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WO2014114076A1 - 一种微型投影仪 - Google Patents

一种微型投影仪 Download PDF

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Publication number
WO2014114076A1
WO2014114076A1 PCT/CN2013/081707 CN2013081707W WO2014114076A1 WO 2014114076 A1 WO2014114076 A1 WO 2014114076A1 CN 2013081707 W CN2013081707 W CN 2013081707W WO 2014114076 A1 WO2014114076 A1 WO 2014114076A1
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WIPO (PCT)
Prior art keywords
pico projector
mobile terminal
terminal device
interface
pico
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Ceased
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PCT/CN2013/081707
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English (en)
French (fr)
Inventor
赵辉
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Individual
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Individual
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Priority to US14/381,589 priority Critical patent/US20150031414A1/en
Publication of WO2014114076A1 publication Critical patent/WO2014114076A1/zh
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Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/10—Current supply arrangements
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B29/00—Combinations of cameras, projectors or photographic printing apparatus with non-photographic non-optical apparatus, e.g. clocks or weapons; Cameras having the shape of other objects
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/382—Information transfer, e.g. on bus using universal interface adapter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
    • H04M1/72412—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories using two-way short-range wireless interfaces
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/3173—Constructional details thereof wherein the projection device is specially adapted for enhanced portability

Definitions

  • the utility model relates to the field of projection technology, in particular to a micro projector.
  • the pico projector can be divided into LCOS technology and DLP (Digital light) from the optical point of the projection module.
  • Processor, digital light processing technology, DLP technology has become the mainstream projection optical module due to its high optical efficiency, high color contrast and good image reproducibility.
  • the micro projector is used in the front-end processing of video. , with multiple video interfaces, via HDMI (High Definition Multimedia Interface, High Definition Multimedia Interface) Line, MHL (MOBILE HIGH DEFINITION, mobile high-definition line and other video data lines are connected with a smartphone, PAD or computer, and receive video signals through the video data line and projected.
  • the pico projector and the SD card slot must first copy the document to be played to In the SD card, the projector then reads the video file in the card slot and decodes and projects it.
  • the biggest drawback of the pico projector is to connect with different mobile terminal devices through different video data lines, so that the pico projector is a portable product in modern life because of the type of video data lines.
  • a large number of different video data lines are required for users to bring inconvenience to users; in addition, smartphones and PADs have small built-in memory capacity and low battery capacity due to limitations of their own devices, and existing projectors These devices cannot be powered or extended, providing unlimited storage space, limiting projector life and storage space.
  • the technical problem to be solved by the utility model is that, in view of the inconvenience of the prior art to the user and the limitation of the use time and storage space of the projector, a micro projector is provided, which not only saves the user from carrying different videos.
  • the trouble of the data line; and the mobile terminal device can be charged and expanded the storage capacity of the mobile terminal device.
  • the technical solution adopted by the utility model to solve the technical problem is: constructing a micro projector, which is connected with a mobile terminal device through a WIFI wireless network, the pico projector including a main controller and establishing with the mobile terminal device a WIFI module of the WIFI wireless network, a USB interface for charging the mobile terminal device, a USB flash drive for data transmission with the mobile terminal device, and a memory for storing data in the pico projector, wherein The WIFI module, the USB interface, the USB flash drive, and the memory are respectively connected to the main controller.
  • the pico projector further includes a digital light processor connected to the main controller and digitally processing the image signal of the pico projector.
  • the digital light processor is composed of digital micromirror elements.
  • the pico projector further includes a power manager connected to the main controller and the digital optical processor and providing power to the pico projector.
  • the data in the pico projector includes data of a memory of the pico projector and data transmitted by the mobile terminal device to the pico projector.
  • the voltage output by the USB interface is 5V.
  • the pico projector further includes a multimedia interface connected to the main controller and providing audio and video signals.
  • the multimedia interface includes an HDMI interface, an MHL interface, and a TV interface.
  • the pico projector further includes an Ethernet interface connected to the main controller and establishing a wired network with the mobile terminal device.
  • the mobile terminal device includes a smart phone, a PAD and a notebook.
  • the pico projector communicates with the mobile terminal device through the WIFI wireless network, which not only saves the trouble of the user carrying different video data lines; but also can charge the mobile terminal device.
  • the mobile terminal device can read the data stored in the pico projector memory, thereby indirectly expanding the storage capacity of the mobile terminal device; in addition, the pico projector can also be bridged to the external network.
  • FIG. 1 is a schematic structural view of a pico projector of the present invention.
  • the pico projector is used as a mobile portable device, and the mobile terminal device communicates with the mobile terminal device through the WIFI wireless network, which not only saves the user's trouble of carrying different video data lines; and the mobile terminal device can read the pico projector memory.
  • the data stored in the network indirectly expands the storage capacity of the mobile terminal device; in addition, the pico projector can also be bridged to the external network.
  • the mobile terminal device includes a smart phone, a PAD, and a notebook.
  • the pico projector has WIFI display function and WIFI.
  • Storage function it is worth noting that the WIFI display function and WIFI
  • the storage function can be used as an external part, that is, it can be integrated with the pico projector, where WIFI display
  • the function is that after the pico projector and the mobile terminal device are connected through the WIFI wireless network, the mobile terminal device transmits the stored pictures, documents and videos and the like to the pico projector through the WIFI wireless network for projection;
  • Storage The function is that after the pico projector is connected to the mobile terminal device via the WIFI wireless network, the mobile terminal device transmits the stored pictures, documents and videos and the like to the memory in the pico projector through the WIFI wireless network for storage. Operation, or copying and storing the data in the pico projector memory to the mobile terminal device, in this embodiment, the mobile terminal device can also be used as a remote controller to control the pico projector through the WIFI wireless network.
  • FIG. 1 is a schematic structural diagram of a pico projector according to the present invention.
  • the pico projector includes a main controller 101, and a WIFI module 102 and a USB connected to the main controller 101 respectively.
  • the main controller 101 serves as a core portion of the pico projector.
  • the chip used is the SSD 1937.
  • the WIFI module 102 establishes a WIFI wireless network with the mobile terminal device.
  • the chip used by the WIFI module 102 is an RTL8188C.
  • the USB interface 103 charges the mobile terminal device.
  • the voltage output by the USB interface 103 is 5V.
  • the USB interface 103 is connected to the mobile terminal device through a charger line.
  • the USB flash drive 104 performs data transmission with the mobile terminal device; in the embodiment, the chip used by the USB flash drive 104 is SM3261.
  • a memory 105 for storing data in the pico projector, wherein data in the pico projector includes data of a memory of the pico projector itself and transmission by the mobile terminal device to the pico projector data.
  • the digital light processor 106 digitally processes the image signal of the pico projector, wherein the digital light processor 106 is composed of digital micromirror elements. In the embodiment, the digital light processor 106 is used.
  • the chip is DPP2607.
  • the multimedia interface 107 provides an audio and video signal, wherein the multimedia interface includes an HDMI interface, an MHL interface, and a TV interface.
  • the chip used by the multimedia interface 107 is EP94Z3.
  • the Ethernet interface 108 establishes a wired network with the mobile terminal device.
  • a power manager 109 provides power to the pico projector.
  • the pico projector communicates with the mobile terminal device through the WIFI wireless network, which not only saves the user from carrying the trouble of carrying different video data lines; but also can charge the mobile terminal device, and the mobile terminal device can The data stored in the pico projector memory is read, thereby indirectly expanding the storage capacity of the mobile terminal device; in addition, the pico projector can also be bridged to the external network.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • General Engineering & Computer Science (AREA)
  • Projection Apparatus (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Transforming Electric Information Into Light Information (AREA)

Abstract

本实用新型公开一种微型投影仪，其与移动终端设备通过WIFI无线网络通信连接，所述微型投影仪包括主控器、与所述移动终端设备建立所述WIFI无线网络的WIFI模块、为所述移动终端设备充电的USB接口、与所述移动终端设备进行数据传输的USB闪存驱动器以及用于存储所述微型投影仪内的数据的存储器，其中，所述WIFI模块、所述USB接口、所述USB闪存驱动器以及所述存储器分别与所述主控器连接。该方案不仅省去了用户携带不同视频数据线的烦恼；还可以为该移动终端设备充电，且该移动终端设备可以读取微型投影机内存中所存储的数据，从而间接的扩展了移动终端设备的存储容量；另外，该微型投影仪也可以桥接到外网。

Description

一种微型投影仪 技术领域
本实用新型涉及投影技术领域，尤其涉及一种微型投影仪。
 背景技术
目前，微型投影仪从投影模组的光学角度上，可分为LCOS技术和DLP(Digital light Processor，数字光处理)技术两种，DLP技术因其光学效率高，色彩对比度高，图像还原性好等特点，已经成为现在主流的投影光学模组；另外，微型投影仪在视频的前端处理方面，均带有多视频接口，通过HDMI（High Definition Multimedia Interface，高清晰度多媒体接口）线、 MHL（MOBILE HIGH DEFINITION，移动高清）线等视频数据线与智能手机，PAD或电脑进行连接，并通过视频数据线接收视频信号并投影，同时微型投影仪还有SD卡槽，必须先把要播放的文档拷贝到SD卡中，投影仪再去读卡槽中的视频文件，并进行解码及投影。
在现有技术中，该微型投影仪最大的缺陷是要通过不同的视频数据线跟不同的移动终端设备进行连接，这样的话，该微型投影仪作为现代生活中的便携式产品，因为视频数据线种类繁多，需要用户携带很多不同的视频数据线，从而给用户带来不便；另外，智能手机及PAD因其自身设备体积的限制，其内置的内存容量小且电池容量低，而现有的投影仪并不能给这些设备供电，也无法为其提供扩展的存储空间，从而限制投影仪的使用时间和存储空间。
 技术问题
本实用新型要解决的技术问题在于，针对现有技术给用户带来不便以及限制投影仪的使用时间和存储空间的缺陷，提供一种微型投影仪，该技术方案不仅省去了用户携带不同视频数据线的烦恼；并且可以为移动终端设备充电和扩展了移动终端设备的存储容量。
 技术解决方案
本实用新型解决其技术问题所采用的技术方案是：构造一种微型投影仪，其与移动终端设备通过WIFI无线网络通信连接，所述微型投影仪包括主控器、与所述移动终端设备建立所述WIFI无线网络的WIFI模块、为所述移动终端设备充电的USB接口、与所述移动终端设备进行数据传输的USB闪存驱动器以及用于存储所述微型投影仪内的数据的存储器，其中，所述WIFI模块、所述USB接口、所述USB闪存驱动器以及所述存储器分别与所述主控器连接。
在本实用新型所述的微型投影仪中，所述微型投影仪还包括与所述主控器连接且将所述微型投影仪的影像信号经过数字处理后进行投影的数字光处理器。
在本实用新型所述的微型投影仪中，所述数字光处理器由数字微镜元件构成。
在本实用新型所述的微型投影仪中，所述微型投影仪还包括分别与所述主控器和所述数字光处理器连接且为所述微型投影仪提供电源的电源管理器。
在本实用新型所述的微型投影仪中，所述微型投影仪内的数据包括所述微型投影仪的内存的数据和所述移动终端设备向所述微型投影仪传输的数据。
在本实用新型所述的微型投影仪中，所述USB接口输出的电压为5V。
在本实用新型所述的微型投影仪中，所述微型投影仪还包括与所述主控器连接且提供音视频信号的多媒体接口。
在本实用新型所述的微型投影仪中，所述多媒体接口包括HDMI接口、MHL接口以及TV接口。
在本实用新型所述的微型投影仪中，所述微型投影仪还包括与所述主控器连接且与所述移动终端设备建立有线网络的以太网接口。
在本实用新型所述的微型投影仪中，所述移动终端设备包括智能手机，PAD和笔记本。
 有益效果
实施本实用新型的技术方案,具有以下有益效果：该微型投影仪通过WIFI无线网络与移动终端设备通信连接，不仅省去了用户携带不同视频数据线的烦恼；还可以为该移动终端设备充电，且该移动终端设备可以读取微型投影机内存中所存储的数据，从而间接的扩展了移动终端设备的存储容量；另外，该微型投影仪也可以桥接到外网。
 附图说明
下面将结合附图及实施例对本实用新型作进一步说明，附图中：
图1是本实用新型微型投影仪的结构示意图。
 本发明的实施方式
为了使本实用新型的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本实用新型进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本实用新型，并不用于限定本实用新型。
该方案中，该微型投影仪作为移动便携式设备，其与移动终端设备通过WIFI无线网络通信连接，不仅省去了用户携带不同视频数据线的烦恼；并且该移动终端设备可以读取微型投影机内存中所存储的数据，从而间接的扩展了移动终端设备的存储容量；另外，该微型投影仪还可以桥接到外网。其中，所述移动终端设备包括智能手机，PAD和笔记本。
应当说明的是，该微型投影仪具有WIFI display功能和WIFI storage功能，值得注意的是，该WIFI display功能和WIFI storage功能可作为外接部分，也就是说，可以不与该微型投影仪集成在一起，其中，WIFI display 功能为该微型投影仪与该移动终端设备通过WIFI无线网络连接后，该移动终端设备将其所存储的图片、文档和视频等数据通过WIFI无线网络传输到微型投影仪中进行投影；WIFI storage 功能为该微型投影仪与该移动终端设备通过WIFI无线网络连接后，该移动终端设备将其所存储的图片、文档和视频等数据通过WIFI无线网络传输到微型投影仪中的内存中进行保存并操作，或者把微型投影仪内存中的数据拷贝到移动终端设备中保存并操作，在本实施例中，该移动终端设备也可作遥控器，通过WIFI无线网络控制微型投影仪。
请参阅图1，图1是本实用新型微型投影仪的结构示意图，如图1所示，所述微型投影仪包括主控器101、分别与所述主控器101连接的WIFI模块102、USB接口103、USB闪存驱动器104、存储器105、数字光处理器106、多媒体接口107、以太网接口108以及分别与所述主控器101和所述数字光处理器106连接的电源管理器109。
下面介绍各个部分的作用：
主控器101作为该微型投影仪的核心部分，在本实施例中，采用的芯片为SSD1937。
WIFI模块102与所述移动终端设备建立WIFI无线网络，在本实施例中，WIFI模块102采用的芯片为RTL8188C。
USB接口103为所述移动终端设备充电，在本实施例中，所述USB接口103输出的电压为5V,具体来说，USB接口103通过充电器线与移动终端设备连接。
USB闪存驱动器104与所述移动终端设备进行数据传输；在本实施例中，USB闪存驱动器104采用的芯片为SM3261。
存储器105，用于存储所述微型投影仪内的数据，其中，所述微型投影仪内的数据包括所述微型投影仪本身的内存的数据和所述移动终端设备向所述微型投影仪传输的数据。
数字光处理器106将所述微型投影仪的影像信号经过数字处理后进行投影，其中，所述数字光处理器106由数字微镜元件构成，在本实施例中，数字光处理器106采用的芯片为DPP2607。
多媒体接口107提供音视频信号，其中，所述多媒体接口包括HDMI接口、MHL接口以及TV接口，在本实施例中，多媒体接口107采用的芯片为EP94Z3。
以太网接口108与所述移动终端设备建立有线网络。
电源管理器109为所述微型投影仪提供电源。
需要说明的是，上述各个部分均为独立的装置构造，并且，本领域的技术人员应当了解，在其他的实施例中，主控器101及其其他部分也可采用其他的芯片，在此不再赘述。
相较于现有技术，该微型投影仪通过WIFI无线网络与移动终端设备通信连接，不仅省去了用户携带不同视频数据线的烦恼；还可以为该移动终端设备充电，且该移动终端设备可以读取微型投影机内存中所存储的数据，从而间接的扩展了移动终端设备的存储容量；另外，该微型投影仪也可以桥接到外网。
以上所述仅为本实用新型的优选实施例而已，并不用于限制本实用新型，对于本领域的技术人员来说，本实用新型可以有各种更改和变化。凡在本实用新型的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本实用新型的权利要求范围之内。
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Claims (10)

  1. 一种微型投影仪，其特征在于，其与移动终端设备通过WIFI无线网络通信连接，所述微型投影仪包括主控器、与所述移动终端设备建立所述WIFI无线网络的WIFI模块、为所述移动终端设备充电的USB接口、与所述移动终端设备进行数据传输的USB闪存驱动器以及用于存储所述微型投影仪内的数据的存储器，其中，所述WIFI模块、所述USB接口、所述USB闪存驱动器以及所述存储器分别与所述主控器连接。
  2. 根据权利要求1所述的微型投影仪，其特征在于，所述微型投影仪还包括与所述主控器连接且将所述微型投影仪的影像信号经过数字处理后进行投影的数字光处理器。
  3. 根据权利要求2所述的微型投影仪，其特征在于，所述数字光处理器由数字微镜元件构成。
  4. 根据权利要求2或3所述的微型投影仪，其特征在于，所述微型投影仪还包括分别与所述主控器和所述数字光处理器连接且为所述微型投影仪提供电源的电源管理器。
  5. 根据权利要求1所述的微型投影仪，其特征在于，所述微型投影仪内的数据包括所述微型投影仪的内存的数据和所述移动终端设备向所述微型投影仪传输的数据。
  6. 根据权利要求1所述的微型投影仪，其特征在于，所述USB接口输出的电压为5V。
  7. 根据权利要求1所述的微型投影仪，其特征在于，所述微型投影仪还包括与所述主控器连接且提供音视频信号的多媒体接口。
  8. 根据权利要求7所述的微型投影仪，其特征在于，所述多媒体接口包括HDMI接口、MHL接口以及TV接口。
  9. 根据权利要求1所述的微型投影仪，其特征在于，所述微型投影仪还包括与所述主控器连接且与所述移动终端设备建立有线网络的以太网接口。
  10. 根据权利要求1至9任一项所述的微型投影仪，其特征在于，所述移动终端设备包括智能手机，PAD和笔记本。
PCT/CN2013/081707 2013-01-24 2013-08-17 一种微型投影仪 Ceased WO2014114076A1 (zh)

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Families Citing this family (4)

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Publication number Priority date Publication date Assignee Title
CN203104643U (zh) * 2013-01-24 2013-07-31 赵辉 一种微型投影仪
CN107240369B (zh) * 2014-09-08 2019-11-22 上海和煦展览有限公司 采用软ap控制的投影仪的投影控制系统
CN105245806A (zh) * 2015-10-30 2016-01-13 深圳市火乐科技发展有限公司 一种基于移动互联的便携式投影机
CN106506473A (zh) * 2016-10-31 2017-03-15 努比亚技术有限公司 一种信息处理方法及投影终端

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101398596A (zh) * 2007-09-25 2009-04-01 海尔集团公司 一种投影仪
US20110115689A1 (en) * 2009-11-13 2011-05-19 Panasonic Corporation Wireless projector apparatus and wireless lan adapter
CN102222418A (zh) * 2011-06-24 2011-10-19 上海华师京城高新技术开发有限公司 一种基于无线网络连接的电子白板课堂教学系统
CN203104643U (zh) * 2013-01-24 2013-07-31 赵辉 一种微型投影仪

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003198870A (ja) * 2001-12-25 2003-07-11 Seiko Epson Corp プロジェクタのワイヤレス制御システム及びワイヤレス制御方法
JP5747580B2 (ja) * 2011-03-15 2015-07-15 セイコーエプソン株式会社 プロジェクター、およびプロジェクターの制御方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101398596A (zh) * 2007-09-25 2009-04-01 海尔集团公司 一种投影仪
US20110115689A1 (en) * 2009-11-13 2011-05-19 Panasonic Corporation Wireless projector apparatus and wireless lan adapter
CN102222418A (zh) * 2011-06-24 2011-10-19 上海华师京城高新技术开发有限公司 一种基于无线网络连接的电子白板课堂教学系统
CN203104643U (zh) * 2013-01-24 2013-07-31 赵辉 一种微型投影仪

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