such as a computer or a VCR in which the present invention has the data for achieving the above object , which emphasizes the information on the projector screen, and descriptor for the screen to show the learner or blood or in addition to the participants ; and a laser pointer which is ...
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CONSTITUTION:An ILP(intelligent laser pointer) 5 is provided with a remote control means in addition to a laser pointer for indicating an image on a screen by a laser light. By the remote control means, a transmitting signal is sent to a photodetecting circuit 41A. The photodetecting circuit...
Uses USB camera shooting projector screen, acquires and pro-cesses the photos by... 闫可旸,郑鹏,刘力双,... - 《现代计算机(普及版)》 被引量: 0发表: 2014年 Remote Human-computer Interaction Using Laser Pointer Video projection is in widespread use for multimedia presentations in classrooms ...
A laser pointer for continuously drawing arbitrary shapes on a surface comprises a micro-electro-mechanical system (MEMS) mirror configured to deflect an emitted laser beam, wherein
Leica Cine 1 is a 3000 Lumen 4K Tri Laser ultra-short throw projector. There are two versions of the Cine 1 available in the US, which have been optimized for either a 100" ($8,995 SRP) or 120" ($9,495 SRP) screen. LG ProBeam BU70QGA Professional Projector Review ...
Laser Projector Needs Hardware Hack After Software Mod December 11, 2022byRobin Kearey13 Comments You probably recognize that dreadful feeling when you reboot a gadget after updating its firmware, only to be greeted by a blank screen and an unresponsive device. This apparently happened to the previ...
fromadisplaysurface. Thispaperdescribesaninexpensivetechniquewhereby everypersonintheroomusinga$15laserpointercan interactwiththeinformationonalargeprojecteddisplay. Interactionisperformedbyusingthelasertopointat displayedwidgetstomanipulatetheirfunctions.The equipmentconsistsofacomputerattachedtoaprojector andacamerato...
screen displays using laser pointer. Many previous studies have investigated different interac- tion techniques to work within the limitations of an off-the- shelf laser pointer. [2] use gesture recognition to translate specific laser pointer movements to interactive commands. ...
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