发明名称 |
PORTABLE COMMUNICATION SYSTEM |
摘要 |
PROBLEM TO BE SOLVED: To make persons in charge of service, for example, in a restaurant or the like to serve customers a fair number of times without causing a confusion. SOLUTION: A portable communication system having a switch for transmitting a signal is constituted by a plurality of transmitter for transmitting a signal including identification information when a signal transmitting operation is inputted with this switch and a plurality of portable receivers 12. The receiver 12 has a receiving unit 124 for receiving a signal from each transmitter, a control unit 120 for determining whether the signal is received by utilizing an individual number assigned in advance and a count value obtained by counting the number of transmissions of a signal transmitted from each transmitter, and a noticing unit O21 for notching a received signal by using identification information included in the signal received by the receiving unit 124 when it is determined to receive the signal.
|
申请公布号 |
JP2002111859(A) |
申请公布日期 |
2002.04.12 |
申请号 |
JP20000293078 |
申请日期 |
2000.09.26 |
申请人 |
MATSUSHITA ELECTRIC WORKS LTD |
发明人 |
MISAWA ATSUSHI;KANDA MINORU;MATSUMOTO KAZUHIRO;NABESHIMA HIDEO |
分类号 |
H04M1/725;H04M1/00;H04M1/57;(IPC1-7):H04M1/725 |
主分类号 |
H04M1/725 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|