US 9,810,020 B2
Motorized window treatment
Jason O. Adams, Emmaus, PA (US); Edward J. Blair, Telford, PA (US); Andrew Karl Cooney, Quakertown, PA (US); Soumya Jain, Maharashta (IN); David A. Kirby, Zionsville, PA (US); Stephen Lundy, Coopersburg, PA (US); Justin J. Mierta, Allentown, PA (US); Daniel W. Mistarz, Allentown, PA (US); Robert C. Newman, Jr., Emmaus, PA (US); Peter W. Ogden, Jr., Breinigsville, PA (US); Jonathan L. Roe, Coopersburg, PA (US); Chen Ming Wu, Emmaus, PA (US); Justin M. Zernhelt, New York, NY (US); and Samuel F. Chambers, Gwynedd Valley, PA (US)
Assigned to Lutron Electronics Co., Inc., Coopersburg, PA (US)
Filed by Lutron Electronics Co., Inc., Coopersburg, PA (US)
Filed on Apr. 20, 2015, as Appl. No. 14/690,914.
Application 14/579,024 is a division of application No. 13/415,084, filed on Mar. 8, 2012, granted, now 8,950,461, issued on Feb. 10, 2015.
Application 14/690,914 is a continuation in part of application No. 14/579,024, filed on Dec. 22, 2014.
Claims priority of provisional application 61/451,960, filed on Mar. 11, 2011.
Claims priority of provisional application 61/530,799, filed on Sep. 2, 2011.
Claims priority of provisional application 61/547,319, filed on Oct. 11, 2011.
Prior Publication US 2015/0226001 A1, Aug. 13, 2015
Int. Cl. E06B 9/72 (2006.01); E06B 9/32 (2006.01); E06B 9/322 (2006.01); H04W 52/02 (2009.01); E06B 9/323 (2006.01); E06B 9/42 (2006.01); E06B 9/68 (2006.01); E06B 9/62 (2006.01); E06B 9/262 (2006.01)
CPC E06B 9/72 (2013.01) [E06B 9/32 (2013.01); E06B 9/322 (2013.01); E06B 9/323 (2013.01); E06B 9/42 (2013.01); H04W 52/0238 (2013.01); H04W 52/0245 (2013.01); H04W 52/0277 (2013.01); E06B 9/62 (2013.01); E06B 2009/2625 (2013.01); E06B 2009/6809 (2013.01); E06B 2009/6818 (2013.01); E06B 2009/6872 (2013.01); H04W 52/0287 (2013.01); Y02B 60/50 (2013.01)] 37 Claims
OG exemplary drawing
 
1. A motorized window treatment comprising:
a covering material;
a drive assembly configured to raise and lower the covering material;
a motor drive unit including a motor configured to drive the drive assembly to raise and lower the covering material between a fully-open position and a fully-closed position and to any position intermediate the fully-open and fully-closed positions; and
at least one battery pack configured to hold at least one battery for producing a battery voltage to power the motor drive unit;
wherein the motor drive unit is configured to monitor the magnitude of the battery voltage, the motor drive unit further configured to operate the motor at a reduced motor speed in response to the state of charge being reduced below a first predetermined threshold.