| 摘要 |
An ammunition supply indicator device installable in a firearm (11) the weapon (11) comprising a magazine (21) that includes several moveable means (22, 23) that slide in a longitudinal axial direction of the magazine (21); the device (12) comprising a specific number of receptor means (41) of the magnetic field generated by several actuator means (24) attached to the moveable means (22, 23), the level of the electrical signal depending on the relative distribution of the receptor means (31) in relation to the magazine (21), the type of material used to make the firearm (11), the magazine (21) and the position of the moveable means (22, 23). |
