| 摘要 |
The device of the invention includes two transmitters: a portable ultrasound transmitter with a system for the fastening to a person or his/her clothes, and a fixed ultrasound transmitter located in the dwelling. The accumulator of the portable transmitter is charged by a charger contained in the fixed transmitter, the repellent means are installed so as to be efficient for repelling mosquitoes from the dwelling and for repelling mosquitoes in the vicinity of the person during his/her movements during the day. The invention can be used for preventing diseases transmitted by mosquitoes. |
