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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
申请人： Fitbit, Inc.
发明人： 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分类号： A61B5/0428 , A61B5/00 , A61B5/0408 , H01Q1/50 , H03H7/38
摘要： 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
申请人： Fitbit, Inc.
发明人： Faton Tefiku , Yonghua Wei , Kevin Li , Man-Chi Liu , Lindsey Michelle Sunden , Peter W. Richards , Dennis Jacob McCray , Christos Kinezos Ioannou , Kyung Nim Noh
摘要： 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
申请人： Fitbit, Inc.
发明人： Yonghua Wei , Faton Tefiku , Christos Kinezos Ioannou , Kevin Li
IPC分类号： 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
摘要： 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：US11504043B2
公开(公告)日：2022-11-22
申请号：US17072561
申请日：2020-10-16
申请人： Fitbit, Inc.
发明人： Yonghua Wei , Faton Tefiku , Kevin Li , Man-Chi Liu , Lindsey Michelle Sunden , Peter W. Richards , Dennis Jacob McCray , Christos Kinezos Ioannou , Kyung Nim Noh
摘要： 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：US11950914B2
公开(公告)日：2024-04-09
申请号：US17991458
申请日：2022-11-21
申请人： Fitbit, Inc.
发明人： Faton Tefiku , Yonghua Wei , Kevin Li , Man-Chi Liu , Lindsey Michelle Sunden , Peter W. Richards , Dennis Jacob McCray , Christos Kinezos Ioannou , Kyung Nim Noh
摘要： 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
申请人： Fitbit, Inc.
发明人： Yonghua Wei , Faton Tefiku , Christos Kinezos Ioannou , Kevin Li
摘要： 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
申请人： Fitbit, Inc.
发明人： Yonghua Wei , Faton Tefiku , Christos Kinezos Ioannou , Kevin Li
摘要： 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：US11095048B2
公开(公告)日：2021-08-17
申请号：US16682267
申请日：2019-11-13
申请人： Fitbit, Inc.
发明人： Yonghua Wei , Faton Tefiku , Christos Kinezos Ioannou , Kevin Li
IPC分类号： 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
摘要： 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 slot and patch antenna design to support multiple frequency bands. Other embodiments utilize a slot and inverted “F” antenna (IFA) assembly, hybrid slot antenna assembly, or external slot antenna assembly. A split ring antenna assembly can also be used, where individual segments of the ring antenna can support specific frequency bands. Other embodiments utilize a dielectrically loaded planar inverted “F” antenna (PIFA) assembly to support various frequency bands.
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公开(公告)号：US20210137439A1
公开(公告)日：2021-05-13
申请号：US17072561
申请日：2020-10-16
申请人： Fitbit, Inc.
发明人： Yonghua Wei , Faton Tefiku , Kevin Li , Man-Chi Liu , Lindsey Michelle Sunden , Peter W. Richards , Dennis Jacob McCray , Christos Kinezos Ioannou , Kyung Nim Noh
摘要： 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：US10992029B2
公开(公告)日：2021-04-27
申请号：US16986078
申请日：2020-08-05
申请人： Fitbit, Inc.
发明人： Yonghua Wei , Faton Tefiku , Christos Kinezos Ioannou , Kevin Li
摘要： 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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