ELECTRONIC DEVICE CASE

摘要

A protective case for an electronic device is provided. The protective case includes an interface for connecting to a rechargeable battery, a group of display elements, a device interface for electrically interfacing with the electronic device, and an external interface. The protective case also includes electrical circuitry configured to receive electrical power from an external power source through the external interface, exchange communications with the electronic device through the device interface, determine a charge rate for the rechargeable battery of the electronic device based on information received in the communications, and supply a portion of the received electrical power to the electronic device through the device interface if a condition is satisfied.

主权项

1. A protective case for an electronic device, the protective case comprising:
a rechargeable battery; an interface for connecting to the rechargeable battery; a group of display elements; a device interface for electrically interfacing with the electronic device; an external interface; and electrical circuitry configured to:
receive electrical power from an external power source through the external interface;determine a charge state of the rechargeable battery;exchange communications with the electronic device through the device interface to determine a charge state of a rechargeable battery of the electronic device based on information received in the communications;allocate a portion of the received electrical power to the electronic device, a magnitude of the portion based on the determined charge state of the rechargeable battery of the protective case and based on the determined charge state of the rechargeable battery of the electronic device;supply the allocated portion of the received electrical power to the electronic device through the device interface if a condition is satisfied; andsupply a remaining portion of the received electrical power to the rechargeable battery of the protective case.