Electrostatic discharge countermeasure for docking cradles with exposed pins that connect to an active interface
First Claim
Patent Images
1. Apparatus comprising:
- a dockable device having a docking connector;
a docking station having an actuator for detecting the presence of the dockable device and having an input-output connector that mates with the docking connector of the dockable device; and
a host computer coupled to the docking station by way of an interface;
and wherein the actuator connects signal lines of the interface to ground when there is no dockable device in the docking station, and wherein the actuator removes the signal lines of the interface connection from ground when the dockable device is docked with the docking station.
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Abstract
Apparatus and methods for disabling a USB or other interface connection between a personal computer and a docking cradle or device until the instant such a connection is actually needed. When the docking cradle is empty, the exposed pins are connected to a conductive ground path or is isolated. When a device is inserted into the docking cradle, the electrical signals that are connected to the personal computer by way of the interface are then switched on.
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Citations
12 Claims
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1. Apparatus comprising:
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a dockable device having a docking connector;
a docking station having an actuator for detecting the presence of the dockable device and having an input-output connector that mates with the docking connector of the dockable device; and
a host computer coupled to the docking station by way of an interface;
and wherein the actuator connects signal lines of the interface to ground when there is no dockable device in the docking station, and wherein the actuator removes the signal lines of the interface connection from ground when the dockable device is docked with the docking station. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method of providing electrostatic discharge countermeasures for a dockable device, comprising the steps of:
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providing a dockable device having a docking connector;
providing a docking station having an input-output connector and an actuator for detecting the presence of the dockable device;
coupling the docking station to a host computer by way of an interface;
when there is no dockable device in the docking station, connecting signal lines of the interface to ground; and
when the dockable device is docked with the docking station, removing the signal lines of the interface from connection to ground. - View Dependent Claims (8, 9, 10, 11, 12)
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Specification