TELEPHONE SET USED IN CLEAN ROOM

摘要

PROBLEM TO BE SOLVED: To provide a telephone set which is used in a clean room without adversely affecting the room and also is able to make its prior and posterior placement plans easily. ;SOLUTION: A telephone main body 1 is half-embedded into a recess part 3, which is formed on a sidewall surface 2 of a clean room in a state in which a telephone receiver 4 and an operation surface 6 including a lock part 5 of the receiver 4, is exposed in the clean room. When a top surface 4a of the receiver 4 and the surface 6 are protruded toward the inside of the clean room, the top side of the surface 6 is formed into a downward sloping surface. Thus, half-embedded stalling of the main body 1 into the part 3 is made possible, without forming dust stay space or making the surface 2 large.;COPYRIGHT: (C)1999,JPO