Patents Assigned to V.L. Engineering, Inc.
  • Reading invisible barcodes and other invisible insignia using physically unmodified smartphone
    Patent number: 9563798
    Abstract: A method and system for enabling a conventional smartphone to read and authenticate an invisible barcode or other invisible insignia printed using an invisible printing ink containing a phosphorescent luminophore, and a software application, without a hardware alteration to the smartphone.
    Type: Grant
    Filed: August 23, 2016
    Date of Patent: February 7, 2017
    Assignee: V.L. Engineering, Inc.
    Inventors: Vadim Laser, Max Burkhart
  • Hand held wireless reading viewer of invisible bar codes
    Patent number: 7516899
    Abstract: Hand held wireless reading viewer for bar codes printed with fluorescing inks that are invisible to the human eye. The reading viewer comprises a portable housing with a window transparent to the excitation and emission wavelengths, an LED or laser diode illuminator module having optical filter and diffuser, an image sensor module with a spectral band limited imaging optics, real time LCD video display, microprocessor with an image acquisition circuit, RF communications port, battery and self-destruct intrusion detector.
    Type: Grant
    Filed: March 6, 2006
    Date of Patent: April 14, 2009
    Assignee: V.L. Engineering, Inc.
    Inventor: Vadim Laser