PURPOSE: To prevent the portability of a terminal equipment from being lost and to improve the portability by integrating an optical space transmitter to an office room component such as an office use house appliance or a decoration good or the like.
CONSTITUTION: The LAN is provided with a transmitter-receiver 1 integrated to an office desk, a transmitter-receiver 2 integrated with a desk top panel, a repeater 3 provided integrally with a clock, a repeater 4 integrated with a picture frame, a repeater 5 integrated with a door, a trunk line LAN cable 6, a branch line LAN cable 7, and floors 3F-6F. Then 6-sets of terminal equipments 10 are communicated by the repeater 4. In this case, in the case of the movement of the terminal equipment between office appliances, only the terminal equipment 10 is moved. Thus, the portability of the terminal equipment is not lost and the portability is improved.
NISHIMURA KOJI
YANAKA KAZUMASA
SHIROMIZU TAKAMI
IWASAKI YOSHIKI
YAMASHITA NAOKI
VICTOR COMPANY OF JAPAN