1
Andrew Longacre Jr, Robert M Hussey, Michael A Ehrhart, Thomas J Koziol: Optical reader having improved autodiscrimination features. Welch Allyn, Wall Marjama Bilinski & Burr, October 20, 1998: US05825006 (359 worldwide citation)

A method and apparatus for autodiscriminating and decoding any of a plurality of 1D linear bar code symbols which use different 1D symbologies and of 2D matrix bar code symbols which use different 2D finder patterns and 2D symbologies. A processor stores a plurality of 1D decoding programs, a plural ...


2
Andrew Longacre Jr, Robert M Hussey, Thomas J Koziol, Michael A Ehrhart: Autodiscriminating optical reader. Hand Held Products, Wall Marjama & Bilinski, December 10, 2002: US06491223 (278 worldwide citation)

A method and apparatus for autodiscriminating and decoding any of a plurality of 1D linear bar code symbols which use different 1D symbologies and of 2D matrix bar code symbols which use different 2D finder patterns and 2D symbologies. A processor stores a plurality of 1D decoding programs, a plural ...


3
Robert M Hussey, Andrew Longacre Jr, Michael A Ehrhart, Thomas J Koziol: Optical reader having improved scanning-decoding features. Welch Allyn, Wall Marjama Bilinski & Burr, August 3, 1999: US05932862 (275 worldwide citation)

An optical reading apparatus for scanning and decoding data encoded in any of a plurality of types of 1D and 2D bar code symbols. A scanner generates successive blocks of scan data for storage in a scan memory. The scan memory stores at least one complete block of scan data in one address space ther ...


4
Michael A Ehrhart, Thomas J Koziol, Andrew Longacre Jr, Robert M Hussey: Optical reader having improved menuing features. Welch Allyn, Wall Marjama Bilinski & Burr, July 27, 1999: US05929418 (273 worldwide citation)

An optical reading apparatus which is adapted to operate in the manner indicated by the enabled ones of the parameters stored in a parameter table. A processor stores at least a menuing program and a decoding program. If the apparatus decodes a symbol in accordance with the parameter table and deter ...


5
James A Parker, Michael A Ehrhart: Decoding of real time video imaging. Welch Allyn, Wall Marjama Bilinski & Burr, January 18, 2000: US06015088 (254 worldwide citation)

A process allows an image capturing apparatus to be integrated with a personal computer to continuously display a video image of the imaging apparatus. Upon proper input by a user, or automatically after a timed interval, a snapshot of the video image is captured. An autodiscrimination process of th ...


6
Ynjiun P Wang, Kevin Ahearn, Stephen P Deloge, Michael A Ehrhart, William H Havens, Robert M Hussey, Thomas J Koziol, Jianhua Li, Jingquan Li, James Montoro, Sven M A Powilleit: Indicia reading terminal having spatial measurement functionality. Hand Held Products, Marjama Muldoon Blasiak & Sullivan, June 1, 2010: US07726575 (252 worldwide citation)

There is provided in one embodiment an indicia reading terminal that can execute a spatial measurement mode of operation in which the indicia reading terminal can determine a dimension of an article in a field of view of the indicia reading terminal and/or determine other spatial information. In det ...


7
George S Smith, Michael A Ehrhart: Optical reader having multiple scanning assemblies with simultaneously decoded outputs. Welch Allyn, Wall Marjama Bilinski & Burr, November 30, 1999: US05992744 (252 worldwide citation)

An apparatus and method for reading optically encoded symbols which are of types which are not known in advance and which have significantly different illumination and imaging requirements. The apparatus and method use at least two optical scanning assemblies which have different illumination system ...


8
James A Parker, Jeffrey Pine, Thomas J Koziol, Michael A Ehrhart, Andrew Longacre Jr, Robert M Hussey: Optical reader system comprising local host processor and optical reader. Welch Allyn, Wall Marjama Bilinski & Burr, October 12, 1999: US05965863 (249 worldwide citation)

The invention relates to an optical reading system comprising an optical reader and a host processor which is adapted for reprogramming the reader and for other interactions with the reader. In one aspect of the invention the host processor may be configured to read a parameter table stored in a mem ...


9
Michael A Ehrhart, Andrew Longacre Jr: Optical reader having an imager. Hand Held Products, Heslin Rothenberg Farley & Mesiti P C, September 10, 2013: US08528818 (236 worldwide citation)

There is described a device having a two dimensional imager. The device having a two dimensional image sensor can be a hand held device. Imaging optics can be provided for focusing light reflected from a target onto the two dimensional imager. An image including imaging data can be obtained utilizin ...


10
Andrew Longacre Jr, Robert M Hussey, Thomas J Koziol, Michael A Ehrhart: Bar code reading device for reading 1D or 2D bar code symbols. Hand Held Products, Additon Higgins Pendleton & Ashe P A, December 10, 2013: US08602309 (235 worldwide citation)

The present invention relates to a bar code reading device for reading 1D or 2D bar code symbols. The bar code reading device, in one embodiment, can receive a command to disable symbology reading. In another embodiment, a bar code reading device can have a timercount and an image memory. In one emb ...