US 11,742,678 B2
System and a method for indicating information representing battery status of an electronic device
Petteri Järvelä, Oulu (FI); Tero Vallius, Oulu (FI); Markku Koskela, Oulu (FI); Markku Kallunki, Oulu (FI); Timo Voutilainen, Oulu (FI); and Sami Pelkonen, Oulu (FI)
Assigned to Oura Health Oy, Oulu (FI)
Filed by Oura Health Oy, Oulu (FI)
Filed on Jul. 20, 2021, as Appl. No. 17/380,907.
Application 17/380,907 is a continuation of application No. 16/396,984, filed on Apr. 29, 2019, granted, now 11,075,538.
Claims priority of application No. 20185418 (FI), filed on May 7, 2018.
Prior Publication US 2021/0351622 A1, Nov. 11, 2021
Int. Cl. H02J 7/00 (2006.01); H02J 50/80 (2016.01); H02J 50/10 (2016.01); G01R 31/382 (2019.01); G06F 1/16 (2006.01); H01M 10/42 (2006.01)
CPC H02J 7/0047 (2013.01) [G01R 31/382 (2019.01); G06F 1/163 (2013.01); H01M 10/425 (2013.01); H02J 7/0048 (2020.01); H02J 50/10 (2016.02); H02J 50/80 (2016.02); H01M 2010/4278 (2013.01); H02J 7/00034 (2020.01); H02J 7/0049 (2020.01)] 20 Claims
OG exemplary drawing
 
1. A wearable electronic device, comprising:
a rechargeable battery;
charging means for wireless charging of the rechargeable battery when the wearable electronic device is connected to a charging unit; and
wireless communication means for communication with the charging unit, the wireless communication means comprising an optical sensor, wherein the wireless communication means is operable to:
detect information representing a battery status of the wearable electronic device; and
communicate, to the charging unit, the detected information representing the battery status by pulsing the optical sensor in accordance with a frequency associated with the battery status.