WO2017201836A1

WO2017201836A1 - Projection method and device, terminal, projection apparatus and projection system

Info

Publication number: WO2017201836A1
Application number: PCT/CN2016/089934
Authority: WO
Inventors: 孙子文
Original assignee: 中兴通讯股份有限公司
Priority date: 2016-05-23
Filing date: 2016-07-13
Publication date: 2017-11-30
Also published as: CN107426553A

Abstract

A projection method and device, a terminal, a projection apparatus and a projection system. The method comprises: a terminal (90) receiving activation information of a specified area on a display screen (910) of the terminal (90), wherein the specified area is a partial area of the display screen (910); upon triggering by the activation information, transmitting a file to be projected and to be displayed in the specified area to a projection apparatus (1002) for projection. The above method resolves an issue of not being able to flexibly allocate a projection area during projection of the terminal (90), achieving projection of a partial area of the terminal (90) as well as preventing disclosing other information of the terminal display screen (910).

Description

Projection method and device, terminal, projector and projection system

Technical field

The present application relates to, but is not limited to, the field of communications, and in particular, to a projection method and apparatus, a terminal, a projector, and a projection system.

Background technique

In the related art, with the gradual popularization of smart devices, portable projectors are now widely used in various application scenarios in various industries such as education and entertainment because of their convenience, speed, and ease of use. The related art mainly aims to add a projector device to a portable mobile terminal by externally or in-line, or to connect a projector structure to a mobile terminal through a data line to realize projection of a screen of the mobile terminal. However, this is only a simple projection, and there are some defects or deficiencies. For example, there may be some cases where the user only wants to project a certain area of the mobile phone or simultaneously project to multiple places or multiple devices. For example, there is only one mobile terminal in training, conference, office or party situations and you want to project multiple locations or multiple devices at the same time.

The following problem is adopted in the technical solution of the related art: when the mobile terminal is projected, the entire content of the terminal screen is projected, and if the user wants to operate the mobile terminal at the same time, all the contents involved in the operation process and the operation process will be Others who watched it saw it, which leaked user privacy and reduced the user experience.

For the related art, the problem that the projection area cannot be flexibly set when the terminal is projected has no effective solution at present.

Summary of the invention

The following is an overview of the topics detailed in this document. This summary is not intended to limit the scope of the claims.

Embodiments of the present invention provide a projection method and apparatus, a terminal, a projector, and a projection system.

In one aspect, a projection method is provided, comprising: determining a file to be projected displayed in a designated area on a display screen of a terminal, wherein the designated area is a partial area of the display screen; and displaying the specified area Sending a file to be projected to at least one projector for projection, wherein At least one projector is a projector corresponding to the designated area.

Optionally, the correspondence between the at least one projector and the projector corresponding to the designated area includes: the designated area is associated with the at least one projector; or, the plurality of the designated areas Establish a one-to-one correspondence with multiple projectors.

Optionally, before the file to be projected displayed in the specified area is sent to the at least one projector for projection, the method further includes: receiving, by the terminal, activation information for the designated area; and displaying the file to be projected in the specified area Sending to the at least one projector for projection comprises: transmitting, to the at least one projector, the projection of the file to be projected displayed in the designated area under the trigger of the activation information.

Optionally, before the file to be projected displayed in the specified area is sent to at least one projector for projection, the method further includes: the terminal detecting a type of the activation information; the terminal is related to the type The corresponding display area is used as the designated area; wherein the type of the activation information includes: fingerprint information corresponding to different types of fingers.

Optionally, the activation information includes: touch information to the display screen; and before sending the file to be projected displayed in the designated area to the projector for projection, further comprising: detecting that the display of the touch information is received The area is the display area as the designated area.

Optionally, before the file to be projected displayed in the specified area is sent to the at least one projector for projection, the method further includes: triggering when the touch time of any position on the display screen exceeds a first threshold The terminal enters a projection mode, wherein in the projection mode, the terminal allows a file to be projected displayed in the designated area to be sent to a projector for projection.

Optionally, before the file to be projected displayed in the designated area is sent to the projector for projection, the method further includes: after the terminal enters the projection mode, and the touch time in the designated area exceeds When the second threshold is used, the terminal generates prompt information for prompting the user whether to activate the designated area.

In another aspect, a projection method is provided, the method being applied to a projector, comprising: receiving, by a receiving terminal, a file to be projected displayed in a designated area on a display screen, wherein the designated area is a part of the display screen of the terminal a region; projecting a file to be projected displayed in the specified area

In another aspect, a projection apparatus is provided for use in a terminal, comprising: determining a module, setting To determine a file to be projected displayed in a designated area on the display screen, wherein the designated area is a partial area of the display screen; and a transmission module configured to send the file to be projected displayed in the specified area to at least one projection The projector performs projection, wherein the at least one projector is a projector corresponding to the designated area.

Optionally, the device further includes: a receiving module, configured to receive activation information for the designated area before transmitting the file to be projected displayed in the designated area to at least one projector for projection; The module is configured to send the file to be projected displayed in the designated area to at least one projector for projection under the trigger of the activation information.

Optionally, the receiving module is further configured to detect a type of the activation information, and use a display area corresponding to the type as the designated area; wherein the type of the activation information includes: a fingerprint corresponding to different types of fingers information.

In another aspect, a projection apparatus is provided for use in a projector, comprising: a receiving file module, configured to receive a file to be projected displayed in a specified area on a display screen sent by a terminal, wherein the designated area is the terminal a partial area of the display screen; a projection module configured to project the file to be projected.

In another aspect, a terminal is provided, including a display screen, a processor, and a communication module; the processor is configured to acquire a file to be projected displayed in a designated area of the display screen, wherein the designated area is the display screen a portion of the area; the communication module is configured to transmit the file to be projected displayed in the designated area to at least one projector for projection, wherein the at least one projector is a projector corresponding to the designated area.

In another aspect, a projector is provided, including: a housing in which a projection lens and a receiver are disposed; the receiver is configured to receive a file to be projected displayed in a designated area sent by the terminal, wherein The designated area is a partial area of the terminal display screen; the projection lens is configured to project the file to be projected. Optionally, the housing is provided with an angle-adjustable rotating cylinder; the rotating cylinder is provided with a data transmission interface and/or a charging interface of the terminal. Optionally, the rotating cylinder is detachably mounted on the casing, wherein the rotating cylinder allows The housing is withdrawn from the housing and retracted. Optionally, the rotating cylinder is a groove-shaped structure.

In another aspect, a projection system is provided, comprising: a terminal, at least one projector;

The terminal is configured to determine a file to be projected displayed in a designated area of the display screen, wherein the designated area is a partial area of the display screen; and is further configured to display a file to be projected in the specified area Send to the projector for projection;

The at least one projector is configured to receive a file to be projected displayed in the designated area sent by the terminal, wherein the at least one projector is a projector corresponding to the designated area; and is further configured to Projecting the file to be projected.

In another aspect, a storage medium is also provided. The storage medium is configured to store program code for performing the steps of: determining a file to be projected displayed in a designated area on a display screen of the terminal, wherein the designated area is a partial area of the display screen; The file to be projected displayed inside is sent to at least one projector for projection, wherein the at least one projector is a projector corresponding to the designated area.

Optionally, the storage medium is further configured to store program code for performing the following steps: receiving a file to be projected displayed in a specified area on a display screen sent by the terminal, wherein the designated area is a partial area of the display screen of the terminal ; projecting the file to be projected displayed in the specified area.

According to the embodiment of the present invention, the terminal displays a file to be projected in a partial area of the display screen, and the partial area corresponds to a projector, and the file to be projected is sent to a projector corresponding to the partial area for projection, and the terminal display screen is further The area can be projected in the area corresponding to other areas, realizing the projection of part of the area on the terminal display screen, solving the problem that the projection area cannot be flexibly set during projection, and projecting the content that the user wants to share, and the content that is desired to be shared will be It will not be projected to protect the privacy of the user during projection; in addition, the effect of one-to-many flexible projection of the terminal and the projector is realized.

Other aspects will be apparent upon reading and understanding the drawings and detailed description.

BRIEF abstract

In the drawing:

1 is a block diagram showing the hardware structure of a mobile terminal according to a projection method according to an embodiment of the present invention;

2 is a flow chart of a projection method in accordance with an embodiment of the present invention;

3 is a flow chart of a projection method on a terminal side according to an alternative embodiment of the present invention;

4 is a flow chart of a projection method in accordance with an embodiment of the present invention;

5 is a flow chart of a projection method on a projector device side in accordance with an alternative embodiment of the present invention;

6 is a block diagram 1 of a structure of a projection apparatus according to an embodiment of the present invention;

7 is a structural block diagram 2 of a projection apparatus according to an embodiment of the present invention;

FIG. 8 is a structural block diagram 3 of a projection apparatus according to an embodiment of the invention;

FIG. 9 is a structural block diagram of a terminal according to an embodiment of the present invention; FIG.

FIG. 10 is a block diagram showing the structure of a projector according to an embodiment of the present invention; FIG.

11 is a block diagram of a projector in accordance with an alternative embodiment of the present invention.

Embodiments of the invention

The invention will be described in detail below with reference to the drawings in conjunction with the embodiments. It should be noted that the embodiments in the present application and the features in the embodiments may be combined with each other without conflict.

It is to be understood that the terms "first", "second" and the like in the specification and claims of the present invention are used to distinguish similar objects, and are not necessarily used to describe a particular order or order.

Example 1

The method embodiment provided in Embodiment 1 of the present application can be executed in a mobile terminal, a computer terminal or the like. Taking a mobile terminal as an example, FIG. 1 is a block diagram showing a hardware structure of a mobile terminal according to a projection method according to an embodiment of the present invention. As shown in FIG. 1, the mobile terminal 10 may include one or more (only one shown) processor 102 (the processor 102 may include, but is not limited to, a processing device such as a microprocessor MCU or a programmable logic device FPGA). A memory 104 that is configured to store data, and a transmission device 106 that is configured as a communication function. It will be understood by those skilled in the art that the structure shown in FIG. 1 is merely illustrative and does not limit the structure of the above electronic device. For example, the mobile terminal 10 may also include more or fewer components than those shown in FIG. 1, or have a different configuration than that shown in FIG.

The memory 104 can be configured as a software program and a module for storing application software, such as program instructions/modules corresponding to the projection method in the embodiment of the present invention, and the processor 102 executes various kinds by executing a software program and a module stored in the memory 104. Functional application and data processing, that is, the above method is implemented. Memory 104 may include high speed random access memory, and may also include non-volatile memory such as one or more magnetic storage devices, flash memory, or other non-volatile solid state memory. In some examples, memory 104 may further include memory remotely located relative to processor 102, which may be connected to mobile terminal 10 over a network. Examples of such networks include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.

Transmission device 106 is arranged to receive or transmit data via a network. The above-described network specific example may include a wireless network provided by a communication provider of the mobile terminal 10. In one example, the transmission device 106 includes a Network Interface Controller (NIC) that can be connected to other network devices through a base station to communicate with the Internet. In one example, the transmission device 106 can be a Radio Frequency (RF) module configured to communicate with the Internet wirelessly.

In this embodiment, a projection method running on the mobile terminal is provided. FIG. 2 is a flowchart of a projection method according to an embodiment of the present invention. As shown in FIG. 2, the flow includes the following steps:

Step S202, determining a file to be projected displayed in a designated area of the display screen of the terminal, wherein the designated area is a partial area of the display screen;

Step S204, the file to be projected displayed in the designated area is sent to at least one projector for projection, wherein the at least one projector is a projector corresponding to the designated area.

Optionally, the correspondence between the at least one projector and the projector corresponding to the designated area includes: the designated area and the at least one projector are respectively associated with each other; or, the plurality of designated areas and the plurality of projections respectively The instrument establishes a one-to-one correspondence. Optionally, when there are multiple projector devices, different designated areas of the terminal correspond to different projector devices, and different regions of the same terminal are projected on different projectors. In the related art, the projection of 1 (terminal) to multiple (projector) cannot be realized, and only the playback projection of 1 (terminal) to 1 (projector) can be realized, that is, one mobile terminal can only be realized at any time. The problem of the placement of one projector is one-to-many when the terminal is projected.

Optionally, the execution body of the foregoing steps may be a mobile terminal or the like, but is not limited thereto.

Optionally, before the terminal sends the file to be projected to the projector device, the terminal has established a connection with the projector device, and may be a wired connection or a wireless connection, and the wireless connection may include a Bluetooth connection, and the wireless fidelity (Wireless Fidelity) , WiFi) connection, infrared connection.

Optionally, the activation information may be touch information of the display screen, detecting a display area that receives the touch information, and using the display area as the designated area, that is, which area of the terminal screen receives the touch information, and then The area is set to the area to be projected.

Optionally, the terminal may determine the area to be projected according to the type of the activation information, that is, the designated area. For example, the type of the activation information may be fingerprint information of different fingers of the same terminal user. The use of fingerprint information of the same user increases the security of the terminal projection, and stipulates that it is not possible for a single person to operate the terminal for projection. The improvement of security will inevitably bring about inconvenience of operation, and it is also possible to set more entries. The fingerprint information of the person. Different fingerprint information corresponds to different areas to be projected. For example, it is detected that the thumb touches the terminal screen, that is, the upper left corner area of the selected terminal screen is used as the designated area, and the middle finger is detected to touch the terminal screen, that is, the lower left corner of the selected terminal screen is used as specific area.

Optionally, any position of the terminal display is subjected to a touch operation for a long time, and if the touch time exceeds the first threshold, the terminal is activated to enter a projection mode, and the terminal allows the file to be projected to be sent to the projector device in the projection mode. Projection. In the related art, there are many technical means for activating a certain function of a terminal, and the pressing force can be acquired, and the voice input can be acquired. In this embodiment, the claim activates the terminal according to the length of the touch time corresponding to the touch information. Projection mode. Optionally, after the terminal enters the projection mode, if the touch time of the touch area exceeds the second threshold, the terminal generates prompt information for prompting the user whether to activate the designated area, that is, touching the screen for a long time may enable The area corresponding to the touch position becomes the area to be projected.

Optionally, before the terminal sends the file to be projected to the projector device, for the security of the file to be projected, the file to be projected may be encrypted and modulated, and may be freely selected according to the actual situation of the market or the user, for example, security. Documents with high coefficients, such as state agencies or military secret documents, can be coded and modulated using more secure symbol information.

FIG. 3 is a flow chart of a projection method on the terminal side according to an alternative embodiment of the present invention. As shown in FIG. 3, the steps are as follows:

In step S301, when the function of the mobile terminal is used for the first time, an initial setting is required. To set the corresponding fingerprint through the fingerprint sensor and activate the corresponding screen area position on the mobile terminal side, after the setting is successful, different areas correspond to different projectors. For example, the terminal screen area a portion is set as the area position recognized by the thumb, the area b portion is set as the area position recognized by the index finger, the area c portion is set as the area position recognized by the middle finger, and the area d position is set as the area position recognized by the ring finger;

Step S302, detecting whether the setting of the above step S301 is active, and if the terminal is not in the active state, performing a normal projection operation, that is, projecting the terminal screen as a whole;

Step S303, if it is already active, the selected area position x (such as a, b, c, d) is matched with the corresponding pico projector y (such as 1, 2, 3, 4), as the terminal side acts as WiFi hotspot, after using the thumb to activate the area a position, the area a will automatically connect the pico projector 1 through WiFi; after using the index finger to activate the area b position, the pico projector 2 will be connected correspondingly; after using the middle finger to activate the area c position, it will correspond Connect the pico projector 3; after using the ring finger to activate the area d position, the pico projector 4 will be connected correspondingly;

Step S304, the terminal side selects information that has been stored on the terminal side and needs to be projected;

Step S305, the projected information is modulated and converted into corresponding symbol information by a signal modulation module on a terminal side by a signal modulation module (the modulation mode can be freely selected according to the actual situation of the market or the user, such as a place with a high security coefficient such as The national government agency can use the more secure symbol modulation information to encode and modulate);

Step S306, transmitting the modulated symbol information to the corresponding pico projector;

The method described above is applied to the terminal side, and a projection method applied to the projection device is provided below. FIG. 4 is a flowchart of a projection method according to an embodiment of the present invention. As shown in FIG. 4, the flow includes the following steps. :

Step S402, the file to be projected displayed in the designated area sent by the terminal is received, wherein the designated area is a partial area of the display screen of the terminal;

Step S404, projecting the file to be projected displayed in the designated area.

FIG. 5 is a flow chart of a projection method on the projector device side according to an alternative embodiment of the present invention. As shown in FIG. 5, the steps are as follows:

Step S501, enabling the designated pico projector by wire or wirelessly, such as a terminal After the side area a position is activated by the thumb, the matching connection between the pico projector 1 and the terminal area a is realized by WiFi;

Step S502, receiving symbol information (or other forms of information such as text, pictures, videos, etc.) transmitted from the mobile terminal side;

Step S503, decoding the modulated coded information;

Step S504, after the decoding is completed, the projector side prompts the user to immediately project the information content, if the user selects yes, then go to S506, the projector side immediately projects the relevant content; if the user selects no, then go to S505;

Step S505, the projector side prompts the user to save the projection information to the data storage unit on the projector side, and if necessary, select the information for projection;

Step S506, Projection: The pico projector starts projecting to the position or device to be projected and received.

Through the description of the above embodiments, those skilled in the art can clearly understand that the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course, by hardware, but in many cases, the former is A better implementation. Based on such understanding, the technical solution of the present invention, which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk, The optical disc includes a number of instructions for causing a terminal device (which may be a mobile phone, a computer, a server, or a network device, etc.) to perform the method of various embodiments of the present invention.

Example 2

In the embodiment, a projection device is also provided, which is used to implement the above-mentioned embodiments and preferred embodiments, and will not be described again. As used below, the term "module" may implement a combination of software and/or hardware of a predetermined function. Although the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.

The first type of projection apparatus is applied to a terminal. FIG. 6 is a block diagram of a structure of a projection apparatus according to an embodiment of the present invention. As shown in FIG. 6, the apparatus includes:

The determining module 62 is configured to determine a file to be projected displayed in a designated area of the terminal display screen, wherein the designated area is a partial area of the display screen;

The transmission module 64 is connected to the determination module 62, and is configured to send the file to be projected displayed in the designated area to at least one projector for projection, wherein the at least one projector is a projector corresponding to the designated area.

Optionally, the correspondence between the at least one projector and the projector corresponding to the designated area includes:

The designated area is associated with the at least one projector;

Alternatively, a plurality of the designated areas respectively establish a one-to-one correspondence with a plurality of projectors.

FIG. 7 is a structural block diagram 2 of a projection apparatus according to an embodiment of the present invention. As shown in FIG. 7, the apparatus includes:

The receiving module 72 is configured to: before transmitting the file to be projected displayed in the designated area to the at least one projector for projection, the terminal receives activation information for the designated area;

The transmission module 64 is configured to be connected to the receiving module 72, and is configured to send the file to be projected displayed in the designated area to at least one projector for projection under the trigger of the activation information.

Optionally, the receiving module 72 is further configured to detect a type of the activation information, and use a display area corresponding to the type as the designated area; wherein the type of the activation information may include: corresponding to different types of fingers Fingerprint information.

A second type of projection apparatus is applied to a projector. FIG. 8 is a block diagram 3 of a structure of a projection apparatus according to an embodiment of the present invention. As shown in FIG. 8, the apparatus includes:

The receiving file module 82 is configured to receive a file to be projected displayed in a designated area sent by the terminal, where the designated area is a partial area of the display screen of the terminal;

The projection module 84 is configured to be connected to the receiving file module 82, and is further configured to project the file to be projected.

It should be noted that each of the above modules may be implemented by software or hardware. For the latter, the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; or, the above modules are in any combination. The forms are located in different processors.

Example 3

According to another embodiment of the present invention, a terminal 90 is provided. FIG. 9 is a structural block diagram of a terminal according to an embodiment of the present invention. As shown in FIG. 9, the terminal 90 includes: a display screen 910, and a processor 912. , the communication module 914, in the structure diagram, three of the two are connected;

The processor 912 is configured to acquire a file to be projected displayed in a designated area of the display screen 910, wherein the designated area is a partial area of the display screen;

The communication module 914 is configured to transmit the file to be projected displayed in the designated area to at least one projector for projection, wherein the at least one projector is a projector corresponding to the designated area.

According to another embodiment of the present invention, a projector 1002 is provided. FIG. 10 is a structural block diagram of a projector according to an embodiment of the present invention. As shown in FIG. 10, the projector 1002 includes a housing and a housing. The body is provided with a projection lens 1004, a receiver 1006;

The receiver 1006 is configured to receive a file to be projected displayed in a designated area sent by the terminal, where the designated area is a partial area of the display screen of the terminal;

The projection lens 1004 is disposed to be coupled to the receiver 1006 and configured to project the file to be projected.

Optionally, the housing is provided with an angle-adjustable rotating cylinder; the rotating cylinder is provided with a data transmission interface and/or a charging interface of the terminal. Optionally, the rotating cylinder is pull-mounted to the housing, wherein the rotating cylinder allows extraction and retraction of the housing from the housing. Optionally, the rotating cylinder is a groove-shaped structure.

11 is a structural view of a projector according to an alternative embodiment of the present invention, as shown in FIG. 11, including a display screen, a button, and a rotating cylinder according to the above embodiment.

Example 4

An alternative embodiment of the present invention describes a projection system comprising: a terminal, at least one projector;

The terminal is configured to determine a file to be projected displayed in a designated area of the display screen, wherein the designated area is a partial area of the display screen; and, further, is configured to send the file to be projected displayed in the designated area to the projector Projection;

The at least one projector is configured to receive a file to be projected displayed in the designated area sent by the terminal, wherein the at least one projector is a projector corresponding to the designated area; and Set to project the file to be projected.

Example 5

Embodiments of the present invention also provide a storage medium. Optionally, in the embodiment, the foregoing storage medium may be configured to store program code for performing the following steps:

S1, determining a file to be projected displayed in a designated area of the terminal display screen, wherein the designated area is a partial area of the display screen;

S2. Send the file to be projected displayed in the designated area to at least one projector for projection, wherein the at least one projector is a projector corresponding to the designated area.

Optionally, the storage medium is further arranged to store program code for performing the following steps:

S1. The file to be projected displayed in a specified area on a display screen sent by the receiving terminal, where the designated area is a partial area of the display screen of the terminal;

S2, projecting the file to be projected displayed in the designated area.

Optionally, in this embodiment, the foregoing storage medium may include, but not limited to, a USB flash drive, a Read-Only Memory (ROM), a Random Access Memory (RAM), a mobile hard disk, and a magnetic memory. A variety of media that can store program code, such as a disc or a disc.

Optionally, in this embodiment, the processor executes the method steps described in the foregoing embodiments according to the stored program code in the storage medium.

For example, the specific examples in this embodiment may refer to the examples described in the foregoing embodiments and the optional embodiments, and details are not described herein again.

It will be apparent to those skilled in the art that the various modules or steps of the present invention described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein. The steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated as a single integrated circuit module. Thus, the invention is not limited to any specific combination of hardware and software.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

Industrial applicability

The embodiment of the present invention provides a projection method and a projection device on a terminal, the projection method may include: determining a file to be projected displayed in a specified area on a display screen of the terminal, wherein the designated area is the display screen a partial area; transmitting a file to be projected displayed in the designated area to at least one projector for projection, wherein the at least one projector is a projector corresponding to the designated area.

The embodiment of the present invention further provides a projection method and a projection device on a projector, the projection method may include: receiving a file to be projected displayed in a specified area on a display screen sent by the terminal, wherein the designated area is the a partial area of the terminal display; projecting a file to be projected displayed in the designated area.

Embodiments of the present invention also provide a projection system. In the above solution of the embodiment of the present invention, the terminal displays a file to be projected in a partial area of the display screen, and the partial area corresponds to a projector, and the file to be projected is sent to a projector corresponding to the partial area for projection, and the terminal display screen Other areas can be projected in areas corresponding to other areas, which solves the problem that the projection area cannot be flexibly set when the content displayed on the terminal is projected through the projector, and the projection of a partial area on the end display screen is realized, which is desired by the user. The shared content is projected, and the content that is not desired to be shared will not be projected, which aims to protect the privacy of the user during projection. In addition, a one-to-many flexible projection of the terminal and the projector is realized.

Claims

A projection method comprising:

Determining a file to be projected displayed in a specified area on a display screen of the terminal, wherein the designated area is a partial area of the display screen;

And transmitting the file to be projected displayed in the designated area to at least one projector for projection, wherein the at least one projector is a projector corresponding to the designated area.
The method of claim 1, wherein the correspondence of the at least one projector to the projector corresponding to the designated area comprises:

Corresponding relationship between the designated area and the at least one projector; or

A plurality of the designated areas respectively establish a one-to-one correspondence relationship with a plurality of projectors.
The method of claim 1

Before transmitting the file to be projected displayed in the designated area to at least one projector for projection, further comprising: receiving activation information for the designated area;

Transmitting the file to be projected displayed in the designated area to at least one projector for projection, comprising: transmitting, to the at least one projector, the file to be projected displayed in the designated area, triggered by the activation information Projection.
The method according to claim 3, before the file to be projected displayed in the designated area is sent to the at least one projector for projection, further comprising:

The type of the activation information is detected; the display area corresponding to the type is used as the designated area; wherein the type of the activation information includes: fingerprint information corresponding to different types of fingers.
The method of claim 3,

The activation information includes: touch information to the display screen;

Before transmitting the file to be projected displayed in the designated area to the projector for projection, the method further includes: detecting a display area that receives the touch information, and using the display area as the designated area.
The method of claim 5, before the file to be projected displayed in the designated area is sent to the at least one projector for projection, further comprising:

Triggering the terminal to enter a projection mode when a touch time to an arbitrary position on the display screen exceeds a first threshold, wherein in the projection mode, the terminal allows a display to be projected within the designated area The file is sent to the projector for projection.
The method according to claim 6, before the file to be projected displayed in the designated area is sent to the projector for projection, the method further includes:

After the terminal enters the projection mode, and when the touch time of the designated area exceeds a second threshold, the terminal generates prompt information for prompting the user whether to activate the designated area.
A projection method applied to a projector, comprising:

Receiving a file to be projected displayed in a specified area on a display screen sent by the terminal, wherein the designated area is a partial area of the display screen of the terminal;

Projecting a file to be projected displayed in the specified area.
A projection device is applied to a terminal, including:

Determining a module, configured to determine a file to be projected displayed in a designated area on the display screen, wherein the designated area is a partial area of the display screen;

And a transmission module configured to send the file to be projected displayed in the designated area to at least one projector for projection, wherein the at least one projector is a projector corresponding to the designated area.
The apparatus according to claim 9, wherein the correspondence between the at least one projector and the projector corresponding to the designated area comprises:

Corresponding relationship between the designated area and the at least one projector; or

A plurality of the designated areas respectively establish a one-to-one correspondence relationship with a plurality of projectors.
The device according to claim 9,

The method further includes: a receiving module, configured to receive activation information for the designated area before transmitting the file to be projected displayed in the designated area to at least one projector for projection;

The transmission module is configured to send the file to be projected displayed in the designated area to at least one projector for projection under the trigger of the activation information.
The apparatus of claim 11 wherein said receiving module is further configured to detect said activation The type of the information, the display area corresponding to the type is used as the designated area; wherein the type of the activation information includes: fingerprint information corresponding to different types of fingers.
A projection device applied to a projector, comprising:

Receiving a file module, configured to receive a file to be projected displayed in a specified area on a display screen sent by the terminal, wherein the designated area is a partial area of the display screen of the terminal;

a projection module configured to project the file to be projected.
A terminal comprising a display screen, a processor and a communication module;

The processor is configured to obtain a file to be projected displayed in a specified area on the display screen, wherein the designated area is a partial area of the display screen;

The communication module is configured to transmit the file to be projected displayed in the designated area to at least one projector for projection, wherein the at least one projector is a projector corresponding to the designated area.
A projector includes: a housing in which a projection lens and a receiver are disposed;

The receiver is configured to receive a file to be projected displayed in a specified area sent by the terminal, where the designated area is a partial area of the display screen of the terminal;

The projection lens is arranged to project the file to be projected.
The projector according to claim 15, wherein the housing is provided with an angle-adjustable rotating cylinder; the rotating cylinder is provided with a data transmission interface and/or a charging interface of the terminal.
The projector according to claim 16, wherein said rotating cylinder is detachably mounted to said housing, wherein said rotating cylinder allows extraction and retraction of said housing from said housing .
The projector according to claim 16, wherein the rotating cylinder is a groove-shaped structure.
A projection system comprising: a terminal, at least one projector;

The terminal is configured to determine a file to be projected displayed in a designated area of the display screen, wherein the designated area is a partial area of the display screen; and is further configured to display a file to be projected in the specified area Send to the projector for projection;

The at least one projector is configured to receive the display in the designated area sent by the terminal The file to be projected, wherein the at least one projector is a projector corresponding to the designated area; and is further configured to project the file to be projected.
A storage medium configured to store program code for performing the following steps:

Determining a file to be projected displayed in a specified area on a display screen of the terminal, wherein the designated area is a partial area of the display screen;

And transmitting the file to be projected displayed in the designated area to at least one projector for projection, wherein the at least one projector is a projector corresponding to the designated area.
A storage medium according to claim 20, wherein it is further arranged to store program code for performing the following steps:

Receiving a file to be projected displayed in a specified area on a display screen sent by the terminal, wherein the designated area is a partial area of the display screen of the terminal;

Projecting a file to be projected displayed in the specified area.