| 摘要 |
<p>PURPOSE:To collect lots of terminal questionnaire information without causing crosstalk by receiving the transmission radio wave of a radio transmission master set with the reception slave set of a terminal equipment so as to control the transmission slave set, using the state signal of a reply switch to modulate a carrier having the same frequency, sending the result and applying reception and recovery to apply a collection processing. CONSTITUTION:When an operation input being the collection of questionnaire is given to a personal computer 2, a terminal call signal generator 7 generates sequentially an address code. A modulation section 8 receiving the address code uses the address code to modulate a carrier and the result is sent through a distributor 10 and an antenna 11 after power amplifier by a transmission section 9. A transmission signal from a terminal equipment 16 is demodulated by the reception section 13 of the radio reception master set 15 in a collecting device 1, a decode section 14 decodes the state signal of the replay switch and the signal is given to the personal computer 2. When the state signal of all reply switches is obtained, the personal computer 2 applies the collection processing such as percent display and outputs the result of collection to a printer 4 and a display 5. Thus, the collection of questionnaires is attained very simply.</p> |
