CN110297550B - Label display method and device, screen throwing equipment, terminal and storage medium - Google Patents
Label display method and device, screen throwing equipment, terminal and storage medium Download PDFInfo
- Publication number
- CN110297550B CN110297550B CN201910576399.0A CN201910576399A CN110297550B CN 110297550 B CN110297550 B CN 110297550B CN 201910576399 A CN201910576399 A CN 201910576399A CN 110297550 B CN110297550 B CN 110297550B
- Authority
- CN
- China
- Prior art keywords
- screen
- mobile terminal
- laser pointer
- throwing
- request
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
Abstract
The embodiment of the invention discloses a label display method, a device, a screen throwing device, a terminal and a storage medium, wherein the method applied to the screen throwing device comprises the following steps: responding to a laser pointer request from the mobile terminal, and displaying a laser pointer at a preset initial position of a screen throwing screen; acquiring pose information of the mobile terminal in real time, and determining a target position of a laser pointer on a screen according to a position conversion relation between the pose information and the screen; on the screen, the laser pointer is moved from the initial position to the target position. According to the embodiment of the invention, the mobile terminal is connected with the screen throwing device, and the mobile terminal is used as a remote controller for marking in the screen throwing process, so that the operation is simple and convenient, the cost is low, and the marked content can be synchronously displayed when the screen is thrown in different places.
Description
Technical Field
The embodiment of the invention relates to the technical field of Internet, in particular to a label display method, a label display device, a screen throwing device, a terminal and a storage medium.
Background
With the rapid development of the internet of things technology, equipment is combined more and more tightly, traditional screen throwing needs to be connected through lines in the forms of VGA, DVI or HDMI, and a laser pen is connected with a computer to turn pages and demonstrate key points. The screen of the computer or the mobile phone can be directly and wirelessly projected onto a large screen through the screen projection box, so that the trouble of carrying accessories such as an adapter and the like is eliminated.
However, during the conference screen presentation, the presenter needs to indicate emphasis, live identification, and painting of some important contents to the audience according to the presentation contents. Although some slide playing software can provide functions such as a laser pointer and a painting brush for a presenter, the presenter needs to sit in front of a computer screen, the operation of using a mouse is complicated, and for other playing software not providing the functions, the presentation content cannot be marked in the screen throwing process. In addition, when the screen is thrown in a multi-place multi-screen conference, the screen is thrown in different places, and the field identification made by a lecturer locally cannot be displayed, so that the working efficiency is affected.
Disclosure of Invention
The embodiment of the invention provides a method, a device, a screen throwing device, a terminal and a storage medium for marking, wherein the mobile terminal is used as a remote controller to be connected with the screen throwing device, and marking is carried out in the screen throwing process.
In a first aspect, an embodiment of the present invention provides a label display method applied to a screen-throwing device, where the screen-throwing device is connected to a computer end and a screen-throwing screen, and is used for performing screen-throwing display on a target file of the computer end on the screen-throwing screen, where the method includes:
responding to a laser pointer request from the mobile terminal, and displaying a laser pointer at a preset initial position of the screen throwing screen;
acquiring pose information of the mobile terminal in real time, and determining a target position of a laser pointer on the screen according to a position conversion relation between the pose information and the screen;
and moving the laser pointer from the initial position to the target position on the screen.
In a second aspect, an embodiment of the present invention provides a method for displaying a label applied to a mobile terminal, where the method includes:
sending a laser pointer request to a screen throwing device to indicate the screen throwing device to display a laser pointer at a preset initial position of a screen throwing screen, wherein the screen throwing device is respectively connected with a computer end and the screen throwing screen and is used for carrying out screen throwing display on a target file of the computer end on the screen throwing screen;
And acquiring pose information of the mobile terminal in real time and sending the pose information to the screen throwing equipment, so that the screen throwing equipment determines a target position of a laser pointer on the screen throwing screen according to the position conversion relation between the pose information and the screen throwing screen, and moves the laser pointer from the initial position to the target position on the screen throwing screen.
In a third aspect, an embodiment of the present invention further provides an annotation display device configured in a screen-throwing device, where the screen-throwing device is connected to a computer end and a screen-throwing screen, and is configured to perform screen-throwing display on the screen-throwing screen on a target file of the computer end, where the device includes:
the laser pointer display module is used for responding to a laser pointer request from the mobile terminal and displaying a laser pointer at a preset initial position of the screen throwing screen;
the target position determining module is used for acquiring pose information of the mobile terminal in real time and determining a target position of a laser pointer on the screen according to a position conversion relation between the pose information and the screen;
and the moving module is used for moving the laser pointer from the initial position to the target position on the screen projection screen.
In a fourth aspect, an embodiment of the present invention further provides an annotation display device configured in a mobile terminal, where the device includes:
the system comprises a request sending module, a screen throwing device and a screen throwing module, wherein the request sending module is used for sending a laser pointer request to the screen throwing device so as to instruct the screen throwing device to display a laser pointer at a preset initial position of a screen throwing screen, the screen throwing device is respectively connected with a computer end and the screen throwing screen, and the request sending module is used for carrying out screen throwing display on a target file of the computer end on the screen throwing screen;
the pose acquisition and transmission module is used for acquiring pose information of the mobile terminal in real time and transmitting the pose information to the screen projection equipment, so that the screen projection equipment determines a target position of a laser pointer on the screen projection screen according to the position conversion relation between the pose information and the screen projection screen, and moves the laser pointer from the initial position to the target position on the screen projection screen.
In a fifth aspect, an embodiment of the present invention further provides a screen projection device, including:
one or more processors;
storage means for storing one or more programs,
when the one or more programs are executed by the one or more processors, the one or more processors implement the annotation display method applied to the screen-throwing device according to any embodiment of the present invention.
In a sixth aspect, an embodiment of the present invention further provides a mobile terminal, including:
one or more processors;
storage means for storing one or more programs,
when the one or more programs are executed by the one or more processors, the one or more processors implement the annotation display method applied to the mobile terminal according to any embodiment of the present invention.
In a seventh aspect, an embodiment of the present invention further provides a computer readable storage medium, where a computer program is stored, where the program when executed by a processor implements a label display method applied to a screen-throwing device according to any embodiment of the present invention.
In an eighth aspect, an embodiment of the present invention further provides a computer readable storage medium, where a computer program is stored, where the program when executed by a processor implements a label display method applied to a mobile terminal according to any embodiment of the present invention.
According to the embodiment of the invention, after the screen throwing equipment is connected with the computer end and the screen throwing screen, and the target file of the computer end is subjected to screen throwing display on the screen throwing screen, the mobile terminal is connected with the screen throwing equipment, the screen throwing equipment displays the laser pointer and the moving position thereof on the screen throwing screen according to the pose information of the mobile terminal, the purpose of marking the file displayed by the screen throwing equipment by taking the mobile terminal as a remote controller is realized, the operation is simple and convenient, the cost is low, the feedback is more friendly, the user is prevented from marking by mouse operation before sitting on the computer, and better user experience is brought to wireless screen throwing. Meanwhile, because the labeling information is determined by the screen throwing equipment according to the pose information of the mobile terminal, the labeling information can be synchronized among the screen throwing equipment in different places, so that the labeling information can be displayed when the screen is thrown in different places, and the working efficiency is improved.
Drawings
FIG. 1a is a flowchart of a method for displaying labels applied to a projection device according to a first embodiment of the present invention;
FIG. 1b is a diagram illustrating an interface of a mobile terminal according to a first embodiment of the present invention;
FIG. 2a is a flowchart of a label display method applied to a screen-throwing device in a second embodiment of the present invention;
fig. 2b is a schematic diagram of a mobile terminal interface in a second embodiment of the present invention;
FIG. 2c is a diagram illustrating an interface of another mobile terminal according to a second embodiment of the present invention;
fig. 3 is a flowchart of a label display method applied to a mobile terminal in a third embodiment of the present invention;
FIG. 4 is a schematic diagram of a labeling display device according to a fourth embodiment of the invention;
FIG. 5 is a schematic diagram of a labeling display device according to a fifth embodiment of the invention;
fig. 6 is a schematic structural diagram of a screen projection device in a sixth embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.
Example 1
Fig. 1a is a flowchart of a labeling display method applied to a screen-throwing device according to an embodiment of the present invention, where the present embodiment is applicable to any case where labeling is required for a screen-throwing content, and the method may be performed by a labeling display apparatus, and the apparatus may be implemented in a software and/or hardware manner and may be integrated on the screen-throwing device.
In the embodiment of the invention, firstly, screen throwing equipment is respectively connected with a computer end and a screen throwing screen, and target files of the computer end are displayed on the screen throwing screen. Furthermore, to identify the screen content through the mobile terminal, connection between the screen throwing device and the mobile terminal needs to be established. The screen throwing device can respond to a remote control connection request from the mobile terminal to establish connection with the mobile terminal, wherein the remote control connection request is sent to the screen throwing device through the computer terminal after the mobile terminal is authenticated through the computer terminal. As an authentication implementation mode, the computer end can generate an authentication two-dimension code after successful screen projection, and the mobile terminal can finish authentication only by scanning the two-dimension code displayed on the computer end.
As shown in fig. 1a, in an embodiment of the present invention, a method for displaying an annotation applied to a screen-throwing device may include:
and S101, responding to a laser pointer request from the mobile terminal, and displaying a laser pointer at a preset initial position of the screen projection screen.
In this embodiment, the laser pointer request may be triggered by performing a first preset operation on a laser pointer button displayed on the interface of the mobile terminal, where the first preset operation includes at least clicking or long pressing. As shown in fig. 1b, a laser pointer button 1 is arranged at the bottom of the mobile terminal interface, and a laser pointer request can be triggered by clicking or long-pressing the laser pointer button 1 and sent to the screen throwing device. The screen throwing device responds to the laser pointer request, and displays the laser pointer at a preset initial position of the screen throwing screen, wherein the preset initial position can be the center of the screen throwing screen or other set positions, the specific limitation is not provided herein, and the laser pointer displayed on the screen can be an arrow symbol or a solid dot, and the like, and the color of the laser pointer can be configured.
Further, in order to remind the user that the laser pointer is started, the mobile terminal can feed back in a vibration mode.
S102, acquiring pose information of the mobile terminal in real time, and determining a target position of a laser pointer on the screen according to a position conversion relation between the pose information and the screen.
In the embodiment of the invention, the pose information of the mobile terminal, which is acquired in real time by an acceleration sensor, a gravity sensor, a gyroscope, a magnetic field sensor and the like of the mobile terminal, is uploaded to the screen throwing equipment in real time. And the screen throwing equipment determines the target position of the laser pointer on the screen throwing screen according to the pose change information of the mobile terminal. By calculating the displacement and the moving direction of the gesture of the mobile terminal at the front moment and the rear moment, the displacement and the moving direction of the laser pointer to be moved can be determined by correspondingly displaying the gesture and the moving direction on the screen in proportion, and then the target position of the laser pointer is determined.
S103, moving the laser pointer from the initial position to the target position on the screen projection screen.
And moving the laser pointer from the initial position to the target position to realize the indication of the target content. It should be noted that in the embodiment of the invention, after the connection between the mobile terminal and the screen throwing device is established, the screen throwing device is directly controlled by the mobile terminal, and the screen throwing device determines the position where the laser pointer is to be displayed or appears according to the pose information of the mobile terminal, so that the marking display information of the laser pointer can be synchronized among a plurality of screen throwing devices in different places, and the marking information can be synchronously displayed in the process of the screen throwing conference in different places, which is more friendly to the conference in multiple places, and further improves the working efficiency.
In the embodiment of the invention, after the screen throwing equipment is connected with the computer end and the screen throwing screen, and the target file of the computer end is subjected to screen throwing display on the screen throwing screen, the mobile terminal is connected with the screen throwing equipment, and the screen throwing equipment displays the laser pointer and the moving position thereof on the screen throwing screen according to the pose information of the mobile terminal, so that the purpose of marking the file displayed by the screen throwing equipment by taking the mobile terminal as a remote controller is realized, the operation is simple and convenient, the cost is low, the feedback is more friendly, the user is prevented from marking by mouse operation before sitting on the computer, and better user experience is brought to wireless screen throwing. Meanwhile, because the labeling information is determined by the screen throwing equipment according to the pose information of the mobile terminal, the labeling information can be synchronized among the screen throwing equipment in different places, so that the labeling information can be displayed when the screen is thrown in different places, and the working efficiency is improved.
Example two
Fig. 2a is a flowchart of a label display method applied to a screen-projection device according to a second embodiment of the present invention, where the second embodiment is further optimized based on the first embodiment. As shown in fig. 2a, the method comprises:
and S201, responding to a painting request from the mobile terminal, determining the current position of the laser pointer, and creating a painting canvas above the canvas displayed on the current screen.
In an embodiment of the present invention, the brush request may be triggered by performing a second preset operation on the laser pointer button, where the second preset operation at least includes: and pressing the laser pointer button and moving to a painting brush starting area on the interface of the mobile terminal. Exemplary, as shown in fig. 2b, an interface schematic of a mobile terminal including a laser pointer button 1 and a brush initiation area 2 is shown, wherein an initial position of the laser pointer button 1 on the mobile terminal interface and a position of the brush initiation area 2 are vertically arranged on the mobile terminal interface. Clicking the laser pointer button 1 starts the laser pointer, and sliding the laser pointer button 1 up to the brush starting area 2 generates a brush request and sends the brush request to the screen throwing device. Therefore, the laser pointer and the painting pen can be switched seamlessly at any time through gestures, convenience and rapidness are realized, and blind operation can be realized for a user. Further, in order to remind the user that the related functions are started, the laser pointer or the brush function of the user can be fed back in the form of vibration of the mobile terminal.
The screen throwing device responds to a painting request from the mobile terminal, determines the current position of the laser pointer, and creates a painting canvas on the painting canvas displayed on the current screen, wherein the painting canvas is used for bearing painting tracks, so that whether the screen throwing screen displays content or not can be guaranteed, and the painting function can be realized.
S202, acquiring pose information of the mobile terminal in real time, and determining a moving track of the mobile terminal according to the pose information.
The screen throwing equipment acquires pose data transmitted by the mobile terminal sensor in real time, and draws a moving track of the mobile terminal according to the pose of the mobile terminal at each moment.
S203, converting the moving track of the mobile terminal into a brush track on the screen according to the position conversion relation between the pose information and the screen.
For example, the movement track of the mobile terminal may be proportionally presented on the screen.
S204, generating the painting brush track on the painting brush canvas by taking the current position of the laser pointer as a starting point, and displaying the painting brush canvas and the canvas displayed on the current screen in a superposition manner on the screen throwing screen.
And the painting brush canvas and the canvas displayed on the current screen are displayed on the screen, namely the painting brush track is displayed on the screen, and the purpose of marking the display content is achieved.
Further, hiding the painting canvas in response to a closing painting request from the mobile terminal, wherein the closing painting request is triggered by performing a third preset operation on the laser pointer button, and the third preset operation at least comprises: and loosening the laser pointer button positioned in the painting brush starting area, or moving the laser pointer button positioned in the painting brush starting area to the initial position of the laser pointer button on the interface of the mobile terminal. The switching between the two functions of the laser pointer and the painting brush can be realized through the sliding of the laser pointer button, so that the blind operation can be realized simply and quickly for a user.
Further, as shown in fig. 2c, the mobile terminal interface further includes a cancel button 3, a clear screen button 4, a configuration button 5, and a page turning control area 6. The corresponding instruction can be triggered by performing preset operation, such as click operation, on each button so as to control the screen projection device to execute corresponding functions.
Illustratively, the screen throwing device deletes the brush track part generated at the last moment on the brush canvas in response to a brush withdrawal request from the mobile terminal, wherein the brush withdrawal request can be triggered by clicking a withdrawal button 3 on the interface of the mobile terminal.
The screen throwing device responds to a screen cleaning request of a painting brush from the mobile terminal, and deletes all painting brush tracks on the painting brush canvas, wherein the screen cleaning request of the painting brush can be triggered by clicking a screen cleaning button 4 on an interface of the mobile terminal.
The screen throwing equipment responds to a painting brush attribute configuration request from the mobile terminal, and painting brush attribute configuration information is obtained through the mobile terminal;
generating a brush track on the brush canvas according to the brush attribute configuration information;
the request for configuring the brush attribute may be triggered by clicking a configuration button 5 on the interface of the mobile terminal, and the configuration information of the brush attribute includes at least a color of the brush and a thickness of the brush.
The screen throwing device responds to a page turning instruction, and controls the screen display content to turn pages, wherein the page turning instruction is triggered by sliding or clicking the control area 6 leftwards and rightwards.
According to the embodiment of the invention, after the painting brush function is started in a mode that the mobile terminal slides upwards through the laser pointer button, the screen throwing equipment acquires the pose information of the mobile terminal in real time, and the painting brush handwriting is generated on the screen throwing screen based on the pose information, so that painting brush type annotation on key contents displayed on the screen throwing screen can be simply and conveniently finished, and corresponding additional configuration functions are executed in response to triggering of different function buttons of a terminal interface by a user, so that the operation is more convenient, and the user experience is better.
Example III
Fig. 3 is a flowchart of a label display method applied to a mobile terminal in a third embodiment of the present invention. As shown in fig. 3, the label display method includes:
s301, sending a laser pointer request to a screen throwing device to indicate the screen throwing device to display a laser pointer at a preset initial position of a screen throwing screen.
The screen throwing equipment is respectively connected with the computer end and the screen throwing screen and is used for carrying out screen throwing display on the screen throwing screen on the target file of the computer end.
S302, acquiring pose information of the mobile terminal in real time and sending the pose information to the screen throwing equipment, so that the screen throwing equipment determines a target position of a laser pointer on the screen throwing screen according to a position conversion relation between the pose information and the screen throwing screen, and moves the laser pointer from the initial position to the target position on the screen throwing screen.
For specific implementation procedures, reference may be made to the above embodiments, and details are not repeated here.
Further, the annotation display method applied to the mobile terminal further comprises the following steps:
transmitting a remote control connection request to the screen throwing device to instruct the screen throwing device to establish connection with the mobile terminal;
the remote control connection request is sent to the screen throwing device through the computer terminal after the mobile terminal is authenticated through the computer terminal.
Further, the annotation display method further includes:
and sending a painting brush request to the screen throwing device so as to instruct the screen throwing device to generate and display a painting brush track on the screen throwing screen based on the moving track of the mobile terminal.
Specifically, the screen throwing device can realize the painting brush function according to the following operation: responding to a painting request from the mobile terminal, determining the current position of the laser pointer, and creating a painting canvas above the canvas displayed on the current screen; acquiring pose information of the mobile terminal in real time, and determining a moving track of the mobile terminal according to the pose information; converting the moving track of the mobile terminal into a drawing pen track on the screen according to the position conversion relation between the pose information and the screen; and generating the painting brush track on the painting brush canvas by taking the current position of the laser pointer as a starting point, and displaying the painting brush canvas and the canvas displayed on the current screen in a superposition manner on the screen throwing screen.
Further, the laser pointer request is triggered by performing a first preset operation on a laser pointer button displayed on the interface of the mobile terminal; the first preset operation at least comprises clicking or long pressing.
Further, the brush request is triggered by a second preset operation on the laser pointer button, where the second preset operation at least includes: and pressing the laser pointer button and moving to a painting brush starting area on the interface of the mobile terminal.
Further, the annotation display method further includes:
sending a painting brush closing request to the screen throwing equipment so as to instruct the screen throwing equipment to close a painting brush function;
the closing of the painting brush request is triggered by a third preset operation of the laser pointer button, and the third preset operation at least comprises: and loosening the laser pointer button positioned in the painting brush starting area, or moving the laser pointer button positioned in the painting brush starting area to an initial position of the laser pointer button on the interface of the mobile terminal.
Further, the annotation display method further includes:
sending a painting brush withdrawal request to the screen throwing device to instruct the screen throwing device to withdraw the painting brush track generated at the last moment; and/or
Sending a painting brush screen cleaning request to the screen throwing equipment so as to instruct the screen throwing equipment to delete all current painting brush tracks; and/or
Sending a painting brush attribute configuration request to the screen throwing equipment so as to instruct the screen throwing equipment to generate a painting brush track according to the painting brush attribute configuration information;
the drawing attribute configuration information at least comprises drawing color and drawing thickness.
Further, the initial position of the laser pointer button on the mobile terminal interface and the position of the brush starting area are vertically distributed on the mobile terminal interface.
Further, the annotation display method further includes:
feedback is provided in the form of vibration of the mobile terminal based on the operation of the laser pointer button with respect to turning on or off the brush function.
In the embodiment of the invention, after the screen throwing equipment is connected with the computer end and the screen throwing screen, and the target file of the computer end is subjected to screen throwing display on the screen throwing screen, the mobile terminal is connected with the screen throwing equipment, and the screen throwing equipment displays the laser pointer and the moving position thereof on the screen throwing screen according to the pose information of the mobile terminal, so that the purpose of marking the file displayed by the screen throwing equipment by taking the mobile terminal as a remote controller is realized, the operation is simple and convenient, the cost is low, the feedback is more friendly, the user is prevented from marking by mouse operation before sitting on the computer, and better user experience is brought to wireless screen throwing. Meanwhile, because the labeling information is determined by the screen throwing equipment according to the pose information of the mobile terminal, the labeling information can be synchronized among the screen throwing equipment in different places, so that the labeling information can be displayed when the screen is thrown in different places, and the working efficiency is improved.
Example IV
Fig. 4 is a schematic structural diagram of a labeling display device according to a fourth embodiment of the present invention. The device is configured in a screen throwing device, and the screen throwing device is respectively connected with a computer end and a screen throwing screen and is used for carrying out screen throwing display on the screen throwing screen on a target file of the computer end. As shown in fig. 4, the apparatus includes:
the laser pointer display module 401 is configured to respond to a laser pointer request from the mobile terminal, and display a laser pointer at a preset initial position of the screen;
the target position determining module 402 is configured to obtain pose information of the mobile terminal in real time, and determine a target position of a laser pointer on the screen according to a position conversion relationship between the pose information and the screen;
and the moving module 403 is configured to move the laser pointer from the initial position to the target position on the screen.
On the basis of the above embodiment, the apparatus further includes:
the connection module is used for responding to a remote control connection request from the mobile terminal and establishing connection with the mobile terminal;
the remote control connection request is sent to the screen throwing device through the computer terminal after the mobile terminal is authenticated through the computer terminal.
On the basis of the above embodiment, the apparatus further includes:
the drawing canvas creation module is used for responding to a drawing request from the mobile terminal, determining the current position of the laser pointer and creating a drawing canvas above the canvas displayed on the current screen;
the mobile track drawing module is used for acquiring pose information of the mobile terminal in real time and determining a mobile track of the mobile terminal according to the pose information;
the conversion module is used for converting the moving track of the mobile terminal into a painting brush track on the screen according to the position conversion relation between the pose information and the screen;
and the superposition module is used for generating the painting brush track on the painting brush canvas by taking the current position of the laser pointer as a starting point, and superposing and displaying the painting brush canvas and the canvas displayed on the current screen on the screen.
On the basis of the embodiment, the laser pointer request is triggered by performing a first preset operation on a laser pointer button displayed on the interface of the mobile terminal; the first preset operation at least comprises clicking or long pressing.
On the basis of the embodiment, the painting brush request is triggered by performing a second preset operation on the laser pointer button; wherein the second preset operation at least comprises: and pressing the laser pointer button and moving to a painting brush starting area on the interface of the mobile terminal.
On the basis of the above embodiment, the apparatus further includes:
the canvas hiding module is used for hiding the painting canvas in response to a painting brush closing request from the mobile terminal;
wherein the closing of the brush request is triggered by a third preset operation performed on the laser pointer button, the third preset operation at least comprising: and loosening the laser pointer button positioned in the painting brush starting area, or moving the laser pointer button positioned in the painting brush starting area to an initial position of the laser pointer button on the interface of the mobile terminal.
On the basis of the above embodiment, the apparatus further includes:
the withdrawal module is used for responding to a drawing withdrawal request from the mobile terminal and deleting a drawing track part generated at the last moment on the drawing canvas;
wherein the brush withdrawal request is triggered by a withdrawal button on the mobile terminal interface.
On the basis of the above embodiment, the apparatus further includes:
the screen cleaning module is used for responding to a screen cleaning request of the painting brush from the mobile terminal and deleting all painting brush tracks on the painting brush canvas;
the drawing pen screen cleaning request is triggered by a screen cleaning button on the interface of the mobile terminal.
On the basis of the above embodiment, the apparatus further includes:
the configuration module is used for responding to a painting brush attribute configuration request from the mobile terminal and acquiring painting brush attribute configuration information through the mobile terminal;
generating a brush track on the brush canvas according to the brush attribute configuration information;
the configuration request of the brush attribute is triggered by a configuration button on the interface of the mobile terminal, and the configuration information of the brush attribute at least comprises the color and the thickness of the brush.
The annotation display device provided by the embodiment of the invention can execute the annotation display method applied to the screen throwing equipment provided by any embodiment of the invention, and has the corresponding functional modules and beneficial effects of the execution method.
Example five
Fig. 5 is a schematic structural diagram of a labeling display device according to a fifth embodiment of the present invention. The device is configured at the mobile terminal. As shown in fig. 5, the apparatus includes:
A request sending module 501, configured to send a laser pointer request to a screen-throwing device, so as to instruct the screen-throwing device to display a laser pointer at a preset initial position of the screen-throwing screen, where the screen-throwing device is respectively connected with a computer end and the screen-throwing screen, and is configured to perform screen-throwing display on the screen-throwing screen by using a target file of the computer end;
the pose collecting and transmitting module 502 is configured to collect pose information of the mobile terminal in real time and send the pose information to the screen capturing device, so that the screen capturing device determines a target position of a laser pointer on the screen capturing screen according to a position conversion relationship between the pose information and the screen capturing screen, and moves the laser pointer from the initial position to the target position on the screen capturing screen.
On the basis of the above embodiment, the apparatus further includes:
the laser pointer request sending module is used for sending a remote control connection request to the screen throwing equipment so as to instruct the screen throwing equipment to establish connection with the mobile terminal;
the remote control connection request is sent to the screen throwing device through the computer terminal after the mobile terminal is authenticated through the computer terminal.
On the basis of the embodiment, the laser pointer request is triggered by performing a first preset operation on a laser pointer button displayed on the interface of the mobile terminal; the first preset operation at least comprises clicking or long pressing.
On the basis of the above embodiment, the apparatus further includes:
the drawing request sending module is used for responding to a second preset operation of the laser pointer button, sending a drawing request to the screen throwing equipment so as to instruct the screen throwing equipment to generate and display a drawing trace on the screen throwing screen based on the moving trace of the mobile terminal;
wherein the second preset operation at least comprises: and pressing the laser pointer button and moving to a painting brush starting area on the interface of the mobile terminal.
On the basis of the above embodiment, the apparatus further includes:
the painting brush closing request sending module is used for responding to a third preset operation of the laser pointer button and sending a painting brush closing request to the screen throwing equipment so as to instruct the screen throwing equipment to close a painting brush function;
wherein the third preset operation at least includes: and loosening the laser pointer button positioned in the painting brush starting area, or moving the laser pointer button positioned in the painting brush starting area to an initial position of the laser pointer button on the interface of the mobile terminal.
On the basis of the above embodiment, the apparatus further includes:
the withdrawal request sending module is used for responding to the triggering operation of a withdrawal button on the interface of the mobile terminal and sending a drawing withdrawal request to the screen throwing equipment so as to instruct the screen throwing equipment to withdraw the drawing track generated at the last moment; and
and the screen cleaning request sending module is used for responding to the triggering operation of the screen cleaning button on the interface of the mobile terminal and sending a painting brush screen cleaning request to the screen throwing equipment so as to instruct the screen throwing equipment to delete all the current painting brush tracks.
On the basis of the above embodiment, the apparatus further includes:
the configuration request sending module is used for responding to the triggering operation of a configuration button on the interface of the mobile terminal, sending a painting brush attribute configuration request carrying painting brush attribute configuration information to the screen throwing equipment so as to instruct the screen throwing equipment to generate a painting brush track according to the painting brush attribute configuration information;
wherein, the configuration information of the painting brush attribute at least comprises painting brush color and painting brush thickness.
On the basis of the embodiment, the initial position of the laser pointer button on the mobile terminal interface and the position of the brush starting area are vertically distributed on the mobile terminal interface.
On the basis of the above embodiment, the apparatus further includes:
and the feedback module is used for feeding back in the form of vibration of the mobile terminal based on the operation of the laser pointer button on opening or closing the brush function.
The annotation display device provided by the embodiment of the invention can execute the annotation display method applied to the mobile terminal provided by any embodiment of the invention, and has the corresponding functional modules and beneficial effects of the execution method.
Example six
Fig. 6 is a schematic structural diagram of a screen projection device according to a sixth embodiment of the present invention. Fig. 6 shows a block diagram of an exemplary screen-casting device 12 suitable for use in implementing embodiments of the present invention. The screen projection device 12 shown in fig. 6 is merely an example and should not be construed as limiting the functionality and scope of use of embodiments of the present invention.
As shown in fig. 6, the screening device 12 is in the form of a general purpose computing device. Components of the screening apparatus 12 may include, but are not limited to: one or more processors or processors 16, a memory 28, a bus 18 connecting the various system components, including the memory 28 and the processor 16.
The screening device 12 typically includes a variety of computer system readable media. Such media may be any available media that is accessible by projection device 12 and includes both volatile and non-volatile media, removable and non-removable media.
A program/utility 40 having a set (at least one) of program modules 42 may be stored in, for example, memory 28, such program modules 42 including, but not limited to, an operating system, one or more application programs, other program modules, and program data, each or some combination of which may include an implementation of a network environment. Program modules 42 generally perform the functions and/or methods of the embodiments described herein.
The projection device 12 may also communicate with one or more external devices 14, with one or more devices that enable a user to interact with the projection device 12, and/or with any device (e.g., network card, modem, etc.) that enables the projection device 12 to communicate with one or more other computing devices. Such communication may occur through an input/output (I/O) interface 22. Also, the screening device 12 may communicate with one or more networks, such as a Local Area Network (LAN), a Wide Area Network (WAN), and/or a public network, such as the Internet, through a network adapter 20. As shown, network adapter 20 communicates with other modules of projection device 12 via bus 18. It should be appreciated that although not shown, other hardware and/or software modules may be used in connection with the projection device 12, including but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, tape drives, data backup storage systems, and the like.
The processor 16 executes programs stored in the memory 28 to perform various functional applications and data processing, for example, to implement a label display method applied to a screen-throwing device, where the screen-throwing device is connected to a computer end and a screen-throwing screen respectively, and is used for performing screen-throwing display on the screen-throwing screen by using a target file of the computer end, and the method includes:
responding to a laser pointer request from the mobile terminal, and displaying a laser pointer at a preset initial position of the screen throwing screen;
acquiring pose information of the mobile terminal in real time, and determining a target position of a laser pointer on the screen according to a position conversion relation between the pose information and the screen;
and moving the laser pointer from the initial position to the target position on the screen.
The embodiment of the invention also provides a mobile terminal, which comprises: one or more processors; the memory is used for storing one or more programs, and when the one or more programs are executed by the one or more processors, the one or more processors are enabled to realize the annotation display method applied to the mobile terminal, provided by the embodiment of the invention, comprising the following steps:
Sending a laser pointer request to a screen throwing device to indicate the screen throwing device to display a laser pointer at a preset initial position of a screen throwing screen, wherein the screen throwing device is respectively connected with a computer end and the screen throwing screen and is used for carrying out screen throwing display on a target file of the computer end on the screen throwing screen;
and acquiring pose information of the mobile terminal in real time and sending the pose information to the screen throwing equipment, so that the screen throwing equipment determines a target position of a laser pointer on the screen throwing screen according to the position conversion relation between the pose information and the screen throwing screen, and moves the laser pointer from the initial position to the target position on the screen throwing screen.
Of course, it will be appreciated by those skilled in the art that the processor may also implement the technical scheme of the annotation display method applied to the mobile terminal provided in any embodiment of the present invention. The hardware structure and function of the mobile terminal can be explained with reference to the content of the sixth embodiment.
Example seven
The embodiment of the invention provides a storage medium containing computer executable instructions, which when being executed by a computer processor, are used for executing a label display method applied to a screen throwing device, wherein the screen throwing device is respectively connected with a computer end and a screen throwing screen and is used for carrying out screen throwing display on a target file of the computer end on the screen throwing screen, and the method comprises the following steps:
Responding to a laser pointer request from the mobile terminal, and displaying a laser pointer at a preset initial position of the screen throwing screen;
acquiring pose information of the mobile terminal in real time, and determining a target position of a laser pointer on the screen according to a position conversion relation between the pose information and the screen;
and moving the laser pointer from the initial position to the target position on the screen.
Of course, the storage medium containing the computer executable instructions provided in the embodiments of the present invention is not limited to the method operations described above, and may also perform the related operations in the annotation display method provided in any embodiment of the present invention.
The computer storage media of embodiments of the invention may take the form of any combination of one or more computer-readable media. The computer readable medium may be a computer readable signal medium or a computer readable storage medium. The computer readable storage medium can be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples (a non-exhaustive list) of the computer-readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
The computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, either in baseband or as part of a carrier wave. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
Computer program code for carrying out operations of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, smalltalk, C ++ and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computer (for example, through the Internet using an Internet service provider).
The embodiment of the invention also provides another computer-readable storage medium, the computer-executable instructions, when executed by a computer processor, are used for executing a label display method applied to a mobile terminal, the method comprising:
sending a laser pointer request to a screen throwing device to indicate the screen throwing device to display a laser pointer at a preset initial position of a screen throwing screen, wherein the screen throwing device is respectively connected with a computer end and the screen throwing screen and is used for carrying out screen throwing display on a target file of the computer end on the screen throwing screen;
and acquiring pose information of the mobile terminal in real time and sending the pose information to the screen throwing equipment, so that the screen throwing equipment determines a target position of a laser pointer on the screen throwing screen according to the position conversion relation between the pose information and the screen throwing screen, and moves the laser pointer from the initial position to the target position on the screen throwing screen.
Of course, the storage medium containing the computer executable instructions provided in the embodiments of the present invention is not limited to the method operations described above, and may also perform the related operations in the label display method applied to the mobile terminal provided in any embodiment of the present invention. The description of the storage medium can be found in the explanation of the contents of the seventh embodiment.
Note that the above is only a preferred embodiment of the present invention and the technical principle applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, while the invention has been described in connection with the above embodiments, the invention is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the invention, which is set forth in the following claims.
Claims (18)
1. The method is characterized by being applied to screen throwing equipment, wherein the screen throwing equipment is respectively connected with a computer end and a screen throwing screen and is used for carrying out screen throwing display on a target file of the computer end on the screen throwing screen, and the method comprises the following steps:
responding to a laser pointer request from the mobile terminal, and displaying a laser pointer at a preset initial position of the screen throwing screen;
acquiring pose information of the mobile terminal in real time, and determining a target position of a laser pointer on the screen according to a position conversion relation between the pose information and the screen; the pose information is the displacement and the moving direction of the pose of the mobile terminal at the front moment and the rear moment;
Moving the laser pointer from the initial position to the target position on the screen projection screen;
responding to a painting request from the mobile terminal, determining the current position of the laser pointer, and creating a painting canvas above the canvas displayed on the current screen;
acquiring pose information of the mobile terminal in real time, and determining a moving track of the mobile terminal according to the pose information;
converting the moving track of the mobile terminal into a drawing pen track on the screen according to the position conversion relation between the pose information and the screen;
and generating the painting brush track on the painting brush canvas by taking the current position of the laser pointer as a starting point, and displaying the painting brush canvas and the canvas displayed on the current screen in a superposition manner on the screen throwing screen.
2. The method of claim 1, wherein prior to said responding to the laser pointer request from the mobile terminal, the method further comprises:
responding to a remote control connection request from a mobile terminal, and establishing connection with the mobile terminal;
the remote control connection request is sent to the screen throwing device through the computer terminal after the mobile terminal is authenticated through the computer terminal.
3. The method of claim 1, wherein the laser pointer request is triggered by a first preset operation of a laser pointer button displayed on the mobile terminal interface; the first preset operation at least comprises clicking or long pressing.
4. The method of claim 3, wherein the brush request is triggered by a second preset operation of the laser pointer button; wherein the second preset operation at least comprises: and pressing the laser pointer button and moving to a painting brush starting area on the interface of the mobile terminal.
5. A method according to claim 3, characterized in that the method further comprises:
hiding the painting canvas in response to a painting request from the mobile terminal;
wherein the closing of the brush request is triggered by a third preset operation performed on the laser pointer button, the third preset operation at least comprising: and loosening the laser pointer button positioned in the painting brush starting area, or moving the laser pointer button positioned in the painting brush starting area to an initial position of the laser pointer button on the interface of the mobile terminal.
6. The method according to claim 1, wherein the method further comprises:
responsive to a brush withdrawal request from the mobile terminal, deleting a brush track portion generated at a previous time on the brush canvas;
wherein the brush withdrawal request is triggered by a withdrawal button on the mobile terminal interface.
7. The method according to claim 1, wherein the method further comprises:
deleting all brush tracks on the brush canvas in response to a brush screen cleaning request from the mobile terminal;
the drawing pen screen cleaning request is triggered by a screen cleaning button on the interface of the mobile terminal.
8. The method according to claim 1, wherein the method further comprises:
responding to a painting brush attribute configuration request from the mobile terminal, and acquiring painting brush attribute configuration information through the mobile terminal;
generating a brush track on the brush canvas according to the brush attribute configuration information;
the configuration request of the brush attribute is triggered by a configuration button on the interface of the mobile terminal, and the configuration information of the brush attribute at least comprises the color and the thickness of the brush.
9. A method for displaying labels, which is applied to a mobile terminal, wherein the method comprises the following steps:
sending a laser pointer request to a screen throwing device to indicate the screen throwing device to display a laser pointer at a preset initial position of a screen throwing screen, wherein the screen throwing device is respectively connected with a computer end and the screen throwing screen and is used for carrying out screen throwing display on a target file of the computer end on the screen throwing screen;
acquiring pose information of the mobile terminal in real time and sending the pose information to the screen projection equipment, so that the screen projection equipment determines a target position of a laser pointer on the screen projection screen according to a position conversion relation between the pose information and the screen projection screen, and moves the laser pointer from the initial position to the target position on the screen projection screen; the pose information is the displacement and the moving direction of the pose of the mobile terminal at the front moment and the rear moment;
and sending a painting brush request to the screen throwing device so as to instruct the screen throwing device to generate and display a painting brush track on the screen throwing screen based on the moving track of the mobile terminal.
10. The method of claim 9, wherein the laser pointer request is triggered by a first preset operation on a laser pointer button displayed on the mobile terminal interface, the first preset operation including at least a click or a long press;
The painting brush request is triggered by a second preset operation on the laser pointer button, and the second preset operation at least comprises: and pressing the laser pointer button and moving to a painting brush starting area on the interface of the mobile terminal.
11. The method according to claim 10, wherein the method further comprises:
sending a painting brush closing request to the screen throwing equipment so as to instruct the screen throwing equipment to close a painting brush function;
the closing of the painting brush request is triggered by a third preset operation of the laser pointer button, and the third preset operation at least comprises: and loosening the laser pointer button positioned in the painting brush starting area, or moving the laser pointer button positioned in the painting brush starting area to an initial position of the laser pointer button on the interface of the mobile terminal.
12. The method according to claim 9, wherein the method further comprises:
sending a painting brush withdrawal request to the screen throwing device to instruct the screen throwing device to withdraw the painting brush track generated at the last moment; and/or
Sending a painting brush screen cleaning request to the screen throwing equipment so as to instruct the screen throwing equipment to delete all current painting brush tracks; and/or
Sending a painting brush attribute configuration request to the screen throwing equipment so as to instruct the screen throwing equipment to generate a painting brush track according to the painting brush attribute configuration information;
the drawing withdrawal request, the drawing screen cleaning request and the drawing attribute configuration request are triggered by a withdrawal button, a screen cleaning button and a configuration button on the interface of the mobile terminal respectively.
13. The utility model provides a mark display device, its characterized in that disposes in throwing screen equipment, throw screen equipment and throw the screen to be connected with the computer end respectively, be used for with the target file of computer end throw the screen and show on throwing the screen, the device includes:
the laser pointer display module is used for responding to a laser pointer request from the mobile terminal and displaying a laser pointer at a preset initial position of the screen throwing screen;
the target position determining module is used for acquiring pose information of the mobile terminal in real time and determining a target position of a laser pointer on the screen according to a position conversion relation between the pose information and the screen; the pose information is the displacement and the moving direction of the pose of the mobile terminal at the front moment and the rear moment;
The moving module is used for moving the laser pointer from the initial position to the target position on the screen projection screen;
the drawing canvas creation module is used for responding to a drawing request from the mobile terminal, determining the current position of the laser pointer and creating a drawing canvas above the canvas displayed on the current screen;
the mobile track drawing module is used for acquiring pose information of the mobile terminal in real time and determining a mobile track of the mobile terminal according to the pose information;
the conversion module is used for converting the moving track of the mobile terminal into a painting brush track on the screen according to the position conversion relation between the pose information and the screen;
and the superposition module is used for generating the painting brush track on the painting brush canvas by taking the current position of the laser pointer as a starting point, and superposing and displaying the painting brush canvas and the canvas displayed on the current screen on the screen.
14. An annotation display device configured in a mobile terminal, wherein the device comprises:
the system comprises a request sending module, a screen throwing device and a screen throwing module, wherein the request sending module is used for sending a laser pointer request to the screen throwing device so as to indicate the screen throwing device to display a laser pointer at a preset initial position of a screen throwing screen, the screen throwing device is respectively connected with a computer end and the screen throwing screen, and the request sending module is used for carrying out screen throwing display on a target file of the computer end on the screen throwing screen;
The pose acquisition and transmission module is used for acquiring pose information of the mobile terminal in real time and transmitting the pose information to the screen projection equipment, so that the screen projection equipment determines a target position of a laser pointer on the screen projection screen according to a position conversion relation between the pose information and the screen projection screen, and moves the laser pointer from the initial position to the target position on the screen projection screen; the pose information is the displacement and the moving direction of the pose of the mobile terminal at the front moment and the rear moment;
and the brush request sending module is used for responding to the second preset operation of the laser pointer button, sending a brush request to the screen throwing equipment so as to instruct the screen throwing equipment to generate and display a brush track on the screen throwing screen based on the moving track of the mobile terminal.
15. A screen projection device, comprising:
one or more processors;
storage means for storing one or more programs,
when executed by the one or more processors, causes the one or more processors to implement the annotation display method as recited in any of claims 1-8.
16. A mobile terminal, comprising:
one or more processors;
storage means for storing one or more programs,
the one or more programs, when executed by the one or more processors, cause the one or more processors to implement the annotation display method of any of claims 9-12.
17. A computer-readable storage medium, on which a computer program is stored, characterized in that the program, when executed by a processor, implements a method for displaying labels according to any one of claims 1-8.
18. A computer-readable storage medium, on which a computer program is stored, characterized in that the program, when executed by a processor, implements a method for displaying labels according to any one of claims 9-12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910576399.0A CN110297550B (en) | 2019-06-28 | 2019-06-28 | Label display method and device, screen throwing equipment, terminal and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910576399.0A CN110297550B (en) | 2019-06-28 | 2019-06-28 | Label display method and device, screen throwing equipment, terminal and storage medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110297550A CN110297550A (en) | 2019-10-01 |
| CN110297550B true CN110297550B (en) | 2023-05-16 |
Family
ID=68029440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910576399.0A Active CN110297550B (en) | 2019-06-28 | 2019-06-28 | Label display method and device, screen throwing equipment, terminal and storage medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110297550B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111144078B (en) * | 2019-12-13 | 2023-09-01 | 平安银行股份有限公司 | Method, device, server and storage medium for determining positions to be marked in PDF (portable document format) file |
| CN111243763B (en) * | 2020-02-03 | 2023-09-22 | 深圳安泰创新科技股份有限公司 | Mark display method, device, equipment and computer storage medium |
| CN111782951B (en) * | 2020-06-30 | 2024-04-02 | 北京百度网讯科技有限公司 | Method and device for determining display page, computer system and medium |
| CN111966276A (en) * | 2020-07-28 | 2020-11-20 | 锐达互动科技股份有限公司 | Method, intelligent pen, equipment and medium for realizing remote annotation |
| US20230139932A1 (en) * | 2020-11-25 | 2023-05-04 | Boe Technology Group Co., Ltd. | Screen Projection Interaction Method, Screen Projection System and Terminal Device |
| CN113342245A (en) * | 2021-06-09 | 2021-09-03 | 浙江大华技术股份有限公司 | File labeling method and device, storage medium and electronic device |
| CN114296671A (en) * | 2021-12-23 | 2022-04-08 | 深圳市宝视达光电有限公司 | Multi-screen conference interaction method, equipment, device and storage medium |
| CN115964011B (en) * | 2023-03-16 | 2023-06-06 | 深圳市湘凡科技有限公司 | Method and related device for displaying application interface based on multi-screen cooperation |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105308549A (en) * | 2013-06-26 | 2016-02-03 | 索尼公司 | Information processing device, control method, program, and storage medium |
| CN105512086A (en) * | 2016-02-16 | 2016-04-20 | 联想(北京)有限公司 | Information processing device and information processing method |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10192335B1 (en) * | 2014-08-25 | 2019-01-29 | Alexander Wellen | Remote control highlighter |
| KR20160063834A (en) * | 2014-11-27 | 2016-06-07 | 삼성전자주식회사 | Pointing apparatus, dongle apparatus, and display apparatus |
| KR102329124B1 (en) * | 2015-01-05 | 2021-11-19 | 삼성전자주식회사 | Image display apparatus and method for displaying image |
| WO2017139509A1 (en) * | 2016-02-12 | 2017-08-17 | Purdue Research Foundation | Manipulating 3d virtual objects using hand-held controllers |
| US10216289B2 (en) * | 2016-04-29 | 2019-02-26 | International Business Machines Corporation | Laser pointer emulation via a mobile device |
| US10222878B2 (en) * | 2017-04-26 | 2019-03-05 | Dell Products L.P. | Information handling system virtual laser pointer |
| JP6832813B2 (en) * | 2017-08-31 | 2021-02-24 | シャープ株式会社 | Display control device, pointer display method and program |
| CN108282677A (en) * | 2018-01-24 | 2018-07-13 | 上海哇嗨网络科技有限公司 | Realize that content throws method, throwing screen device and the system of screen by client |
| CN208027318U (en) * | 2018-04-01 | 2018-10-30 | 西北农林科技大学 | A kind of lantern slide remote control pen crossed |
-
2019
- 2019-06-28 CN CN201910576399.0A patent/CN110297550B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105308549A (en) * | 2013-06-26 | 2016-02-03 | 索尼公司 | Information processing device, control method, program, and storage medium |
| CN105512086A (en) * | 2016-02-16 | 2016-04-20 | 联想(北京)有限公司 | Information processing device and information processing method |
Non-Patent Citations (1)
| Title |
|---|
| "可穿戴智能戒指在多媒体投影系统中的应用";杨亮 等;《电子技术应用》;第41卷(第10期);第71-72页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110297550A (en) | 2019-10-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110297550B (en) | Label display method and device, screen throwing equipment, terminal and storage medium | |
| US11301200B2 (en) | Method of providing annotation track on the content displayed on an interactive whiteboard, computing device and non-transitory readable storage medium | |
| US9335860B2 (en) | Information processing apparatus and information processing system | |
| US20130198653A1 (en) | Method of displaying input during a collaboration session and interactive board employing same | |
| US11288031B2 (en) | Information processing apparatus, information processing method, and information processing system | |
| EP2747057A1 (en) | Text-enlargement display method | |
| JP6051670B2 (en) | Image processing apparatus, image processing system, image processing method, and program | |
| JP2016134014A (en) | Electronic information board device, information processing method and program | |
| US10013156B2 (en) | Information processing apparatus, information processing method, and computer-readable recording medium | |
| US11209921B2 (en) | Electronic blackboard, storage medium, and information display method | |
| US10637895B2 (en) | Communication terminal, communication system, communication control method and program | |
| JP6160305B2 (en) | Image processing apparatus, program, image processing system, and image processing method | |
| US20180082663A1 (en) | Information processing apparatus, image displaying method, and non-transitory computer readable medium | |
| US20200264829A1 (en) | Information processing apparatus, information processing system, and information processing method | |
| WO2017138223A1 (en) | Image processing device, image processing system, and image processing method | |
| US10965743B2 (en) | Synchronized annotations in fixed digital documents | |
| JP2014033381A (en) | Information processing apparatus and program, and image processing system | |
| JP6540367B2 (en) | Display control apparatus, communication terminal, communication system, display control method, and program | |
| CN113191184A (en) | Real-time video processing method and device, electronic equipment and storage medium | |
| JP2017076207A (en) | Image processing device and image processing system | |
| US20170017632A1 (en) | Methods and Systems of Annotating Local and Remote Display Screens | |
| US9021149B2 (en) | Information display apparatus, display system, and information display method | |
| US11557065B2 (en) | Automatic segmentation for screen-based tutorials using AR image anchors | |
| JP2022087633A (en) | Display device, erasing method switching method, and program | |
| JP2021165905A (en) | Communication device, control method of communication device, and program |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |