COMMUNICATIONS SYSTEM PROVIDING DEVICE STATUS INFORMATION BASED UPON NEAR FIELD COMMUNICATION (NFC) AND RELATED METHODS
A communications system may include a first electronic device that may include a display having an array of pixels, each pixel retaining a given state between refreshes and without electrical power supplied thereto, a first near-field communications (NFC) device, and a first controller coupled to the first NFC device and the display. The communications system may also include a second electronic device to be removably coupled with the first electronic device and comprising a second NFC device and a second controller coupled thereto. The second controller may be configured to determine status information related to the first electronic device and communicate the status information to the first controller via the first and second NFC devices. The first controller may be configured to display on the display the status information.
1 . A communications system comprising:
a first electronic device comprising
a display comprising an array of pixels, each pixel retaining a given state between refreshes and without electrical power supplied thereto,
a first near-field communications (NFC) device, and
a first controller coupled to said first NFC device and said display; and
a second electronic device to be removably coupled with said first electronic device and comprising a second NFC device and a second controller coupled thereto and configured to determine status information related to said first electronic device and communicate the status information to said first controller via said first and second NFC devices;
said first controller configured to display on said display the status information.
2 . The communications system of claim 1 , wherein said first electronic device comprises a first electrical connector coupled to said first controller; and wherein said second electronic device comprises a second electrical connector coupled to said second controller and configured to be removably coupled to said first electrical connector.
3 . The communications system of claim 2 , wherein said first electronic device comprises a first housing; wherein said first housing carries said display, said first NFC device, said first controller, and said first electrical connector; wherein said second electronic device comprises a second housing; and wherein said second housing carries said second NFC device, said second controller, and said second electrical connector.
4 . The communications system of claim 1 , wherein said first electronic device further comprises a memory coupled to said first controller; and wherein the status information comprises usage information for said memory.
5 . The communications system of claim 1 , wherein said first electronic device further comprises a power source coupled to said first controller.
6 . The communications system of claim 5 , wherein said power source comprises a battery; and wherein the status information comprises status information of said battery.
7 . The communications system of claim 6 , wherein said battery comprises a rechargeable battery; and wherein said second electronic device comprises a rechargeable battery charger.
8 . The communications system of claim 1 , wherein said first NFC device, said display, and said first controller are configured to be remotely powered.
9 . The communications system of claim 1 , wherein said first electronic device further comprises a substrate supporting said display, said first NFC device, and said first controller; and an adhesive layer carrying said substrate.
10 . The communications system of claim 1 , wherein said second electronic device comprises a second display coupled to said second controller.
11 . An electronic device comprising:
a display comprising an array of pixels, each pixel retaining a given state between refreshes and without electrical power supplied thereto;
a memory;
a first near-field communications (NFC) device configured to receive status information related to said memory communicated from a second NFC device; and
a controller coupled to said first NFC device, said display, and said memory and configured to display on said display the status information.
12 . The electronic device of claim 11 , wherein the status information comprises usage information of said memory.
13 . The electronic device of claim 11 , wherein said first NFC device, said display, and said controller are configured to be remotely powered.
14 . An electronic device comprising:
a display comprising an array of pixels, each pixel retaining a given state between refreshes and without electrical power supplied thereto;
a power source;
a first near-field communications (NFC) device configured to receive status information related to said power source communicated from a second NFC device; and
a controller coupled to said first NFC device, said display, and said power source and configured to display on said display the status information.
15 . The electronic device of claim 14 , wherein said power source comprises a battery; and wherein the status information comprises status information of said battery.
16 . The electronic device of claim 14 , wherein said first NFC device, said display, and said controller are configured to be remotely powered.
17 . An electronic device comprising:
a display comprising an array of pixels, each pixel retaining a given state between refreshes and without electrical power supplied thereto; and
a wireless receiver coupled to said display and configured to receive a wireless signal;
said display being configured to display data thereon based upon the received wireless signal;
said wireless receiver and said display being configured to be powered by a field received by said wireless receiver.
18 . The electronic device of claim 17 , further comprising a substrate supporting said display and said wireless receiver and an adhesive layer carrying said substrate.
19 . The electronic device of claim 17 , wherein said wireless receiver comprises a near-field communications (NFC) receiver.
20 . The electronic device of claim 17 , wherein the electronic device is a standalone device exclusively powered by the wireless signal and the electronic device includes no other power source.
21 . The electronic device of claim 20 further comprising a wireless transmitter powered by the field received by said wireless receiver; and wherein the electronic device further comprises a non-volatile memory for storing image data representative of the display data; and wherein said wireless transmitter is configured to transmit the image data.
22 . A method of displaying status information related to a first electronic device comprising a display comprising an array of pixels, wherein each pixel retains a given state between refreshes and without electrical power supplied thereto, and a first near-field communications (NFC) device for the first electronic device, the method comprising:
determining the status information using a second electronic device to be removably coupled with the first electronic device and comprising a second NFC device;
communicating the status information from the second electronic device to the first electronic device via the first and second NFC devices; and
displaying on the display the status information.
23 . The method of claim 22 , wherein the first electronic device further comprises a memory; and wherein the status information comprises usage information of the memory.
24 . The method of claim 22 , wherein the first electronic device further comprises a power source.
25 . The method of claim 24 , wherein the power source comprises a battery; and wherein the status information comprises status information of said battery.
26 . The method of claim 25 , wherein the battery comprises a rechargeable battery; and wherein the second electronic device comprises a rechargeable battery charger.
27 . The method of claim 22 , further comprising remotely powering the first NFC device, the display, and the first controller.