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To: DiViT who wrote (24587)	10/29/1997 1:24:00 PM
From: BillyG	Read Replies (1) \| Respond to of 50808

NEC develops infrared Firewire for transmission of digital video in the home........................ japanbiztech.com NEC Develops Infrared Transmission Device October 29, 1997 (TOKYO) -- NEC Corp. has developed an infrared transmission device that conforms to IEEE1394, a high-speed serial transmission protocol standard. The standard is applied mainly to video transmissions between a digital camcorder and a personal computer. The company believes that the IEEE1394 protocol will be used to connect home audio and video electronics products, including TVs, VTRs and personal computers. "This is the first step toward construction of a home network that can be connected to information equipment in homes," said Junji Namiki, networking general manager of NEC's C&C media research laboratories. The infrared transmission equipment has a transmission device and receiving device. NEC's prototype runs at 125Mbps and the maximum distance is 10 meters. Image data can be transmitted to a remote PC by operating a video unit from the remote PC. If a cable is used for the connection, a repeater is required every 4.5m, because the current IEEE1394 standard specifies 4.5m as the maximum length of a connection cable. The infrared device is built with standard parts, including a light-emitting diode (LED) used for a remote control device. As a result, NEC says the production cost is less than 10,000 yen (US$82). The company plans to commercialize the device in the latter half of 1998. Keyword: IEEE1394 The IEEE1394 standard is a serial interface for high-speed personal computers to run at 100Mbps, even at the lowest transmission speed. It was adopted by the Institute of Electrical and Electronics Engineers (IEEE) in 1995. Apple Computer Inc. of the United States developed the standard as a replacement for Small Computer System Interface (SCSI). Also, the IEEE1394 standard has been employed for the PC97, which was provided by Microsoft Corp. as its guideline for future Windows PCs. The device runs at three transmission speeds: 100Mbps, 200Mbps and 400Mbps. These speeds are suitable to transmit multimedia data including motion pictures and voice. Manufacturers of home electronics also seek to use it for their products. (return to news) (Hi-Tech News Center)