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公开(公告)号：US10551798B1
公开(公告)日：2020-02-04
申请号：US15597145
申请日：2017-05-16
Applicant: Apple Inc.
Inventor： Tyler S. Bushnell , Adam T. Clavelle , Christopher M. Werner , Colin M. Ely , Stephen N. Sweet , Sriram Moorthy , Huan Peng
Abstract: A compact crown for an electronic device such as an electronic watch, including a set of wipers capable of determining a rotation angle, rotation direction, or rotation speed, is disclosed. The set of wipers is in contact with at least one resistance member at different angular positions around a rotation axis. The crown may have a group of ground taps disposed along the resistance member and a measured signal may vary based on the position of each wiper as it contacts the at least one resistance member. A compact crown may also include capacitive members and capacitive sensors in order to similarly determine rotation angle, rotation direction, or rotation speed.
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公开(公告)号：US12104929B2
公开(公告)日：2024-10-01
申请号：US16750946
申请日：2020-01-23
Applicant: Apple Inc.
Inventor： Tyler S. Bushnell , Adam T. Clavelle , Christopher M. Werner , Colin M. Ely , Stephen N. Sweet , Sriram Moorthy , Huan Peng
CPC classification number: G01D5/1655 , G01D5/2412 , G04B3/04 , G04G21/00
Abstract: A compact crown for an electronic device such as an electronic watch, including a set of wipers capable of determining a rotation angle, rotation direction, or rotation speed, is disclosed. The set of wipers is in contact with at least one resistance member at different angular positions around a rotation axis. The crown may have a group of ground taps disposed along the resistance member and a measured signal may vary based on the position of each wiper as it contacts the at least one resistance member. A compact crown may also include capacitive members and capacitive sensors in order to similarly determine rotation angle, rotation direction, or rotation speed.
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公开(公告)号：US20210294489A1
公开(公告)日：2021-09-23
申请号：US16827646
申请日：2020-03-23
Applicant: Apple Inc.
Inventor： Xin Li , David D. Dashevsky , Sriram Moorthy
IPC: G06F3/0488 , G04G21/08 , G01B9/02
Abstract: A self-mixing interference sensor may be positioned within an electronic device and may be configured to detect a gesture on a user input surface of the electronic device. A beam of electromagnetic radiation may be emitted from the self-mixing interference sensor toward the user input surface. When an object with a suitable refractive index is not in contact with the user input surface, the beam of electromagnetic radiation may reflect away from the self-mixing interference sensor. When an object with a suitable refractive index is in contact with the user input surface, the beam of electromagnetic radiation may reflect back into the self-mixing interference sensor and may undergo a self-mixing process. A property of the object in contact with the surface of the user input device may be detected by measuring a change in an optical property of the beam of electromagnetic radiation.
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公开(公告)号：US20200159172A1
公开(公告)日：2020-05-21
申请号：US16750946
申请日：2020-01-23
Applicant: Apple Inc.
Inventor： Tyler S. Bushnell , Adam T. Clavelle , Christopher M. Werner , Colin M. Ely , Stephen N. Sweet , Sriram Moorthy , Huan Peng
Abstract: A compact crown for an electronic device such as an electronic watch, including a set of wipers capable of determining a rotation angle, rotation direction, or rotation speed, is disclosed. The set of wipers is in contact with at least one resistance member at different angular positions around a rotation axis. The crown may have a group of ground taps disposed along the resistance member and a measured signal may vary based on the position of each wiper as it contacts the at least one resistance member. A compact crown may also include capacitive members and capacitive sensors in order to similarly determine rotation angle, rotation direction, or rotation speed.
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