TWI410825B - Presentation control method - Google Patents

Abstract

A presentation control method, suitable for a projector having a remote controller and being connected to a play device through a transmission line, is provided. In the method, a presentation frame is received from the play device through a first channel of the transmission line and then projected. Next, a key instruction sent by the remote controller is received and transformed into a presentation control instruction. The presentation control instruction is then transmitted to the play device through the second channel of the transmission line, so as to control the play device to play the presentation.

Description

Briefing control method

The present invention relates to a briefing control method, and more particularly to a method of controlling presentation play through a projector remote controller.

With the advent of the digital technology era, many companies have gradually become electronically oriented in terms of management and management in order to simplify internal operating procedures, shorten job processing time, and improve their competitiveness. Among them, one of the most significant changes in the past is the way the meeting is conducted. The person participating in the meeting report stores the electronic file of the briefing in the computer before the meeting and connects the computer to the projector in the meeting room. When the briefing staff is doing the briefing, the projector will project the briefing screen, so that the participants can see the briefing content and discuss it.

In order to make the flow of the newsletter smoother, the briefing staff generally uses the briefing pen to control the content of the newsletter played by the computer, such as switching the newsletter page or playing the transition animation. Currently, the briefing pen on the market needs to configure a receiver on the computer to receive the briefing control instruction sent by the briefing pen. For example, FIG. 1 is a schematic diagram of a conventional briefing using a briefing pen. Referring to FIG. 1, the conventional briefing method requires a radio frequency (RF) receiver 120 to be installed on the computer 110 that plays the briefing content. When the briefing person presses the control button on the briefing pen 130, the briefing pen 130 is transmitted through the radio. The communication method transmits the briefing control command to the radio receiver 120, which is converted by the radio receiver into a control code of the Human Interface Device (HID) and transmitted through the universal serial bus (USB). The interface is transmitted to the computer 110 to control the content of the briefing played by the computer 110.

However, the above-mentioned briefing method requires additional purchase of a briefing pen and a receiver, thereby increasing the hardware cost. In addition, the briefing staff needs to carry a briefing pen and a receiver when making a briefing in the field, which also causes inconvenience in use.

The invention provides a briefing control method, which can directly control the briefing playing process by the remote controller of the projection device itself, thereby saving hardware cost.

The present invention provides a briefing control method suitable for a projection device having a remote control connected to a playback device via a transmission line. The method receives the briefing screen played by the playing device through the first channel of the transmission line, and projects the screen, then receives the button command sent by the remote controller, and converts the button command into a briefing control command, and transmits the second channel through the transmission line. The briefing control command is transmitted to the playback device to control the presentation played by the playback device.

In an embodiment of the present invention, the first channel of the transmission line receives the presentation screen played by the playback device, and before the step of projecting the screen, the method further includes receiving, by the second channel of the transmission line, a playback instruction transmitted by the playback device. To enter the presentation play mode and start projecting the picture.

In an embodiment of the present invention, the first channel of the transmission line receives the presentation screen played by the playback device, and after the step of projecting the screen, the method further includes receiving, by the second channel of the transmission line, an interrupt instruction transmitted by the playback device. End the presentation play mode and stop projecting the screen.

In an embodiment of the present invention, the first channel through the transmission line receives the presentation screen played by the playback device, and after the step of projecting the screen, the method further includes: ending the briefing when the presentation of the presentation screen played by the playback device is interrupted. Play mode and stop projecting the picture.

In an embodiment of the present invention, the step of transmitting the briefing control command to the playing device by the second channel of the transmission line to control the briefing played by the playing device comprises: transmitting the transmission line when the converted button command is a briefing interrupt instruction The second channel transmits the briefing interrupt instruction to the playing device, and receives the interrupt command returned by the playing device through the second channel of the transmission line to end the briefing play mode and stop the projected picture.

In an embodiment of the present invention, the briefing control method further includes providing an instruction correspondence table, wherein the briefing control instruction corresponding to the button command of the plurality of keys on the remote controller or the control instruction of the projection device is recorded.

In an embodiment of the present invention, the method for controlling the briefing further includes: after the projection device enters the briefing play mode, converting the command correspondence table to convert the button command of the at least one button on the remote controller to correspond to the control briefing. Briefing control instructions.

In an embodiment of the present invention, the step of converting the button command into the briefing control command further includes querying the command correspondence table to convert the received button command into a brief control command or a control command of the projection device, wherein the button command For the briefing control command, the briefing control command is transmitted to the playing device through the second channel of the transmission line; if the button command is the control command of the projection device, the function corresponding to the control command is executed.

In an embodiment of the present invention, after the step of transmitting the briefing control command to the playback device by the second channel of the transmission line to control the presentation played by the playback device, the method further includes receiving a feedback instruction returned by the playback device. To confirm that the briefing control instruction has been transmitted correctly.

In an embodiment of the present invention, the transmission line supports an Inter-Integrated Circuit (I2C) interface, and the first channel of the transmission line is a Display Data Channel (DDC) of the internal integrated circuit interface. The second channel of the transmission line is the command interface (CI) of the internal integrated circuit interface.

Based on the above, the briefing control method of the present invention transmits a command by using a remote controller of the projection device itself, and transmits a command by using a two-way transmission interface between the projection device and the playback device, thereby controlling a briefing played by the playback device. Therefore, the present invention can achieve control of the briefing process without increasing the cost of the hardware.

The above described features and advantages of the present invention will be more apparent from the following description.

The invention utilizes the principle that the transmission line connected between the projector and the computer supports the bidirectional transmission of data. The projector first receives the button command of the remote controller, and after the instruction is converted, the brief control command is transmitted to the computer through the transmission line to control A briefing played by a computer. In this way, the briefing staff can control the presentation process by simply using the remote control attached to the projector itself, without the need for additional presentation pens and receivers.

FIG. 2 is a schematic diagram of a briefing control method according to an embodiment of the invention. Referring to FIG. 2, the projection device 210 of the present embodiment is equipped with a remote controller 212 to provide a projection function for the user to control the projection device 210. The projection device 210 is coupled to the playback device 230 via the transmission line 220, and receives the presentation material from the playback device 230 to project the presentation screen onto the screen 240. The projection device 210 is, for example, a high temperature polysilicon transmissive liquid crystal display (generally referred to as a liquid crystal projector) or a digital light processing (DLP) projector, and the remote controller 212 is, for example, a radio. The control command is transmitted to the projection device 210 in a manner of infrared transmission. In addition, the projection device 210, the transmission line 220, and the playback device 230 each support a bidirectional transmission interface such as an Inter-Integrated Circuit (I2C) interface, so that the projection device 210 can receive the transmission by the playback device 230 through the first channel of the transmission line 220. The data is displayed and the briefing control command can be transmitted to the playback device 230 via the second channel of the transmission line 220. The first channel is, for example, a display data channel (DDC) of the internal integrated circuit interface, and the second channel is, for example, a command interface (CI) of the internal integrated circuit interface. Limit its scope.

FIG. 3 is a flowchart of a briefing control method according to an embodiment of the invention. Referring to FIG. 3, the briefing control method of the present embodiment is applied to the above-mentioned projection device 210, and the briefing control command is transmitted through the projection device 210 to control the briefing played by the playback device 230, which is hereinafter described in conjunction with the component description in FIG. Detailed steps of the control method: First, the projection device 210 receives the presentation screen played by the playback device 230 through the first channel of the transmission line 220, and projects the screen (step S302).

Next, the projection device 210 receives the key command transmitted by the remote controller 212 (step S304). The remote controller 212 is, for example, a remote controller attached to the projection device 210 itself to control the function of the projection device 210. In this embodiment, for example, a plurality of buttons (such as a previous page and a next page button) for controlling the flow of the briefing are additionally defined on the remote controller 212, and the briefing person is used in the briefing.

When the projection device 210 receives the key command, the key command is converted into a brief control command (step S306). In detail, the projection device 210 provides, for example, an instruction correspondence table in which a briefing control command corresponding to a button command of a plurality of buttons on the remote controller 212 or a control command of the projection device 210 itself is recorded. When the briefing person presses a button for controlling the briefing flow, the projection device 210 converts the button command of the button into a corresponding briefing control command.

Finally, the projection device 210 transmits the briefing control command to the playback device 230 via the second channel of the transmission line 220 to control the presentation played by the playback device 230 (step S308).

By the above method, the briefing person can control the presentation played by the playback device by using the remote controller of the projection device. It should be noted that the present invention further includes defining a presentation play mode on the projection device, and controlling the projection device to enter or leave the presentation play mode by the cooperation between the playback device and the projection device to achieve control of the briefing process, A detailed description of an embodiment will be given.

FIG. 4 is a flowchart of a method for controlling a briefing according to an embodiment of the invention. Referring to FIG. 4, the briefing control method of the present embodiment is applied to the above-mentioned projection device 210, and the briefing control command is transmitted through the projection device 210 to control the briefing played by the playback device 230. The following is a description of the component description in FIG. Detailed steps of the control method: First, the playback device 230 starts playing the presentation, and the second channel of the transmission line 220 transmits a playback command to the projection device 210 to control the projection device 210 to enter the presentation play mode (step S402).

After entering the presentation play mode, the projection device 210 receives the command transmitted by the playback device 230 and the presentation screen via the transmission line 220, and determines whether to continue the presentation play mode (step S404). The projection device 210 receives the presentation screen through the first channel of the transmission line 220, and receives the instruction through the second channel of the transmission line 220.

If the projection device 210 continuously receives the presentation screen sent by the playback device 230 through the first channel of the transmission line 220, the received presentation screen is projected onto the screen 240 (step S408); on the other hand, if the projection device 210 transmits the transmission line The second channel of 220 receives the interrupt command sent by the playback device 230, or interrupts the profile screen received through the first channel of the transmission line 220, ends the presentation play mode, and stops the projection screen (step S406). In short, when the user interrupts the briefing at the playback device 230 (for example, pressing a pop-up button on the keyboard), the playback device 230 can send an interrupt command to the projection device 210 through the second channel to end the briefing play mode, or The briefing picture is transmitted directly through the first channel to end the briefing play mode.

The projection device 210 continues to detect and receive the key command sent by the remote controller 212 while the presentation message is being projected (step S410), and when receiving the button command, queries an instruction correspondence table to receive the received button. The instruction is converted into a briefing control command (step S412), and the converted briefing control command is transmitted to the playback device 230 through the second channel of the transmission line 220 to control the presentation played by the playback device 230 (step S414).

It should be noted that, when receiving the briefing control instruction, the playback device 230, in addition to controlling the played briefing according to the briefing control instruction, also includes transmitting a feedback command to the projection device 210 through the second channel of the transmission line 220 to confirm The briefing control command has been correctly transmitted (step S416).

After the playback device 230 returns the feedback command, the flow of the embodiment returns to step S304 to continue receiving the command and the briefing screen sent by the playback device 230 through the transmission line 220 by the projection device 210, and determining whether to continue the presentation. mode.

In the above step S412, if the key command converted by the projection device 210 is a briefing interrupt command, the briefing interrupt command is transmitted to the playback device 230 through the second channel of the transmission line 220. At this time, the playback device 230 is not only according to the briefing. The interrupt instruction interrupts the presentation of the presentation (step S414) and returns the feedback instruction (step S416), and also returns the interrupt instruction to the projection device 210. According to this, when the projection device 210 receives the interrupt instruction returned by the playback device 230 in step S404, the presentation playback mode is ended and the projection screen is stopped (step S406).

It should be noted that, in the above embodiment, a fixed command correspondence table is provided on the projection device 210 to correspond to the key command of the plurality of buttons on the remote controller 212 to the fixed briefing control command or the control command of the projection device 210 itself. . In another embodiment, the projection device 210 can also provide different instruction correspondence tables corresponding to different playback modes. For example, in the general playback mode, only the instruction correspondence table corresponding to the control instruction of the projection device 210 itself is provided, and is used to control The function of the projection device 210; after entering the briefing play mode, changing the provided command correspondence table, and changing the button command of the partial button on the remote controller 212 to correspond to the briefing control command, and used to control the briefing playback process, A detailed description of an embodiment will be given.

FIG. 5 is a flowchart of a briefing control method according to an embodiment of the invention. Referring to FIG. 5, the briefing control method of the present embodiment is applied to the above-mentioned projection device 210, and the briefing control command is transmitted through the projection device 210 to control the briefing played by the playback device 230, which is hereinafter described in conjunction with the component description in FIG. Detailed steps of the control method: First, when the playback device 230 starts playing the presentation, the playback command is transmitted to the projection device 210 through the second channel of the transmission line 220 to control the projection device 210 to enter the presentation play mode (step S502).

Different from the previous embodiment, in this embodiment, after entering the briefing play mode, the projection device 210 further converts the command correspondence table to convert the key command of at least one button on the remote controller 212 to correspond to the control briefing. The played briefing control command (step S504).

Next, the projection device 210 receives the command transmitted by the playback device 230 and the presentation screen via the transmission line 220, and determines whether or not the presentation mode is continued (step S506). If the projection device 210 continues to receive the presentation screen sent by the playback device 230 through the first channel of the transmission line 220, the received presentation screen is projected (step S510); if the projection device 210 is received through the second channel of the transmission line 220 When the interrupt command transmitted by the playback device 230 or the profile screen received through the first channel of the transmission line 220 is interrupted, the presentation play mode is ended, and the projection screen is stopped (step S508).

The projection device 210 continues to detect and receive the key command sent by the remote controller 212 while projecting the briefing screen (step S512), and queries the command correspondence table to convert the received button command into a briefing control command or projection. The control command of the device 210 itself (step S514). If the command converted by the projection device 210 is a control command of the projection device 210 itself, the function corresponding to the control command is directly executed (step S516); if the command converted by the projection device 210 is a brief control command, the transmission line 220 is transmitted through the transmission line 220. The second channel transmits the converted briefing control command to the playback device 230 to control the presentation played by the playback device 230 (step S518). Finally, after receiving the briefing control command, the playback device 230 transmits a feedback command to the projection device 210 through the second channel of the transmission line 220 to confirm that the briefing control command has been correctly transmitted (step S520).

In summary, the briefing control method of the present invention utilizes the remote controller of the projector itself as a briefing pen, and uses the original wiring mode of the projector to transmit the briefing control command, thereby achieving a briefing without increasing the hardware cost. Process control.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the invention, and any one of ordinary skill in the art can make some modifications and refinements without departing from the spirit and scope of the invention. The scope of the invention is defined by the scope of the appended claims.

110‧‧‧ computer

120‧‧‧Radio Receiver

130‧‧‧ Briefing pen

210‧‧‧Projection device

212‧‧‧Remote control

220‧‧‧ transmission line

230‧‧‧Players

S302~S308‧‧‧ steps of the briefing control method according to an embodiment of the present invention

S402~S416‧‧‧ steps of the briefing control method of an embodiment of the present invention

S502~S520‧‧‧ steps of the briefing control method according to an embodiment of the present invention

FIG. 1 is a schematic diagram showing a conventional briefing using a briefing pen.

FIG. 2 is a schematic diagram of a briefing control method according to an embodiment of the invention.

FIG. 3 is a flowchart of a briefing control method according to an embodiment of the invention.

FIG. 4 is a flowchart of a method for controlling a briefing according to an embodiment of the invention.

FIG. 5 is a flowchart of a briefing control method according to an embodiment of the invention.

S302~S308. . . Each step of the briefing control method according to an embodiment of the present invention

Claims (9)

A presentation control method is applicable to a projection device having a remote control, the projection device being coupled to a playback device via a transmission line, the method comprising the steps of: receiving, by the first playback channel, the playback device by the playback device Playing a picture of one of the presentations, and projecting the picture; the projection device receives a button command sent by the remote controller; the projection device queries an instruction correspondence table to convert the button command to a briefing control command or the projection device a control command, wherein the command correspondence table records a briefing control command corresponding to a button command of the plurality of buttons on the remote controller or a control command of the projection device; and if the button command is the briefing control command, the projection device transmits the A second channel of the transmission line transmits the presentation control command to the playback device to control the presentation played by the playback device. The method of claim control according to claim 1, wherein the projection device transmits the screen of the presentation played by the playback device through the first channel of the transmission line, and before the step of projecting the screen, further includes The projection device receives a playback command transmitted by the playback device through the second channel of the transmission line to enter a presentation play mode and start projecting the picture. The method for controlling a briefing according to claim 2, wherein the projection device transmits the screen of the presentation played by the playback device through the first channel of the transmission line, and after the step of projecting the screen, The method includes: the projection device receiving an interrupt instruction transmitted by the playback device through the second channel of the transmission line to end the briefing play mode and stop projecting the screen. The method of claim 2, wherein the projection device transmits the screen of the presentation played by the playback device through the first channel of the transmission line, and after the step of projecting the screen, further includes When the picture of the presentation received by the playback device is interrupted, the projection device ends the presentation play mode and stops projecting the picture. The method of claim 2, wherein the step of transmitting, by the projection device, the presentation control command to the playback device via the second channel of the transmission line to control the presentation played by the playback device comprises: When the converted button command is a briefing interrupt command, the projection device transmits the briefing interrupt instruction to the playing device through the second channel of the transmission line; and the projection device receives the second channel through the transmission line The playback device returns an interrupt command to end the presentation play mode and stop projecting the picture. The method for controlling a briefing according to claim 2, further comprising: after the projection device enters the briefing play mode, the projection device converts the command correspondence table to at least one button command on the remote controller Converted to a briefing control instruction corresponding to controlling the presentation of the presentation. The method of claim 2, wherein the step of querying the command correspondence table to convert the button command to the briefing control command or the control command of the projection device further comprises: if the button The command is the control command of the projection device, and the projection device performs a function corresponding to the control command. The method for controlling a briefing according to claim 1, wherein the step of transmitting the briefing control command to the playing device through the second channel of the transmitting device to control the briefing played by the playing device And further comprising: the projection device receiving a feedback instruction returned by the playback device to confirm that the briefing control command has been correctly transmitted. The method of claim 2, wherein the transmission line supports an Inter-Integrated Circuit (I2C) interface, the first channel of the transmission line is a display data channel of the internal integrated circuit interface. (Display Data Channel, DDC), and the second channel of the transmission line is a command interface (CI) of the internal integrated circuit interface.