| Patent application number | Description | Published |
|---|
| 20080237351 | Image enhancement in imaging system - Image enhancement of symbol targets and non-symbol targets is performed based on the distance to the target, and optionally on the type of target being imaged, by an imaging system to improve reader performance. An axicon and other lenses are preferred to capture light from the target. | 10-02-2008 |
| 20080297767 | Reducing exposure risk in ultraviolet light-based electro-optical systems - In an electro-optical system for reading ultraviolet (UV) light-responsive indicia illuminated by a UV light beam having a wavelength shorter than visible light, safety techniques are described for reducing exposure to the UV light beam to within safe limits. | 12-04-2008 |
| 20090001175 | Control of specular reflection in imaging reader - Electro-optical reading failure to read indicia due to specular reflection in the return light captured by a solid-state imager is prevented. An illuminator illuminates the indicia during reading with illumination light directed from an illuminating light source. In one embodiment, a controller is operative for detecting saturation in a captured image, and for reducing an intensity of the illumination light upon detection of the saturation. In another embodiment, the controller captures the return light in successive frames, and causes the illumination light to illuminate the indicia only during some of the frames. In yet another embodiment, the controller turns the illumination light on and off at a flash rate, and signals a user by changing the flash rate upon detection of the saturation to move a housing that supports the imager, illuminator and controller. | 01-01-2009 |
| 20090047975 | Method for Tracking Location of a Mobile Unit - Location of a mobile unit is determined by a combined probability, derived from a first probability for possible locations based on a current sample of radio signal characteristics and a second probability that a unit has moved from a prior location or probable location to each possible location. | 02-19-2009 |
| 20090166426 | Imaging reader with adaptive focusing for electro-optically reading symbols - An imaging assembly in an imaging reader for electro-optically reading indicia includes a solid-state imager having an array of image sensors, and a focus control element, such as a liquid imaging lens, having a variable transfer function characteristics for capturing, optically modifying and directing return light from the indicia over a field of view onto the imager for processing into an electrical signal indicative of the indicia during a reading mode of operation; and a controller for controlling the imaging assembly to optically modify the return light in accordance with a known transfer function stored in a memory accessible to the controller during a calibration mode of operation prior to the reading mode. | 07-02-2009 |
| 20100127078 | Integrated image quality test for imaging system - An imaging system with in-field image quality testing and reporting features, includes a housing, and a solid-state imager having an array of image sensors supported by the housing for capturing return light from a target located in a range of working distances from the housing in an image capture mode of operation, and for capturing return light from a test pattern positioned at a predetermined position in the range of working distances in a test mode of operation different from the image capture mode. An electrical signal indicative of the captured return light is generated in each mode. A memory is supported by the housing for storing a test program for testing image quality. A controller is supported by the housing for processing the electrical signal in the image capture mode, and for accessing the memory to enable the controller to execute the test program in the test mode to test the image quality of the test pattern imaged by the imaging system, and for reporting test results of the image quality of the test pattern. | 05-27-2010 |
| 20100187315 | Imaging reader and method with combined image data and system data - An imaging reader for, and a method of, imaging targets, include a solid-state imager supported by the reader and having an array of image sensors for capturing return light from a target over a field of view, and for generating image data corresponding to the target; an application specific integrated circuit (ASIC) operatively connected to the imager via an image data bus over which the image data is transmitted from the imager to the ASIC, and via a system bus over which system data for controlling operation of the reader is transmitted, the ASIC being operative for combining the image data and the system data to form combined data; and a controller operatively connected to the ASIC, for receiving and processing the combined data from the ASIC. | 07-29-2010 |
| 20110147459 | AIMING SIGHT FOR A BARCODE READER - An apparatus, system, and method for aiming and reading a target object. The apparatus includes a barcode reader for reading the target object. The apparatus also includes an aiming sight coupled to the barcode reader. The aiming sight is used for aiming the target object and thereby directing the barcode reader to read the target object. The aiming sight can either be used independently or can be used along with an aiming pattern generator present in the barcode reader, in order to read the target object. | 06-23-2011 |
