Patents by Inventor WAJIH ELSALLAL
WAJIH ELSALLAL 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).
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Publication number: 20230291118Abstract: A low profile phased array antenna that is configured to be manufactured using additive manufacturing techniques is provided. In one or more embodiments, the phased array can include a plurality of signal ears, ground ears, and clustered pillars that can be arranged in relation to a base plate such that each component of the antenna can be manufactured from a single piece of material, thereby allowing for the use of additive manufacturing techniques which can substantially reduce the cost and time of the manufacturing process. The phased array can include a signal ear that include one or more posts that interface with an airgap located within a base plate of the array, wherein the size of the airgap in relation to the size of the post is configured to achieve an optimal level of impedance matching.Type: ApplicationFiled: May 15, 2023Publication date: September 14, 2023Applicant: The MITRE CorporationInventors: Cecelia R. FRANZINI, Mohamed Wajih ELSALLAL, Jamie R. HOOD
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Patent number: 11670868Abstract: A low profile phased array antenna that is configured to be manufactured using additive manufacturing techniques is provided. In one or more embodiments, the phased array can include a plurality of signal ears, ground ears, and clustered pillars that can be arranged in relation to a base plate such that each component of the antenna can be manufactured from a single piece of material, thereby allowing for the use of additive manufacturing techniques which can substantially reduce the cost and time of the manufacturing process. The phased array can include a signal ear that include one or more posts that interface with an airgap located within a base plate of the array, wherein the size of the airgap in relation to the size of the post is configured to achieve an optimal level of impedance matching.Type: GrantFiled: December 7, 2020Date of Patent: June 6, 2023Assignee: The MITRE CorporationInventors: Cecelia R. Franzini, Mohamed Wajih Elsallal, Jamie R. Hood
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Publication number: 20210376484Abstract: A phased array antenna that includes a base plate; first and second spaced apart radiating elements formed by at least one conductive layer disposed on at least one dielectric layer that projects from the base plate; and a pillar disposed between the first and second spaced apart radiating elements, wherein the pillar is electrically connected to the base plate, and the first and second spaced apart radiating elements are configured to capacitively couple to the pillar.Type: ApplicationFiled: August 9, 2021Publication date: December 2, 2021Applicants: The MITRE Corporation, The Government of the United States of America, as Represented by the Secretary of the NavyInventors: Wajih ELSALLAL, Jamie HOOD, Al LOCKER, Rick W. KINDT
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Patent number: 11088465Abstract: A unit cell of for a phased array antenna includes a base plate, a first dielectric layer projecting from the base plate, and a first conductive layer disposed on a side of the first dielectric layer, the first conductive layer includes a ground pillar, a first ground member spaced apart from a first edge of the ground pillar, and a first signal member disposed between the ground pillar and the first ground member, wherein: the first signal member is electrically insulated from the ground pillar and the first ground member, and an edge of the first signal member is configured to capacitively couple to the first edge of the ground pillar.Type: GrantFiled: August 7, 2018Date of Patent: August 10, 2021Assignees: The MITRE Corporation, The Government of the United States of America, as Represented by the Secretary of the NavyInventors: Wajih Elsallal, Jamie Hood, Al Locker, Rick W. Kindt
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Patent number: 11069984Abstract: A radiating element for a phased array antenna includes a first dielectric layer, a first conductive layer disposed on a first side of the first dielectric layer, the first conductive layer including a first member comprising a first stem and a first impedance matching portion, wherein the first impedance matching portion comprises at least one projecting portion projecting from a first edge of the first impedance matching portion, and a second member spaced apart from the first member, the second member including a second impedance matching portion, wherein the second impedance matching portion comprises at least one other projecting portion projecting toward the first edge of the first impedance matching portion.Type: GrantFiled: August 7, 2018Date of Patent: July 20, 2021Assignees: The MITRE Corporation, The Government of the United States of America, as Represented by the Secretary of the NavyInventors: Wajih Elsallal, Jamie Hood, Al Locker, Rick W. Kindt
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Publication number: 20210111498Abstract: A low profile phased array antenna that is configured to be manufactured using additive manufacturing techniques is provided. In one or more embodiments, the phased array can include a plurality of signal ears, ground ears, and clustered pillars that can be arranged in relation to a base plate such that each component of the antenna can be manufactured from a single piece of material, thereby allowing for the use of additive manufacturing techniques which can substantially reduce the cost and time of the manufacturing process. The phased array can include a signal ear that include one or more posts that interface with an airgap located within a base plate of the array, wherein the size of the airgap in relation to the size of the post is configured to achieve an optimal level of impedance matching.Type: ApplicationFiled: December 7, 2020Publication date: April 15, 2021Applicant: The MITRE CorporationInventors: Cecelia R. FRANZINI, Mohamed Wajih ELSALLAL, Jamie R. HOOD
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Publication number: 20210028557Abstract: An antenna element including a base plate, a first ground clustered pillar projecting from the base plate, a second ground clustered pillar projecting from the base plate and spaced apart from a first side of the first ground clustered pillar is provided. The ground clustered pillars, the signal ears, and the ground ears can be shapes so that the capacitive coupling between the ears and the pillars is sufficient to allow them to be spaced further apart, thereby reducing the number of elements required in the phased array. In some embodiments, the ground ear can be directly machined with the base plate thereby obviating the need for the ground ear to be overmolded into the base plate with the signal ear. In other embodiments the phased array antenna can utilize elastomeric connectors to further improve the mechanical and electrical reliability of the connections of the phase array antenna.Type: ApplicationFiled: October 15, 2020Publication date: January 28, 2021Applicant: The MITRE CorporationInventors: Cecelia FRANZINI, Mohamed Wajih ELSALLAL, Jamie HOOD
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Patent number: 10886625Abstract: A low profile phased array antenna that is configured to be manufactured using additive manufacturing techniques is provided. In one or more embodiments, the phased array can include a plurality of signal ears, ground ears, and clustered pillars that can be arranged in relation to a base plate such that each component of the antenna can be manufactured from a single piece of material, thereby allowing for the use of additive manufacturing techniques which can substantially reduce the cost and time of the manufacturing process. The phased array can include a signal ear that include one or more posts that interface with an airgap located within a base plate of the array, wherein the size of the airgap in relation to the size of the post is configured to achieve an optimal level of impedance matching.Type: GrantFiled: August 28, 2018Date of Patent: January 5, 2021Assignee: The MITRE CorporationInventors: Cecelia R. Franzini, Mohamed Wajih Elsallal, Jamie R. Hood
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Patent number: 10854993Abstract: An antenna element including a base plate, a first ground clustered pillar projecting from the base plate, a second ground clustered pillar projecting from the base plate and spaced apart from a first side of the first ground clustered pillar is provided. The ground clustered pillars, the signal ears, and the ground ears can be shapes so that the capacitive coupling between the ears and the pillars is sufficient to allow them to be spaced further apart, thereby reducing the number of elements required in the phased array. In some embodiments, the ground ear can be directly machined with the base plate thereby obviating the need for the ground ear to be overmolded into the base plate with the signal ear. In other embodiments the phased array antenna can utilize elastomeric connectors to further improve the mechanical and electrical reliability of the connections of the phase array antenna.Type: GrantFiled: September 18, 2017Date of Patent: December 1, 2020Assignee: The MITRE CorporationInventors: Cecelia Franzini, Mohamed Wajih Elsallal, Jamie Hood
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Publication number: 20200076090Abstract: A low profile phased array antenna that is configured to be manufactured using additive manufacturing techniques is provided. In one or more embodiments, the phased array can include a plurality of signal ears, ground ears, and clustered pillars that can be arranged in relation to a base plate such that each component of the antenna can be manufactured from a single piece of material, thereby allowing for the use of additive manufacturing techniques which can substantially reduce the cost and time of the manufacturing process. The phased array can include a signal ear that include one or more posts that interface with an airgap located within a base plate of the array, wherein the size of the airgap in relation to the size of the post is configured to achieve an optimal level of impedance matching.Type: ApplicationFiled: August 28, 2018Publication date: March 5, 2020Applicant: The MITRE CorporationInventors: Cecelia R. FRANZINI, Mohamed Wajih ELSALLAL, Jamie R. HOOD
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Patent number: 10483631Abstract: A multi-band helix antenna including one or more first arms extending helically about an axis at a first distance from the axis; and one or more second arms extending helically about the axis at a second distance from the axis that is greater than the first distance, wherein each of the one or more second arms comprises at least one trap circuit configured to have a first impedance at a resonant frequency of the one or more first arms and a second impedance at a resonant frequency of the one or more second arms, and the first impedance is greater than the second impedance.Type: GrantFiled: September 26, 2016Date of Patent: November 19, 2019Assignee: The MITRE CorporationInventors: Ian T. McMichael, Erik T. Lundberg, Mohamed Wajih Elsallal
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Patent number: 10340606Abstract: An antenna element that includes a base plate, a first ground clustered pillar projecting from the base plate, a second ground clustered pillar projecting from the base plate and spaced apart from a first side of the first ground clustered pillar, a first ground member projecting from the base plate between the first ground clustered pillar and the second ground clustered pillar, wherein a distal end of the first ground member is configured to capacitively couple to the second ground clustered pillar, and a first signal member projecting from the base plate between the first ground clustered pillar and the first ground member, wherein the first signal member is electrically insulated from the base plate, the first ground clustered pillar, and the first ground member, and a distal end of the first signal member is configured to capacitively couple to the first ground clustered pillar.Type: GrantFiled: May 22, 2018Date of Patent: July 2, 2019Assignee: The MITRE CorporationInventors: Wajih Elsallal, Jamie Hood, Al Locker, Rick W. Kindt
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Patent number: 10333230Abstract: A radiating element for a phased array antenna that includes a base portion, a first member projecting from the base portion comprising a first stem and a first impedance matching portion, wherein the first impedance matching portion comprises at least one projecting portion projecting from a first side of the first impedance matching portion, and a second member projecting from the base portion and spaced apart from the first member, the second member comprising a second stem and a second impedance matching portion, wherein the second impedance matching portion comprises at least one other projecting portion projecting toward the first side of the first impedance matching portion.Type: GrantFiled: May 22, 2018Date of Patent: June 25, 2019Assignees: The MITRE Corporation, The United States of America, as represented by the Secretary of the NavyInventors: Wajih Elsallal, Jamie Hood, Al Locker, Rick W. Kindt
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Publication number: 20190089068Abstract: An antenna element including a base plate, a first ground clustered pillar projecting from the base plate, a second ground clustered pillar projecting from the base plate and spaced apart from a first side of the first ground clustered pillar is provided. The ground clustered pillars, the signal ears, and the ground ears can be shapes so that the capacitive coupling between the ears and the pillars is sufficient to allow them to be spaced further apart, thereby reducing the number of elements required in the phased array. In some embodiments, the ground ear can be directly machined with the base plate thereby obviating the need for the ground ear to be overmolded into the base plate with the signal ear. In other embodiments the phased array antenna can utilize elastomeric connectors to further improve the mechanical and electrical reliability of the connections of the phase array antenna.Type: ApplicationFiled: September 18, 2017Publication date: March 21, 2019Applicant: The MITRE CorporationInventors: Cecelia FRANZINI, Mohamed Wajih ELSALLAL, Jamie HOOD
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Publication number: 20180375217Abstract: A radiating element for a phased array antenna includes a first dielectric layer, a first conductive layer disposed on a first side of the first dielectric layer, the first conductive layer including a first member comprising a first stem and a first impedance matching portion, wherein the first impedance matching portion comprises at least one projecting portion projecting from a first edge of the first impedance matching portion, and a second member spaced apart from the first member, the second member including a second impedance matching portion, wherein the second impedance matching portion comprises at least one other projecting portion projecting toward the first edge of the first impedance matching portion.Type: ApplicationFiled: August 7, 2018Publication date: December 27, 2018Applicants: The MITRE Corporation, The Government of the United States of America, as Represented by the Secretary of the NavyInventors: Wajih ELSALLAL, Jamie HOOD, Al LOCKER, Rick W. KINDT
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Publication number: 20180366836Abstract: A unit cell of for a phased array antenna includes a base plate, a first dielectric layer projecting from the base plate, and a first conductive layer disposed on a side of the first dielectric layer, the first conductive layer includes a ground pillar, a first ground member spaced apart from a first edge of the ground pillar, and a first signal member disposed between the ground pillar and the first ground member, wherein: the first signal member is electrically insulated from the ground pillar and the first ground member, and an edge of the first signal member is configured to capacitively couple to the first edge of the ground pillar.Type: ApplicationFiled: August 7, 2018Publication date: December 20, 2018Applicants: The MITRE Corporation, The Government of the United States of America, as Represented by the Secretary of the NavyInventors: Wajih ELSALLAL, Jamie HOOD, Al LOCKER, Rick W. KINDT
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Patent number: 10158160Abstract: A metamaterial for receiving electromagnetic waves having any polarization is provided. The metamaterial allows for receipt and/or propagation of electromagnetic waves at a resonant frequency of the metamaterial.Type: GrantFiled: September 12, 2016Date of Patent: December 18, 2018Assignee: THE MITRE CORPORATIONInventors: Ian T. McMichael, Jamie R. Hood, Mohamed Wajih Elsallal
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Publication number: 20180269593Abstract: A radiating element for a phased array antenna that includes a base portion, a first member projecting from the base portion comprising a first stem and a first impedance matching portion, wherein the first impedance matching portion comprises at least one projecting portion projecting from a first side of the first impedance matching portion, and a second member projecting from the base portion and spaced apart from the first member, the second member comprising a second stem and a second impedance matching portion, wherein the second impedance matching portion comprises at least one other projecting portion projecting toward the first side of the first impedance matching portion.Type: ApplicationFiled: May 22, 2018Publication date: September 20, 2018Applicants: The MITRE Corporation, The Government of the United States of America, as Represented by the Secretary of the NavyInventors: Wajih ELSALLAL, Jamie HOOD, Al LOCKER, Rick W. KINDT
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Publication number: 20180269592Abstract: An antenna element that includes a base plate, a first ground clustered pillar projecting from the base plate, a second ground clustered pillar projecting from the base plate and spaced apart from a first side of the first ground clustered pillar, a first ground member projecting from the base plate between the first ground clustered pillar and the second ground clustered pillar, wherein a distal end of the first ground member is configured to capacitively couple to the second ground clustered pillar, and a first signal member projecting from the base plate between the first ground clustered pillar and the first ground member, wherein the first signal member is electrically insulated from the base plate, the first ground clustered pillar, and the first ground member, and a distal end of the first signal member is configured to capacitively couple to the first ground clustered pillar.Type: ApplicationFiled: May 22, 2018Publication date: September 20, 2018Applicants: The MITRE Corporation, The Government of the United States of America, as Represented by the Secretary of the NavyInventors: Wajih ELSALLAL, Jamie HOOD, Al LOCKER, Rick W. KINDT
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Patent number: 10056699Abstract: A phased array antenna including a base plate and a board projecting from the base plate. The board including a dielectric layer and a conductive layer. The conductive layer includes first and second spaced apart radiating elements and a pillar disposed between the first and second spaced apart radiating elements. The pillar is electrically connected to the base plate, and the first and second spaced apart radiating elements are configured to capacitively couple to the pillar.Type: GrantFiled: June 16, 2015Date of Patent: August 21, 2018Assignees: THE MITRE COOPERATION, The United States of America, as Rep. by the Sec. of NavyInventors: Wajih Elsallal, Jamie Hood, Al Locker, Rick Kindt