| 摘要 |
PCT No. PCT/SE84/00292 Sec. 371 Date Apr. 25, 1985 Sec. 102(e) Date Apr. 25, 1985 PCT Filed Sep. 7, 1984 PCT Pub. No. WO85/01184 PCT Pub. Date Mar. 28, 1985.An apparatus for discharging fish feed, including a feed portioning device (1-3) connected to a probe device (5), which is at least partially immersed in water and excitable by fish for activating the portioning device such as to discharge a quantity of feed to the fish. The probe device contains an element (8) sensitive to sound and/or pressure waves and which reacts for pushes against the probe device achieved by the fish, and accordingly sends signals to an electrical device (4) for activating the portioning device (1-3). |
