Magnetic proximity interface control

Details Magnetic proximity interface control Magnetic proximity interface control

2005-11-29

2005-11-29

DeBeradinis, Robert L. (Department: 2836)

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

C307S326000

Reexamination Certificate

active

06969928

ABSTRACT:
Disclosed is a system and method employing a magnetic proximity switch to enable the transfer of power between a power supply unit and a docking unit or to transfer data between a docking unit and a peripheral module such as a disk drive or controller module. Power may be transferred through the switch, or a signal from the switch may be employed to enable a control circuit. The control circuit may control a plurality of voltages or currents and may ramp voltages or currents to limit surge current when a module is installed or removed. The control unit may also be employed to place data and control signals in a high impedance state when a module is not docked, limiting electromagnetic radiation.

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patent: 6615301 (2003-09-01), Lee et al.
patent: 6618264 (2003-09-01), Megason et al.
patent: 2003/0154338 (2003-08-01), Boz et al.

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