Force sensor in an input device
First Claim
Patent Images
1. An input device for use with an electronic device, the input device comprising:
- a cover element;
a compliant layer having a center opening, the compliant layer positioned adjacent and below the cover element;
a fingerprint sensor positioned below the cover element and at least partially in the center opening, the fingerprint sensor configured to capture a fingerprint of a finger as the finger approaches or contacts the cover element; and
a force sensor positioned below the fingerprint sensor and over a support element, the force sensor configured to detect a force input applied to the cover element;
whereinthe compliant layer comprises a first layer, a second layer, and a compliant material positioned between the first layer and the second layer.
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Abstract
An input device can be integrated within an electronic device and/or operably connected to an electronic device through a wired or wireless connection. The input device can include one or more force sensors positioned below a cover element of the input device or an input surface of the electronic device. The input device can include other components and/or functionality, such as a biometric sensor and/or a switch element.
157 Citations
19 Claims
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1. An input device for use with an electronic device, the input device comprising:
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a cover element; a compliant layer having a center opening, the compliant layer positioned adjacent and below the cover element; a fingerprint sensor positioned below the cover element and at least partially in the center opening, the fingerprint sensor configured to capture a fingerprint of a finger as the finger approaches or contacts the cover element; and a force sensor positioned below the fingerprint sensor and over a support element, the force sensor configured to detect a force input applied to the cover element; wherein the compliant layer comprises a first layer, a second layer, and a compliant material positioned between the first layer and the second layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An input device for use with an electronic device, the input device comprising:
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a cover element; one or more first force sensors on a layer having a center opening, the one or more first force sensors positioned adjacent and below the cover element, each first force sensor configured to detect a first force input applied to the cover element; and a second force sensor positioned below the cover element and at least partially in the center opening, the second force sensor configured to detect a second force input applied to the cover element;
whereinat least one of the one or more first force sensors or the second force sensor comprises; a first circuit layer comprising a first set of one or more electrodes; a second circuit layer spaced apart from the first circuit layer and comprising a second set of one or more electrodes, wherein each electrode in the first set is aligned in at least one direction with a respective electrode in the second set to produce one or more capacitors; and a compliant layer positioned between the first circuit layer and the second circuit layer. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18)
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19. An input device for use with an electronic device, the input device comprising:
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a cover element; a compliant layer having a center opening, the compliant layer positioned adjacent and below the cover element; a fingerprint sensor positioned below the cover element and at least partially in the center opening, the fingerprint sensor configured to capture a fingerprint of a finger as the finger approaches or contacts the cover element; and a force sensor positioned below the fingerprint sensor and over a support element, the force sensor configured to detect a force input applied to the cover element; wherein the compliant layer comprises one or more discrete compliant layers.
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Specification