Patents by Inventor Andrey Konstantinovich Kadashchuk

Andrey Konstantinovich Kadashchuk has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Device for registration of optical holograms on the amorphous molecular semiconductor films
    Patent number: 6998197
    Abstract: This invention relates to the field of holography, in particular to a method and a device for recording optical holograms by means of amorphous molecular semiconductor (AMS) films deposited on a glass substrate pre-covered with a transparent electric conducting sub-layer. More precisely, the invention relates to a method and device for registering optical holograms on AMS-films which operates in such a way that the AMS-films possess the maximum achievable information parameters: Holographic sensitivity, optimal spatial frequency of the transmitted characteristic, band parameters for the spatial frequencies of the transmitted characteristic, “signal-to-noise” ratio in the restored holographic image, reference and object beam intensities ratio during hologram registration, and cycling ability.
    Type: Grant
    Filed: June 18, 2002
    Date of Patent: February 14, 2006
    Assignee: HoloTech A.S.
    Inventors: John Petter Fjeldstad, Irina Evgenievna Fjeldstad, Leonid Mikhailovich Lobanov, Vjacheslav Avtonomovich Pivtorak, Nikolay Georgievich Kuvshinsky, Leonid Ivanovich Kostenko, Andrey Konstantinovich Kadashchuk, Vladimir Petrovich Kushniruk, Valeriy Aleksandrovich Pavlov
  • Device for registration of optical holograms on the amorphous molecular semiconductor films
    Patent number: 6998195
    Abstract: This invention relates to the field of holography, in particular to a method and a device for recording optical holograms by means of amorphous molecular semiconductor (AMS) films deposited on a glass substrate pre-covered with a transparent electric conducting sub-layer. More precisely, the invention relates to a method and device for registering optical holograms on AMS-films which operates in such a way that the AMS-films possess the maximum achievable information parameters: Holographic sensitivity, optimal spatial frequency of the transmitted characteristic, band parameters for the spatial frequencies of the transmitted characteristic, “signal-to-noise” ratio in the restored holographic image, reference and object beam intensities ratio during hologram registration, and cycling ability.
    Type: Grant
    Filed: June 19, 2000
    Date of Patent: February 14, 2006
    Assignee: HoloTech A.S.
    Inventors: John Petter Fjeldstad, Irina Evgenievna Fjeldstad, Leonid Mikhailovich Lobanov, Vjacheslav Avtonomovich Pivtorak, Nikolay Georgievich Kuvshinsky, Leonid Ivanovich Kostenko, Andrey Konstantinovich Kadashchuk, Vladimir Petrovich Kushniruk, Valeriy Aleksandrovich Pavlov
  • Device for registration of optical holograms on the amorphous molecular semiconductor films
    Publication number: 20020155355
    Abstract: This invention relates to the field of holography, in particular to a method and a device for recording optical holograms by means of amorphous molecular semiconductor (AMS) films deposited on a glass substrate pre-covered with a transparent electric conducting sub-layer. More precisely, the invention relates to a method and device for registering optical holograms on AMS-films which operates in such a way that the AMS-films possess the maximum achievable information parameters: Holographic sensitivity, optimal spatial frequency of the transmitted characteristic, band parameters for the spatial frequencies of the transmitted characteristic, “signal-to-noise” ratio in the restored holographic image, reference and object beam intensities ratio during hologram registration, and cycling ability.
    Type: Application
    Filed: June 18, 2002
    Publication date: October 24, 2002
    Applicant: HoloTech a.s
    Inventors: John Petter Fjeldstad, Irina Evgenievna Fjeldstad, Leonid Mikhailovich Lobanov, Vjacheslav Avtonomovich Pivtorak, Nikolay Georgievich Kuvshinsky, Leonid Ivanovich Kostenko, Andrey Konstantinovich Kadashchuk, Vladimir Petrovich Kushniruk, Valeriy Aleksandrovich Pavlov