| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a calling notification system for a mobile telephone set which can give notice of calling of the mobile telephone set in places where the mobile telephone set is possibly broken or damaged when carried, e.g. in an athletic gym, a watering place, etc., where people do active excise, and is low in power consumption, practical, and inexpensive. <P>SOLUTION: The calling notification system for the mobile telephone set is constituted as shown in Fig. 1 and has watertight performance as shown in Fig. 5. The calling notification system uses not a large-scale integrated circuit or a central arithmetic processing unit and a memory, but a simple circuit composed of an encoder and a decoder composed of two general TTL ICs as a control circuit and can give notice of calling by vibration or a melody according to the result of a comparison between respective set addresses and is suppressed in unnecessary power consumption of a battery, practical, and inexpensive. <P>COPYRIGHT: (C)2003,JPO |
