US 12,455,623 B2
Multiple switching electromyography (EMG) assistive communications device
James E. Schorey, Milford, OH (US); Peter S. Ford, Sydney (AU); and Robert W. Wong, Sydney (AU)
Filed by Control Bionics Limited, Camberwell (AU)
Filed on Dec. 20, 2021, as Appl. No. 17/556,063.
Application 17/556,063 is a continuation in part of application No. 16/192,976, filed on Nov. 16, 2018, granted, now 11,284,844.
Claims priority of provisional application 62/737,070, filed on Sep. 26, 2018.
Claims priority of provisional application 62/587,356, filed on Nov. 16, 2017.
Prior Publication US 2022/0113799 A1, Apr. 14, 2022
Int. Cl. G06F 3/01 (2006.01); G06F 3/0346 (2013.01)
CPC G06F 3/015 (2013.01) [G06F 3/0346 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A method comprising:
receiving a biosignal from a bioelectrical sensor by an electronic processor of a first electrode switch device;
determining a resting threshold, and a first switch threshold, and a second switch threshold, the first switch threshold being greater than the resting threshold and the second switch threshold being greater than the first switch threshold;
monitoring, by the electronic processor, a range of two or more instances within a predefined period of time of a biosignal from a set of electrodes placed on a user at a target muscle site, each instance comprising a first resting level, followed by a switching level that is greater than the first resting level, and second resting level that is less than the switching level;
comparing, by the electronic processor, an amplitude of the biosignal to both: (i) a first switch range defined by the resting threshold and the first switch threshold and (ii) a second switch range that is defined between the resting threshold and the second switch threshold;
in response to determining that the amplitude of the biosignal has changed from less than the first switch range to greater than the first switch range and less than the second switch range, communicating, by the first electrode switch device, a first switch signal to control a human interface device; and
in response to determining that the amplitude of the biosignal has changed from less than the second switch range to greater than the second switch range, performing one of: (i) ignoring the instance and (ii) communicating, by the first electrode switch device, a second switch signal to control the human interface system.