×

Cascading power for accessories

  • US 9,906,062 B2
  • Filed: 12/08/2015
  • Issued: 02/27/2018
  • Est. Priority Date: 09/07/2012
  • Status: Active Grant
First Claim
Patent Images

1. An accessory comprising:

  • a power module; and

    an ID module including a controller that is coupled to the power module, the accessory configured to;

    send ID information to an upstream charging source in response to receiving a first limited current from the charging source, wherein the ID information comprises information that identifies the accessory;

    receive a charging current greater than the first limited current from the charging source in response to sending the ID information; and

    command the power module to supply a second limited current to a downstream device in response to receiving the charging current from the charging source.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×