| 摘要 |
PURPOSE:To allow persons awaiting the order at the window job at a hospital or the like to await person call with ease by modulating a person call data and an order data and transmitting the data at the transmission side, demodulating the data at the reception side, discriminating whether or not a person is called by a discrimination circuit and displaying it when the person is called. CONSTITUTION:A person call signal detection circuit 1 detects a person call data from a transmitted signal at the reception side. The discrimination circuit 2 discriminates whether or not the person call data nominates the own and activates a sounding or display section 3. Because of the discrimination by the discrimination circuit 2, each receiver can sets a characteristic specific to itself. An input data storage body or an input data recording body is given in advance to lots of persons. The same number 6 is given to the receiver 4 and the input data recording body 5 in pairs thereto, the number of the receiver 4 is projected and the number of the recording body 5 is formed concavedly, and only when the said numbers are coincident, they are overlapped completely to confirm th. number. |
