Inventor
WALKER MARK A
US14 patents
⚠️ This page may combine multiple inventors who share the name “WALKER MARK A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LUTRON ELECTRONICS CO
7 patentsUS7281565B2Oct 16, 2007
System for controlling roller tube rotational speed for constant linear shade speed
LUTRON ELECTRONICS CO59 citations98
US7240716B2Jul 10, 2007
System for coupling roller shade tubes
LUTRON ELECTRONICS CO73 citations96
US7051782B2May 30, 2006
System for coupling roller shade tubes
LUTRON ELECTRONICS CO77 citations96
US7635018B2Dec 22, 2009
System for controlling a roller shade fabric to a desired linear speed
LUTRON ELECTRONICS CO32 citations92
US7537040B2May 26, 2009
Control system for uniform movement of multiple roller shades
LUTRON ELECTRONICS CO28 citations92
US6845806B2Jan 25, 2005
Roller shade weighting assembly
LUTRON ELECTRONICS CO30 citations86
US7063124B2Jun 20, 2006
System for securing a shade fabric to a roller tube
LUTRON ELECTRONICS CO15 citations81
GLENAYRE ELECTRONICS INC
3 patentsUS5920808AJul 6, 1999
Method and apparatus for reducing key-up distortion by pre-heating transistors
GLENAYRE ELECTRONICS INC177 citations96
US5732333AMar 24, 1998
Linear transmitter using predistortion
GLENAYRE ELECTRONICS INC397 citations94
US5694085ADec 2, 1997
High-power amplifier using parallel transistors
GLENAYRE ELECTRONICS INC28 citations92