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Holographic Recording

Holographic Recording-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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Optical information recording/reproducing device and holographic recording/reproducing method
Hitachi-lg Data Storage, Inc.
August 17, 2017 - N°20170236543

An optical information recording/reproducing device which reproduces information from an optical information storage medium in which an interference pattern between a signal beam and a reference beam is recorded as page data includes a controller, a laser light source, a split part, an angle variable part, an optical part, a first light detector, and a second light detector, and ...
Holographic windows
Bowater Solar Limited
July 27, 2017 - N°20170212289

We describe a window assembly comprising: a window pane comprising a glass or plastic sheet; and a layer of holographic recording medium attached to said glass or plastic sheet; wherein said layer of holographic recording medium has recorded within the medium a volume hologram configured to direct light incident onto said glass or plastic sheet to propagate within a thickness ...
Holographic recording composition
Dublin Institute Of Technology
May 04, 2017 - N°20170123374

A pressure sensitive holographic recording composition is described wherein the composition comprises diacetone acrylamide, glycerol and citric acid. The composition is capable of recording high diffraction efficiency reflection holograms.
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Holography using a double-end-emitting fiber laser
Empire Technology Development Llc
February 02, 2017 - N°20170031319

In some examples, a system may be configured to generate a holographic image of an object. The system may include a holographic recording medium and a fiber laser. The fiber laser may be configured to generate a first output beam at a first end of an optical fiber of the fiber laser. The fiber laser may be further configured to ...
Holographic memory device
Hitachi-lg Data Storage, Inc.
February 11, 2016 - N°20160041525

To reduce an influence of stray light and stably record/reproduce high-quality data in holographic recording/reproduction. A holographic memory device includes an optical system that guides a reference beam to an optical information recording medium at a desired angle of incidence, a control part that controls the angle of incidence of the reference beam generated in the optical system, ...
Contact lenses with embedded labels
Johnson & Johnson Vision Care, Inc.
January 14, 2016 - N°20160011435

An ophthalmic lens incorporating clearly identifiable, highly visible embedded labels that are not visible to the wearer or others when placed on the eye may be utilized to allow an individual to easily distinguish between the normal state of the lens and the inverted state of the lens as well as serve any number of functions, including acting as a ...
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Holographic interaction device
Microsoft Corporation
April 16, 2015 - N°20150103011

A holographic interaction device is described. In one or more implementations, an input device includes an input portion comprising a plurality of controls that are configured to generate signals to be processed as inputs by a computing device that is communicatively coupled to the controls. The input device also includes a holographic recording mechanism disposed over a surface of the ...
Contact lenses with embedded labels
Johnson & Johnson Vision Care, Inc.
January 29, 2015 - N°20150029459

An ophthalmic lens incorporating clearly identifiable, highly visible embedded labels that are not visible to the wearer or others when placed on the eye may be utilized to allow an individual to easily distinguish between the normal state of the lens and the inverted state of the lens as well as serve any number of functions, including acting as a ...
Novel method of fast fourier transform (fft) analysis using waveform-embedded or waveform-modulated coherent beams and ...
Johnson & Johnson Vision Care, Inc.
January 15, 2015 - N°20150015928

Method of fast fourier transform (fft) analysis for collecting waveforms and other vibrational intelligence and modulating or embedding same into one or more coherent reference beams of an n-dimensional holographic recording device for producing one or more holograms of objects, including singularity points in space. The result provides wholesale differentiation of waveforms distinguishable from others based on their spectral characteristics. ...
Photosensitive material, holographic recording medium and holographic recording method
Johnson & Johnson Vision Care, Inc.
November 27, 2014 - N°20140349218

A photosensitive material includes: a polymer matrix, a radical polymerization monomer and photo-radical polymerization initiator, wherein the polymer matrix has stable nitroxy radical at side chain thereof, wherein a molar ratio of the stable nitroxy radical to the radical polymerization monomer is set within a range of 0. 03 to 0. 25.
Method and apparatus for holographic recording
Johnson & Johnson Vision Care, Inc.
September 25, 2014 - N°20140285863

Provided is a holographic recording method in which an interference fringe between a reference beam and a signal beam, modulated according to information regarding a plurality of hologram pixels, is recorded on a holographic recording medium, the holographic recording method including multiplexing-recording the interference fringe of the plurality of hologram pixels such that at least a part of the interference ...
Holographic storage medium and method of making holographic storage medium
Johnson & Johnson Vision Care, Inc.
July 31, 2014 - N°20140212792

Articles for recording a holographic image are described. The articles include a holographic recording medium having a plurality of surfaces, having a transparent polymeric binder and a photochemically active dye, the holographic recording medium having a holographic image recorded therein formed by exposed areas of the photochemically active dye and unexposed areas of the photochemically active dye; and a first ...
Novel method of fast fourier transform (fft) analysis using waveform-embedded or waveform-modulated coherent beams and ...
Johnson & Johnson Vision Care, Inc.
June 12, 2014 - N°20140160542

Method of fast fourier transform (fft) analysis for collecting waveforms and other vibrational intelligence and modulating or embedding same into one or more coherent reference beams of an n-dimensional holographic recording device for producing one or more holograms of objects, including singularity points in space. The result provides wholesale differentiation of waveforms distinguishable from others based on their spectral characteristics. ...
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Holographic imaging device and method
Johnson & Johnson Vision Care, Inc.
April 24, 2014 - N°20140111609

Technologies are generally described for reproducing holographic images by causing a photo-induced change in the diffractive index of a holographic recording medium. An example device may include a light irradiation unit and a transparent substrate. The light irradiation unit can be configured to transmit a photo-inducing light. Further, the transparent substrate may have a predetermined refractive index and can be ...
Phase mask and holographic recording apparatus employing the same
Johnson & Johnson Vision Care, Inc.
February 27, 2014 - N°20140055830

A phase mask includes a phase modulation layer that modulates a phase of different portions of incident light, differently, such that a different optical phase delay, in a range between 0 and 2π is imparted to different portions of the incident light. A hologram recording apparatus includes a light source; a signal beam optical system that divides a beam emitted ...
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