| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a simple and inexpensive life-watching time signal clock system capable of confirming safety of an aged person to be monitored by utilizing time signaling function of a time signal clock. <P>SOLUTION: This system has a clock master machine for generating a prescribed time signal sound at an optional correct time from a speaker, and a portable extension exclusively used for transmission with a response button capable of radio communication with the clock master machine. The system is characterized as follows: in the clock master machine, not only a standard time signal sound but also a command time signal sound for urging response operation of the portable extension are stored as the time signal sounds, and when the command time signal sound is output from the speaker at a specific correct time, if a response signal transmitted by response button operation of the portable extension cannot be received within a prescribed time after output, a living body abnormality alarm sound is output from the speaker. <P>COPYRIGHT: (C)2007,JPO&INPIT |
