Inventor
CHAPMAN ALEXANDER LLOYD
US5 patents
Patents
5 patentsUS6600151B2Jul 29, 2003
Optical encoder assembly with non-engageable encoder housing and receiver plate comprising a through hole and window
LEXMARK INT INC25 citations91
US6624407B1Sep 23, 2003
Encoder with mask spacer contacting the encoder film
LEXMARK INT INC28 citations89
US11522694B2Dec 6, 2022
Acoustical physically unclonable function (puf) and system
LEXMARK INT INC0 citations60
US11947282B2Apr 2, 2024
Toner level sensing using toner container vibration
LEXMARK INT INC0 citations57
US11947279B2Apr 2, 2024
Material sensing using container vibration
LEXMARK INT INC0 citations57