Patents by Inventor Kevin Kellar
Kevin Kellar 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).
-
Patent number: 11828597Abstract: Disclosed is an improved Sagnac interferometer sensor for inertial navigation and guidance systems (e.g., inertial measurement units (IMUs)) that affords a reduced area architecture. The sensor implements optical folding architectures and techniques to increase the optical path length of the Sagnac interferometer. The folding optical architecture increases the total optical path, which thereby increases the total phase difference between two counter-rotating optical beams in the Sagnac interferometer. The technique increases accuracy and durability of IMUs without the need for an increase in size, weight, and cost.Type: GrantFiled: July 8, 2022Date of Patent: November 28, 2023Assignee: The United States of America, as Represented by the Secretary of the NavyInventor: Kevin Kellar
-
Patent number: 11614301Abstract: The invention relates to quick acting interfaces that allow for easier transportation and maintenance of precision rifles. Embodiments include an interface with an engaging segment and a receiving segment that engage one another and lock together. The engaging segment may have a series of connective bearings that fit into indentations inside the receiving segment. Embodiments allow a firearm to be modulated such that a barrel of the firearm may be disassembled without the need of any specialized equipment and reassembled without impacting the firearm's accuracy or reliability. Embodiments are scalable such that multiple interfaces can be used to adjust the total length of the firearm barrel.Type: GrantFiled: March 16, 2021Date of Patent: March 28, 2023Assignee: The United States of America, as Represented by the Secretary of the NavyInventors: Steven Seghi, Kevin Kellar
-
Publication number: 20230008033Abstract: Disclosed is an improved Sagnac interferometer sensor for inertial navigation and guidance systems (e.g., inertial measurement units (IMUs)) that affords a reduced area architecture. The sensor implements optical folding architectures and techniques to increase the optical path length of the Sagnac interferometer. The folding optical architecture increases the total optical path, which thereby increases the total phase difference between two counter-rotating optical beams in the Sagnac interferometer. The technique increases accuracy and durability of IMUs without the need for an increase in size, weight, and cost.Type: ApplicationFiled: July 8, 2022Publication date: January 12, 2023Applicant: The United States of America, as represented by the Secretary of the NavyInventor: Kevin Kellar
-
Publication number: 20220018624Abstract: The invention relates to quick acting interfaces that allow for easier transportation and maintenance of precision rifles. Embodiments include an interface with an engaging segment and a receiving segment that engage one another and lock together. The engaging segment may have a series of connective bearings that fit into indentations inside the receiving segment. Embodiments allow a firearm to be modulated such that a barrel of the firearm may be disassembled without the need of any specialized equipment and reassembled without impacting the firearm's accuracy or reliability. Embodiments are scalable such that multiple interfaces can be used to adjust the total length of the firearm barrel.Type: ApplicationFiled: March 16, 2021Publication date: January 20, 2022Applicant: The United States of America, as represented by the Secretary of the NavyInventors: Steven Seghi, Kevin Kellar
-
Patent number: 10982923Abstract: The invention relates to quick acting interfaces that allow for easier transportation and maintenance of precision rifles. Embodiments include an interface with an engaging segment and a receiving segment that engage one another and lock together. The engaging segment may have a series of connective bearings that fit into indentations inside the receiving segment. Embodiments allow a firearm to be modulated such that a barrel of the firearm may be disassembled without the need of any specialized equipment and reassembled without impacting the firearm's accuracy or reliability. Embodiments are scalable such that multiple interfaces can be used to adjust the total length of the firearm barrel.Type: GrantFiled: March 6, 2020Date of Patent: April 20, 2021Assignee: The United States of America, as Represented by the Secretary of the NavyInventors: Steven Seghi, Kevin Kellar
-
Publication number: 20210041201Abstract: The invention relates to quick acting interfaces that allow for easier transportation and maintenance of precision rifles. Embodiments include an interface with an engaging segment and a receiving segment that engage one another and lock together. The engaging segment may have a series of connective bearings that fit into indentations inside the receiving segment. Embodiments allow a firearm to be modulated such that a barrel of the firearm may be disassembled without the need of any specialized equipment and reassembled without impacting the firearm's accuracy or reliability. Embodiments are scalable such that multiple interfaces can be used to adjust the total length of the firearm barrel.Type: ApplicationFiled: March 6, 2020Publication date: February 11, 2021Applicant: The United States of America, as represented by the Secretary of the NavyInventors: Steven Seghi, Kevin Kellar
-
Patent number: 10393867Abstract: Methods and systems for determining true time delay from each receiving element of an ‘active electronically scanned array’ (AESA) or a phased array antenna. Embodiments of the invention can include electromagnetic EM elements, optical waveguides, and wavelength selective FGBs are collectively configured as a plurality of dual purpose elements that couples an EM field and uses an induced voltage to change an index of refraction of the optical waveguide's electro-optic (EO) material, where the EO material will also function as a dielectric in an antenna element, where the signals comprising optical signals propagate through EM element acting as phase delay elements, where the measuring system compares the reflected signals with a reference signal with no phase delay to determine said signals phase delay.Type: GrantFiled: April 28, 2016Date of Patent: August 27, 2019Assignee: The United States of America, as represented by the Secretary of the NavyInventor: Kevin Kellar
-
Publication number: 20160320475Abstract: Methods and systems for determining true time delay from each receiving element of an ‘active electronically scanned array’ (AESA) or a phased array antenna. Embodiments of the invention can include electromagnetic EM elements, optical waveguides, and wavelength selective FGBs are collectively configured as a plurality of dual purpose elements that couples an EM field and uses an induced voltage to change an index of refraction of the optical waveguide's electro-optic (EO) material, where the EO material will also function as a dielectric in an antenna element, where the signals comprising optical signals propagate through EM element acting as phase delay elements, where the measuring system compares the reflected signals with a reference signal with no phase delay to determine said signals phase delay.Type: ApplicationFiled: April 28, 2016Publication date: November 3, 2016Inventor: Kevin Kellar
-
Publication number: 20060239477Abstract: In various embodiments, a speakerphone may comprise multiple (e.g., 16) microphones placed in a circular array around a central speaker. The microphones may be mounted vertically in the speakerphone with their respective diaphragms substantially parallel to the top surface of the speakerphone. The centrally mounted speaker may be coupled to a stiff internal speaker enclosure. The speaker enclosure may be made of a stiff, heavy material (e.g., a dense plastic) to prevent the speaker vibrations from excessively vibrating the speakerphone enclosure (which may affect the microphones). The speaker enclosure may also include a raised rim and ridges to increase its stiffness.Type: ApplicationFiled: April 17, 2006Publication date: October 26, 2006Inventors: William Oxford, Kevin Kellar