US 9,808,639 B2
Intuitive overlaid readiness indicator for defibrillators
Norman Maurice Delisle, Manchester, MA (US)
Assigned to Koninklijke Philips N.V., Eindhoven (NL)
Appl. No. 14/655,974
Filed by KONINKLIJKE PHILIPS N.V., Eindhoven (NL)
PCT Filed Dec. 17, 2013, PCT No. PCT/IB2013/061010
§ 371(c)(1), (2) Date Jun. 26, 2015,
PCT Pub. No. WO2014/102658, PCT Pub. Date Jul. 3, 2014.
Claims priority of provisional application 61/745,830, filed on Dec. 26, 2012.
Prior Publication US 2015/0335902 A1, Nov. 26, 2015
Int. Cl. G06F 11/32 (2006.01); A61N 1/39 (2006.01); G06F 19/00 (2011.01); G06F 11/30 (2006.01)
CPC A61N 1/3968 (2013.01) [A61N 1/3993 (2013.01); G06F 11/321 (2013.01); G06F 19/3412 (2013.01); A61N 1/3925 (2013.01); G06F 11/30 (2013.01); G06F 11/32 (2013.01); G06F 11/324 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A method for displaying the operating status of a defibrillator, comprising the steps of:
automatically determining a ready-for-use status of the defibrillator in a defibrillator self-test circuit;
providing a positive control signal from the defibrillator self-test circuit responsive to the automatically determining step;
providing a second liquid crystal shutter coaxial with the visual icon and the liquid crystal shutter;
providing a visual display on an external surface of the defibrillator, the visual display including a visual icon which indicates a not-ready-for-use status overlaid by a liquid crystal shutter; and
driving the liquid crystal shutter to an opaque state with the positive control signal,
wherein the liquid crystal shutter includes a transparent visual icon which indicates the ready-for-use status responsive to the driving step.