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Medica projection device

A projection device and media technology, applied to projection devices, TVs, color TVs, etc., can solve problems such as inability to process media data independently

Inactive Publication Date: 2007-11-14
北京锐科天智科技有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The media projection device of the present invention overcomes the shortcomings of traditional projectors that cannot process media data autonomously, receives data from the USB interface and / or memory card interface for decoding, and performs video and / or audio playback

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] Embodiment 1 (safety satellite movie projector)

[0051] The safe satellite movie projector of the present invention updates the multimedia files on the hard disk in the projector through the satellite, and these files are stored in encrypted form, and if there is a problem with the downloaded program data, report the error situation to the service center through the telephone line or broadband Internet access , so as to resend the wrong part; every time you play, you need to verify the legal authorization information on the external smart card or the internal hard disk, or obtain authorization or download authorization information in real time through a telephone line or broadband Internet access. A watermark will be generated on a specific part of the screen during projection output. Each media projection device uses a unique watermark that is unique to each other. In this way, the source can be traced when piracy occurs.

Embodiment 2

[0052] Embodiment 2 (safe broadband movie projector)

[0053] The secure broadband movie projector of the present invention updates the multimedia files on the hard disk in the projector through broadband, and these files are stored in encrypted form; each time it is played, it needs to verify the legal authorization information on the external smart card or on the internal hard disk, or through the network Obtain authorization or download authorization information in real time. In addition to the normal centralized server access mode, the network transmission method can also adopt a controllable end-to-end transmission method. That is, when each projector downloads data, it also provides data to other projectors, and all transmissions are carried out under the management of the management server. A watermark will be generated on a specific part of the screen during projection output. Each media projection device uses a unique watermark that is unique to each other. In this...

Embodiment 3

[0054] Embodiment 3 (car cinema projector)

[0055] The car theater projector of the present invention plays film and television programs through a built-in or external hard disk or optical drive, and the video is projected on a large screen, and the audio is sent wirelessly, which is convenient for cars or wireless earphones to receive.

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PUM

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Abstract

The invention discloses a media projector, receiving signals from analog and digital signal interfaces to play video and / or audio, able to connect with storage and backup power supplies and able to modularize; able to play and have 3D effect; using safe protection to internal multimedia signal transmission and able to set to generate watermark in the specific position as projecting; and each media projector uses a different unique watermark.

Description

technical field [0001] The invention relates to a media projection device, in particular to a multimedia projection device with decoding capability and backup power supply. Background technique [0002] Ordinary projectors can only play the decoded output signals of other devices, and do not have the ability to process media independently, nor can they be connected to external storage devices such as U disks, memory cards, hard disks, and CDs. It also cannot receive TV signals, and a power outage will also cause damage to the bulb. Contents of the invention [0003] The media projection device of the present invention overcomes the disadvantage that traditional projectors cannot independently process media data, receives data from a USB interface and / or a memory card interface, decodes it, and plays video and / or audio. And you can choose to play control by remote control. The memory card interface can read one or more types of memory cards used by various digital devices...

Claims

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Application Information

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IPC IPC(8): G03B21/00G06F3/00H04N5/74
Inventor 陈新
Owner 北京锐科天智科技有限责任公司
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