| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve the following problem: a conventional telephone set with a detachable illumination unit (light source body) is brought out as an emergency lamp by providing a battery charger pack driving the telephone set with the light source body; therefore, a telecommunication facility of the telephone set becomes unavailable and the conventional telephone set has an disadvantage of impossible notification of a situation (status) unless the emergency lamp is mounted on the telephone set body again. <P>SOLUTION: A illumination unit is provided with communication means of communicating a notification switch with a telephone set body. The telephone set body, upon detecting that the notification switch is pressed down with the illumination unit removed from the telephone set body, automatically transmits the detection to a predetermined report destination and makes a notification of predetermined information (status). <P>COPYRIGHT: (C)2012,JPO&INPIT |
