Electronic device with through-display near field communication capability

• US 9,215,752 B2
• Filed: 07/19/2013
• Issued: 12/15/2015
• Est. Priority Date: 03/11/2013
• Status: Active Grant

• Current Assignee: Google Technology Holdings LLC (Alphabet Inc.)
• Original Assignee: Google Technology Holdings LLC (Alphabet Inc.)
• Inventors: Sai Ananthanarayanan, Peruvemba Raganathan, Asrani, Vijay L., Coles, Katherine H.
• Primary Examiner(s): SIVJI, NIZAR N
• Application Number:
  US13/946,099
• Publication Number:
  US 20140256377A1
• Time in Patent Office: 879 Days
• Field of Search: 455/78, 455/575.1, 455/557, 455/41.2, 343/702, 345/156, 345/501
• US Class Current: 1/1
• CPC Class Codes: H01Q 1/243 with built-in antennas
• CPC Class Codes: H01Q 1/38 formed by a conductive layer on an insulating support patch antennas H01Q9/0407; microstrip dipole antennas H01Q9/065; microstrip slot antennas H01Q13/106; transmission line microstrip antennas H01Q13/206; manufacturing reflecting surfaces using insulating material for supporting the reflecting surface H01Q15/142
• CPC Class Codes: H01Q 1/44 using equipment having another main function to serve additionally as an antenna , e.g. means for giving an antenna an aesthetic aspectH01Q1/27 - H01Q1/34 take precedence
• CPC Class Codes: H01Q 1/521 reducing the coupling between adjacent antennas
• CPC Class Codes: H01Q 7/08 Ferrite rod or like elongated core
• CPC Class Codes: H04W 88/06 adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Abstract

An electronic device (200) includes a control circuit (304) disposed on a substrate (220). The control circuit is operable with a display (509), a near field communication circuit (201) and a wide area communication circuit (302). The near field communication circuit is operable with a near field communication circuit antenna (344). The wide area communication circuit is operable with one or more wide area communication circuit antennas (312). In a housing (511) of the electronic device, the substrate separates the near field communication antenna from the battery and the wide area network communication antenna.

Claims

1. An electronic device, comprising:

a display;

a near field communication circuit comprising a first antenna element;

a wide area network communication circuit comprising a second antenna element;

a substrate, wherein one or more of the near field communication circuit or the wide area network communication circuit is disposed on the substrate; and

a battery to provide power to the substrate, wherein;

the first antenna element is disposed on a first side of the substrate,

both the second antenna element and the battery are disposed on a second side of the substrate different from the first side of the substrate,

the battery is disposed between the second antenna element and the substrate, and

the first antenna element is disposed between the display and the first side of the substrate, and

wherein the display is configured to display a graphical emission indicator at a location of the display corresponding to a portion of the display associated with the first antenna.

2. The electronic device of claim 1, the first antenna element to communicate with a remote device through the display.

3. The electronic device of claim 2, the substrate comprising a printed circuit board.

4. The electronic device of claim 2, further comprising an electrical connector coupling the display to circuitry disposed on the substrate, the electrical connector passing about a side edge of the first antenna element.

5. The electronic device of claim 1, the display defining a first major face of the electronic device, further comprising a rear housing element defining a second major face of the electronic device, the rear housing element being manufactured from metal.

6. The electronic device of claim 1, the substrate comprising a ground plane defining a shield disposed between the first antenna element and the second antenna element.

7. An electronic device, comprising:

a control circuit disposed on a circuit substrate;

a display operable with the control circuit;

a battery to power the electronic device;

a near field communication antenna; and

a wide area network communication antenna, wherein;

the circuit substrate separates the near field communication antenna from the battery and the wide area network communication antenna,

the near field communication antenna is disposed between the circuit substrate and the display, and

the battery is disposed between the wide area network communication antenna and the circuit substrate, and

wherein the display is configured to display a graphical emission indicator at a location of the display corresponding to a portion of the display associated with the near field communication antenna.

8. The electronic device of claim 7, further comprising an electrical connector passing about the near field communication antenna to couple the display to the circuit substrate.

9. The electronic device of claim 7, the near field communication antenna and the wide area network communication antenna disposed in a housing, the housing being metal.

10. The electronic device of claim 7, the circuit substrate comprising a printed circuit board.

11. The electronic device of claim 10, the printed circuit board comprising an electrically conductive layer to shield the near field communication antenna from the wide area network communication antenna.

12. The electronic device of claim 7, the near field communication antenna comprising a ferrite and a coil.