Patents by Inventor Abu T. Sayem
Abu T. Sayem has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11990673Abstract: An electronic device comprises a housing, a display stack, a bezel, a solar cell, and a first antenna. The housing includes a bottom wall and a side wall coupled to the bottom wall, the side wall and the bottom wall define a portion of an internal cavity. The display stack includes a display cover and a solar cell configured to output an electric power having a power level corresponding to an intensity of light received by the solar cell. The bezel is coupled to an upper edge of the side wall of the housing, the bezel enclosing the display cover. The solar cell includes a substrate and a photovoltaic layer, the photovoltaic layer including a mesh of electrically conductive material positioned on the substrate and a first opening. The first antenna is formed by the first opening of the photovoltaic layer.Type: GrantFiled: January 25, 2022Date of Patent: May 21, 2024Assignee: Garmin International, Inc.Inventors: Abu T. Sayem, Juhi H. Godhwani, Mohamed Bouchoucha, Jacob T. Zeller, John M. Kenkel, Oliver R. F. Gagliano, Georgios Atmatzakis, Lionel J. Dupuy
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Publication number: 20240111255Abstract: A wrist-worn electronic device comprises a lower housing, an upper housing, a plurality of bezel connectors, a first global navigation satellite system (GNSS) antenna, a second GNSS antenna, and a communication antenna. The lower housing includes a side wall. The upper housing includes a bezel. The bezel connectors each provide an electrical connection to the bezel. The first GNSS antenna is configured to receive a first GNSS wireless signal. The second GNSS antenna is configured to receive a second GNSS wireless signal. The communication antenna is configured to transmit and receive a communication wireless signal. Each antenna is formed from a portion of the circumference of the bezel, a portion of the circumference of the side wall, and two of the bezel connectors.Type: ApplicationFiled: May 5, 2023Publication date: April 4, 2024Inventors: Abu T. Sayem, Tuan Quoc Phan
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Patent number: 11853015Abstract: A wrist-worn electronic device comprises a bezel, an antenna, and an aperture tuning network. The bezel is formed at least partially from electrically conductive material and positioned along a side wall of a housing of the device. The antenna includes a first aperture and a second aperture which are formed by various portions of the bezel. The antenna is configured to operate in one of two operating modes including a dual band mode in which the first aperture receives a first global navigation satellite system (GNSS) wireless signal at a first frequency band and the second aperture receives a second GNSS wireless signal at a second frequency band, and a single band mode in which the first aperture and the second aperture each receive the first GNSS wireless signal. The aperture tuning network has an adjustable configuration wherein adjustment of the adjustable configuration changes the operating mode of the antenna.Type: GrantFiled: March 8, 2021Date of Patent: December 26, 2023Inventors: Georgios Atmatzakis, Abu T. Sayem, Juhi H. Godhwani
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Publication number: 20230187822Abstract: An electronic device comprises a housing, a display stack, a bezel, a solar cell, and a first antenna. The housing includes a bottom wall and a side wall coupled to the bottom wall, the side wall and the bottom wall define a portion of an internal cavity. The display stack includes a display cover and a solar cell configured to output an electric power having a power level corresponding to an intensity of light received by the solar cell. The bezel is coupled to an upper edge of the side wall of the housing, the bezel enclosing the display cover. The solar cell includes a substrate and a photovoltaic layer, the photovoltaic layer including a mesh of electrically conductive material positioned on the substrate and a first opening. The first antenna is formed by the first opening of the photovoltaic layer.Type: ApplicationFiled: January 25, 2022Publication date: June 15, 2023Inventors: Abu T. Sayem, Juhi H. Godhwani, Mohamed Bouchoucha, Jacob T. Zeller, John M. Kenkel, Oliver R. F. Gagliano, Georgios Atmatzakis, Lionel J. Dupuy
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Patent number: 11592577Abstract: A wrist-worn electronic device comprises a housing, a bezel, a location determining element, a communication element, and four antennas. The housing includes a bottom wall contacting a wearer's wrist and a side wall coupled to the bottom wall. The bezel is formed at least partially from electrically conductive material and positioned along an upper edge of the side wall. Two antennas receive a first global navigation satellite system (GNSS) location signals at a first frequency and a second frequency that are used by the location determining element, each antenna including a radiating element formed by a portion of the circumference of the bezel. Two antennas transmit or receive communication protocol wireless signals at a third frequency and a fourth frequency output by or communicated to the communication element, each antenna including a radiating element formed by a portion of the circumference of the bezel.Type: GrantFiled: August 23, 2022Date of Patent: February 28, 2023Inventors: Abu T. Sayem, Juhi H. Godhwani, Georgios Atmatzakis
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Publication number: 20220413163Abstract: A wrist-worn electronic device comprises a housing, a bezel, a location determining element, a communication element, and four antennas. The housing includes a bottom wall contacting a wearer's wrist and a side wall coupled to the bottom wall. The bezel is formed at least partially from electrically conductive material and positioned along an upper edge of the side wall. Two antennas receive a first global navigation satellite system (GNSS) location signals at a first frequency and a second frequency that are used by the location determining element, each antenna including a radiating element formed by a portion of the circumference of the bezel. Two antennas transmit or receive communication protocol wireless signals at a third frequency and a fourth frequency output by or communicated to the communication element, each antenna including a radiating element formed by a portion of the circumference of the bezel.Type: ApplicationFiled: August 23, 2022Publication date: December 29, 2022Inventors: Abu T. Sayem, Juhi H. Godhwani, Georgios Atmatzakis
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Patent number: 11460587Abstract: A wrist-worn electronic device comprises a housing, a bezel, a first frequency band antenna, a second frequency band antenna, and a location determining element. The housing includes a bottom wall contacting a wearer's wrist and a side wall coupled to the bottom wall. The bezel is formed at least partially from electrically conductive material and positioned along an upper edge of the side wall. The first frequency band antenna receives a first global navigation satellite system (GNSS) location signal at a first frequency and includes a radiating element formed by a first portion of a circumference of the bezel. The second frequency band antenna receives a second GNSS location signal at a second frequency and includes a radiating element formed by a second portion of the circumference of the bezel. The location determining element determines a current geolocation of the wrist-worn electronic device based on the first and second GNSS location signals.Type: GrantFiled: February 4, 2020Date of Patent: October 4, 2022Inventors: Abu T. Sayem, Juhi H. Godhwani, Georgios Atmatzakis
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Publication number: 20220283551Abstract: A wrist-worn electronic device comprises a bezel, an antenna, and an aperture tuning network. The bezel is formed at least partially from electrically conductive material and positioned along a side wall of a housing of the device. The antenna includes a first aperture and a second aperture which are formed by various portions of the bezel. The antenna is configured to operate in one of two operating modes including a dual band mode in which the first aperture receives a first global navigation satellite system (GNSS) wireless signal at a first frequency band and the second aperture receives a second GNSS wireless signal at a second frequency band, and a single band mode in which the first aperture and the second aperture each receive the first GNSS wireless signal. The aperture tuning network has an adjustable configuration wherein adjustment of the adjustable configuration changes the operating mode of the antenna.Type: ApplicationFiled: March 8, 2021Publication date: September 8, 2022Inventors: Georgios Atmatzakis, Abu T. Sayem, Juhi H. Godhwani
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Patent number: 11271291Abstract: An electronic device comprises a housing, a frame, a location determining element, and a first antenna. The housing includes an internal cavity, a lower wall configured to contact a wearer's wrist, and a first side wall coupled to the lower wall. The first side wall includes an inner surface. The frame has a second side wall which includes an outer surface. The frame is positioned within the housing such that the internal cavity is formed partly by the lower wall and the second side wall. The location determining element is configured to determine a current geolocation of the electronic device based on a location signal. The first antenna is configured to receive the location signal. The first antenna is positioned between the inner surface of the first side wall and the outer surface of the second side wall and extends along a first portion of the perimeter of the frame.Type: GrantFiled: October 26, 2018Date of Patent: March 8, 2022Inventors: Christopher J. Hanshew, Abu T. Sayem, Yaoxuan Han
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Patent number: 11165469Abstract: Systems and methods for providing high-throughput and reliable operation in WiFi and cellular environments stem in antenna volume-constrained devices employs a switched or multiplexed cellular band antenna to support WiFi MIMO for mobile handheld operation. The device housing may a single, unitary metallic piece having the device antennas formed as part of the housing. Alternatively, one or more antennas may be internal to the device.Type: GrantFiled: June 26, 2015Date of Patent: November 2, 2021Assignee: Motorola Mobility LLCInventors: Abu T Sayem, Mohammed Abdul-Gaffoor, Minh H Duong, Ugur Olgun, Robert E Slater
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Publication number: 20210239847Abstract: A wrist-worn electronic device comprises a housing, a bezel, a first frequency band antenna, a second frequency band antenna, and a location determining element. The housing includes a bottom wall contacting a wearer's wrist and a side wall coupled to the bottom wall. The bezel is formed at least partially from electrically conductive material and positioned along an upper edge of the side wall. The first frequency band antenna receives a first global navigation satellite system (GNSS) location signal at a first frequency and includes a radiating element formed by a first portion of a circumference of the bezel. The second frequency band antenna receives a second GNSS location signal at a second frequency and includes a radiating element formed by a second portion of the circumference of the bezel. The location determining element determines a current geolocation of the wrist-worn electronic device based on the first and second GNSS location signals.Type: ApplicationFiled: February 4, 2020Publication date: August 5, 2021Inventors: Abu T. Sayem, Juhi H. Godhwani, Georgios Atmatzakis
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Patent number: 10971805Abstract: A wrist-worn electronic device configured to transmit and receive wireless signals in two frequency bands comprises a bezel loop antenna, first and second signal processing elements, a diplexer, and a tuning element. The bezel loop antenna has a first impedance and is configured to wirelessly receive first and second electronic signals simultaneously. The first and second signal processing elements process the first electronic signal having a frequency in a first frequency band and the second electronic signal having a frequency in a second frequency band. The diplexer is configured to receive the first and second electronic signals and output the first electronic signal to the first signal processing element and the second electronic signal to the second signal processing element. The tuning element has a second impedance causing the bezel loop antenna to wirelessly receive electronic signals in the first frequency band and electronic signals in the second frequency band.Type: GrantFiled: May 10, 2019Date of Patent: April 6, 2021Inventors: John M. Kenkel, Abu T. Sayem, Ting-Ying Chen
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Patent number: 10944158Abstract: A wrist-worn electronic device comprises a housing, a printed circuit board, a location determining element, a first electrically conductive element, a second electrically conductive element, and a first loop antenna. The housing includes a side wall formed at least in part from an electrically conductive material and including an isolation portion formed from non-conductive material extending from an upper edge of the side wall to a lower edge of the side wall. The printed circuit board retains a first and second signal terminals. The location determining element receives a first electronic signal from the first signal terminal. The first loop antenna is formed by the first electrically conductive element, the second electrically conductive element, a first portion of a perimeter of the side wall, and a first circumferential portion of the printed circuit board.Type: GrantFiled: May 10, 2019Date of Patent: March 9, 2021Inventors: Abu T. Sayem, Toby C. Wilcher
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Patent number: 10916856Abstract: A dual-band antenna assembly for use with an electronic device comprises a substrate and first, second, third, and fourth antenna filar elements. The substrate includes a side wall forming a cylindrical shape. The first, second, third, and fourth antenna filar elements are positioned diagonally on the side wall and equally separated from one another. Each antenna filar element includes a first arm configured to receive wireless signals in a first frequency band and a second arm electrically connected to the first arm, positioned adjacent to the first arm, and configured to receive wireless signals in a second frequency band. The first arm has a length that is greater than a length of the second arm and has a portion which wraps around the second end of the second arm thereby capacitively coupling the portion of the first arm with the second arm.Type: GrantFiled: October 4, 2019Date of Patent: February 9, 2021Inventors: Abu T. Sayem, Henry J. Straub
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Publication number: 20190379122Abstract: A wrist-worn electronic device configured to transmit and receive wireless signals in two frequency bands comprises a bezel loop antenna, first and second signal processing elements, a diplexer, and a tuning element. The bezel loop antenna has a first impedance and is configured to wirelessly receive first and second electronic signals simultaneously. The first and second signal processing elements process the first electronic signal having a frequency in a first frequency band and the second electronic signal having a frequency in a second frequency band. The diplexer is configured to receive the first and second electronic signals and output the first electronic signal to the first signal processing element and the second electronic signal to the second signal processing element. The tuning element has a second impedance causing the bezel loop antenna to wirelessly receive electronic signals in the first frequency band and electronic signals in the second frequency band.Type: ApplicationFiled: May 10, 2019Publication date: December 12, 2019Inventors: John M. Kenkel, Abu T. Sayem, Ting-Ying Chen
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Publication number: 20190379105Abstract: A wrist-worn electronic device comprises a housing, a printed circuit board, a location determining element, a first electrically conductive element, a second electrically conductive element, and a first loop antenna. The housing includes a side wall formed at least in part from an electrically conductive material and including an isolation portion formed from non-conductive material extending from an upper edge of the side wall to a lower edge of the side wall. The printed circuit board retains a first and second signal terminals. The location determining element receives a first electronic signal from the first signal terminal. The first loop antenna is formed by the first electrically conductive element, the second electrically conductive element, a first portion of a perimeter of the side wall, and a first circumferential portion of the printed circuit board.Type: ApplicationFiled: May 10, 2019Publication date: December 12, 2019Inventors: Abu T. Sayem, Toby C. Wilcher
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Patent number: 10484958Abstract: A wrist-worn electronic device includes a lower housing, including a lower surface and a side wall formed of electrically conductive material, an upper housing including a bezel formed of an electrically conductive material, and an antenna formed by a nonconductive slot between the lower and upper housings. The nonconductive slot may be formed between a first portion of a lower surface of the bezel along a circumference of the bezel, a first portion of a top surface of the side wall along a circumference of the side wall, and electrical connections between two electrical ground terminals on the top surface of the side wall and the two electrical ground locations on the lower surface of the bezel. The antenna may be configured to transmit or receive electronic signals to determine a current geographic location or allow wireless communication with other electronic devices.Type: GrantFiled: March 5, 2019Date of Patent: November 19, 2019Assignee: Garmin Switzerland GmbHInventors: Abu T. Sayem, Matthew L. Russell
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Publication number: 20190215794Abstract: A wrist-worn electronic device includes a lower housing, including a lower surface and a side wall formed of electrically conductive material, an upper housing including a bezel formed of an electrically conductive material, and an antenna formed by a nonconductive slot between the lower and upper housings. The nonconductive slot may be formed between a first portion of a lower surface of the bezel along a circumference of the bezel, a first portion of a top surface of the side wall along a circumference of the side wall, and electrical connections between two electrical ground terminals on the top surface of the side wall and the two electrical ground locations on the lower surface of the bezel. The antenna may be configured to transmit or receive electronic signals to determine a current geographic location or allow wireless communication with other electronic devices.Type: ApplicationFiled: March 5, 2019Publication date: July 11, 2019Inventors: Abu T. Sayem, Matthew L. Russell
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Publication number: 20190131696Abstract: An electronic device comprises a housing, a frame, a location determining element, and a first antenna. The housing includes an internal cavity, a lower wall configured to contact a wearer's wrist, and a first side wall coupled to the lower wall. The first side wall includes an inner surface. The frame has a second side wall which includes an outer surface. The frame is positioned within the housing such that the internal cavity is formed partly by the lower wall and the second side wall. The location determining element is configured to determine a current geolocation of the electronic device based on a location signal. The first antenna is configured to receive the location signal. The first antenna is positioned between the inner surface of the first side wall and the outer surface of the second side wall and extends along a first portion of the perimeter of the frame.Type: ApplicationFiled: October 26, 2018Publication date: May 2, 2019Inventors: Christopher J. Hanshew, Abu T. Sayem, Yaoxuan Han
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Patent number: 10271299Abstract: A wrist-worn electronic device includes a lower housing, including a lower surface and a side wall formed of electrically conductive material, an upper housing including a bezel formed of an electrically conductive material, and an antenna formed by a nonconductive slot between the lower and upper housings. The nonconductive slot may be formed between a first portion of a lower surface of the bezel along a circumference of the bezel, a first portion of a top surface of the side wall along a circumference of the side wall, and electrical connections between two electrical ground terminals on the top surface of the side wall and the two electrical ground locations on the lower surface of the bezel. The antenna may be configured to transmit or receive electronic signals to determine a current geographic location or allow wireless communication with other electronic devices.Type: GrantFiled: January 5, 2018Date of Patent: April 23, 2019Assignee: Garmin Switzerland GmbHInventors: Abu T. Sayem, Matthew L. Russell