Inventor
EHRHART MICHAEL A
US44 patents
⚠️ This page may combine multiple inventors who share the name “EHRHART MICHAEL A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HAND HELD PROD INC
23 patentsUS8794522B2Aug 5, 2014
Image capture apparatus and method
HAND HELD PROD INC559 citations99
US7080786B2Jul 25, 2006
Optical reader comprising illumination assembly and solid state image sensor
HAND HELD PROD INC210 citations99
US7077317B2Jul 18, 2006
Bar code reading apparatus having one-dimensional image sensor and digital digitizer
HAND HELD PROD INC191 citations99
US7077321B2Jul 18, 2006
Portable autodiscriminating optical reader
HAND HELD PROD INC247 citations99
US6698656B2Mar 2, 2004
Scanning and decoding control for an optical reader
HAND HELD PROD INC360 citations99
US6491223B1Dec 10, 2002
Autodiscriminating optical reader
HAND HELD PROD INC340 citations99
US7726575B2Jun 1, 2010
Indicia reading terminal having spatial measurement functionality
HAND HELD PROD INC693 citations98
US7637430B2Dec 29, 2009
Picture taking optical reader
HAND HELD PROD INC73 citations98
US7059525B2Jun 13, 2006
Apparatus processing two dimensional image representations for optical reading
HAND HELD PROD INC234 citations98
US6752319B2Jun 22, 2004
Lottery game tickets and methods for making same
HAND HELD PROD INC191 citations98
US6419157B1Jul 16, 2002
Methods for processing security documents
HAND HELD PROD INC168 citations98
US6405929B1Jun 18, 2002
Material detection systems for security documents
HAND HELD PROD INC162 citations98
US7878403B2Feb 1, 2011
Image sensor based optical reader
HAND HELD PROD INC69 citations97
US7533824B2May 19, 2009
Image sensor based optical reader
HAND HELD PROD INC61 citations97
US7104456B2Sep 12, 2006
Reprogrammable optical reader
HAND HELD PROD INC59 citations97
US7546954B2Jun 16, 2009
Bar code reading device for reading 1D or 2D bar code symbols
HAND HELD PROD INC29 citations96
US7387253B1Jun 17, 2008
Optical reader system comprising local host processor and optical reader
HAND HELD PROD INC34 citations96
US7383998B2Jun 10, 2008
Optical reader system comprising host processor and optical reader
HAND HELD PROD INC41 citations96
US7124948B2Oct 24, 2006
Optical reader processing two-dimensional electronic representations
HAND HELD PROD INC47 citations96
US7686222B2Mar 30, 2010
Optical reader having a color imager
HAND HELD PROD INC16 citations93
US7543747B2Jun 9, 2009
Image capture apparatus and method
HAND HELD PROD INC18 citations93
US9076054B2Jul 7, 2015
Image sensor based optical reader
HAND HELD PROD INC13 citations92
US9195868B2Nov 24, 2015
Optical reader having an imager
HAND HELD PROD INC3 citations74
WELCH ALLYN INC
8 patentsUS6015088AJan 18, 2000
Decoding of real time video imaging
WELCH ALLYN INC450 citations99
US5992744ANov 30, 1999
Optical reader having multiple scanning assemblies with simultaneously decoded outputs
WELCH ALLYN INC332 citations99
US5965863AOct 12, 1999
Optical reader system comprising local host processor and optical reader
WELCH ALLYN INC281 citations99
US5932862AAug 3, 1999
Optical reader having improved scanning-decoding features
WELCH ALLYN INC372 citations99
US5929418AJul 27, 1999
Optical reader having improved menuing features
WELCH ALLYN INC364 citations99
US5900613AMay 4, 1999
Optical reader having improved reprogramming features
WELCH ALLYN INC342 citations99
US5825006AOct 20, 1998
Optical reader having improved autodiscrimination features
WELCH ALLYN INC414 citations99
US10617350B2Apr 14, 2020
Method and apparatus for managing a biological condition
WELCH ALLYN INC1 citations63
WELCH ALLYN DATA COLLECTION
4 patentsUS6578766B1Jun 17, 2003
Data structure for an optical reader
WELCH ALLYN DATA COLLECTION183 citations99
US6155491ADec 5, 2000
Lottery game ticket processing apparatus
WELCH ALLYN DATA COLLECTION198 citations99
US6186404B1Feb 13, 2001
Security document voiding system
WELCH ALLYN DATA COLLECTION170 citations98
US6304660B1Oct 16, 2001
Apparatuses for processing security documents
WELCH ALLYN DATA COLLECTION81 citations96
EHRHART MICHAEL A
4 patentsUS8528818B2Sep 10, 2013
Optical reader having an imager
EHRHART MICHAEL A600 citations98
US8292180B2Oct 23, 2012
Optical reader having an imager
EHRHART MICHAEL A18 citations92
US7303134B2Dec 4, 2007
Lottery game tickets and methods for making same
EHRHART MICHAEL A14 citations91
US8439262B2May 14, 2013
Image capture apparatus and method
EHRHART MICHAEL A0 citations52