TWM453871U - Portable projector - Google Patents

Description

Portable projector

This creation relates to the field of projectors, and more particularly to a portable projector for use in connection with a multimedia device.

Today's mobile multimedia devices, such as smart phones and tablets, are developing rapidly. Many multimedia device users rely on multimedia devices as the primary tool for recording dynamic or static images. After the user uses the multimedia device to capture the dynamic or static image, the user can browse the dynamic picture or the still image directly on the display screen set by the multimedia device.

If you want to project the image data in the multimedia device, you must use the transmission line to transfer the dynamic picture or still image in the camera to the computer device, and then use the digital projector connected to the computer to play the dynamic or static image. This method must first be edited and stored in the computer for audio and video files. The computer must also have a driver corresponding to the multimedia device and the projector. Thus, the complicated steps and conditions cause the user's inconvenience. Therefore, portable projectors for use in multimedia devices have emerged.

However, the function of the portable projector developed in recent years is simply to convert and project the image data in the multimedia device. In the face of today's emphasis on integrated electronic products, the development of multi-functional portable projectors is an urgent need to achieve.

The purpose of the present invention is to solve the above problems, and to provide a portable projector that allows a user to directly mirror the screen information of the projection multimedia device, and further provides power to the multimedia device for charging when combined with the multimedia device.

In order to solve the above problems, the present invention provides a portable projector for a multimedia device, and the portable projector includes a micro processing unit, an HDMI port, a first power source, a power management module, and a projection unit. The HDMI port is used to electrically connect the micro processing unit and the multimedia device, respectively. The first power source is electrically connected to the micro processing unit for providing power to the portable projector. The power management module is electrically connected to the micro processing unit and the first power source for selectively providing power to the multimedia device. The projection unit is electrically connected to the micro processing unit and projects the screen information displayed by the multimedia device.

The advantage of this creation is that the portable projector of the present invention allows the user to directly mirror the screen information of the projection multimedia device, and can also provide power to the multimedia device for charging when combined with the multimedia device. Therefore, the portable projector of the present invention brings great convenience to the user.

The specific implementation manner of a portable projector provided by the present invention will be described in detail below with reference to the accompanying drawings.

Please refer to FIG. 1 . FIG. 1 is a functional block diagram of a portable projector and a multimedia device according to a first embodiment of the present invention. As shown in FIG. 1 , the portable projector 100 includes a micro processing unit 102 , an HDMI (High Definition Multimedia Interface) port 104 , a first power source 106 , a power management module 108 , and a projection unit 110 . In this embodiment, the HDMI port 104 is an HDMI male port. In this embodiment, the HDMI port 104, the power management module 108, and the projection unit 110 are electrically connected to the micro processing unit 102, and the first power source 106 is electrically connected to the power management module 108. The first power source 106 is For example, a battery is used to provide the power required by the portable projector 100. The multimedia device 200 has a micro processing unit 202, a display unit 204, a second power source 206, and a second port 208. In this embodiment, The display unit 204, the second power source 206, and the second port 208 are electrically connected to the micro processing unit 202, and the second port 208 is electrically connected to the second power source 206. The second power source 206 is a battery system. Used to provide the power required by the multimedia device 200. In this embodiment, the multimedia device 200 can be a portable electronic device such as a mobile phone, a smart phone, a portable game machine, a personal digital assistant (PDA), a notebook computer, or a tablet computer. iPhone 5, but not limited to it.

The portable projector 100 of the present invention is electrically connected to the multimedia device 200 via the HDMI port 104. In this embodiment, the HDMI port 104 of the portable projector 100 can also be applied to the multimedia device 200 through the switching device 300. In this embodiment, the switching device 300 can be an Apple computer company. The Lightning Digital AV adapter produced, but not limited to this. In this embodiment, one end of the switching device 300 is connected to the HDMI port 104 of the portable projector 100, and the other end is connected to the second port 208 of the multimedia device 200. The display unit 204 of the multimedia device 200 displays the screen information on the screen (not shown) of the multimedia device 200, and the micro processing unit 202 transmits the screen information displayed by the display unit 204 to the second port 208. The switching device 300 is transmitted to the HDMI port 104, processed by the micro processing unit 102, and then projected by the projection unit 110. It should be noted that the portable projector 100 of the present invention performs mirror image projection on the multimedia device 200 to achieve a screen corresponding to the screen displayed by the projection multimedia device 200.

In this embodiment, the portable projector 100 further includes a USB (Universal Serial Bus) port 112, a Serial Peripheral Interface 114, and an HDMI port 116. In this embodiment, the HDMI port 116 Connected to the HDMI female port. The USB port 112, the serial peripheral interface 114, and the HDMI port 116 are electrically connected to the micro processing unit 102. Data can be transmitted by connecting to an electronic device such as a mobile phone, a smart phone, a portable game console, a personal digital assistant (PDA), a notebook computer or a tablet computer through the applicable connection device.

In addition, the portable projector 100 of the present invention includes a charging module 118, and the charging module 118 is electrically connected to the first power source 106. In this embodiment, the charging module 118 further includes a first port 1181. The first port 1181 is connected to the external power source 400, whereby the first power source 106 can be charged through the external power source 400.

In this embodiment, the portable projector 100 further includes a switching unit 120. The switching unit 120 is electrically connected to the power management module 108 for controlling the power management module 108 to selectively connect to the second power of the multimedia device 200. 206 is charged. In this embodiment, the portable projector 100 can be connected to the second port 208 of the multimedia device 200 via a USB cable 500 connected to the USB port 112, whereby the second power source 206 can be charged by the first power source 106. Moreover, the switching unit 120 can be designed as an external interface, and the user can selectively determine that the portable projector 100 charges the multimedia device 200. In this way, the portable projector 100 of the present invention can also be used as a mobile power source.

In this embodiment, the portable projector 100 further includes a focusing unit 122 and a speaker unit 124. The focusing unit 122 is electrically connected to the micro processing unit 102 and the projection unit 110 for adjusting the lens in the projection unit 110. The focal length of (not shown) is electrically connected to the speaker unit 124 for sounding when the portable projector 100 plays audio and video data.

When the portable projector 100 is combined with the multimedia device 200 through the switching device 300, the portable projector 100 can mirror the screen information displayed by the multimedia device 200, and when the multimedia device 200 is insufficiently charged during the projection process, In the case of the case, the portable projector 100 can also be used as a mobile power source for the multimedia The body device 200 is charged to bring great convenience to the user.

The internal structure of the multimedia device 200 mentioned in this embodiment is generally known, and is not limited to the structure shown in FIG. 1.

Please refer to FIG. 2 , which is a schematic diagram showing the combination of a portable projector and a multimedia device according to an embodiment of the present invention. As shown in FIG. 2, the portable projector 100 is coupled to the second port 208 of the multimedia device 200 via the switching device 300, thereby mirroring the screen information of the projected multimedia device 200. The USB port 112, the serial peripheral interface 114, and the HDMI port 116 can respectively pass through the applicable connecting device and electronic products, such as a mobile phone, a smart phone, a portable game machine, a personal digital assistant (PDA), Data transfer after connecting a notebook or tablet.

Please refer to FIG. 3A and FIG. 3B and FIG. 2 , and FIG. 3A and FIG. 3B are schematic diagrams showing the structure of the portable projector according to an embodiment of the present invention. As shown in FIGS. 3A and 3B, the portable projector 100 of the present invention further includes a rotating shaft mechanism 600 including a rotating shaft portion 602, a fixing portion 604, and a supporting portion 606. As shown in FIG. 2, the hinge mechanism 600 can be used as a trip when the portable projector 100 is placed on a plane for projection, so that the portable projector 100 can adjust the angle of projection. The fixing portion 602 of the rotating shaft mechanism 600 has a fixing portion (not shown), and can also be used for fixing the multimedia device 200 to the portable projector 100 when the portable projector 100 is combined with the multimedia device 200.

In summary, the portable projector of the present invention allows the user to directly mirror the projection multimedia device, such as the screen information of the smart phone, and further provides power to the multimedia device when combined with the multimedia device. Therefore, the portable projector of the present invention brings great convenience to the user.

For those skilled in the art, this creation is illustrated by the best examples above. It is not intended to limit the spirit of this creation. Modifications and similar configurations made without departing from the spirit and scope of the present invention are intended to be included in the scope of the appended claims.

100‧‧‧Portable Projector

102, 202‧‧‧Microprocessing unit

104, 116‧‧‧ HDMI port埠

106‧‧‧First power supply

108‧‧‧Power Management Module

110‧‧‧Projection unit

112‧‧‧USB connection埠

114‧‧‧Listing peripheral interfaces

118‧‧‧Charging module

1181‧‧‧First connection埠

120‧‧‧Switch unit

122‧‧‧Focus unit

124‧‧‧ Speaker unit

200‧‧‧Multimedia device

204‧‧‧Display unit

206‧‧‧second power supply

208‧‧‧Second connection

300‧‧‧Transfer device

400‧‧‧External power supply

500‧‧‧USB transmission line

600‧‧‧Shaft mechanism

602‧‧‧ shaft part

604‧‧‧ Fixed Department

606‧‧‧Support

1 is a functional block diagram of a portable projector and a multimedia device according to a first embodiment of the present invention; and FIG. 2 is a view showing a portable projector and a multimedia device according to an embodiment of the present invention; FIG. 3A and FIG. 3B are schematic diagrams showing the operation of the portable projector according to an embodiment of the present invention.

100‧‧‧Portable Projector

102, 202‧‧‧Microprocessing unit

104, 116‧‧‧ HDMI port埠

106‧‧‧First power supply

108‧‧‧Power Management Module

110‧‧‧Projection unit

112‧‧‧USB connection埠

114‧‧‧Listing peripheral interfaces

118‧‧‧Charging module

1181‧‧‧First connection埠

120‧‧‧Switch unit

122‧‧‧Focus unit

124‧‧‧ Speaker unit

200‧‧‧Multimedia device

204‧‧‧Display unit

206‧‧‧second power supply

208‧‧‧Second connection

300‧‧‧Transfer device

400‧‧‧External power supply

500‧‧‧USB transmission line

Claims (9)

A portable projector is applied to a multimedia device, and the portable projector includes: a micro processing unit; an HDMI (High Definition Multimedia Interface) port for electrically connecting the micro processing unit and the a multimedia device; a first power source electrically connected to the micro processing unit for providing power of the portable projector; a power management module electrically connected to the micro processing unit and the first power source for selecting And providing a power to the multimedia device; and a projection unit electrically connected to the micro processing unit and projecting picture information displayed by the multimedia device. The portable projector of claim 1, wherein the portable projector further comprises another HDMI port or a Serial Peripheral Interface or a USB (Universal Serial Bus) connection. port. The portable projector of claim 1, wherein the electrical connection between the multimedia device and the multimedia device is performed through an HDMI connection, and the screen information displayed by the multimedia device is processed by the micro processing unit and then executed by the projection unit. Screen projection. The portable projector of claim 1, wherein the portable projector includes a charging module, and the charging module is electrically connected to the first power source for performing the first power source. Charging. The portable projector of claim 4, wherein the charging module comprises a port for connecting to an external power source and charging the first power source through the external power source. The portable projector of the first aspect of the invention, wherein the portable projector includes a switching unit electrically connected to the power management module for controlling the power module to pass through a charging connection device. A second power source of one of the multimedia devices is selectively charged. The portable projector of claim 1, wherein the portable projector comprises a speaker unit for sounding when the portable projector plays audio and video data. The portable projector of claim 1, wherein the portable projector comprises a focusing unit for adjusting a focal length of the projection unit. The portable projector of claim 1, wherein the portable projector is provided with a rotating shaft mechanism, the rotating shaft mechanism comprises a fixing portion, a supporting portion and a rotating shaft portion, wherein the rotating shaft portion is located The fixing portion and the front end or the rear end of the supporting portion, the fixing portion includes an engaging portion for fixing the portable projector.