the wearer, i.e. the width of the limb wear surface of the wearer. As shown in fig. 2, the size of the projected frame 204 of the projection device 206 is determined according to the width of the limb wearing surface 202 of the wearer, and the projection of the projection device 206 to the limb wearing surface 202 of the wearer is controlled according to the size. Through the mode, the function of automatically adjusting the projection picture according to the width of the limb wearing surface is achieved, so that when different wearers wear the projection picture, the projection picture can be automatically adjusted according to the width of the limb wearing surface of the wearers, and the convenience of miniature projection use is greatly improved.
In one embodiment of the present application, controlling projection of a projection device of a wearable apparatus according to a projection frame size includes: determining the contact position of the sensing device and the limb wearing surface of the wearer according to the coordinates of the sensing piece contacted with the limb wearing surface of the wearer; determining a target projection device corresponding to the contact position; controlling the projection of the target projection device according to the projection picture size; the projection device comprises a plurality of target projection devices, and the target projection device is one of the plurality of projection devices.
In this embodiment, a manner of determining the target projection apparatus is defined, in which a plurality of sensing pieces (e.g., electrode pairs, temperature sensors, etc.) are included, the plurality of sensing pieces being disposed along a circumferential direction of a device body (i.e., a bracelet) of the wearable device, each sensing piece being provided with coordinates by which the sensing pieces can be distinguished. In the embodiment of the application, the coordinates of the sensing piece contacted with the limb wearing surface of the wearer are determined according to the sensing signals, and then the contact position of the sensing device and the limb of the wearer is determined according to the coordinates of the sensing piece contacted with the limb wearing surface of the wearer.
For example, the back of the hand of the wearer is up, and the wearable device is more with the back of the hand contact, corresponds the inductor of back of the hand side and can sense the arm of the wearer, and corresponds the inductor of palm side and can not sense the arm of the wearer to can confirm the back of the hand up of the wearer according to the inductor coordinate of sensing the arm of the wearer, induction system and the back of the hand side contact of the wearer promptly.
And after the contact position of the sensing device and the limb wearing surface of the wearer is determined, controlling the target projection device corresponding to the contact position to project. For example, when the back of the hand of the wearer faces upwards, the wearable device is in more contact with the back of the hand, so that the back of the hand of the wearer faces upwards according to the coordinates of the sensing piece sensed by the arm of the wearer, namely the sensing device is in contact with the back of the hand of the wearer, and the projection device close to the back of the hand is controlled to work; when the palm of a wearer faces upwards, the wearable device is in contact with the palm of the hand, so that the palm of the wearer can be determined to face upwards according to the coordinates of the sensing piece sensing the arm of the wearer, namely, the sensing device is in contact with the palm of the wearer, and then the projection device close to the palm of the hand is controlled to work.
Through the mode, when the projection picture size of the projection device is more suitable for the limb wearing surface of a wearer, the function of automatically determining the target projection device according to the contact position of the sensing device and the limb wearing surface of the wearer is also realized, the wearer does not need to rotate wearable equipment, the projection is more suitable for the wearing surface of the wearer, and the convenience of miniature projection use is greatly improved.
It should be noted that, in the projection control method provided in the embodiment of the present application, the execution body may be a projection control device, or a control module in the projection control device for executing the loading projection control method. In the embodiment of the present application, a projection control device executes a loading projection control method as an example, and the projection control device provided in the embodiment of the present application is described.
As shown in fig. 3, the projection control apparatus 300 includes:
a receiving unit 302, configured to receive an induction signal of an induction device of the wearable apparatus, where the induction signal is generated by the induction device by inducing a limb wearing surface of a wearer;
an information determining unit 304, configured to determine a contact size between the sensing device and a limb wearing surface of the wearer according to the sensing signal;
The control unit 306 is configured to determine a projected picture size according to the contact size, and control the projection device of the wearable device to project according to the projected picture size.
In this embodiment, when the wearable device is worn on a limb of a wearer, the sensing means of the wearable device senses the limb wearing surface of the wearer to generate a sensing signal, and the contact size of the sensing means and the limb wearing surface of the wearer is determined according to the sensing signal. Further, the projection picture size is obtained according to the contact size, so that the projection picture size of the wearable device projection device is controlled, the projection picture size of the projection device is more suitable for the limb wearing surface of a wearer, the flexibility of controlling the projection picture is improved, the projection effect on the limb of the wearer is improved, and the user operation and the use are facilitated.
In one embodiment of the present application, the information determining unit 304 is specifically configured to: determining the number of sensing pieces in the sensing device, which are in contact with the limb wearing surface of the wearer, according to the sensing signals; and calculating the contact size of the sensing device and the limb wearing surface of the wearer according to the number of the sensing pieces and the distance between the two adjacent sensing pieces.
In one embodiment of the present application, the information determining unit 304 is specifically configured to: according to the sensing signals, determining coordinates of a sensing piece in the sensing device, wherein the sensing piece is in contact with a limb wearing surface of a wearer; and calculating the contact size of the sensing device and the limb wearing surface of the wearer according to the coordinates and the distance between the two adjacent sensing pieces.
In one embodiment of the present application, the information determining unit 304 is specifically configured to: determining the contact position of the sensing device and the limb wearing surface of the wearer according to the coordinates of the sensing piece contacted with the limb wearing surface of the wearer; the control unit 306 is specifically configured to: determining a target projection device corresponding to the contact position; controlling the projection of the target projection device according to the projection picture size; the projection device comprises a plurality of target projection devices, and the target projection device is one of the plurality of projection devices.
The projection control device in the embodiment of the application can be a device, and can also be a component, an integrated circuit or a chip in a terminal. The device may be a mobile electronic device or a non-mobile electronic device. By way of example, the mobile electronic device may be a cell phone, tablet computer, notebook computer, palm computer, vehicle mounted electronic device, wearable device, ultra-mobile personal computer (Ultra-Mobile Personal Computer, UMPC), netbook or personal digital assistant (Personal Digital Assistant, PDA), etc., and the non-mobile electronic device may be a server, network attached storage (Network Attached Storage, NAS), personal computer (Personal Computer, PC), television (Television, TV), teller machine or self-service machine, etc., and embodiments of the present application are not limited in particular.
The projection control device in the embodiment of the application can be a device with an operating system. The operating system may be an Android operating system, an ios operating system, or other possible operating systems, and the embodiment of the present application is not limited specifically.
The projection control device provided in the embodiment of the present application can implement each process implemented in the method embodiments of fig. 1 and fig. 2, and in order to avoid repetition, a description is omitted here.
Optionally, the embodiment of the present application further provides an electronic device, including a processor 420, a memory 418, and a program or an instruction stored in the memory 418 and capable of running on the processor 420, where the program or the instruction implements each process of the embodiment of the projection control method when executed by the processor 420, and the process can achieve the same technical effect, so that repetition is avoided, and no further description is provided herein.
It should be noted that, the electronic device in the embodiment of the present application includes the mobile electronic device and the non-mobile electronic device described above.
Fig. 4 is a schematic hardware structure of an electronic device implementing an embodiment of the present application.
The electronic device 400 includes, but is not limited to: radio frequency unit 402, network module 404, audio output unit 406, input unit 408, sensor 410, display unit 412, user input unit 414, interface unit 416, memory 418, and processor 420.
Those skilled in the art will appreciate that the electronic device 400 may also include a power source (e.g., a battery) for powering the various components, which may be logically connected to the processor 420 via a power management system so as to perform functions such as managing charging, discharging, and power consumption via the power management system. The electronic device structure shown in fig. 4 does not constitute a limitation of the electronic device, and the electronic device may include more or less components than shown, or may combine certain components, or may be arranged in different components, which are not described in detail herein.
The radio frequency unit 402 is configured to receive an induction signal of an induction device of the wearable apparatus, where the induction signal is generated by the induction device by inducing a limb wearing surface of a wearer; the processor 420 is configured to determine a contact size between the sensing device and a wearing surface of a limb of the wearer according to the sensing signal, determine a projection frame size according to the contact size, and control the projection device of the wearable device to project according to the projection frame size.
In this embodiment, when the wearable device is worn on a limb of a wearer, the sensing means of the wearable device senses the limb wearing surface of the wearer to generate a sensing signal, and the contact size of the sensing means and the limb wearing surface of the wearer is determined according to the sensing signal. Further, the projection picture size is obtained according to the contact size, so that the projection picture size of the wearable device projection device is controlled, the projection picture size of the projection device is more suitable for the limb wearing surface of a wearer, the flexibility of controlling the projection picture is improved, the projection effect on the limb of the wearer is improved, and the user operation and the use are facilitated.
In one embodiment of the application, the processor 420 is specifically configured to: determining the number of sensing pieces in the sensing device, which are in contact with the limb wearing surface of the wearer, according to the sensing signals; and calculating the contact size of the sensing device and the limb wearing surface of the wearer according to the number of the sensing pieces and the distance between the two adjacent sensing pieces.
In one embodiment of the application, the processor 420 is specifically configured to: according to the sensing signals, determining coordinates of a sensing piece in the sensing device, wherein the sensing piece is in contact with a limb wearing surface of a wearer; and calculating the contact size of the sensing device and the limb wearing surface of the wearer according to the coordinates and the distance between the two adjacent sensing pieces.
In one embodiment of the application, the processor 420 is specifically configured to: according to the coordinates of the sensing piece contacted with the limb wearing surface of the wearer, the contact position of the sensing device and the limb wearing surface of the wearer is determined, the target projection device corresponding to the contact position is determined, and the projection of the target projection device is controlled according to the projection picture size; the projection device comprises a plurality of target projection devices, and the target projection device is one of the plurality of projection devices.
It should be understood that, in the embodiment of the present application, the radio frequency unit 402 may be configured to receive and transmit information or signals during a call, and specifically, receive downlink data of a base station or send uplink data to the base station. The radio frequency unit 402 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
The network module 404 provides wireless broadband internet access to the user, such as helping the user to email, browse web pages, access streaming media, and the like.
The audio output unit 406 may convert audio data received by the radio frequency unit 402 or the network module 404 or stored in the memory 418 into an audio signal and output as sound. Also, the audio output unit 406 may also provide audio output (e.g., call signal reception sound, message reception sound, etc.) related to a specific function performed by the electronic device 400. The audio output unit 406 includes a speaker, a buzzer, a receiver, and the like.
The input unit 408 is for receiving an audio or video signal. The input unit 408 may include a graphics processor (Graphics Processing Unit, GPU) 4082 and a microphone 4084, the graphics processor 4082 processing image data of still pictures or video obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 412, or stored in the memory 418 (or other storage medium), or transmitted via the radio frequency unit 402 or the network module 404. The microphone 4084 may receive sound and may be capable of processing the sound into audio data, which may be converted into a format output that may be transmitted to the mobile communication base station via the radio frequency unit 402 in the case of a phone call mode.
The electronic device 400 further comprises at least one sensor 410, such as a fingerprint sensor, a pressure sensor, an iris sensor, a molecular sensor, a gyroscope, a barometer, a hygrometer, a thermometer, an infrared sensor, a light sensor, a motion sensor, and other sensors.
The display unit 412 is used to display information input by a user or information provided to the user. The display unit 412 may include a display panel 4122, and the display panel 4122 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
The user input unit 414 may be used to receive input numeric or character information and to generate key signal inputs related to user settings and function control of the electronic device. In particular, the user input unit 414 includes a touch panel 4142 and other input devices 4144. The touch panel 4142, also referred to as a touch screen, may collect touch operations thereon or thereabout by a user. The touch panel 4142 may include two parts, a touch detection device and a touch controller. The touch detection device detects the touch azimuth of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch detection device, converts it into touch point coordinates, and sends the touch point coordinates to the processor 420, and receives and executes commands sent from the processor 420. Other input devices 4144 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and so forth, which are not described in detail herein.
Further, the touch panel 4142 may be overlaid on the display panel 4122, and when the touch panel 4142 detects a touch operation thereon or thereabout, the touch panel is transmitted to the processor 420 to determine the type of touch event, and then the processor 420 provides a corresponding visual output on the display panel 4122 according to the type of touch event. The touch panel 4142 and the display panel 4122 may be two independent components or may be integrated into one component.
The interface unit 416 is an interface to which an external device is connected to the electronic apparatus 400. For example, the external devices may include a wired or wireless headset port, an external power (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 416 may be used to receive input (e.g., data information, power, etc.) from an external device and transmit the received input to one or more elements within the electronic apparatus 400 or may be used to transmit data between the electronic apparatus 400 and an external device.
Memory 418 may be used to store software programs as well as various data. The memory 418 may mainly include a storage program area that may store an operating system, application programs required for at least one function (such as a sound playing function, an image playing function, etc.), and a storage data area; the storage data area may store data (such as audio data, phonebooks, etc.) created according to the use of the mobile terminal, etc. In addition, memory 418 may include high-speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid-state storage device.
The processor 420 performs various functions of the electronic device 400 and processes data by running or executing software programs and/or modules stored in the memory 418 and invoking data stored in the memory 418, thereby overall monitoring the electronic device 400. Processor 420 may include one or more processing units; preferably, the processor 420 may integrate an application processor that primarily handles operating systems, user interfaces, applications, etc., with a modem processor that primarily handles wireless communications.
The embodiment of the application also provides a readable storage medium, and the readable storage medium stores a program or an instruction, which when executed by a processor, implements each process of the above projection control method embodiment, and can achieve the same technical effects, so that repetition is avoided, and no further description is provided here.
The processor is a processor in the electronic device in the above embodiment. Readable storage media include computer readable storage media such as Read-Only Memory (ROM), random access Memory (Random Access Memory, RAM), magnetic or optical disks, and the like.
The embodiment of the application also provides a chip, which comprises a processor and a communication interface, wherein the communication interface is coupled with the processor, and the processor is used for running programs or instructions to realize the processes of the embodiment of the projection control method and achieve the same technical effects, so that repetition is avoided and redundant description is omitted.
It should be understood that the chips referred to in the embodiments of the present application may also be referred to as system-on-chip chips, chip systems, or system-on-chip chips, etc.
The embodiment of the application also provides a wearable device, as shown in fig. 5, which comprises: an apparatus body 502; at least one projection device 504 disposed on the apparatus body 502; the sensing device 506 is disposed on the device body 502, and the sensing device 506 is configured to sense a wearing surface of the limb 600 of the wearer to generate a sensing signal; the processing device 508 is disposed on the device body 502, the processing device 508 determines a contact size between the sensing device 506 and a wearing surface of the limb 600 of the wearer according to the sensing signal, determines a projection frame size according to the contact size, and controls the projection device 504 of the wearable device to project to the wearing surface of the limb 600 of the wearer according to the projection frame size.
In this embodiment, when the wearable device is worn on the limb 600 of the wearer, the sensing means 506 senses the wearing surface of the limb 600 of the wearer to generate a sensing signal, and the processing means 508 determines the contact size of the sensing means 506 with the wearing surface of the limb 600 of the wearer according to the sensing signal. Further, the processing device 508 obtains the projection picture size according to the contact size, so as to control the projection picture size of the projection device 504 of the wearable apparatus, so that the projection picture size of the projection device 504 is more suitable for the wearing surface of the limb 600 of the wearer, the flexibility of controlling the projection picture is improved, the projection effect on the limb of the wearer is improved, and the user operation and use are facilitated.
As shown in fig. 6, the device body 502 includes a flexible printed circuit board (Printed Circuit Board, PCB) 5022 and an outer layer 5024.
As shown in fig. 7, the wearable device further includes a power management device 510, a charging device 512, a wireless transceiver 514, a frame adjustment motor 516, and other modules, so as to implement functions of power management, charging, signal transceiver, and adjusting the frame of the projector 504.
In one embodiment of the present application, the number of at least one projection device 504 is plural, and the plural projection devices 504 are disposed along the circumferential direction of the apparatus body 502.
In this embodiment, a plurality of projection devices 504 are provided along the circumferential direction of the apparatus body 502, and when the contact position of the sensing device 506 with the wearing surface of the limb 600 of the wearer is determined, the target projection device 504 corresponding to the contact position is controlled to project. For example, when the back of the hand of the wearer faces upward, the wearable device is more contacted with the back of the hand, so that it can be determined that the back of the hand of the wearer faces upward according to the coordinates of the sensing piece 5062 sensing the arm of the wearer, that is, the sensing device 506 is contacted with the back of the hand of the wearer, so as to control the projection device 504 near the back of the hand to work; when the palm of the wearer faces upwards, the wearable device contacts more with the palm side, so that the palm of the wearer can be determined to face upwards according to the coordinates of the sensing piece 5062 sensing the arm of the wearer, namely, the sensing device 506 contacts with the palm side of the wearer, and the projection device 504 close to the palm side can be controlled to work.
By the above manner, the projection picture size of the projection device 504 is more suitable for the wearing surface of the limb 600 of the wearer, and meanwhile, the function of automatically determining the target projection device according to the contact position between the sensing device 506 and the wearing surface of the limb 600 of the wearer is also realized, the wearable equipment is not required to be rotated by the wearer, the projection is more suitable for the wearing surface of the wearer, and the convenience of micro projection use is greatly improved.
In one embodiment of the present application, the sensing device 506 includes a plurality of sensing elements 5062, and the plurality of sensing elements 5062 are disposed along a circumferential direction of the apparatus body 502.
In this embodiment, the sensing device 506 includes a plurality of sensing elements 5062, the plurality of sensing elements 5062 are disposed along a circumferential direction of the device body 502 of the wearable device, a fixed distance is disposed between two adjacent sensing elements 5062, the fixed distance may be equal to or different from a fixed distance disposed between two other adjacent sensing elements 5062, each sensing element 5062 is provided with coordinates, and the sensing elements 5062 may be distinguished by the coordinates.
The sensing element 5062 may be an electrode pair, a hall sensor and magnet, a temperature sensor, or the like. When the sensing piece 5062 is a hall sensor and a magnet, the sensing device 506 includes a hall sensor and a magnet, the hall sensor and the magnet are disposed along a circumference of the device body 502 of the wearable device, and the hall sensor is spaced from the magnet by a certain distance. The Hall sensor can sense the corresponding magnet to generate a sensing signal, and the closer the Hall sensor is to the magnet, the stronger the sensing signal is, and the farther the Hall sensor is to the magnet, the weaker the sensing signal is. In the embodiment of the present application, after the wearable device is worn by the wearer, the distance between the hall sensor and the magnet is determined according to the intensity of the sensing signal generated by the hall sensor, so as to determine the contact size or the contact position of the limb 600 of the wearer.
When the sensing piece 5062 is a temperature sensor, the temperature sensor is disposed along the circumference of the device body 502 of the wearable device, and the temperature sensor in contact with the limb of the wearer is determined according to whether or not a temperature signal is generated, thereby determining the contact size or contact position of the limb 600 of the wearer.
As shown in fig. 6, when the sensing element 5062 is an electrode pair, the sensing element 5062 includes a positive electrode 50622 and a negative electrode 50624.
As shown in fig. 8, the projection control method according to the embodiment of the present application includes:
step 802, starting the wearable device, and enabling the skin of an arm to contact with a touch lattice embedded in the wearable device;
step 804, the positive electrode and the negative electrode are conducted because of skin contact, and an internal analog-digital converter (Analog to Digital Converter, ADC) of the touch lattice detects current change and sends an interrupt alarm signal to the processing device to prompt skin contact;
step 806, the processing device receives the interrupt signal, confirms coordinates of each conductive electrode pair, and calculates an arm width w= [ Max (Xn) -Min (Xn) ]×d of the wearer, max (Xn) represents a maximum coordinate of the conductive electrode pair contacting the arm of the wearer, and Min (Xn) represents a minimum coordinate of the conductive electrode pair contacting the arm of the wearer;
Step 808, adjusting the projection picture of the projection device according to the arm width;
step 810, the processing device clears the interrupt;
step 812, determining whether the wearable device is adjusted, if so, returning to step 804, otherwise, entering step 814;
step 814, the current projected frame is maintained.
In the embodiment of the present application, a touch lattice (i.e., sensing device 506) is integrated on the device body 502, and the touch lattice is formed by a plurality of pairs of electrodes. When the wearable device is worn by a wearer, the flatter part of the upper surface of the arm is in contact with the wearable device, and at the moment, the positive electrode and the negative electrode of the touch lattice are conducted due to contact of the skin. At this time, the touch-control dot matrix sends an interrupt signal to the processing device 508 to remind the processing device 508 of skin contact. The processing device 508 receives the interrupt, then actively polls and determines all the electrode pairs in contact, and confirms the conducting electrode furthest at the left end and the right end according to the coordinates of each electrode pair, so that the width of the arm of the wearer can be calculated, and further the picture adjusting motor 516 is driven, and the projected picture is automatically adjusted according to the maximum flat width of the upper surface of the arm of the person. When the wearer adjusts the arm position, the touch dot matrix will also interrupt the processing device 508 because the touch point of the touch dot matrix changes, so the processing device 508 will also poll the coordinates of the electrode pair contacting the skin in the same way, and control the frame adjusting motor 516 to adjust the projected frame according to the arm width of the new wearer, so as to realize the function of automatically adjusting the frame.
According to the embodiment of the application, the touch lattice is embedded in the wearable equipment, and the width of the arm is judged by detecting the left and right maximum distance between the arm and the contact point of the touch lattice, so that the drawing of the projection device 504 is automatically adjusted. When the wearing position of the wearable device changes due to arm shaking or different people wear the wearable device, the projection picture can be automatically adjusted, and the convenience of miniature projection use is greatly improved.
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 one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.
From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (e.g. ROM/RAM, magnetic disk, optical disk) comprising instructions for causing a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to perform the method according to the embodiments of the present application.
The embodiments of the present application have been described above with reference to the accompanying drawings, but the present application is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present application and the scope of the claims, which are to be protected by the present application.
Claims (9)
1. A projection control method, characterized by comprising:
receiving an induction signal of an induction device of a wearable device, wherein the induction signal is generated by the induction device through induction of a limb wearing surface of a wearer;
determining the contact size between the sensing device and the limb wearing surface of the wearer according to the sensing signal;
determining a projection picture size according to the contact size, and controlling a projection device of the wearable equipment to project according to the projection picture size;
the step of determining the contact size between the sensing device and the limb wearing surface of the wearer according to the sensing signal comprises the following steps:
determining the number of sensing pieces in the sensing device, which are contacted with the limb wearing surface of the wearer, according to the sensing signals;
and calculating the contact size of the sensing device and the limb wearing surface of the wearer according to the number of the sensing pieces and the distance between two adjacent sensing pieces, wherein the contact size of the sensing device and the limb wearing surface of the wearer is the width of the limb wearing surface of the wearer.
2. A projection control method, characterized by comprising:
receiving an induction signal of an induction device of a wearable device, wherein the induction signal is generated by the induction device through induction of a limb wearing surface of a wearer;
Determining the contact size between the sensing device and the limb wearing surface of the wearer according to the sensing signal;
determining a projection picture size according to the contact size, and controlling a projection device of the wearable equipment to project according to the projection picture size;
the method for determining the contact size of the sensing device and the limb wearing surface of the wearer according to the sensing signal comprises the following steps:
according to the sensing signals, determining coordinates of sensing pieces in the sensing device, wherein the sensing pieces are in contact with the limb wearing surface of the wearer;
and calculating the contact size of the sensing device and the limb wearing surface of the wearer according to the coordinates and the distance between the two adjacent sensing pieces, wherein the contact size of the sensing device and the limb wearing surface of the wearer is the width of the limb wearing surface of the wearer.
3. The projection control method according to claim 2, wherein the controlling the projection of the projection device of the wearable apparatus according to the projection frame size includes:
determining the contact position of the sensing device and the limb wearing surface of the wearer according to the coordinates of the sensing piece contacted with the limb wearing surface of the wearer;
Determining a target projection device corresponding to the contact position;
controlling the projection of the target projection device according to the projection picture size;
wherein the projection device comprises a plurality of projection devices, and the target projection device is one of the plurality of projection devices.
4. A projection control apparatus, comprising:
a receiving unit for receiving an induction signal of an induction device of the wearable apparatus, the induction signal being generated by the induction device by inducing a limb wearing surface of a wearer;
the information determining unit is used for determining the contact size between the sensing device and the limb wearing surface of the wearer according to the sensing signal;
the control unit is used for determining the projection picture size according to the contact size and controlling the projection device of the wearable equipment to project according to the projection picture size;
the step of determining the contact size between the sensing device and the limb wearing surface of the wearer according to the sensing signal comprises the following steps:
determining the number of sensing pieces in the sensing device, which are contacted with the limb wearing surface of the wearer, according to the sensing signals;
and calculating the contact size of the sensing device and the limb wearing surface of the wearer according to the number of the sensing pieces and the distance between two adjacent sensing pieces, wherein the contact size of the sensing device and the limb wearing surface of the wearer is the width of the limb wearing surface of the wearer.
5. An electronic device comprising a processor, a memory, and a program or instruction stored on the memory and executable on the processor, which when executed by the processor, implements the projection control method of any one of claims 1 to 3.
6. A computer-readable storage medium having stored thereon a program or instructions, which when executed by a processor, implements the projection control method according to any one of claims 1 to 3.
7. A wearable device, comprising:
an equipment body;
at least one projection device arranged on the equipment body;
the sensing device is arranged on the equipment body and is used for sensing the limb wearing surface of a wearer so as to generate sensing signals;
the processing device is arranged on the equipment body, determines the contact size of the sensing device and the limb wearing surface of the wearer according to the sensing signal, determines the projection picture size according to the contact size, and controls the projection device to project according to the projection picture size;
the step of determining the contact size between the sensing device and the limb wearing surface of the wearer according to the sensing signal comprises the following steps:
Determining the number of sensing pieces in the sensing device, which are contacted with the limb wearing surface of the wearer, according to the sensing signals;
and calculating the contact size of the sensing device and the limb wearing surface of the wearer according to the number of the sensing pieces and the distance between two adjacent sensing pieces, wherein the contact size of the sensing device and the limb wearing surface of the wearer is the width of the limb wearing surface of the wearer.
8. The wearable device according to claim 7, wherein,
the sensing device comprises a plurality of sensing pieces, and the sensing pieces are arranged along the circumferential direction of the equipment body.
9. The wearable device according to claim 7 or 8, characterized in that,
the number of the at least one projection device is a plurality of projection devices, and the plurality of projection devices are arranged along the circumferential direction of the equipment body.
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