×

Coil apparatus of mobile terminal

  • US 9,947,990 B2
  • Filed: 08/23/2013
  • Issued: 04/17/2018
  • Est. Priority Date: 05/15/2013
  • Status: Active Grant
First Claim
Patent Images

1. A coil apparatus of a mobile terminal, comprising:

  • a metal coil;

    an analog switch connected between the metal coil and a wireless charging chip and a signal receiving chip,wherein, the metal coil is embedded, in a flat spiral shape, in an inner side of a rear cover of the mobile terminal,wherein the coil apparatus further comprises a coil connection device which is connected between the metal coil and the analog switch,wherein the analog switch comprises a first analog switch and a second analog switch,wherein input ends of the first analog switch and the second analog switch respectively connect with two ends of the metal coil through the coil connection device, first output ends of the first analog switch and the second analog switch respectively connect with two ends of the wireless charging chip, a second output end of the first analog switch connects with one end of the signal receiving chip, a second output end of the second analog switch is grounded, enable ends of the first analog switch and the second analog switch respectively connect with a base band processing chip.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×