| 摘要 |
FIELD: technology for using trade machines to search for lost children and other individuals. ^ SUBSTANCE: radio communication network for trade machines, joined in groups on basis of districts of their mounting, which can selectively receive data, sent from operation control server. Trade machines can relay both similar advertisements, and information, used during search for lost child. Also, in each trade machine additional display block is mounted with additional portion inclined forward at a certain angle to allow user to easily browse display block, sound output block to reproduce sound through loudspeaker, to allow users, remote from trade machine, to listen to sound. This allows to prevent noise pollution occurring because of sound, emitted by loudspeaker assembly. ^ EFFECT: radio communication network with use of trade machines, positioned in different geographical areas to offer information to users in each district for finding lost individuals. ^ 2 cl, 7 dwg |
