Antitheft device for banks etc. - comprising net magnetically attached to ceiling and released to trap robbers
Реферат: The anti-theft device, for use in banks etc., comprises a net (5), which is pref. sandwiched between opaque sheets (9) which are uniformly attached to the ceiling (1) above the whole, or a selected area of the bank. The nets (5) can be released upon an attempted bank holdup so that it drops down to trap the robbers. The net (5) is pref fixed to the ceiling (1) at its corners or along its edges via weights. It is held electromagnetically and may be released by relay circuits (10, 11).
Notification device for a surface of a building interior
Номер патента: EP4407577A2. Автор: Martin Paul Robotham,Thomas Greenwood. Владелец: Carrier Corp. Дата публикации: 2024-07-31.