Appl. No. 16/122,811
`Amdt. dated February 18, 2020
`Response to Office Action of December 19, 2019
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`Attorney Docket No.: 090911-1100896
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`AMENDMENTS TO THE CLAIMS
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`This listing of claims will replace all prior versions, and listings of claims in the
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`application.
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`Listing of Claims:
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`1.
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`(Currently Amended) A wireless charging receiver system, comprising:
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`a primary coil formed of a plurality of turns of stranded wire wound about a primary axis
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`and configured to receive wireless power from time-varying magnetic fields generated at a first
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`frequency and in a first direction;
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`a primary ferromagnetic shield disposed on a top surface of the primary coil,
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`a pair of secondary ferromagnetic structures disposed coplanar with one another and
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`positioned apart from the primary ferromagnetic shield, the pair of secondary ferromagnetic
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`structures include a first ferromagnetic structure and a second ferromagnetic structure, and
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`a secondary coil being electrically separated from the primafl coil and including a first
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`sub-coil and a second sub-coil, each sub-coil formed of a plurality of turns of stranded wire
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`wound about a center portion of respective first and second ferromagnetic structures, and
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`configured to receive wireless power from time-varying magnetic fields generated at a second
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`frequency different from the first frequency and in a second direction different from the first
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`direction.
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`2.
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`(Original) The wireless power receiving system of claim 1, wherein the first
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`direction is vertical and the second direction is horizontal.
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`3.
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`(Original) The wireless power receiving system of claim 1, wherein the primary
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`coil has a first central axis that is oriented vertically, and the first sub-coil and the second sub-
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`coil of the secondary coil have second central axes that are oriented horizontally.
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`4.
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`(Original) The wireless power receiving system of claim 1, further comprising an
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`electromagnetic shield disposed on a bottom surface of the primary coil opposite of the top
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`surface.
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`KILPATRICK TOWNSEND 73005047 1
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`Page 2 of 8
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`Appl. No. 16/122,811
`Amdt. dated February 18, 2020
`Response to Office Action of December 19, 2019
`
`Attorney Docket No.: 090911-1100896
`
`5.
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`(Original) The wireless power receiving system of claim 4, wherein the first and
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`second sub-coils are connected in series and wound in the same direction.
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`6.
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`(Original) The wireless power receiving system of claim 5, wherein the first and
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`second sub-coils are separate structures from the first inductor coil.
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`7.
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`(Original) The wireless power receiving system of claim 1, wherein the primary
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`ferromagnetic shield covers an entire circumference of the surface of the primary coil.
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`8.
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`(Original) The wireless power receiving system of claim 7, wherein the primary
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`ferromagnetic shield further covers a side surface of the primary coil adjacent to the top surface.
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`9.
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`(Currently Amended) An electronic device, comprising:
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`a housing including top and bottom portions defining an internal cavity,
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`a wireless receiver system disposed within the internal cavity, the wireless receiver
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`system comprising:
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`a primary coil formed of a plurality of turns of stranded wire wound about a
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`primary aXis and configured to receive wireless power from time-varying magnetic fields
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`generated at a first frequency and in a first direction,
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`a primary ferromagnetic shield disposed on a top surface of the primary coil,
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`a pair of secondary ferromagnetic structures disposed coplanar with one another
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`and positioned apart from the primary ferromagnetic shield, the pair of secondary
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`ferromagnetic structures include a first ferromagnetic structure and a second
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`ferromagnetic structure, and
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`a secondary coil being electrically separated from the primafl coil and including a
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`first sub-coil and a second sub-coil, each sub-coil formed of a plurality of turns of
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`stranded wire wound about a center portion of respective first and second ferromagnetic
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`structures, and configured to receive wireless power from time-varying magnetic fields
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`generated at a second frequency different from the first frequency and in a second
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`direction different from the first direction, and
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`an antenna disposed between at least part of the first—indueter primary coil and the seeenel
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`indueter secondary coil.
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`KILPATRICK TOWNSEND 73005047 1
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`Page 3 of 8
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`Appl. No. 16/122,811
`Amdt. dated February 18, 2020
`Response to Office Action of December 19, 2019
`
`Attorney Docket No.: 090911-1100896
`
`10.
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`(Original) The electronic device of claim 9, wherein the antenna includes an
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`opening and wherein the primary coil is disposed in the opening.
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`11.
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`(Original) The electronic device of claim 9, wherein the secondary coil is
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`positioned on opposite ends of the antenna.
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`12.
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`(Original) The electronic device of claim 9, further comprising:
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`a first external contact disposed on the top portion,
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`a window attached to the bottom portion,
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`a second external contact disposed on the window, and
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`a sensor module disposed within the internal cavity and coupled to the first external
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`contact and the second external contact.
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`13.
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`(Original) The electronic device of claim 12, further comprising a sensor module
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`disposed within the internal cavity and electrically coupled to the first and second external
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`contacts, the sensor module configured to send a signal from the second external contact into an
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`external structure and receive the signal from the first external contact once it has passed through
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`the external structure.
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`14.
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`(Original) The electronic device of claim 9, wherein the primary coil has a first
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`central axis that is oriented vertically, and the secondary coil has a second central axis that is
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`oriented horizontally.
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`15.
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`(Original) The electronic device of claim 9, further comprising an
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`electromagnetic shield disposed on a bottom surface of the primary coil opposite of the top
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`surface.
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`16.
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`(Original) The electronic device of claim 15, wherein the first and second sub-
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`coils are connected in series and wound in the same direction.
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`17.
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`(Original) The electronic device of claim 9, wherein the primary ferromagnetic
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`shield covers an entire circumference of the surface of the primary coil.
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`KILPATRICK TOWNSEND 73005047 1
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`Page 4 of 8
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`Appl. No. 16/122,811
`Amdt. dated February 18, 2020
`Response to Office Action of December 19, 2019
`
`Attorney Docket No.: 090911-1100896
`
`18.
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`(Currently Amended) A wireless charging system, comprising:
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`a wireless charging device comprising a transmitter coil configured to generate time-
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`varying magnetic field at a first frequency;
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`an electronic device capable of receiving power from the wireless charging device, the
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`electronic device comprising:
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`a housing including top and bottom portions defining an internal cavity;
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`a wireless receiver system disposed within the internal cavity, the wireless
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`receiver system comprising:
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`a primary coil formed of a plurality of turns of stranded wire wound about
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`a primary axis and configured to receive wireless power from time-varying
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`magnetic fields generated at a first frequency and in a first direction,
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`a primary ferromagnetic shield disposed on a top surface of the primary
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`coil,
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`a pair of secondary ferromagnetic structures disposed coplanar with one
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`another and positioned apart from the primary ferromagnetic shield, the pair of
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`secondary ferromagnetic structures include a first ferromagnetic structure and a
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`second ferromagnetic structure, and
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`a secondary coil being electrically separated from the primafl coil and
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`including a first sub-coil and a second sub-coil, each sub-coil formed of a
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`plurality of turns of stranded wire wound about a center portion of respective first
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`and second ferromagnetic structures, and configured to receive wireless power
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`from time-varying magnetic fields generated at a second frequency different from
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`the first frequency and in a second direction different from the first direction, and
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`an antenna disposed between at least part of the first inductor coil and the second
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`inductor coil.
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`19.
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`(Original) The wireless charging system of claim 18, wherein the antenna
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`includes an opening and wherein the primary coil is disposed in the opening.
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`20.
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`(Original) The wireless charging system of claim 18, wherein the secondary coil
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`is positioned on opposite ends of the antenna.
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`KILPATRICK TOWNSEND 73005047 1
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`Page 5 of 8
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