US 11,862,748 B2
Methods of sperm cell sensing utilizing a semiconductor detector and cytometer apparatus
Frederick Savage, DeForest, WI (US); Glenn J. Szejna, Deforest, WI (US); and Zheng Xia, DeForest, WI (US)
Assigned to ABS Global, Inc., DeForest, WI (US)
Filed by ABS Global, Inc., DeForest, WI (US)
Filed on Feb. 1, 2023, as Appl. No. 18/163,096.
Application 16/822,735 is a division of application No. 16/403,170, filed on May 3, 2019, granted, now 10,763,387, issued on Sep. 1, 2020.
Application 18/163,096 is a continuation of application No. 17/660,556, filed on Apr. 25, 2022, granted, now 11,600,736.
Application 17/660,556 is a continuation of application No. 16/949,941, filed on Nov. 20, 2020, granted, now 11,342,473, issued on May 24, 2022.
Application 16/949,941 is a continuation of application No. 16/822,735, filed on Mar. 18, 2020, granted, now 10,879,416, issued on Dec. 29, 2020.
Application 16/403,170 is a continuation of application No. 16/056,003, filed on Aug. 6, 2018, granted, now 10,333,018, issued on Jun. 25, 2019.
Application 16/056,003 is a continuation of application No. 15/839,073, filed on Dec. 12, 2017, granted, now 10,069,027, issued on Sep. 4, 2018.
Claims priority of provisional application 62/559,336, filed on Sep. 15, 2017.
Prior Publication US 2023/0178678 A1, Jun. 8, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. G01N 15/14 (2006.01); G01N 21/64 (2006.01); G01N 21/00 (2006.01); H01L 31/107 (2006.01); H01L 31/02 (2006.01); H01L 31/024 (2014.01); C12N 5/076 (2010.01); G01J 1/44 (2006.01); G01N 15/10 (2006.01)
CPC H01L 31/1075 (2013.01) [G01N 15/1404 (2013.01); G01N 15/1425 (2013.01); G01N 15/1436 (2013.01); G01N 15/1459 (2013.01); G01N 21/00 (2013.01); G01N 21/645 (2013.01); H01L 31/024 (2013.01); C12N 5/061 (2013.01); C12N 2529/10 (2013.01); G01J 2001/4453 (2013.01); G01N 2015/1006 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A cytometer comprising:
a semiconductor detector;
a switching power supply including a feedback loop;
a filter electrically connected between the switching power supply and the semiconductor detector; and
voltage adjustment circuitry configured to adjust a voltage on the feedback loop based at least in part on a voltage measured between the filter and the semiconductor detector.