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公开(公告)号：US10806362B2
公开(公告)日：2020-10-20
申请号：US16457337
申请日：2019-06-28
Applicant: Fitbit, Inc.
Inventor： Yonghua Wei , Faton Tefiku , Kevin Li , Man-Chi Liu , Lindsey Michelle Sunden , Peter W. Richards , Dennis Jacob McCray , Christos Kinezos Ioannou , Kyung Nim Noh
IPC: A61B5/0428 , A61B5/00 , A61B5/0408 , H01Q1/50 , H03H7/38
Abstract: Multiple circuits in a computing device can share one or more conductive elements. The use of the conductive element can vary by circuit, such as an antenna radiator for a radio frequency (RF) circuit or an electrode for an electrocardiography (ECG) circuit. The circuitry sharing a conductive element can utilize signals obtained over different frequency ranges. Those ranges can be used to select decoupling circuitry, or elements, that can enable the respective circuits to obtain signals over a respective frequency range, excluding signals over one or more other frequency ranges corresponding to other circuitry sharing the circuit. Such an approach allows for concurrent independent operation of the circuitry sharing a conductive element.
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公开(公告)号：US20230157610A1
公开(公告)日：2023-05-25
申请号：US17991458
申请日：2022-11-21
Applicant: Fitbit, Inc.
Inventor： Faton Tefiku , Yonghua Wei , Kevin Li , Man-Chi Liu , Lindsey Michelle Sunden , Peter W. Richards , Dennis Jacob McCray , Christos Kinezos Ioannou , Kyung Nim Noh
Abstract: Multiple circuits in a computing device can share one or more conductive elements. The use of the conductive element can vary by circuit, such as an antenna radiator for a radio frequency (RF) circuit or an electrode for an electrocardiography (ECG) circuit. The circuitry sharing a conductive element can utilize signals obtained over different frequency ranges. Those ranges can be used to select decoupling circuitry, or elements, that can enable the respective circuits to obtain signals over a respective frequency range, excluding signals over one or more other frequency ranges corresponding to other circuitry sharing the circuit. Such an approach allows for concurrent independent operation of the circuitry sharing a conductive element.
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公开(公告)号：US10892565B2
公开(公告)日：2021-01-12
申请号：US16682280
申请日：2019-11-13
Applicant: Fitbit, Inc.
Inventor： Yonghua Wei , Faton Tefiku , Christos Kinezos Ioannou , Kevin Li
IPC: G06F1/16 , H05K5/00 , H05K7/00 , H01Q21/30 , H01Q13/18 , H01Q13/16 , H01Q9/04 , H01Q1/27 , H04W4/80 , A61B5/00 , A61B5/11 , H01Q1/38 , H01Q1/48 , H01Q1/52 , H01Q7/00
Abstract: Various antenna designs are presented that can be used to provide for wireless communication in electronic devices, such as wearable electronic devices. Various embodiments provide antenna structures and designs that can support multiple frequency bands in a relatively compact space. Various embodiments utilize a primary conductive ring embedded in the walls of the housing as antennas for various forms of wireless communication. The conductive ring includes a plurality of conductive elements separated from each other by portions of the housing, the plurality of conductive elements coupled respectively to the one or more signal sources on the PCB. Embodiments may additionally utilize a ground extension element positioned a distance away from the primary conductive ring in an opposite direction from the display module, in which the ground extension element is coupled to a ground connection of the PCB and boosting the antenna signal strength.
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公开(公告)号：US20200014098A1
公开(公告)日：2020-01-09
申请号：US16571482
申请日：2019-09-16
Applicant: Fitbit, Inc.
Inventor： Nan Xu , Christos Kinezos Ioannou , Kevin Li , Chadwick John Harber , Eric John Fairbanks , Jonah Avram Becker
Abstract: A band latch mechanism that is configured to connect a wristband to a fitness tracker is provided. The band latch mechanism may be configured to be inserted into a cavity of a housing of the fitness tracker and configured so that any metallic body of the band latch mechanism does not contact metallic surfaces of the cavity in order to prevent an electrical ground from being positioned within a keep-out zone of an antenna of the fitness tracker. A housing with integrated antenna structures is also disclosed.
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公开(公告)号：US10320063B2
公开(公告)日：2019-06-11
申请号：US15842689
申请日：2017-12-14
Applicant: Fitbit, Inc.
Inventor： Yonghua Wei , Kevin Li , Patrick James Markan , Allen Yu-Li Wang , Teemu Taneli Raafael Kaiponen , Christos Kinezos Ioannou
Abstract: A wearable computing device can include a monopole-excited slot antenna formed by a gap between a housing (such as a highly conductive housing) and a bracket (such as a highly conductive bracket) within the highly conductive housing and by a back cavity between the highly conductive bracket and the PCB. The antenna configuration can include a monopole antenna electrically coupled to a printed circuit board and a slot antenna that is excited through coupled electromagnetic fields. The highly conductive bracket is positioned near a display window of the device, mostly below and partially enclosing a battery. The highly conductive bracket is positioned above the printed circuit board. This configuration allows for a relatively small dead band in the display window, a larger battery, compact and mechanically simple configuration, and superior water resistance.
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Patent Agency Ranking
公开(公告)号：US11950914B2
公开(公告)日：2024-04-09
申请号：US17991458
申请日：2022-11-21
Applicant: Fitbit, Inc.
Inventor： Faton Tefiku , Yonghua Wei , Kevin Li , Man-Chi Liu , Lindsey Michelle Sunden , Peter W. Richards , Dennis Jacob McCray , Christos Kinezos Ioannou , Kyung Nim Noh
Abstract: Multiple circuits in a computing device can share one or more conductive elements. The use of the conductive element can vary by circuit, such as an antenna radiator for a radio frequency (RF) circuit or an electrode for an electrocardiography (ECG) circuit. The circuitry sharing a conductive element can utilize signals obtained over different frequency ranges. Those ranges can be used to select decoupling circuitry, or elements, that can enable the respective circuits to obtain signals over a respective frequency range, excluding signals over one or more other frequency ranges corresponding to other circuitry sharing the circuit. Such an approach allows for concurrent independent operation of the circuitry sharing a conductive element.
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公开(公告)号：US11482773B2
公开(公告)日：2022-10-25
申请号：US17219066
申请日：2021-03-31
Applicant: Fitbit, Inc.
Inventor： Yonghua Wei , Faton Tefiku , Christos Kinezos Ioannou , Kevin Li
Abstract: Various antenna designs are presented that can be used to provide for wireless communication in electronic devices, such as wearable electronic devices. Various embodiments provide antenna structures and designs that can support multiple frequency bands in a relatively compact space. Various embodiments utilize a ring antenna forming a portion of an outer perimeter of the housing, the ring antenna including a plurality of connections coupled the PCB, the plurality of connections. The plurality of connections include at least one feed connection coupled to at least one signal source on the PCB, respectively, and at least one ground connection coupled to a ground point on the PCB. In some embodiments, the connections may be inductively or capacitively loaded. The ring antenna may include a single feed connection or multiple feed connections respectively coupled to different signal sources.
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公开(公告)号：US20220085487A1
公开(公告)日：2022-03-17
申请号：US17219066
申请日：2021-03-31
Applicant: Fitbit, Inc.
Inventor： Yonghua Wei , Faton Tefiku , Christos Kinezos Ioannou , Kevin Li
Abstract: Various antenna designs are presented that can be used to provide for wireless communication in electronic devices, such as wearable electronic devices. Various embodiments provide antenna structures and designs that can support multiple frequency bands in a relatively compact space. Various embodiments utilize a ring antenna forming a portion of an outer perimeter of the housing, the ring antenna including a plurality of connections coupled the PCB, the plurality of connections. The plurality of connections include at least one feed connection coupled to at least one signal source on the PCB, respectively, and at least one ground connection coupled to a ground point on the PCB. In some embodiments, the connections may be inductively or capacitively loaded. The ring antenna may include a single feed connection or multiple feed connections respectively coupled to different signal sources.
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公开(公告)号：US10797383B2
公开(公告)日：2020-10-06
申请号：US16571482
申请日：2019-09-16
Applicant: Fitbit, Inc.
Inventor： Nan Xu , Christos Kinezos Ioannou , Kevin Li , Chadwick John Harber , Eric John Fairbanks , Jonah Avram Becker
IPC: H01Q1/27 , H01Q1/24 , A61B5/00 , A44C5/14 , A44C5/00 , G04G21/04 , G04R60/06 , G04B37/14 , G04G17/08 , G04G17/04 , G04G21/02 , H01Q5/30 , A61B5/11 , H01Q21/28
Abstract: A band latch mechanism that is configured to connect a wristband to a fitness tracker is provided. The band latch mechanism may be configured to be inserted into a cavity of a housing of the fitness tracker and configured so that any metallic body of the band latch mechanism does not contact metallic surfaces of the cavity in order to prevent an electrical ground from being positioned within a keep-out zone of an antenna of the fitness tracker. A housing with integrated antenna structures is also disclosed.
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10.发明申请公开(公告)号：US20190260116A1
公开(公告)日：2019-08-22
申请号：US16254395
申请日：2019-01-22
Applicant: Fitbit, Inc.
Inventor： Yonghua Wei , Kevin Li , Patrick James Markan , Allen Yu-Li Wang , Teemu Taneli Raafael Kaiponen , Christos Kinezos Ioannou
Abstract: A wearable computing device can include a monopole-excited slot antenna formed by a gap between a housing (such as a highly conductive housing) and a bracket (such as a highly conductive bracket) within the highly conductive housing and by a back cavity between the highly conductive bracket and the PCB. The antenna configuration can include a monopole antenna electrically coupled to a printed circuit board and a slot antenna that is excited through coupled electromagnetic fields. The highly conductive bracket is positioned near a display window of the device, mostly below and partially enclosing a battery. The highly conductive bracket is positioned above the printed circuit board. This configuration allows for a relatively small dead band in the display window, a larger battery, compact and mechanically simple configuration, and superior water resistance.
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