An electronic device that provides thermal feedback to a user is described. In particular, when the user provides a setting via tactile interaction with a surface of a user-interface device in the electronic device, a thermal mechanism in the electronic device establishes a temperature gradient on t
An electronic device that provides thermal feedback to a user is described. In particular, when the user provides a setting via tactile interaction with a surface of a user-interface device in the electronic device, a thermal mechanism in the electronic device establishes a temperature gradient on the surface based on the setting. For example, the thermal mechanism may include a heat source that increases a temperature of the portion of the user-interface device and/or a heat sink that decreases a temperature of another portion of the user-interface device. Moreover, the thermal mechanism may dynamically modify the temperature gradient based on the tactile interaction and an environmental condition (such as the temperature) in an external environment that includes the electronic device. Note that the tactile interaction with the user may occur with a physical control object (such as a knob) and/or with a virtual icon displayed on a multi-touch display.
대표청구항▼
1. An electronic device, comprising: a user-interface device having a surface that, during operation, receives a user selectable temperature setting to alter temperature of a temperature controlled environment based on tactile interaction with a user of the electronic device; anda thermal mechanism,
1. An electronic device, comprising: a user-interface device having a surface that, during operation, receives a user selectable temperature setting to alter temperature of a temperature controlled environment based on tactile interaction with a user of the electronic device; anda thermal mechanism, thermally coupled to a portion of the user-interface device, which, during operation, establishes a single temperature gradient on the surface based on the temperature setting and a temperature of the temperature controlled environment that includes the electronic device,wherein, during operation, the thermal mechanism dynamically modifies the temperature gradient so that, as the temperature setting is adjusted by the user to exceed and then progressively increase relative to the temperature of the temperature controlled environment, the thermal mechanism increases the temperature gradient, and, as the temperature setting is adjusted by the user to drop below and then progressively decrease relative to the temperature of the temperature controlled environment, the thermal mechanism decreases the temperature gradient, as user temperature setting input feedback. 2. The electronic device of claim 1, wherein the thermal mechanism includes a heat source that, during operation, increases a temperature of the portion of the user-interface device. 3. The electronic device of claim 2, wherein the thermal mechanism includes a heat sink that, during operation, decreases a temperature of another portion of the user-interface device, which is different that the portion of the user-interface device. 4. The electronic device of claim 1, wherein the thermal mechanism includes a heat sink that, during operation, decreases a temperature of the portion of the user-interface device. 5. The electronic device of claim 1, wherein the user-interface device has a thermal time constant that allows the temperature gradient to be established while the user interacts with the user-interface device. 6. The electronic device of claim 1, wherein the tactile interaction includes changing the temperature setting of the electronic device using the user-interface device. 7. The electronic device of claim 1, wherein the user-interface device includes one of: a touch pad, a multi-touch display, and a knob. 8. The electronic device of claim 1, wherein the electronic device includes a thermostat. 9. The electronic device of claim 1, wherein a thermal impedance of the user-interface device varies over the user-interface device to increase user perception of the temperature gradient. 10. The electronic device of claim 9, wherein the variation in the thermal impedance is associated with different thicknesses of a material in at least one layer in the user-interface device. 11. The electronic device of claim 1, wherein a texture varies over the surface of the user-interface device to increase user perception of the temperature gradient. 12. The electronic device of claim 1, wherein a cross-sectional area of the portion of the user-interface device varies as the user changes the temperature setting using the user-interface device; and wherein the varying cross-sectional area changes a thermal impedance of the portion of the user-interface device to increase user perception of the temperature gradient. 13. The electronic device of claim 1, wherein, at a given time, the thermal mechanism provides a static thermal flux. 14. The electronic device of claim 1, wherein, at a given time during operation, the thermal mechanism establishes the temperature gradient by duty-cycle averaging thermal pulses. 15. The electronic device of claim 1, wherein, during operation, the user-interface device can be rotated about an axis; and wherein a rotational resistance of the user-interface device varies as the user rotates the user-interface device between end rotation positions associated with extrema of temperature settings defined using the user-interface device. 16. The electronic device of claim 15, wherein the rotational resistance varies continuously as the user-interface device is rotated between the end rotation positions. 17. The electronic device of claim 15, wherein the rotational resistance varies when the user-interface device is rotated in proximity to the end rotation positions. 18. The electronic device of claim 15, wherein the rotation resistance is associated with one or more of: an electromagnet, a ferro-magnet, a phase change of a material, a magnetorheological fluid, and a mechanical stop. 19. An electronic device, comprising: a user-interface device having a surface that, during operation, receives a user selectable temperature setting to alter temperature of a temperature controlled environment based on tactile interaction with a user of the electronic device;a thermal mechanism, thermally coupled to a portion of the user-interface device, which, during operation, establishes a single temperature gradient on the surface based on the temperature setting and a temperature of the temperature controlled environment that includes the electronic device, wherein, during operation, the thermal mechanism dynamically modifies the temperature gradient so that, as the temperature setting is adjusted by the user to exceed and then progressively increase relative to the temperature of the temperature controlled environment, the thermal mechanism increases the temperature gradient, and, as the temperature setting is adjusted by the user to drop below and then progressively decrease relative to the temperature of the temperature controlled environment, the thermal mechanism decreases the temperature gradient, as user temperature setting input feedback; anda control circuit, electrically coupled to the user-interface device, which, during operation, modifies a function of the electronic device to alter temperature of the temperature controlled environment based on the received temperature setting. 20. An electronic-device-implemented method for interacting with a user, wherein the method comprises: receiving a user selectable temperature setting to alter temperature of a temperature controlled environment based on tactile interaction between the user and a surface of a user-interface device in the electronic device; andusing a thermal mechanism in the electronic device to establish a single temperature gradient on the surface based on the temperature setting and a temperature of the temperature controlled environment that includes the electronic device,wherein the thermal mechanism dynamically modifies the temperature gradient so that, as the temperature setting is adjusted by the user to exceed and then progressively increase relative to the temperature of the temperature controlled environment, the thermal mechanism increases the temperature gradient, and, as the temperature setting is adjusted by the user to drop below and then progressively decrease relative to the temperature of the temperature controlled environment, the thermal mechanism decreases the temperature gradient, as user temperature setting input feedback; andwherein the thermal mechanism includes at least one of: a heat source, and a heat sink.
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