HUMAN-COMPUTER INTERFACE SYSTEM
One variation of a system for detecting and responding to touch inputs with haptic feedback includes: a magnetic element rigidly coupled to a chassis; a substrate; a touch sensor interposed between the substrate and a touch sensor surface; an inductor coupled to the substrate below the touch sensor surface and configured to magnetically couple to the magnetic element; a coupler coupling the substrate to the chassis, compliant within a vibration plane approximately parallel to the touch sensor surface, and locating the inductor approximately over the magnetic element; and a controller configured to intermittently polarize the inductor responsive to detection of a touch input on the touch sensor surface to oscillate the substrate in the vibration plane relative to the chassis.
1 . (canceled)
2 . A handheld computer pointing device, comprising:
a movement sensor;
a vibrator; and
a controller in communication with the movement sensor and the vibrator;
the controller being configured to output cursor motion vectors based on movement detected with the movement sensor;
wherein the vibrator includes a magnetic coil.
3 . A handheld computer pointing device of claim 2 , further comprising a magnetic element fastened to a structure of the handheld computer pointing device.
4 . A handheld computer pointing device of claim 1 , wherein the structure is a chassis;
wherein the magnetic coil is mounted to the chassis.
5 . A handheld computer pointing device of claim 2 , wherein the magnetic coil is part of an inductor.
6 . A handheld computer pointing device of claim 2 , wherein the magnetic coil is a single-layer planar spiral coil.
7 . A handheld computer pointing device of claim 2 , wherein the magnetic coil is part of a multi-layer planar spiral coil.
8 . A handheld computer pointing device of claim 2 , further comprising a substrate that contains a touch sensor;
wherein the magnetic coil is mounted to the substrate.
9 . The handheld computer pointing device of claim 8 , wherein the magnetic coil is mounted to the substrate opposite of the touch sensor.
10 . The handheld computer pointing device of claim 8 , further comprising a three-dimensional mouse overlay that defines a control surface on a first side and a cavity on a second side opposite the first side;
wherein the touch sensor is disposed within the cavity.
11 . The handheld computer pointing device of claim 8 , wherein the controller, when triggered, is configured to drive the magnetic coil with an alternating current to output an oscillating magnetic field that magnetically couples to the magnetic element thereby oscillating the substrate.
12 . The handheld computer pointing device of claim 8 , wherein the controller is triggered to drive the magnetic coil in response to a touch input.
13 . The handheld computer pointing device of claim 8 , wherein the magnetic coil is between the touch sensor and the magnetic element.
14 . The handheld computer pointing device of claim 8 , wherein the controller is triggered to drive the magnetic coil in response to a force input.
15 . The handheld computer pointing device of claim 14 , wherein the controller is configured to distinguish between a standard force input and a deep force input.
16 . The handheld computer pointing device of claim 8 , wherein the controller is configured to interpret a touch input as a scroll command.
17 . The handheld computer pointing device of claim 8 , wherein the controller is configured to interpret a touch input as a zoom command.
18 . The handheld computer pointing device of claim 8 , wherein the controller is configured to apply a signal to the magnetic coil to vertically displace the touch sensor.
19 . The handheld computer pointing device of claim 8 , wherein the controller is configured to apply a signal to the magnetic coil to oscillate the touch sensor within a plane approximately parallel to the touch sensor.