TWI490686B - Portable electronic device with multimedia function - Google Patents

Description

Portable electronic device with multimedia function

The present invention relates to a portable electronic device, and more particularly to a portable electronic device with multimedia functions.

With the continuous updating and development of technology, mobile electronic devices such as mobile phones or personal digital assistants (PDAs) are gradually beginning to have multimedia functions such as playing audio, images, and video.

In general, the implementation of multimedia functions requires a portable electronic device with a large screen, but the current trend of thin, light and short makes portable electronic devices generally difficult to have a large screen, when playing multimedia such as images and videos, The limitations of electronic device screens often result in better visual effects. Therefore, a portable electronic device having a projection output function is used more frequently. The principle is that a projection output device is installed on the portable electronic device, so that the multimedia information such as images and videos stored by the portable electronic device is projected on a wall or a screen, so that the portable electronic device does not need to be displayed by the portable electronic device. Size limit.

However, when the user uses the projection function of the portable electronic device, the power consumption of the electronic device is increased. Due to the limitation of the power supply capability of the electronic device, most portable electronic devices cannot use the projection function to play multimedia files for a long time, thereby limiting the application of the portable electronic device with multimedia functions.

In view of this, it is necessary to provide a portable electronic device with multimedia function that can save power.

A portable electronic device with multimedia functions, comprising a projection module, a multimedia information management module, a power management module, and an electrical connection with the projection module, the multimedia information management module and the power management module Central processor. The projection module is configured to project the visual signal of the electronic device to a projection plane for displaying the multimedia signal, and the multimedia information management module performs multimedia signal processing under the control of the central processor, wherein the power management module is centrally Power mode settings are made under processor control.

Compared with the prior art, the portable electronic device with multimedia function selects the format of the multimedia to be played by the multimedia information management module, and the power management module selects whether to start the projection according to the format of playing the multimedia. Board, and select the power consumption mode depending on whether the projector board is activated or not. In this way, the electronic device can not only play a better video image, but also can save a large amount of power.

10‧‧‧Portable electronic device with multimedia function

12‧‧‧Display module

13‧‧‧Projection Module

132‧‧‧Projection unit

134‧‧‧Sensor unit

14‧‧‧Multimedia Message Management Module

16‧‧‧Power Management Module

17‧‧‧Central processor

18‧‧‧Key Module

20‧‧‧Projection board

22‧‧‧Play area

24‧‧‧Operating area

1 is a functional block diagram of a portable electronic device and a projection board with multimedia functions according to a preferred embodiment of the present invention.

Referring to FIG. 1 , a portable electronic device 10 with multimedia functions of the present invention can be used to project multimedia information such as images and videos onto a projection board 20 . A play area 22 and an operation area 24 located below the play area 22 are formed on the projection board 20. The play area 22 is configured to display multimedia information such as images and videos output by the electronic device 10, Increase visual effects. The operation area 24 is a flat keyboard graphic for performing operations related to playing multimedia information displayed on the play area 22, such as playing, stopping, fast forwarding, etc., instead of operating the electronic device 10. It can be understood that the projection board 20 can be externally disposed on the electronic device 10, and the projection board 20 can be integrated with the electronic device 10 by a mechanism design (for example, by a removable tripod or a hinge).

The multimedia device 10 includes a display module 12, a projection module 13, a multimedia information management module 14, a power management module 16, a central processing unit 17, and a button module 18. . The display module 12, the projection module 13, the multimedia information management module 14, the power management module 16, and the button module 18 are electrically connected to the central processing unit 17, respectively.

The display module 12 can display various operation indication information and various multimedia information such as audio, image, video, etc. The display module 12 has preset a screen resolution according to specifications. In the preferred embodiment, the display module 12 is an existing display unit of the portable electronic device 10, such as an LCD display screen.

The projection module 13 is configured to project multimedia information such as images and videos of the electronic device 10 on the projection board 20 for playback. The projection module 13 includes a projection unit 132 and a sensing unit 134. The projection unit 132 can be configured with a conventional projection device. The projection unit 132 forms a play area 22 for playing multimedia information such as images and videos on the projection board 20. The sensing unit 134 is on the projection board. The operating area 24 is projected onto the 20 to form a flat keyboard graphic. When the user presses one of the keys in the keyboard graphic of the operation area 24, the sensing unit 134 receives the light reflected by the user's finger, thereby obtaining the key value operated by the user, and converting the key value into a corresponding value. The electrical signal is fed back to the central processing unit 17 of the electronic device.

The multimedia information management module 14 divides the multimedia information inside the electronic device 10 into The three document formats of audio, image and video automatically read and compare the resolution of images and videos with the resolution of the screen resolution of the display module 12. When the resolution required by the image and the video is less than or equal to the resolution of the display module 12, the display module 12 can be directly displayed without activating the projection module 13 without increasing the consumption. Electricity. When the resolution of the image and the video is greater than the resolution of the display module 12, the projection module 13 is activated to display a better display effect in the playback area 22. Thus, power consumption can be reduced by selectively turning on the projection module 13.

The power management module 16 is set to a smaller power consumption mode, a larger power consumption mode, or an automatic selection phase according to the document resolution of the electronic device 10 and whether the projection module 13 is turned on. Since the audio signal has no image or video output, it is not necessary to turn on the projection module 13, and a small power consumption mode can be used.

When the electronic device 20 outputs an image or video signal, if the user does not directly select the power consumption mode, the power management module 16 first enters an automatic selection phase. Then, the multimedia information management module 14 determines the document resolution of the multimedia information such as images and videos. If the resolution of the multimedia information such as images and videos is greater than the preset resolution of the display module 12, the power management mode is selected. Group 16 automatically enters a larger power consumption mode for better display. If the resolution of the image and the video is less than or equal to the preset resolution of the display module 12, the power management module 16 is selected to automatically enter the smaller power consumption mode to obtain a better display effect.

The central processing unit 17 is internally provided with a control program to implement various command operation functions of the electronic device 20. The display module 12 displays indication information of various operations and audio, image and video information under the control of the central processing unit 17. The projection module 13 is turned on or off under the control of the central processing unit 17. The multimedia information management module 14 performs multimedia control under the control of the central processing unit 17 Receive, send and process body signals. The power management module 16 selects a power mode setting under the control of the central processor 17.

The button module 18 is configured to input commands, and the display unit 12, the projection module 13, the multimedia information management module 14, and the power management module 16 are controlled by the central processing unit 17 to perform various operations.

When the portable electronic device 10 with the multimedia function is used, firstly, the relevant command is sent by the button of the button module 18 to enter the multimedia function operation interface of the electronic device 10. Then, the multimedia module 14 is selected by the button module 18 to play the format of the multimedia. If the audio signal is selected to be played, the projection module 13 need not be turned on, and the button module 18 can select a smaller power consumption mode. If the image and video signals are selected for playback, the user can select the power management module 16 to use the smaller power consumption mode or the larger power consumption mode by the button module 18. When the minimum power consumption mode is selected, the projection module 13 does not need to be turned on, and the image and video information can be played by the display module 12; when the large power consumption mode is selected, the central processor 17 turns on the The projection module 13 at this time, the video and the image are displayed by the play area 22 of the projection board 20, and the video and image of the play area 22 can be operated by the operation area 24 on the projection board 20.

If the image and video signals are selected, and the user does not select the power consumption mode, the multimedia information management module 14 reads the document resolution of the image and the video information, if the resolution of the image and the video information is greater than The display unit 12 controls the power management module 16 to automatically enter a large power consumption mode, and activates the projection module 13 to obtain a better video image on the projection board 20. image. If the resolution of the image and the video is less than or equal to the screen resolution of the display module 12, the central processing unit 17 controls the power management module 16 to automatically enter the smaller power consumption mode, without The projection module 13 is activated, and a video image is displayed on the display module 12.

It can be understood that, in order to increase the function of the portable electronic device 10 having the multimedia function of the present invention, a device such as a microphone, a earphone, a camera, a speaker, a headphone jack, and a Bluetooth can be disposed on the casing of the electronic device 10.

The portable electronic device 10 having the multimedia function selects the format of the multimedia to be played by the multimedia information management module 14, and the power management module 16 selects whether to activate the projection board 20 according to the format of the multimedia to be played, and The power consumption mode is selected depending on whether or not the projection board 20 is activated. In this way, the electronic device 10 can not only play a better video image, but also can save power to the greatest extent and meet the needs of the user.

In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited to the above-described embodiments, and equivalent modifications or variations made by those skilled in the art in light of the spirit of the present invention are It should be covered by the following patent application.

10‧‧‧Portable electronic device with multimedia function

12‧‧‧Display module

13‧‧‧Projection Module

132‧‧‧Projection unit

134‧‧‧Sensor unit

14‧‧‧Multimedia Message Management Module

16‧‧‧Power Management Module

17‧‧‧Central processor

18‧‧‧Key Module

20‧‧‧Projection board

22‧‧‧Play area

24‧‧‧Operating area

Claims (7)

A portable electronic device having a multimedia function, comprising a projection module, wherein the projection module is configured to project a multimedia signal of the electronic device to a projection plane to display a multimedia signal, wherein the improvement is: the multimedia is The portable electronic device further includes a display module having a preset screen resolution, a multimedia information management module, a power management module, and a display module, a projection module, and a multimedia information management module. a central processing unit electrically connected to the power management module, wherein the multimedia information management module performs multimedia signal processing under control of the central processing unit, and the power management module performs power mode setting under control of the central processor, the multimedia The information management module divides the multimedia signal into audio, image and video formats; if the user chooses to play the audio signal, the power management module enters a smaller power consumption mode; if the user selects the image and the video signal, the power management The module enters a smaller power consumption mode or a larger power consumption mode according to the user's choice; if the user has no choice In the electrical mode, the power management module enters an automatic selection stage, and the multimedia information management module determines the relationship between the resolution of the multimedia signal and the preset resolution, and the central processing unit controls the power management module to select the power management mode. Group smaller power consumption mode or larger power consumption mode. The portable electronic device with multimedia function as described in claim 1, wherein when the power management module selects to enter a small power consumption mode, the multimedia signal is directly displayed on the electronic device. The portable electronic device with multimedia function as described in claim 1, wherein when the power management module selects to enter a large power consumption mode, the central processor starts the projection module and transmits the multimedia signal. Projected on the projection plane. The portable electronic device with multimedia function as described in claim 1, wherein the multimedia information management module determines that the resolution of the multimedia signal to be played is greater than the electronic device When the preset resolution is set, the central processing unit controls the power management module to enter a large power consumption mode, and starts the projection module to project the multimedia signal on the projection plane. The portable electronic device with multimedia function as described in claim 1, wherein when the multimedia information management module determines that the resolution of the multimedia signal to be played is less than or equal to a preset resolution of the electronic device, The central processor controls the power management module to enter a smaller power consumption mode, and displays the multimedia signal directly on the electronic device. The portable electronic device with multimedia function as described in claim 1, wherein the portable electronic device with multimedia function further comprises a button area electrically connected to the central processing unit, wherein the button area is used Inputting an operation command, and controlling the multimedia management module and the power management module by the central processor. The portable electronic device with multimedia function as described in claim 1, wherein the projection module comprises a projection unit and a sensing unit, wherein the projection unit and the sensing unit are respectively on the projection plane. Forming a play area for displaying the multimedia signal projected by the projection module, and an operation area for operating the multimedia signal displayed in the play area.