41
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. ...


42
Allan I Krauter, Fred C Cope, John H Bean: Biopsy seal. Welch Allyn, Bruns and Wall, March 17, 1987: US04649904 (196 worldwide citation)


A disposable seal is provided for a luer lock end fitting, e.g. for a biopsy channel of an endoscope. The fitting has a tubular luer lock device and a retaining ring surrounding the tubular device. The seal is unitarily molded of a soft elastomer and has a double seal arrangement formed of an apertu ...


43
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 ...


44
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 ...


45
Eric G Petersen, Herbert S Weiner: Patient monitoring system. Welch Allyn Protocol, Wall Marjama & Bilinski, September 9, 2003: US06616606 (190 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 ...


46
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 ...


47
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 (189 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 ...


48
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 (184 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 ...


49
Thomas W Karpen, William H Havens, Dennis W McEnery, Brian L Jovanovski: Bar code reader for reading high to low contrast bar code symbols. Welch Allyn, Wall Marjama Bilinski & Burr, September 7, 1999: US05949054 (183 worldwide citation)


A bar code reader is provided which can read bar code symbols of varying contrast, from high to medium to low contrast. The bar code reader includes a digitizing circuit which digitizes an analog signal representing the reflectance function of a scanned bar code by comparing the analog signal to a t ...


50
Andrew Longacre Jr, Robert M Husssey: Object sensor system comprising controlled light source. Welch Allyn Data Collection, Wall Marjama & Bilinski, October 2, 2001: US06298175 (182 worldwide citation)


This relates to a system for sensing the presence of an object in the field of view of an imaging assembly of a stationary position optical reader. The system includes a light source disposed in a field of view of the imaging assembly, which is configured to emit light in the direction of the imagin ...



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