在过去的大约18个月里,许多公司推出了大量廉价桌面视频会议系统。最新进入微型数字化视频摄像机领域的产品是Kodak公司的Digital ScienceDVC 300 Digital VideoCamera,该机器与众不同,但其与众不同之处不在于摄像机本身的特性。 使该机器与众不同的特殊性在于它与PC机连接的方式,它通过通用串行总线(UniversalSerial Bus,USB)与PC连接在一起。在此之前问世的数字摄像机连接PC时需要一个专用并行端口,因为并口没有旁通(pass- In the past 18 months or so, many companies have introduced a large number of cheap desktop video conferencing systems. The latest entry into the field of miniature digital video cameras is Kodak’s Digital ScienceDVC 300 Digital VideoCamera, which is different but differs from the camera itself in its unique features. What makes this machine unique is the way it connects to the PC, which is connected to the PC via a Universal Serial Bus (USB). Before this advent of the digital camera connected to the PC requires a dedicated parallel port, because the parallel port without pass (pass-