发明名称 Portable storage device for presentation
摘要 A portable storage device for presentation and having laser pointing function comprises a case and a cover assembled on one side of the case. The case contains a storage unit for data storage and a USB interface. The portable storage device has plug-and-play ability to a computer through the USB interface and can send data to the computer. The cover has a laser diode connected to a circuit board within the cover. The cover further has a switch to control the on/off operation of the laser diode. The presentation data in the storage unit can be downloaded to the computer and the cover with laser diode can be operated as a laser pointer.
申请公布号 US2003043111(A1) 申请公布日期 2003.03.06
申请号 US20010953191 申请日期 2001.09.06
申请人 HUANG ING-KAI 发明人 HUANG ING-KAI
分类号 G02B27/20;(IPC1-7):G09G5/00 主分类号 G02B27/20
代理机构 代理人
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