CN112992045A - Display screen control method, media playing control equipment and display control system - Google Patents
Display screen control method, media playing control equipment and display control system Download PDFInfo
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- CN112992045A CN112992045A CN201911207770.2A CN201911207770A CN112992045A CN 112992045 A CN112992045 A CN 112992045A CN 201911207770 A CN201911207770 A CN 201911207770A CN 112992045 A CN112992045 A CN 112992045A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
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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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- 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
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/147—Digital output to display device ; Cooperation and interconnection of the display device with other functional units using display panels
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Abstract
The embodiment of the invention discloses a display screen control method, a media play control device and a display control system. The display screen control method includes, for example: receiving distance information representing a distance value between a target object and a target display screen; inquiring a pre-stored distance information and broadcast control instruction mapping relation table according to the distance information to obtain a target broadcast control instruction corresponding to the distance information, wherein the distance information and broadcast control instruction mapping relation table comprises at least one broadcast control instruction and distance information having a preset corresponding relation with the broadcast control instruction; and controlling the target display screen according to the target broadcast control instruction. The embodiment of the invention can realize intelligent control on the target display screen.
Description
Technical Field
The present invention relates to the field of display technologies, and in particular, to a display screen control method, a media playing control device, and a display control system.
Background
Currently, display screens such as LED display screens are widely used in various places such as various indoor and outdoor shopping centers, hotels, airports, chain stores, and the like. In order to control the LED display screen (for example, control the display screen to open or close), in the prior art, a user usually controls the LED display screen by manually sending a control instruction to a media playing control device (for example, a multimedia playing box) by means of upper computer software, but this manual control method is difficult to achieve intelligent control of the LED display screen.
Disclosure of Invention
Therefore, to overcome the defects and shortcomings in the prior art, embodiments of the present invention provide a display screen control method, a media playing control device, and a display control system, which can implement intelligent control on a target display screen.
On one hand, the display screen control method provided by the embodiment of the invention comprises the following steps: receiving distance information representing a distance value between a target object and a target display screen; inquiring a pre-stored distance information and broadcast control instruction mapping relation table according to the distance information to obtain a target broadcast control instruction corresponding to the distance information, wherein the distance information and broadcast control instruction mapping relation table comprises at least one broadcast control instruction and distance information having a preset corresponding relation with the broadcast control instruction; and controlling the target display screen according to the target broadcast control instruction.
In the above scheme, the display screen control method includes first receiving distance information representing a distance value between a target object (e.g., a person) and a target display screen, then querying a pre-stored distance information and broadcast control instruction mapping relation table according to the distance information to obtain a target broadcast control instruction corresponding to the distance value, where the distance information and broadcast control instruction mapping relation table includes at least one broadcast control instruction and distance information having a preset corresponding relation with the broadcast control instruction, and finally controlling the target display screen according to the target broadcast control instruction.
In an embodiment of the present invention, the controlling the target display screen according to the target broadcast control instruction includes: sending the target broadcast control instruction to a programmable logic device by an embedded processor, and controlling the target display screen to execute corresponding action by the programmable logic device according to the target broadcast control instruction; the broadcasting control instruction comprises a screen opening instruction, a screen closing instruction and a program inserting instruction, and the corresponding action comprises screen opening, screen closing or displaying of a program to be inserted.
In an embodiment of the present invention, the receiving distance information representing a distance value between the target object and the target display screen specifically includes: controlling an ultrasonic sensor to detect a distance value between the target object and the target display screen; and receiving distance information which is sent by the ultrasonic sensor and contains the distance value.
In another aspect, an embodiment of the present invention provides a media playing and controlling device, including: the communication interface is used for connecting the ultrasonic sensor; the embedded processor is electrically connected with the communication interface; the programmable logic device is electrically connected with the embedded processor and is used for electrically connecting the target display screen; wherein the embedded processor is to: receiving distance information provided by the ultrasonic sensor from the communication interface, wherein the distance information is used for representing a distance value between a target object and the target display screen; inquiring a pre-stored distance information and broadcast control instruction mapping relation table according to the distance information to obtain a target broadcast control instruction corresponding to the distance information and sending the target broadcast control instruction to the programmable logic device, wherein the distance information and broadcast control instruction mapping relation table comprises at least one broadcast control instruction and distance information which has a preset corresponding relation with the broadcast control instruction; and the programmable logic device is used for controlling the target display screen according to the target broadcast control instruction.
In the above solution, first, the embedded processor of the media play control device receives distance information representing a distance value between a target object (e.g., a person) and a target display screen, which is provided by an ultrasonic sensor, from a communication interface, then, the embedded processor queries a pre-stored mapping relationship table of distance information and play control instructions according to the distance information to obtain a target play control instruction corresponding to the distance value, and sends the target play control instruction to the programmable logic device, where the mapping relationship table of distance information and play control instructions includes at least one play control instruction and distance information having a preset corresponding relationship with the play control instruction, and finally, the programmable logic device of the media play control device controls the target display screen according to the target play control instruction, so that the media play control device can determine the target play control instruction according to the distance value between the person and the target display screen, and then control the target display screen based on the target broadcast control instruction, thereby realizing intelligent control on the target display screen and enhancing the man-machine interaction.
In an embodiment of the present invention, the embedded processor is configured to receive, from the communication interface, distance information provided by the ultrasonic sensor, specifically: controlling the ultrasonic sensor to detect a distance value between the target object and the target display screen; and receiving the distance information containing the distance value sent by the ultrasonic sensor from the communication interface.
In an embodiment of the present invention, the programmable logic device is configured to control the target display screen according to the target broadcast control instruction, and specifically includes: the programmable logic device is used for controlling the target display screen to execute corresponding actions according to the target broadcast control instruction; the broadcasting control instruction comprises a screen opening instruction, a screen closing instruction and a program inserting instruction, and the corresponding action comprises screen opening, screen closing or displaying of a program to be inserted.
In another aspect, an embodiment of the present invention provides a display control system, including: the media broadcast control equipment is provided with a communication interface and a network port; the target display screen is electrically connected with the network port; the ultrasonic sensor is electrically connected with the communication interface and is used for detecting a distance value between a target object and the target display screen and sending distance information containing the distance value to the media broadcasting control equipment; wherein the media play control device is configured to: receiving the distance information from the communication interface; inquiring a pre-stored distance information and broadcast control instruction mapping relation table according to the distance information to obtain a target broadcast control instruction corresponding to the distance value, wherein the distance information and broadcast control instruction mapping relation table comprises at least one broadcast control instruction and distance information having a preset corresponding relation with the broadcast control instruction; and controlling the target display screen according to the target broadcast control instruction.
In the above solution, the media broadcast control device is applied to the display control system, so as to achieve intelligent control over the target display screen and enhance human-computer interactivity, and specifically, the media broadcast control device first receives distance information representing a distance value between a target object (e.g., a person) and the target display screen from the ultrasonic sensor through the communication interface, then queries a pre-stored mapping relation table of the distance information and the broadcast control instruction according to the distance information, so as to obtain a target broadcast control instruction corresponding to the distance information, where the mapping relation table of the distance information and the broadcast control instruction includes at least one broadcast control instruction and distance information having a preset corresponding relation with the broadcast control instruction, and finally controls the target display screen according to the target broadcast control instruction, so that the target broadcast control instruction can be determined according to the distance value between the person and the target display screen, and then controlling the target display screen based on the target broadcast control instruction.
In one embodiment of the present invention, the ultrasonic sensor includes a wave transmitting module, a wave receiving module, and a microprocessor module electrically connecting the wave transmitting module and the wave receiving module.
In one embodiment of the present invention, the media playback control device further includes an embedded processor and a programmable logic device electrically connected to the embedded processor; wherein the embedded processor is to: receiving the distance information from the communication interface; inquiring a pre-stored mapping relation table of the distance information and the broadcast control instruction according to the distance value to obtain the target broadcast control instruction corresponding to the distance value and sending the target broadcast control instruction to the programmable logic device; and the programmable logic device is used for controlling the target display screen according to the target broadcast control instruction.
In an embodiment of the present invention, the programmable logic device is configured to control the target display screen according to the target broadcast control instruction, and specifically includes: the programmable logic device is used for controlling the target display screen to execute corresponding actions according to the target broadcast control instruction; the broadcasting control instruction comprises a screen opening instruction, a screen closing instruction and a program inserting instruction, and the corresponding action comprises screen opening, screen closing or displaying of a program to be inserted.
One or more of the above technical solutions may have the following advantages or beneficial effects: the display screen control method, the media playing control equipment and the display control system can realize intelligent control on the target display screen and enhance the man-machine interaction.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic flowchart of a display screen control method according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a display control system according to an embodiment of the present invention.
Fig. 3 is a schematic structural view of the ultrasonic sensor in fig. 2.
Fig. 4 is a schematic structural diagram of a media playing and controlling device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a display screen control method according to an embodiment of the present invention is shown. The display screen control method includes, for example, the steps of:
s102, receiving distance information representing a distance value between a target object and a target display screen;
s104, inquiring a pre-stored distance information and broadcast control instruction mapping relation table according to the distance information to obtain a target broadcast control instruction corresponding to the distance information, wherein the distance information and broadcast control instruction mapping relation table comprises at least one broadcast control instruction and distance information which has a preset corresponding relation with the broadcast control instruction;
and S106, controlling the target display screen according to the target broadcast control instruction.
In order to facilitate understanding of the present invention, the display screen control method of the present embodiment will be described in detail below with reference to fig. 2 to 4.
As shown in fig. 2, a display control system 500 is shown. The display control system 500 includes, for example, an ultrasonic sensor 400, a media playback device 200, and a target display screen 300. The media play and control device 200 is electrically connected to the ultrasonic sensor 400 and the target display screen 300, respectively, and the target display screen 300 may be, for example, an LED display screen.
As described above, as shown in fig. 3, the ultrasonic sensor 400 may include, for example, a wave transmitting module 402, a micro-processing module 404, and a wave receiving module 406, wherein the micro-processing module 404 is electrically connected to the wave transmitting module 402 and the wave receiving module 406, respectively.
As mentioned above, as shown in fig. 4, the media playback device 200 mainly includes a communication interface 201, an embedded processor 202, and a programmable logic device 203. Wherein, the embedded processor 202 is electrically connected with the communication interface 201 and the programmable logic device 203 respectively. In addition, the media playback control device 200 further includes an ethernet physical layer transceiver 204, a network transformer 205, and a network port 206, wherein the network transformer 205 is electrically connected to the programmable logic device 203 through the ethernet physical layer transceiver 204, and the network port 206 is electrically connected to the network transformer 205. For example, the communication interface 201 may be, for example, a serial communication interface such as a Universal Asynchronous Receiver Transmitter (UART) interface, the embedded processor 202 may be, for example, an ARM processor, the programmable logic device 203 may be, for example, a Field Programmable Gate Array (FPGA) device, the ethernet PHY transceiver 204 may be, for example, a gigabit ethernet PHY chip, and the type of the network port 206 may be, for example, RJ 45; of course, the present embodiment is not limited thereto. Furthermore, the network port 206, the network transformer 205 and the ethernet physical layer transceiver 204 in this embodiment are not limited to include only one, and may include a plurality of ports, which is not specifically limited herein.
Specifically, the ultrasonic sensor 400 is connected with the communication interface 201 of the media play control device 200 through the microprocessor 404 to electrically connect the ultrasonic sensor 400 with the media play control device 200. The media playback device 200 is electrically connected to the target display screen 300 (specifically, to the network port of the target display screen 300) through the network port 206.
The display screen control method of the present embodiment may be executed by the media playback device 200, for example, and the following describes in detail the process of executing the display screen control method by the media playback device 200.
First, the media play control apparatus 200 receives distance information representing a distance value between a target object (e.g., a person) and the target display screen 300 from the ultrasonic sensor 400. Specifically, the media playing and controlling device 200 (specifically, the embedded processor 202 of the media playing and controlling device 200) controls the ultrasonic sensor 400 to detect a distance value between the target object and the target display screen, after the ultrasonic sensor 400 receives a control instruction of the media playing and controlling device 200, the wave sending module 402 of the ultrasonic sensor 400 generates a sound wave pulse under the action of the electronic oscillator thereof and sends the sound wave pulse to the periphery thereof, when the target object appears around the ultrasonic sensor 400, the sound wave pulse is reflected and returned to the wave receiving module 406, the reflected sound wave pulse is processed by the micro-processing module 404 to obtain a distance value representing the distance between the person and the target display screen 300, and finally, the micro-processing module 404 of the ultrasonic sensor 400 sends distance information containing the distance value to the communication interface 201 of the media playing and controlling device 200 via the serial communication interface of the ultrasonic sensor 400, such as the UART interface, so that the media playing and controlling device 200 can detect the distance value from the ultrasonic sensing device 200 The distance information is received by the device 400. It should be noted that, in this embodiment, the ultrasonic sensor 400 may be, for example, disposed in a plane where the display surface of the target display screen 300 is located, and it may be, for example, located at an upper left corner, a top portion, an upper right corner, a lower left corner, or a lower right corner of the target display screen 300.
Then, after the embedded processor 202 of the media play control device 200 receives the distance information from the communication interface 201, the embedded processor 202 queries a pre-stored mapping relationship table of distance information and play control instruction according to the distance information to obtain a target play control instruction corresponding to the distance information, where the mapping relationship table of distance information and play control instruction includes at least one play control instruction and distance information having a preset corresponding relationship with the play control instruction. For example, the mapping relationship table of the distance information and the play command may be pre-stored in a non-volatile memory, such as an EMMC (embedded Multi media card), of the media play control device 200, and the mapping relationship table of the distance information and the play command may be introduced into the EMMC through a serial communication interface of the media play control device 200 by using a peripheral device, such as a usb disk, by a user, or may be issued to the EMMC of the media play control device 200 by a user through upper computer software on a PC, which is not limited in the embodiment of the present invention. The pre-stored mapping relationship table between the distance information and the broadcast control instruction may represent, for example: when the distance information indicates that the distance value is less than 5 meters, the target display screen 300 is controlled to insert an advertisement, for example, to play an advertisement for 15 seconds, or when the distance information indicates that the distance value is between 5 meters and 10 meters, the target display screen 300 is controlled to turn off the screen, or when the distance information indicates that the distance value is greater than 10 meters, the target display screen 300 is controlled to turn on the screen, which is not limited in this embodiment of the present invention. In the embodiment of the present invention, a user may define a mapping relation table between distance information and a broadcast control instruction as needed to meet various scene needs, for example, in a scene, when the user wants that a distance between people around a target display screen 300 and the target display screen 300 is less than 2 meters, the target display screen 300 is opened, in this case, a broadcast control instruction corresponding to distance information with a distance value less than 2 meters is an open instruction; in another scenario, when a user wants to make a distance between people around the target display screen 300 and the target display screen 300 less than 2 meters, the target display screen 300 plays a specific advertisement to improve the attention of people around the LED display screen to the specific advertisement, in which case, a play control instruction corresponding to distance information with a distance value less than 2 meters is a program insertion instruction; in still another scenario, when the distance between the people around the target display screen 300 and the target display screen 300 is greater than 10 meters, the target display screen 300 is turned off, so as to save energy, and the target display screen 300 can be used as a mirror to play a decorative role, in this case, the broadcast control instruction corresponding to the distance information with the distance value greater than 10 meters is a screen turn-off instruction. It should be noted that the screen-on command and the screen-off command correspond to lighting the target display screen 300 and closing the target display screen 300, respectively.
Then, the embedded processor 202 sends the target broadcast control instruction to the programmable logic device 203, and the programmable logic device 203 controls the target display screen 300 to execute a corresponding action according to the target broadcast control instruction. The broadcast control instruction comprises a screen opening instruction, a screen closing instruction and a program inserting instruction, and correspondingly, the corresponding action comprises screen opening, screen closing or displaying of a program to be inserted. For example, when the target broadcast control instruction is a screen-on instruction or a screen-off instruction, the embedded processor 202 sends the screen-on instruction or the screen-off instruction to the programmable logic device 203, and the programmable logic device 203 controls the target display screen 300 to perform a screen-on operation or a screen-off operation according to the screen-on instruction or the screen-off instruction. Or, when the target broadcast control instruction is a program insertion instruction, the embedded processor 202 acquires a program to be inserted (for example, acquires the program to be inserted from a nonvolatile memory of the media broadcast control device 200) according to the program insertion instruction, and sends the program to be inserted to the programmable logic device 203; then the programmable logic device 203 is used to control the target display screen 300 to display the program to be inserted according to the program to be inserted.
In the embodiment, the display screen control method, the media playing control device and the display control system can realize intelligent control over the target display screen and enhance human-computer interaction by inquiring the mapping relation table of the distance information and the playing control instruction according to the distance value between the person and the target display screen to obtain the target playing control instruction and controlling the target display screen based on the target playing control instruction. In addition, the user can define the mapping relation table of the distance information and the broadcast control instruction according to needs, so as to achieve the following purposes: the attention of a target object (e.g., a person) to a specific broadcast program is increased by inserting the specific program, or the program is normally broadcast by turning off the screen to save energy or turning on the screen.
In addition, it should be understood that the foregoing embodiments are merely exemplary illustrations of the present invention, and the technical solutions of the embodiments can be arbitrarily combined and collocated without conflict between technical features and structural contradictions, which do not violate the purpose of the present invention.
In the embodiments provided in the present invention, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, a division of a unit is merely a division of one logic function, and an actual implementation may have another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may also be distributed on multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, each functional unit/module in the embodiments of the present invention may be integrated into one processing unit/module, or each unit/module may exist alone physically, or two or more units/modules may be integrated into one unit/module. The integrated units/modules may be implemented in the form of hardware, or may be implemented in the form of hardware plus software functional units/modules.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A display screen control method is characterized by comprising the following steps:
receiving distance information representing a distance value between a target object and a target display screen;
inquiring a pre-stored distance information and broadcast control instruction mapping relation table according to the distance information to obtain a target broadcast control instruction corresponding to the distance information, wherein the distance information and broadcast control instruction mapping relation table comprises at least one broadcast control instruction and distance information having a preset corresponding relation with the broadcast control instruction;
and controlling the target display screen according to the target broadcast control instruction.
2. The display screen control method according to claim 1, wherein the controlling the target display screen according to the target broadcast control instruction comprises: sending the target broadcast control instruction to a programmable logic device by an embedded processor, and controlling the target display screen to execute corresponding action by the programmable logic device according to the target broadcast control instruction;
the broadcasting control instruction comprises a screen opening instruction, a screen closing instruction and a program inserting instruction, and the corresponding action comprises screen opening, screen closing or displaying of a program to be inserted.
3. The display screen control method according to claim 1, wherein the receiving distance information representing a distance value between the target object and the target display screen specifically comprises:
controlling an ultrasonic sensor to detect a distance value between the target object and the target display screen;
and receiving distance information which is sent by the ultrasonic sensor and contains the distance value.
4. A media playback device, comprising:
the communication interface is used for connecting the ultrasonic sensor;
the embedded processor is electrically connected with the communication interface;
the programmable logic device is electrically connected with the embedded processor and is used for electrically connecting the target display screen;
wherein the embedded processor is to:
receiving distance information provided by the ultrasonic sensor from the communication interface, wherein the distance information is used for representing a distance value between a target object and the target display screen; and
inquiring a pre-stored distance information and broadcast control instruction mapping relation table according to the distance information to obtain a target broadcast control instruction corresponding to the distance information and sending the target broadcast control instruction to the programmable logic device, wherein the distance information and broadcast control instruction mapping relation table comprises at least one broadcast control instruction and distance information having a preset corresponding relation with the broadcast control instruction;
and the programmable logic device is used for controlling the target display screen according to the target broadcast control instruction.
5. The media play control device according to claim 4, wherein the embedded processor is configured to receive, from the communication interface, distance information provided by the ultrasonic sensor, specifically:
controlling the ultrasonic sensor to detect a distance value between the target object and the target display screen;
and receiving the distance information containing the distance value sent by the ultrasonic sensor from the communication interface.
6. The media playing and controlling device according to claim 4, wherein the programmable logic device is configured to control the target display screen according to the target playing and controlling instruction, and specifically is configured to:
the programmable logic device is used for controlling the target display screen to execute corresponding actions according to the target broadcast control instruction;
the broadcasting control instruction comprises a screen opening instruction, a screen closing instruction and a program inserting instruction, and the corresponding action comprises screen opening, screen closing or displaying of a program to be inserted.
7. A display control system, comprising:
the media broadcast control equipment is provided with a communication interface and a network port;
the target display screen is electrically connected with the network port;
the ultrasonic sensor is electrically connected with the communication interface and is used for detecting a distance value between a target object and the target display screen and sending distance information containing the distance value to the media broadcasting control equipment;
wherein the media play control device is configured to:
receiving the distance information from the communication interface;
inquiring a pre-stored distance information and broadcast control instruction mapping relation table according to the distance information to obtain a target broadcast control instruction corresponding to the distance value, wherein the distance information and broadcast control instruction mapping relation table comprises at least one broadcast control instruction and distance information having a preset corresponding relation with the broadcast control instruction;
and controlling the target display screen according to the target broadcast control instruction.
8. The display control system according to claim 7, wherein the ultrasonic sensor includes a wave transmitting module, a wave receiving module, and a microprocessor module electrically connecting the wave transmitting module and the wave receiving module.
9. The display control system of claim 7, wherein the media playback device further comprises an embedded processor and a programmable logic device electrically connected to the embedded processor;
wherein the embedded processor is to:
receiving the distance information from the communication interface; and
inquiring a pre-stored mapping relation table of the distance information and the broadcast control instruction according to the distance value to obtain the target broadcast control instruction corresponding to the distance value and sending the target broadcast control instruction to the programmable logic device;
and the programmable logic device is used for controlling the target display screen according to the target broadcast control instruction.
10. The display control system according to claim 9, wherein the programmable logic device is configured to control the target display screen according to the target broadcast control instruction, specifically:
the programmable logic device is used for controlling the target display screen to execute corresponding actions according to the target broadcast control instruction;
the broadcasting control instruction comprises a screen opening instruction, a screen closing instruction and a program inserting instruction, and the corresponding action comprises screen opening, screen closing or displaying of a program to be inserted.
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| US20100238041A1 (en) * | 2009-03-17 | 2010-09-23 | International Business Machines Corporation | Apparatus, system, and method for scalable media output |
| CN103165062A (en) * | 2011-12-15 | 2013-06-19 | 联发科技（新加坡）私人有限公司 | Method and device of controlling multimedia player power supply |
| CN105047178A (en) * | 2015-08-19 | 2015-11-11 | 山东大学 | Device and method for saving electricity of display screen based on ultrasonic detection and brightness synchronization tracking |
| CN105573492A (en) * | 2015-11-25 | 2016-05-11 | 小米科技有限责任公司 | Interactive type screen control method and apparatus |
| CN107731179A (en) * | 2017-09-11 | 2018-02-23 | 广东美的制冷设备有限公司 | Display control method, device, storage medium and air conditioner |
| CN109036243A (en) * | 2018-07-18 | 2018-12-18 | 中国农业大学 | Intelligent display screen control device and method |
| CN108831388A (en) * | 2018-07-26 | 2018-11-16 | 广州创维平面显示科技有限公司 | Method, advertisement machine and the readable storage medium storing program for executing of intelligent regulator brightness |
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