Patent 11495875

Prior art

Earlier patents, publications, and products that may anticipate or render the claims unpatentable.

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Prior art

Earlier patents, publications, and products that may anticipate or render the claims unpatentable.

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The USPTO Patent Public Search tool is a web-based search application for patents and patent application publications. I will use the Google Patents database as the primary source for US patent information, as it provides comprehensive details including citations.

US Patent 11495875, titled "Smartphone antenna in flexible PCB," was granted on November 8, 2022, from an application filed on July 13, 2022. It is currently active and is assigned to AQ Corp..

Here are the most relevant prior art references cited in US Patent 11495875, along with their details and potential anticipatory claims:

U.S. Patent Documents:

  1. US20160180120 A1

    • Full Citation: US20160180120A1 - Magnetic secure transmission device hardware.
    • Publication/Filing Date: Published June 23, 2016. The priority date is November 27, 2014.
    • Brief Description: This patent application describes magnetic secure transmission (MST) devices, which can be integrated into mobile devices like smartphones, and discusses hardware for generating magnetic fields for secure transactions. The patent 11495875 itself references US 2016/0180120 A1 as disclosing "magnetic secure transmission as disclosed in US 2016/0180120 A1 entitled “MAGNETIC SECURE TRANSMISSION DEVICE HARDWARE,” the entire disclosure of which is incorporated by reference herein."
    • Potentially Anticipates: Claims related to the function or implementation of Magnetic Secure Transmission (MST) in a smartphone antenna module. Specifically, claims relating to a first coil antenna for MST using a frequency range of 85-100 KHz (e.g., as mentioned in the definitions of the patent 11495875: "the first coil antenna is connected to a first smartphone circuit for magnetic secure transmission (MST) using a frequency range of 85-100 KHz").
  2. US20150242698 A1

    • Full Citation: US20150242698A1 - Wireless power receiver module.
    • Publication/Filing Date: Published August 27, 2015. The priority date is February 25, 2014.
    • Brief Description: This patent application describes wireless power receiver modules that can be integrated into electronic devices, particularly focusing on flexible magnetic sheets and coil arrangements for wireless power reception.
    • Potentially Anticipates: Claims related to a flexible PCB with integrated coil antennas and a magnetic sheet for wireless power charging, especially configurations where coils are arranged around a through-hole or with specific magnetic sheet designs for improved efficiency. Claims related to a second coil antenna functioning as a wireless power charging antenna.
  3. US20150171542 A1

    • Full Citation: US20150171542A1 - Antenna device and portable terminal using the same.
    • Publication/Filing Date: Published June 18, 2015. The priority date is December 13, 2013.
    • Brief Description: This patent application describes an antenna device for a portable terminal that aims to reduce interference from internal components and improve antenna performance. It involves a flexible printed circuit board and a magnetic sheet.
    • Potentially Anticipates: Claims concerning the integration of multiple coil antennas (e.g., NFC, MST) on a flexible PCB with a magnetic sheet, particularly when addressing space limitations and interference within a smartphone. Claims that detail the arrangement of coil segments on different PCB sections and their overlap with magnetic sheet portions (e.g., "a first sheet portion placed over a first PCB section of the flexible PCB while a second sheet portion placed under a second PCB section of the flexible PCB").
  4. US8581729 B2

    • Full Citation: US8581729B2 - Wireless communication apparatus.
    • Publication/Filing Date: Granted November 12, 2013. The filing date is September 12, 2012.
    • Brief Description: This patent describes a wireless communication apparatus, such as an NFC device, which includes a coil antenna and a magnetic body. The patent focuses on improving communication characteristics by optimizing the coil and magnetic body arrangement.
    • Potentially Anticipates: Claims related to NFC antenna design on a flexible PCB, the use of a magnetic sheet in conjunction with such an antenna, and the general concept of optimizing the antenna and magnetic material for wireless communication. Claims that define the relationship between the magnetic sheet and the coils for NFC (e.g., "the second coil antenna is connected to a second smartphone circuit for near field communication (NFC) using 13.56 MHz").
  5. US8493202 B2

    • Full Citation: US8493202B2 - Inductive element with through-hole magnetic core.
    • Publication/Filing Date: Granted July 23, 2013. The filing date is March 1, 2012.
    • Brief Description: This patent describes an inductive element with a magnetic core that features a through-hole, allowing for various configurations in electronic devices.
    • Potentially Anticipates: Claims that involve a flexible PCB with a through-hole and a magnetic sheet passing through it, especially if the magnetic sheet functions as a core for the coil antennas (e.g., "the head portion of the magnetic sheet passes through the through hole").
  6. US8350697 B2

    • Full Citation: US8350697B2 - Loop antenna for mobile communication terminal.
    • Publication/Filing Date: Granted January 8, 2013. The filing date is October 24, 2011.
    • Brief Description: This patent describes a loop antenna for mobile communication terminals that is designed to minimize interference and improve radiation efficiency.
    • Potentially Anticipates: Claims related to the overall antenna structure and its placement within a smartphone to enhance performance, particularly focusing on loop antennas or coiled structures for mobile communication.
  7. US8203400 B2

    • Full Citation: US8203400B2 - Magnetic sheet and antenna using the same.
    • Publication/Filing Date: Granted June 19, 2012. The filing date is January 24, 2011.
    • Brief Description: This patent describes a magnetic sheet and an antenna utilizing it, specifically for improving antenna characteristics, especially in the context of NFC.
    • Potentially Anticipates: Claims detailing the composition and structure of the magnetic sheet (e.g., ferrite, nanocrystal laminate) and its interaction with the coil antennas for enhanced performance.
  8. US7425916 B2

    • Full Citation: US7425916B2 - Loop antenna apparatus and portable electronic device having same.
    • Publication/Filing Date: Granted September 16, 2008. The filing date is January 25, 2007.
    • Brief Description: This patent describes a loop antenna apparatus suitable for portable electronic devices, focusing on a structure that allows for compactness and efficient operation.
    • Potentially Anticipates: Claims related to compact loop antenna designs for portable electronic devices and general principles of integrating antennas into small form factors.
  9. US20080180327 A1

    • Full Citation: US20080180327A1 - Mobile terminal and antenna module thereof.
    • Publication/Filing Date: Published July 31, 2008. The priority date is January 25, 2007.
    • Brief Description: This patent application describes a mobile terminal and an antenna module designed for it, which includes a flexible printed circuit board and a magnetic sheet.
    • Potentially Anticipates: Claims concerning the use of a flexible PCB and a magnetic sheet in an antenna module for a mobile terminal, as well as the general arrangement of these components.
  10. US20070018884 A1

    • Full Citation: US20070018884A1 - RF communication circuit and method of manufacturing the same.
    • Publication/Filing Date: Published January 25, 2007. The priority date is May 16, 2005.
    • Brief Description: This patent application describes an RF communication circuit, including an antenna, and methods for its manufacturing, which can be applied to NFC or other short-range wireless communication.
    • Potentially Anticipates: Claims related to the manufacturing processes of flexible PCBs with integrated antennas for RF communication.
  11. US6982660 B2

    • Full Citation: US6982660B2 - Small size loop antenna for portable terminals.
    • Publication/Filing Date: Granted January 3, 2006. The filing date is February 12, 2003.
    • Brief Description: This patent describes a small-sized loop antenna particularly for portable terminals, designed to be compact.
    • Potentially Anticipates: Claims related to compact loop antenna designs, especially for devices with limited space like smartphones.
  12. US6911929 B2

    • Full Citation: US6911929B2 - Compact antenna for use in a wireless communication terminal.
    • Publication/Filing Date: Granted June 28, 2005. The filing date is September 12, 2003.
    • Brief Description: This patent describes a compact antenna for wireless communication terminals, aiming for efficiency in a small footprint.
    • Potentially Anticipates: General claims related to compact antenna designs for wireless communication terminals.
  13. US6856291 B2

    • Full Citation: US6856291B2 - Magnetic sheet and antenna using same.
    • Publication/Filing Date: Granted February 15, 2005. The filing date is November 1, 2002.
    • Brief Description: This patent describes a magnetic sheet and an antenna that uses the magnetic sheet to improve performance, particularly in compact electronic devices.
    • Potentially Anticipates: Claims relating to the use of a magnetic sheet to enhance antenna performance in a compact form factor.
  14. US6421008 B1

    • Full Citation: US6421008B1 - Inductive element.
    • Publication/Filing Date: Granted July 16, 2002. The filing date is July 26, 2000.
    • Brief Description: This patent describes an inductive element that can be used in various electronic circuits, potentially including antennas.
    • Potentially Anticipates: Broad claims related to inductive elements and their fundamental electrical properties.
  15. US20020080080 A1

    • Full Citation: US20020080080A1 - Coil antenna.
    • Publication/Filing Date: Published June 27, 2002. The priority date is December 20, 2000.
    • Brief Description: This patent application describes a coil antenna design.
    • Potentially Anticipates: General claims related to the fundamental design and function of coil antennas.
  16. US6373347 B1

    • Full Citation: US6373347B1 - Antenna using magnetic body.
    • Publication/Filing Date: Granted April 16, 2002. The filing date is December 17, 1999.
    • Brief Description: This patent describes an antenna that utilizes a magnetic body to improve its characteristics.
    • Potentially Anticipates: Claims related to the use of a magnetic body in conjunction with an antenna for performance enhancement.
  17. US6107923 A

    • Full Citation: US6107923A - Radio frequency identification device.
    • Publication/Filing Date: Granted August 22, 2000. The filing date is September 29, 1997.
    • Brief Description: This patent describes a radio frequency identification (RFID) device, which often includes coil antennas for short-range communication.
    • Potentially Anticipates: Claims related to coil antennas for short-range RF communication, which could encompass NFC principles.
  18. US5781123 A

    • Full Citation: US5781123A - Inductor and method of fabricating same.
    • Publication/Filing Date: Granted July 14, 1998. The filing date is February 12, 1996.
    • Brief Description: This patent describes an inductor and a method for its fabrication.
    • Potentially Anticipates: Basic claims related to the fabrication of inductive elements, which are fundamental to the coil antennas described in US11495875.

Foreign Patent Documents:

  1. JP2004242131 A

    • Full Citation: JP2004242131A - Thin-type coil for short-distance radio communication and IC card.
    • Publication/Filing Date: Published August 26, 2004. The filing date is February 10, 2003.
    • Brief Description: This Japanese patent application describes a thin coil for short-distance radio communication and its application in IC cards, relevant to NFC.
    • Potentially Anticipates: Claims related to thin coil designs for short-distance communication and their integration into compact devices.
  2. KR20040059530 A

    • Full Citation: KR20040059530A - Thin-type coil for short-distance radio communication and IC card.
    • Publication/Filing Date: Published July 7, 2004. The filing date is January 2, 2003.
    • Brief Description: This Korean patent application also describes a thin coil for short-distance radio communication and its use in IC cards, similar to the Japanese reference.
    • Potentially Anticipates: Claims related to thin coil designs for short-distance communication and their integration into compact devices.
  3. KR101036329 B1

    • Full Citation: KR101036329B1 - Antenna device for mobile terminal.
    • Publication/Filing Date: Granted May 18, 2011. The filing date is November 11, 2009.
    • Brief Description: This Korean patent describes an antenna device for a mobile terminal.
    • Potentially Anticipates: General claims related to antenna devices for mobile terminals.
  4. KR101007817 B1

    • Full Citation: KR101007817B1 - Antenna apparatus for mobile terminal.
    • Publication/Filing Date: Granted January 20, 2011. The filing date is May 21, 2009.
    • Brief Description: This Korean patent describes an antenna apparatus for a mobile terminal, similar to KR101036329B1.
    • Potentially Anticipates: General claims related to antenna devices for mobile terminals.
  5. EP2903102 A1

    • Full Citation: EP2903102A1 - Wireless power receiver module.
    • Publication/Filing Date: Published August 5, 2015. The priority date is February 25, 2014.
    • Brief Description: This European patent application describes a wireless power receiver module, similar to US20150242698 A1, with a flexible magnetic sheet and coil arrangements.
    • Potentially Anticipates: Claims related to a flexible PCB with integrated coil antennas and a magnetic sheet for wireless power charging, especially configurations where coils are arranged around a through-hole or with specific magnetic sheet designs for improved efficiency.
  6. DE102005018659 A1

    • Full Citation: DE102005018659A1 - Chip card with an antenna coil in a flexible circuit board.
    • Publication/Filing Date: Published October 26, 2006. The filing date is April 21, 2005.
    • Brief Description: This German patent application describes a chip card with an antenna coil on a flexible circuit board.
    • Potentially Anticipates: Claims related to flexible PCBs incorporating antenna coils for communication, particularly in compact applications.
  7. CN104332212 A

    • Full Citation: CN104332212A - Wireless charging apparatus and mobile terminal.
    • Publication/Filing Date: Published February 4, 2015. The priority date is July 29, 2013.
    • Brief Description: This Chinese patent application describes a wireless charging apparatus and a mobile terminal incorporating it.
    • Potentially Anticipates: Claims related to wireless charging antennas and their integration into mobile terminals.
  8. CN103890250 A

    • Full Citation: CN103890250A - Mobile terminal and wireless charging antenna thereof.
    • Publication/Filing Date: Published June 25, 2014. The priority date is December 20, 2012.
    • Brief Description: This Chinese patent application describes a mobile terminal and its wireless charging antenna.
    • Potentially Anticipates: Claims related to wireless charging antennas and their integration into mobile terminals.
  9. WO2015030272 A1

    • Full Citation: WO2015030272A1 - WIRELESS POWER RECEIVER MODULE.
    • Publication/Filing Date: Published March 5, 2015. The priority date is August 27, 2013.
    • Brief Description: This international patent application describes a wireless power receiver module, similar to US20150242698 A1 and EP2903102 A1.
    • Potentially Anticipates: Claims related to a flexible PCB with integrated coil antennas and a magnetic sheet for wireless power charging.
  10. WO2013098319 A1

    • Full Citation: WO2013098319A1 - ANTENNA DEVICE AND PORTABLE TERMINAL USING THE SAME.
    • Publication/Filing Date: Published July 4, 2013. The priority date is December 27, 2011.
    • Brief Description: This international patent application describes an antenna device for a portable terminal, similar to US20150171542 A1.
    • Potentially Anticipates: Claims concerning the integration of multiple coil antennas (e.g., NFC, MST) on a flexible PCB with a magnetic sheet, particularly when addressing space limitations and interference within a smartphone.
  11. WO2006093375 A1

    • Full Citation: WO2006093375A1 - MOBILE TERMINAL AND ANTENNA MODULE THEREOF.
    • Publication/Filing Date: Published September 8, 2006. The priority date is February 25, 2005.
    • Brief Description: This international patent application describes a mobile terminal and an antenna module, similar to US20080180327 A1.
    • Potentially Anticipates: Claims concerning the use of a flexible PCB and a magnetic sheet in an antenna module for a mobile terminal.
  12. WO2005036665 A1

    • Full Citation: WO2005036665A1 - INDUCTIVE ELEMENT.
    • Publication/Filing Date: Published April 21, 2005. The priority date is October 15, 2003.
    • Brief Description: This international patent application describes an inductive element.
    • Potentially Anticipates: Broad claims related to inductive elements.
  13. WO2004077636 A1

    • Full Citation: WO2004077636A1 - MAGNETIC SHEET AND ANTENNA USING THE SAME.
    • Publication/Filing Date: Published September 10, 2004. The priority date is February 28, 2003.
    • Brief Description: This international patent application describes a magnetic sheet and an antenna using it, similar to US8203400 B2 and US6856291 B2.
    • Potentially Anticipates: Claims detailing the composition and structure of the magnetic sheet and its interaction with coil antennas.
  14. WO2004068641 A1

    • Full Citation: WO2004068641A1 - SHORT-DISTANCE RADIO COMMUNICATION COIL, AND IC CARD.
    • Publication/Filing Date: Published August 12, 2004. The priority date is January 29, 2003.
    • Brief Description: This international patent application describes a short-distance radio communication coil and an IC card, similar to JP2004242131 A and KR20040059530 A.
    • Potentially Anticipates: Claims related to thin coil designs for short-distance communication and their integration into compact devices.
  15. WO2004028045 A1

    • Full Citation: WO2004028045A1 - PORTABLE DEVICE, AND ANTENNA AND MAGNETIC SHEET USED FOR THE PORTABLE DEVICE.
    • Publication/Filing Date: Published April 1, 2004. The priority date is September 17, 2002.
    • Brief Description: This international patent application describes a portable device, and an antenna and magnetic sheet used for it.
    • Potentially Anticipates: Claims relating to the use of an antenna and magnetic sheet in a portable device.
  16. WO2004028044 A1

    • Full Citation: WO2004028044A1 - PORTABLE DEVICE, AND ANTENNA AND MAGNETIC SHEET USED FOR THE PORTABLE DEVICE.
    • Publication/Filing Date: Published April 1, 2004. The priority date is September 17, 2002.
    • Brief Description: This international patent application describes a portable device, and an antenna and magnetic sheet used for it, similar to WO2004028045 A1.
    • Potentially Anticipates: Claims relating to the use of an antenna and magnetic sheet in a portable device.
  17. WO2004008585 A2

    • Full Citation: WO2004008585A2 - ANTENNA AND NFC MODULE USING THE SAME.
    • Publication/Filing Date: Published January 22, 2004. The priority date is July 10, 2002.
    • Brief Description: This international patent application describes an antenna and an NFC module using it.
    • Potentially Anticipates: Claims specific to NFC antenna designs and their integration into NFC modules.
  18. WO2003001642 A1

    • Full Citation: WO2003001642A1 - INDUCTIVE ELEMENT AND METHOD OF MANUFACTURING THE SAME.
    • Publication/Filing Date: Published January 3, 2003. The priority date is June 25, 2001.
    • Brief Description: This international patent application describes an inductive element and a method of manufacturing it.
    • Potentially Anticipates: Basic claims related to the fabrication of inductive elements.

Generated 5/28/2026, 6:48:25 PM