41
William H Havens, Charles M Hammond Jr: Integrated solid state light emitting and detecting array and apparatus employing said array. Welch Allyn, Harris Beach & Wilcox, June 7, 1994: US05319182 (202 worldwide citation)

There is provided an integrated semiconductor source-detector matrix in which solid state photonic diodes are configured as LEDs, disposed on a substrate and coupled to electronic circuits so that the diodes can be individually driven to emit light or to detect light as may be desired. Providing an ...


42
Andrew Longacre Jr: Image data binarization methods enabling optical reader to read fine print indicia. Welch Allyn Data Collection, George S Blasiak, Wall Marjama & Bilinski, June 10, 2003: US06575367 (202 worldwide citation)

In the present invention, a bar code reader captures an initial image map corresponding to a scene, then subjects the initial image map to an interpolation step wherein values for constructed pixels positionally intermediate pixel values of the initial image map are interpolated as a function of the ...


43
Eric D Schwartz, Edward B Hubben, Brian L Jovanovski, Vivian L Hunter, Melvin D McCall, Gerard F Beckhusen: Adjustable illumination system for a barcode scanner. Welch Allyn Data Collection, Wall Marjama & Bilinski, December 26, 2000: US06164544 (196 worldwide citation)

These and other objects of the present invention are attained by apparatus for adjusting the position of a line of light in barcode space that includes a support frame having a rear housing containing a solid state imager and a pair of support arms extending forwardly from the front of the housing. ...


44
Eric G Petersen, Herbert S Weiner: Patient monitoring system. Welch Allyn Protocol, Wall Marjama & Bilinski, September 9, 2003: US06616606 (195 worldwide citation)

A wireless medical telemetry system includes at least one wireless patient monitor configured to monitor a patient by collecting vital signs data from the patient, and a first central station associated with one or more wireless transceivers, and adapted to establish communications with the at least ...


45
Melvin D McCall, Vivian L Hunter, Charles P Barber, William H Havens, Eric Coleman, Michael Ehrhart, Robert J Hennick: Imaging module for optical reader comprising refractive diffuser. Welch Allyn Data Collection, Wall Marjama & Bilinski, August 5, 2003: US06601768 (192 worldwide citation)

The present invention is an imaging module including various optical components and a circuit board, which, in one embodiment, carries essentially an entirety of illumination and aiming LEDs of the module. The module includes a combination of features which result in the size of the module being red ...


46
Eric D Schwartz, Vivian L Hunter, Dennis W McEnery, James L Canale: Method and apparatus for decoding bar code symbols. Welch Allyn, Wall Marjama Bilinski & Burr, November 28, 2000: US06152371 (191 worldwide citation)

A method and apparatus for reading and decoding one-dimensional (1D) bar code symbols. A 1D bar code symbol is imaged by an optical assembly which includes a cubic phase mask that causes the optical transfer function of the optical assembly to remain approximately constant over a range of distances ...


47
Andrew Longacre Jr, Robert M Hussey: Bar code reader configured to read fine print bar code symbols. Welch Allyn, Wall Marjama & Bilinski, December 2, 2003: US06655595 (190 worldwide citation)

In the present invention, a bar code reader captures an initial image map corresponding to a scene, then subjects the initial image map to an interpolation step wherein values for constructed pixels positionally intermediate pixel values of the initial image map are interpolated as a function of the ...


48
Jeffrey B Powers, William H Havens, Thomas W Karpen: Illumination apparatus for optical readers. Welch Allyn, Harris Beach & Wilcox, April 22, 1997: US05623137 (189 worldwide citation)

An apparatus for illuminating an indicia in a sensing region of an object plane. A housing has a median longitudinal vertical plane and a horizontal scanning plane. A reflector for reflecting light directed thereagainst toward the sensing region has a first approximately curvilinear profile in a pla ...


49
James P Welch, Steven D Baker, Farzin G Guilak, Anand Sampath, Daniel L Williams: Personal status physiologic monitor system and architecture and related monitoring methods. Welch Allyn, Hiscock & Barclay, June 3, 2008: US07382247 (188 worldwide citation)

A system for actively monitoring a patient includes at least one body-worn monitoring device that has at least one sensor capable of measuring at least one physiologic parameter and detecting at least one predetermined event. At least one intermediary device is, linked to the body-worn monitoring de ...


50
Eric D Schwartz, Edward B Hubben, Brian L Jovanvoski, Vivian L Hunter, Melvin D McCall: Optical assembly for barcode scanner. Welch Allyn Data Collection, Wall Marjama & Bilinski, August 19, 2003: US06607128 (185 worldwide citation)

The invention is optical assembly for use in a barcode reader that includes a frame having a rear housing and a pair of arms outwardly extended from the housing. An optical card containing an imaging lens is slidably received in a rear guideway situated between the arms. An aperture card is slidably ...