Thomas J. Perkowski, Esq., P.C.
Method of illuminating objects during digital image capture operations by mixing visible and invisible spectral illumination energy at point of sale (POS) environments
A method of illuminating objects using adaptively controlled mixing of spectral illumination energy to form and detect digital images of objects at POS environments with sufficiently high image contrast and quality. The method comprises provides, at a POS environment, a digital image capture and processing system having a system housing with an imaging window, and an area-type illumination and imaging station disposed within said system housing, for projecting a coextensive area-type illumination and imaging field (i.e. zone) through said imaging window into a 3D imaging volume during object illumination and imaging operations. As the object is moved through the 3D imaging volume, its motion is automatically detected, and signals indicative of said detected object motion are generated. In response to the generated signals, a first field of visible illumination is produced from an array of visible LEDs, simultaneously with a second field of invisible illumination from a array of infrared (IR) LEDs. These first and second fields of illumination spatially overlap and intermix with each other and are substantially coextensive with the FOV. During object illumination and imaging operations, the relative power ratio (VIS/IR) of these fields of visible illumination and invisible illumination are controlled as one or more digital images of said illuminated object are formed and detected, captured and buffered, and ultimately processed so as to read one or more 1D and/or 2D code symbols graphically represented in the digital images. During object illumination and imaging operations operation, the relative power ratio (VIS/IR) is adaptively controlled to form and detect digital images of objects at POS environments with sufficiently high image contrast and quality.
Metrologic Instruments, Inc.
G A G G G G G G G G G G G G G G G G G G G G G
G06Q A47F G02B G06K G06K G06K G06K G06K G07G G07G G06Q G06K G06K G07G G06K G06K G07G G06V G06K G06K G06K G06K G06K
inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional additional inventional inventional inventional inventional
Anatoly Duane John Patrick Michael Jie Timothy Sean Xi Yong John Ming Tao Mark Steven Nicholas Xiaoxun Mark JiBin C. Harry
Kotlarsky Ellis Furlong Giordano Veksland Ren Good Kearney Tao Liu Gardner Zhuo Xian Schmidt Essinger Ciarlante Zhu Hernandez Liu Knowles