Storage devices having multi-channel capacitive sensors for detecting gesture based commands
Systems and methods are disclosed for providing multi-channel capacitive sensors for detecting user gestures. In certain embodiments, a data storage device includes a non-volatile memory; a plurality of metal pieces configured to form one or more heat sinks of the data storage device and to form a plurality of capacitive pads of a capacitive sensor configured to detect a user gesture; and a controller configured to: detect a gesture of a user in proximity of the plurality of capacitive pads using the capacitive sensor; and perform a command associated with the data storage device based on the detected gesture.
1 . A data storage device comprising:
a non-volatile memory;
an enclosure, wherein the enclosure comprises a top lid, a bottom lid, and a plurality of side lids;
one or more heat sinks, wherein a portion of the one or more heat sinks are used to form a plurality of capacitive pads of a capacitive sensor configured to detect a user gesture, wherein the one or more heat sinks are embedded along the top lid or the bottom lid and at least one side lid of the plurality of side lids;
a printed circuit board assembly (PCBA) disposed between the top lid and the bottom lid;
one or more pieces of insulating material embedded along the top lid or the bottom lid and at least one side lid of the plurality of side lids, wherein the embedded one or more heat sinks are partitioned into the plurality of capacitive pads using the one or more pieces of insulating material to electrically insulate each of the one or more heat sinks from each other; and
a controller configured to:
detect a gesture of a user in proximity of the plurality of capacitive pads using the capacitive sensor; and
perform a command associated with the data storage device based on the detected gesture.
2 . The data storage device of claim 1 , wherein the capacitive sensor is a multi-channel capacitive sensor.
3 . The data storage device of claim 1 , wherein the lid is made of plastic or another non-conductive material.
4 . The data storage device of claim 1 , wherein the plurality of capacitive pads forms a metal lid of the data storage device.
5 . The data storage device of claim 1 , wherein the gesture is associated with a command to perform an operation relating to Fast Identity Online (FIDO) authentication.
6 . The data storage device of claim 1 , wherein the gesture is associated with a command to perform an operation relating to Bluetooth-based authentication.
7 . The data storage device of claim 1 , wherein the gesture is associated with a command to perform a full file copy of data from the data storage device to a host.
8 . The data storage device of claim 1 , wherein the gesture is associated with a command to perform a full backup of data from a host to the data storage device.
9 . The data storage device of claim 1 , wherein the data storage device includes one or more additional metal layers or metal materials within the data storage device other than the plurality of capacitive pads.
10 . The data storage device of claim 9 , wherein the controller or the capacitive sensor is further configured to perform calibration to determine initial capacitance values of the plurality of capacitive pads in response to the data storage device being coupled to a host.
11 . The data storage device of claim 1 , wherein the data storage device is one or more of: an external solid state drive (SSD), a Universal Serial Bus (USB) flash drive, a Secure Digital (SD) card, or a Micro Secure Digital (uSD) card.
12 . The data storage device of claim 1 , wherein the plurality of capacitive pads is arranged in a row on a surface of the lid of the data storage device.
13 . The data storage device of claim 1 , wherein the plurality of capacitive pads is arranged in a matrix on a surface of the lid of the data storage device, wherein the matrix has multiple rows.
14 . The data storage device of claim 1 , wherein the plurality of capacitive pads is arranged in two or more layers, the two or more layers disposed between the lid and a bottom lid of the data storage device.
15 . A method of processing data requests in a data storage device, the method comprising:
providing a non-volatile memory;
providing an enclosure, wherein the enclosure comprises a top lid, a bottom lid, and a plurality of side lids;
providing one or more heat sinks, wherein a portion of the one or more heat sinks is used to form a plurality of capacitive pads of a capacitive sensor configured to detect a user gesture, wherein the one or more heat sinks are embedded along the top lid or the bottom lid and at least one side lid of the plurality of side lids;
providing a printed circuit board assembly (PCBA) disposed between the top lid and the bottom lid;
providing one or more pieces of insulating material embedded along the top lid or the bottom lid and at least one side lid of the plurality of side lids, wherein the embedded one or more heat sinks are partitioned into the plurality of capacitive pads using the one or more pieces of insulating material to electrically insulate each of the one or more heat sinks from each other;
detecting a gesture of a user in proximity of the plurality of capacitive pads using the capacitive sensor; and
performing a command associated with the data storage device based on the detected gesture.
16 . The method of claim 15 , wherein the capacitive sensor is a multi-channel capacitive sensor.
17 . The method of claim 15 , wherein the lid is made of plastic or another non-conductive material.
18 . The method of claim 15 , wherein the plurality of capacitive pads forms a metal lid of the data storage device.
19 . A data storage device comprising:
a non-volatile memory;
an enclosure, wherein the enclosure comprises a top lid, a bottom lid, and a plurality of side lids;
one or more heat sinks, wherein the one or more heat sinks is used to form a plurality of capacitive pads of a capacitive sensor configured to detect a user gesture, wherein the one or more heat sinks are embedded along the top lid or the bottom lid and at least one side lid of the plurality of side lids;
a printed circuit board assembly (PCBA) disposed between the top lid and the bottom lid;
one or more pieces of insulating material embedded along the top lid or the bottom lid and at least one side lid of the plurality of side lids, wherein the embedded one or more heat sinks are partitioned into the plurality of capacitive pads using the one or more pieces of insulating material to electrically insulate each of the one or more heat sinks from each other; and
a controller means configured to:
detect a gesture of a user in proximity of the plurality of capacitive pads using the capacitive sensor; and
perform a command associated with the data storage device based on the detected gesture.