Patents Assigned to Inphase Technologies, Inc.
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Publication number: 20070091399Abstract: The present invention provides a method and system for increasing the holographic storage capacity of a holographic recording medium using an irradiance-tailoring (e.g., optical) element by changing the irradiance profile of the modulated object beam (e.g., by imparting motion to an irradiance-tailoring element and/or the holographic recording medium and/or by reconfiguring (e.g., periodically) the phase profile of a stationary irradiance-tailoring (e.g., optical) element) to minimize the effects of fixed-pattern noise buildup from occurring in the holographic recording medium.Type: ApplicationFiled: December 29, 2005Publication date: April 26, 2007Applicant: InPhase Technologies, Inc.Inventors: Benjamin Ihas, Samuel Weaver, Ken Anderson, Aaron Wegner
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Patent number: 7209270Abstract: A holographic storage apparatus for recording data in a holographic medium includes at least one light source for generating a reference beam and a signal beam. The reference beam is preferably a phase beam of unchanging phase content. The apparatus also includes a holographic medium placed in a path of the reference beam and a path of the signal beam. The holographic medium has a first face and both the reference beam and the signal beam enter the holographic medium through the first face. The holographic medium also includes a data reflective surface. The reference beam and the signal beam interfere in the holographic medium to create a hologram only after at least one of the reference beam and the signal beam have reflected off of the data reflective surface.Type: GrantFiled: June 16, 2005Date of Patent: April 24, 2007Assignee: InPhase Technologies, Inc.Inventor: Kevin R. Curtis
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Patent number: 7184383Abstract: A method of determining coordinates for a storage medium includes: determining diffraction data from a plurality of diffraction patterns corresponding to diffractive markers of the medium; and combining the diffraction data to determine composite coordinates for the medium. The composite coordinates may include three translational coordinates and three rotational coordinates. The act of determining diffraction data may include shining a plurality of beams on a selection of the diffractive markers, and measuring the corresponding diffraction patterns in one or more photodetectors to determine the diffraction data. In this latter case the photodetectors may be segmented. The act of combining the diffraction data to determine composite coordinates may include solving a matrix system that couples the diffraction data and the composite coordinates. Each diffractive marker may include a pit. The storage medium may include a holographic storage medium.Type: GrantFiled: January 24, 2003Date of Patent: February 27, 2007Assignee: Inphase Technologies, Inc.Inventors: Mark R. Ayres, Michael J. Lipney, Keith W. Malang, Curt J. Goodknight
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Patent number: 7180644Abstract: Disclosed are holographic storage systems and lenses for holographic storage systems. The lens units can be of a two-component design. The lenses can be used to both record to photorefractive storage media and to read from photorefractive storage media.Type: GrantFiled: September 19, 2002Date of Patent: February 20, 2007Assignee: Inphase Technologies, Inc.Inventors: Jan Hoogland, Kevin Curtis
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Patent number: 7173744Abstract: The present invention relates to an article comprising: a pair of substrates comprising a thermoplastic; a holographic recording medium positioned between the substrates such that the holographic recording medium has at least one exposed area; and an environmental barrier seal protecting the at least one exposed area from environmental degradants; wherein the environmental barrier seal comprises: an inner layer adhered to at least one of the substrates and comprising a thermally meltable adhesive; an outer layer comprising a moisture impervious plastic; and an intermediate layer positioned between the inner and outer layers and comprising an moisture and oxygen impervious metallic foil. The present invention also provides a process for forming such an article.Type: GrantFiled: December 2, 2005Date of Patent: February 6, 2007Assignee: InPhase Technologies, Inc.Inventors: Peter A. Whiteside, Michael C. Cole, Vladimir Krneta, David R. Schoenfeld
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Patent number: 7167286Abstract: Disclosed is a multiplexing method and apparatus that allows holograms to be spatially multiplexed with partial spatial overlap between neighboring stacks of holograms. Each individual stack can additionally take full advantage of an alternate multiplexing scheme such as angle, wavelength, phase code, peristrophic, or fractal multiplexing, for example. An amount equal to the beam waist of the signal beam writing a hologram separates individual stacks of holograms. Upon reconstruction, a hologram and its neighbors will all be readout simultaneously. An filter is placed at the beam waist of the reconstructed data such that the neighbors that are read out are not transmitted to the camera plane. Alternatively, these unwanted reconstructions can be filtered out with an angular filter at an intermediate plane in the optical system that has a limited angular passband.Type: GrantFiled: June 23, 2006Date of Patent: January 23, 2007Assignee: InPhase Technologies, Inc.Inventors: Kenneth E. Anderson, Kevin R. Curtis
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Publication number: 20060291022Abstract: The present invention relates to a system comprising a holographic data storage drive that records holographic digital data in a holographic recording medium, and which comprises: a data beam path having a first optical path length; and a reference beam path having a second optical path length; wherein one of the data beam and reference beams paths comprise an optical delay line so that the difference between the first and second optical path lengths is less than the laser coherence length. The present invention further relates to a method for operating a laser in the holographic data storage drive in a multi-mode state during the recording of holographic digital data the holographic medium without adverse effects on the strength of the interference patterns formed.Type: ApplicationFiled: May 25, 2006Publication date: December 28, 2006Applicant: InPhase Technologies, Inc.Inventors: Ian Redmond, Larry Fabiny, Vladimir Krneta, Brian Riley
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Publication number: 20060291023Abstract: Aspects of the present invention are generally directed to a holographic system. Generally, aspects of the present invention are directed to allocating power of a light beam generated by a coherent light source among the various discrete light beams used in a holographic system. Specifically, a variable optical divider is incorporated into an optical steering subsystem of the holographic memory system to redirect the coherent light beam into one or more discrete light beams, and to dynamically allocate power of the coherent light beam among the discrete light beams.Type: ApplicationFiled: May 25, 2006Publication date: December 28, 2006Applicant: InPhase Technologies, Inc.Inventors: Brian Riley, Ian Redmond, Aaron Wegner
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Publication number: 20060279823Abstract: Methods and systems are provided for obtaining a phase conjugate reconstruction beam for use in retrieving holographic information from a holographic storage medium. These methods and systems include generating a coherent light beam that is a reproduction of the reference beam used in storing the holographic information in the storage medium. This coherent light beam is then directed through the holographic storage medium at the same angle and location of the reference beam during recording of the hologram. The directed coherent beam is then reflected back through the storage medium so that the reflected coherent light beam provides a phase conjugate of the reference beam and passes through the storage medium at the same angle and location that the reference beam passed through the storage medium during recordation of the hologram.Type: ApplicationFiled: May 25, 2006Publication date: December 14, 2006Applicant: InPhase Technologies, Inc.Inventors: Brian Riley, Ken Anderson, Kevin Curtis
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Publication number: 20060279822Abstract: Systems and methods are provided or use with a light source which generates a light beam. These systems may include a detector which detects light beam information and which determines whether multiple modes are present in the light beam so that the light source may be adjusted. These systems may further include a beam splitting device, such as an optical wedge, to provide two sample beams that intersect to provide a fringe pattern. The detector may then detect this fringe pattern and compute a visibility value that may be used to determine whether multiple modes are present.Type: ApplicationFiled: May 25, 2006Publication date: December 14, 2006Applicant: InPhase Technologies, Inc.Inventors: Vladimir Kmeta, Larry Fabiny, Ian Redmond, Brian Riley, Aaron Wegner, Susan Hunter
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Publication number: 20060280096Abstract: The present invention relates to embodiments of a process for subjecting a holographic storage medium to illuminative treatment to: (1) enhance or optimize recording of holographic data; (2) enhance or optimize reading of recorded holographic data; and/or (3) erase recorded holographic data. The present invention also relates to embodiments of a system comprising: (a) an illuminative treatment beam; (b) means for reducing the coherence of the beam and (c) means for transmitting the reduced coherence beam to cause illuminative treatment of: (1) an unrecorded portion of a holographic storage medium to provide pre-cured portions having increased ability to stably record holographic data; (2) a recorded portion of a holographic storage medium to provide a post-cured portion having reduced residual sensitivity; and/or (3) a recorded portion of a holographic storage medium having holographic data to provide an erased portion wherein at least some of the recorded holographic data is erased.Type: ApplicationFiled: May 25, 2006Publication date: December 14, 2006Applicant: InPhase Technologies, Inc.Inventors: Brian Riley, Ken Anderson, Larry Fabiny, Ian Redmond, Curtis Shuman, Bradley Sissom, Kevin Curtis, Aaron Wegner, Michael Cole
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Publication number: 20060281021Abstract: The present invention relates to embodiments of a process for subjecting a holographic storage medium to illuminative treatment to: (1) enhance or optimize recording of holographic data; (2) enhance or optimize reading of recorded holographic data; and/or (3) erase recorded holographic data. The present invention also relates to embodiments of a system comprising: (a) an illuminative treatment beam; (b) means for reducing the coherence of the beam and (c) means for transmitting the reduced coherence beam to cause illuminative treatment of: (1) an unrecorded portion of a holographic storage medium to provide pre-cured portions having increased ability to stably record holographic data; (2) a recorded portion of a holographic storage medium to provide a post-cured portion having reduced residual sensitivity; and/or (3) a recorded portion of a holographic storage medium having holographic data to provide an erased portion wherein at least some of the recorded holographic data is erased.Type: ApplicationFiled: May 25, 2006Publication date: December 14, 2006Applicant: InPhase Technologies, Inc.Inventors: Brian Riley, Ken Anderson, Larry Fabiny, Ian Redmond, Curtis Shuman, Bradley Sissom, Kevin Curtis, Aaron Wegner, Michael Cole
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Publication number: 20060279824Abstract: A holographic memory system is disclosed. The holographic memory system comprises: a light source configured to generate a light beam; a photosensitive holographic storage medium configured to at least partially reflect the light beam; and an alignment module configured to determine an angular orientation of the storage medium based on the reflected light beam.Type: ApplicationFiled: May 25, 2006Publication date: December 14, 2006Applicant: InPhase Technologies, Inc.Inventors: Brian Riley, Aaron Wegner
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Publication number: 20060279819Abstract: Systems and methods are provided or use with a light source which generates a light beam. These systems may include a detector which detects light beam information regarding a light beam exiting an etalon. The system then uses the detected information to determine whether multiple modes are present in the light beam so that the light source may be adjusted to return the light source to single mode operation.Type: ApplicationFiled: May 25, 2006Publication date: December 14, 2006Applicant: InPhase Technologies, Inc.Inventors: Vladimir Krneta, Larry Fabiny, Ian Redmond, Brian Riley, Aaron Wegner, Susan Hunter
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Publication number: 20060279818Abstract: In one aspect of the present invention, a device for sensing an absolute position of an encoded object, comprising: a position tracking module comprising: a track illumination module configured to illuminate the encoded object with one more light beams, and to detect one or more light beams resulting from said illumination of said encoded object; and an absolute position determinator configured to determine the absolute position of the encoded object based on said one or more light beams resulting from said illumination of said encoded object.Type: ApplicationFiled: May 25, 2006Publication date: December 14, 2006Applicant: InPhase Technologies, Inc.Inventors: Mark Ayres, Larry Fabiny
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Publication number: 20060279821Abstract: The present invention relates to embodiments of: (1) a unitary holographic drive head assembly mounting structure; (2) an assembly comprising a unitary holographic drive head assembly mounting structure and a plurality of holographic drive head components and/or subassemblies; (3) a subassembly comprising a spatial light modulator, detector array, and a beam splitter; (4) a device comprising a spatial light modulator and a physical aperture positioned over or an imaged aperture projected onto the photoactive area of the spatial light modulator; (5) a system for optically aligning or pointing a laser in a holographic drive head assembly; (6) a light source subassembly comprising a laser, a fiber coupling lens; and an optical fiber having a fiber connector ready output end; and (7) a light source subsystem comprising a laser source, beam conditioning optics, fiber coupling optics for receiving the conditioned light beam, and a fiber optic connector for receiving the conditioned light beam from the fiber couplinType: ApplicationFiled: May 25, 2006Publication date: December 14, 2006Applicant: InPhase Technologies, Inc.Inventors: Brian Riley, Aaron Wegner
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Publication number: 20060279820Abstract: The present invention relates to embodiments of: (1) a unitary holographic drive head assembly mounting structure; (2) an assembly comprising a unitary holographic drive head assembly mounting structure and a plurality of holographic drive head components and/or subassemblies; (3) a subassembly comprising a spatial light modulator, detector array, and a beam splitter; (4) a device comprising a spatial light modulator and a physical aperture positioned over or an imaged aperture projected onto the photoactive area of the spatial light modulator; (5) a system for optically aligning or pointing a laser in a holographic drive head assembly; (6) a light source subassembly comprising a laser, a fiber coupling lens; and an optical fiber having a fiber connector ready output end; and (7) a light source subsystem comprising a laser source, beam conditioning optics, fiber coupling optics for receiving the conditioned light beam, and a fiber optic connector for receiving the conditioned light beam from the fiber couplinType: ApplicationFiled: May 25, 2006Publication date: December 14, 2006Applicant: InPhase Technologies, Inc.Inventors: Brian Riley, Aaron Wegner
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Patent number: 7149015Abstract: Disclosed are optical systems and methods of producing obliquity corrected light beams, for example, holographic recording and retrieval systems that utilize an obliquity corrected reference beam. One method includes directing a light beam reflected from a prism mirror to a reference plane with an angle of incidence to the reference plane, wherein the prism mirror varies the width of the light beam according to the angle of incidence to the reference plane. The optical system may include a holographic data storage system and the reference plane may be associated with a holographic storage medium.Type: GrantFiled: January 5, 2004Date of Patent: December 12, 2006Assignees: InPhase Technologies, Inc., Sanyo Electric Co., Ltd.Inventors: Jan Hoogland, Curtis A. Shuman
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Publication number: 20060275670Abstract: The present invention relates to embodiments of a process for subjecting a holographic storage medium to illuminative treatment to: (1) enhance or optimize recording of holographic data; (2) enhance or optimize reading of recorded holographic data; and/or (3) erase recorded holographic data. The present invention also relates to embodiments of a system comprising: (a) an illuminative treatment beam; (b) means for reducing the coherence of the beam and (c) means for transmitting the reduced coherence beam to cause illuminative treatment of: (1) an unrecorded portion of a holographic storage medium to provide pre-cured portions having increased ability to stably record holographic data; (2) a recorded portion of a holographic storage medium to provide a post-cured portion having reduced residual sensitivity; and/or (3) a recorded portion of a holographic storage medium having holographic data to provide an erased portion wherein at least some of the recorded holographic data is erased.Type: ApplicationFiled: May 25, 2006Publication date: December 7, 2006Applicant: InPhase Technologies, Inc.Inventors: Brian Riley, Ken Anderson, Larry Fabiny, Ian Redmond, Curtis Shuman, Bradley Sissom, Kevin Curtis, Aaron Wegner, Michael Cole
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Publication number: 20060274394Abstract: The present invention relates to embodiments of: (1) a unitary holographic drive head assembly mounting structure; (2) an assembly comprising a unitary holographic drive head assembly mounting structure and a plurality of holographic drive head components and/or subassemblies; (3) a subassembly comprising a spatial light modulator, detector array, and a beam splitter; (4) a device comprising a spatial light modulator and a physical aperture positioned over or an imaged aperture projected onto the photoactive area of the spatial light modulator; (5) a system for optically aligning or pointing a laser in a holographic drive head assembly; (6) a light source subassembly comprising a laser, a fiber coupling lens; and an optical fiber having a fiber connector ready output end; and (7) a light source subsystem comprising a laser source, beam conditioning optics, fiber coupling optics for receiving the conditioned light beam, and a fiber optic connector for receiving the conditioned light beam from the fiber couplinType: ApplicationFiled: May 25, 2006Publication date: December 7, 2006Applicant: InPhase Technologies, Inc.Inventors: Brian Riley, James Wade, Aaron Wegner