| 摘要 |
This invention relates to a method and apparatus for repelling aquatic creatures The device comprises at least one first and one second electrode connected in a circuit and adapted for immersion in a body of water, such that the water completes the circuit The device further compnses two or more discretely connected electrical charge storage devices, a charging circuit for charging the charge storage devices from a source of electrical energy, control means for generating control signals, and a controllable switch element for each charge storage device acting under the control of the control means, the control means being adapted to switch each switch element sequentially to connect the charge storage devices to the electrodes in response to the control signals, to discharge the charge storage devices sequentially, to create, with each such discharge, a pulse of electncal current flow in the body of water between the electrodes |
