11
Michael Ehrhart, Andrew Longacre Jr: Optical reader having a color imager. Welch Allyn Data Collection, Wall Marjama & Bilinski, April 20, 2004: US06722569 (278 worldwide citation)

The present invention relates to an optical reader that includes a color imaging assembly that generates color imaging data. An image analysis circuit determines if the acquired image should be characterized as a color photograph or as including a graphical symbol. A processing circuit processes the ...


12
Andrew Longacre Jr: Method and apparatus for capturing a decodable representation of a 2D bar code symbol using a hand-held reader having a 1D image sensor. Welch Allyn, Wall Marjama & Bilinski, June 30, 1998: US05773806 (276 worldwide citation)

A method and apparatus for capturing and storing a decodable representation of a 1D or 2D bar code symbol using a hand-held bar code reader having only a 1D image sensor. A succession of 1D digital representations are produced as the reader is moved asynchronously across the symbol to be read. These ...


13
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 ...


14
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 ...


15
William H Havens, Charles M Hammond Jr, Robert J Hennick, Robert C Hinkley, Robert J Wood Sr, Tanya A Onori, Thomas W Karpen: Imaging and illumination optics assembly. Welch Allyn, Wall Marjama & Billinski, July 14, 1998: US05780834 (271 worldwide citation)

A low profile optical unit for use in a 2D bar code reader. A vertically disposed light redirecting panel having contoured reflective openings therein is mounted in the front of the unit and an LED behind the panel. Light emitting diodes for illuminating a target are mounted on the LED board behind ...


16
Jimmie B Allred III, Richard Bingham: Ball-and-socket bead endoscope steering section. Welch Allyn, Wall and Roehrig, December 13, 1988: US04790294 (267 worldwide citation)

A steering section for an endoscope or borescope employs a plurality of steering cables that pass through peripheral bores of axially aligned flat washers. Pairs of beads are strung on the cables between the washers to define hinge points for the bending of the steering section. Each pair of beads i ...


17
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 ...


18
Charles M Hammond Jr, William H Havens: Illuminating assembly for use with bar code readers. Welch Allyn, Wall Marjama & Bilinski, March 3, 1998: US05723868 (253 worldwide citation)

An array of reflectors is arranged to approximately match the arrangement of a two-dimensional array of LEDs such as used in a 2-D bar code scanner. Each reflector has at least one reflecting wall for reflecting light from a respective LED, thus increasing the amount of LED light illuminating the ta ...


19
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 ...


20
Charles P Barber, Carl W Gerst III, George S Smith II, Robert M Hussey, Robert Gardiner, Matthew Pankow: Optical reader having partial frame operating mode. Welch Allyn, Wall Marjama & Bilinski, October 28, 2003: US06637658 (252 worldwide citation)

The invention is an optical reader having a 2D image sensor that is configured to operate in a partial frame capture mode. In a partial frame operating mode, the reader clocks out and captures at least one partial frame of image data having image data corresponding to less than all of the pixels of ...