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    • 2. 发明申请
    • CAPACITOR BASED BI-DIRECTIONAL DEGAUSSING DEVICE WITH CHAMBER
    • 基于电容器的具有室的双向降解装置
    • WO2010141446A1
    • 2010-12-09
    • PCT/US2010/036870
    • 2010-06-01
    • OLLIGES, William, E.
    • OLLIGES, William, E.
    • G11B5/024
    • G11B5/0245H01F13/006
    • Disclosed is an apparatus for destroying electronic memory media by use of a bi-directional degaussing device. The degaussing device utilizes an SCR gate controller (Ul) to cause bi-directional polarity from a charged capacitor (Cl) into a sealed chamber containing the magnetic media. The chamber has a movable steel plate cover and floor that encloses the chamber containing magnetic media during the degaussing stage. The cover and floor cause a reflective chamber that focuses and directs the flux level to the magnetic media. The gate controller allows the use of the same capacitor bank to power a coil (Ll) in two different directions to obtain effective degaussing without multiple coils or directional capacitors.
    • 公开了一种通过使用双向消磁装置来破坏电子存储介质的装置。 消磁装置利用SCR栅极控制器(U1)将带电电容器(C1)的双向极性引入到包含磁性介质的密封室中。 该室具有可移动的钢板盖和地板,其在消磁阶段包围包含磁性介质的室。 盖子和地板引起反射室,其聚焦并将磁通量指向磁性介质。 门控制器允许使用相同的电容器组在两个不同的方向上为线圈(L1)供电,以获得没有多个线圈或定向电容器的有效消磁。