Actuator for a tactile interface module with haptic feedback
First Claim
1. An actuator for a touch interface module with haptic feedback, configured to be linked to a touch surface suitable for detecting a contact by a user, and suitable for generating a haptic feedback as a function of a detected contact and comprising:
- a frame;
a mobile core cooperating with the frame, the mobile core configured to be driven in movement between extreme positions by electromagnetic actuation means in the mobile core and in the frame, and configured to alternate acceleration and deceleration phases, to drive movement of the touch surface to generate the haptic feedback;
electromagnetic actuation means for driving the mobile core in movement;
fixing elements configured to link the actuator to the touch surface; and
elastic means comprising a first spring and a second spring disposed on opposite sides of the mobile core and coupled to the fixing elements, the elastic means defining a floating rest position of the mobile core in the absence of driving by the actuation means,wherein the fixing elements form a guide for the movement of the mobile core,wherein the elastic means are arranged around said fixing elements, andwherein the floating rest position is a predetermined position along the guide that is implemented by the elastic means.
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Abstract
The invention relates to an actuator for a tactile interface module (1) with haptic feedback, to be connected to a tactile surface (3) that can detect pressure by a user and can generate haptic feedback according to a detected pressure, and comprising: a frame (11); a mobile core (13) cooperating with the frame (11), to be movably driven between end positions in order to generate the haptic feedback; electromagnetic actuating means (15, 17) for movably driving the mobile core (13); fixing elements (23) for connecting the actuator to the tactile surface (3); and elastic means (21) defining an idle position of the mobile core (13) in the absence of the actuating means (15, 17) driving the core, characterized in that the elastic means (21) are arranged around the fixing elements (23).
13 Citations
12 Claims
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1. An actuator for a touch interface module with haptic feedback, configured to be linked to a touch surface suitable for detecting a contact by a user, and suitable for generating a haptic feedback as a function of a detected contact and comprising:
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a frame; a mobile core cooperating with the frame, the mobile core configured to be driven in movement between extreme positions by electromagnetic actuation means in the mobile core and in the frame, and configured to alternate acceleration and deceleration phases, to drive movement of the touch surface to generate the haptic feedback; electromagnetic actuation means for driving the mobile core in movement; fixing elements configured to link the actuator to the touch surface; and elastic means comprising a first spring and a second spring disposed on opposite sides of the mobile core and coupled to the fixing elements, the elastic means defining a floating rest position of the mobile core in the absence of driving by the actuation means, wherein the fixing elements form a guide for the movement of the mobile core, wherein the elastic means are arranged around said fixing elements, and wherein the floating rest position is a predetermined position along the guide that is implemented by the elastic means. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A touch interface module with haptic feedback comprising:
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a touch surface suitable for detecting a contact by a user; and an actuator suitable for generating a haptic feedback as a function of a detected contact and comprising; a frame, a mobile core cooperating with the frame, the mobile core configured to be driven in movement between extreme positions by electromagnetic actuation means in the mobile core and in the frame, and configured to alternate acceleration and deceleration phases, to drive movement of the touch surface to generate the haptic feedback, electromagnetic actuation means for driving the mobile core in movement, fixing elements configured to link the actuator to the touch surface, elastic means comprising a first spring and a second spring disposed on opposite sides of the mobile core and coupled to the fixing elements, the elastic means defining a floating rest position of the mobile core in the absence of driving by the actuation means, wherein the fixing elements form a guide for the movement of the mobile core and the elastic means are arranged around said guide-forming fixing elements, wherein the floating rest position is a predetermined position along the guide that is implemented by the elastic means.
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Specification