US 11,733,320 B2
Systems and methods for measuring current output by a photodetector of a wearable sensor unit that includes one or more magnetometers
Stephen Garber, Santa Monica, CA (US); Jerry Leung, Marina Del Rey, CA (US); Ethan Pratt, Santa Clara, CA (US); Hooman Mohseni, Wilmette, IL (US); Jamu Alford, Simi Valley, CA (US); Dakota Blue Decker, Culver City, CA (US); Jeffery Kang Gormley, Chatsworth, CA (US); Michael Henninger, Austin, TX (US); Scott Michael Homan, Culver City, CA (US); Teague Lasser, Los Angeles, CA (US); Micah Ledbetter, Sunnyvale, CA (US); Scott Jeremy Seidman, Glenview, IL (US); and Benjamin Siepser, Los Angeles, CA (US)
Assigned to HI LLC, Los Angeles, CA (US)
Filed by HI LLC, Los Angeles, CA (US)
Filed on Aug. 26, 2021, as Appl. No. 17/412,989.
Application 17/412,989 is a continuation of application No. 16/862,856, filed on Apr. 30, 2020, granted, now 11,131,724.
Claims priority of provisional application 62/967,818, filed on Jan. 30, 2020.
Claims priority of provisional application 62/967,813, filed on Jan. 30, 2020.
Claims priority of provisional application 62/967,797, filed on Jan. 30, 2020.
Claims priority of provisional application 62/967,823, filed on Jan. 30, 2020.
Claims priority of provisional application 62/967,804, filed on Jan. 30, 2020.
Claims priority of provisional application 62/967,803, filed on Jan. 30, 2020.
Claims priority of provisional application 62/967,787, filed on Jan. 30, 2020.
Claims priority of provisional application 62/933,169, filed on Nov. 8, 2019.
Claims priority of provisional application 62/933,160, filed on Nov. 8, 2019.
Claims priority of provisional application 62/933,287, filed on Nov. 8, 2019.
Claims priority of provisional application 62/933,289, filed on Nov. 8, 2019.
Claims priority of provisional application 62/933,288, filed on Nov. 8, 2019.
Claims priority of provisional application 62/933,167, filed on Nov. 8, 2019.
Claims priority of provisional application 62/933,174, filed on Nov. 8, 2019.
Claims priority of provisional application 62/933,170, filed on Nov. 8, 2019.
Claims priority of provisional application 62/842,818, filed on May 3, 2019.
Prior Publication US 2021/0389389 A1, Dec. 16, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. G01R 33/00 (2006.01); G01R 33/032 (2006.01); G01R 33/26 (2006.01); G01R 33/09 (2006.01); H01F 7/20 (2006.01); H01F 27/28 (2006.01); H01F 27/36 (2006.01); H05K 1/18 (2006.01); G01R 33/025 (2006.01); A61B 5/05 (2021.01); A61B 5/00 (2006.01); A61B 5/245 (2021.01)
CPC G01R 33/0082 (2013.01) [A61B 5/0077 (2013.01); A61B 5/05 (2013.01); A61B 5/245 (2021.01); A61B 5/4064 (2013.01); A61B 5/6802 (2013.01); A61B 5/6803 (2013.01); G01R 33/007 (2013.01); G01R 33/0011 (2013.01); G01R 33/0017 (2013.01); G01R 33/0047 (2013.01); G01R 33/025 (2013.01); G01R 33/032 (2013.01); G01R 33/095 (2013.01); G01R 33/26 (2013.01); H01F 7/20 (2013.01); H01F 27/2804 (2013.01); H01F 27/36 (2013.01); H05K 1/18 (2013.01); A61B 2562/0223 (2013.01); A61B 2562/04 (2013.01); A61B 2562/18 (2013.01); A61B 2562/222 (2013.01); A61B 2562/227 (2013.01); H01F 27/2866 (2013.01); H05K 2201/10151 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A controller comprising:
a single clock source configured to generate a single clock signal used to drive one or more components within a plurality of magnetometers; and
a plurality of differential signal measurement circuits configured to measure current output by a photodetector of each of the plurality of magnetometers.