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Patent Agency Ranking
公开(公告)号：US20240297430A1
公开(公告)日：2024-09-05
申请号：US18177506
申请日：2023-03-02
Inventor： Rifaqat HUSSAIN , Muhammad Nawaz ABBASI , Abdul AZIZ , Naveed IQBAL , Azzedine ZERGUINE
CPC classification number: H01Q1/1271 , H01Q9/0407 , H01Q21/06
Abstract: An antenna is disclosed. The antenna includes a transparent substrate, a first square patch antenna element with a square lattice structure, a second square patch antenna element and a low profile transparent passive decoupling strip. The first square patch antenna element is disposed on the transparent substrate. The first square patch antenna element includes horizontal conductive wires and vertical conductive wires. The horizontal conductive wires and the vertical conductive wires cross each other and are equally spaced to form square spaces between. The second square patch antenna element is disposed on the transparent substrate. The second square patch antenna element has a structure identical to the structure of the first square patch antenna element. The first and the second square patch antenna elements are spaced apart from each other. The low profile transparent passive decoupling strip is disposed between the first and the second square patch antenna elements.
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公开(公告)号：US20240278034A1
公开(公告)日：2024-08-22
申请号：US18452856
申请日：2023-08-21
Inventor： Rifaqat HUSSAIN , Abdul Rehman CHISHTI , Abdul AZIZ , Abdullah AL-GARNI
CPC classification number: A61N5/025 , H01Q9/0414 , H01Q9/26 , H05B6/80
Abstract: A folded dipole patch antenna for use in a hyperthermia applicator is described. The antenna includes a dielectric circuit board, and a folded dipole microstrip antenna. The dielectric circuit board has a top side and a bottom side. The folded dipole microstrip antenna is formed on the top side and includes two meander paths mirror each other. A pair of parallel metallic strips is located on the bottom side. A coaxial feed port is connected to the pair of parallel metallic strips. The antenna is configured to resonate in a frequency range of about 434 MHz upon application of an input signal at the coaxial feed port. The folded dipole patch antenna has a small size and does not require an impedance matching circuit. The hyperthermia applicator is configured to emit microwave energy toward a target tissue within a human body.
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公开(公告)号：US20250038416A1
公开(公告)日：2025-01-30
申请号：US18915413
申请日：2024-10-15
Inventor： Rifaqat HUSSAIN , Abdul Rehman CHISHTI , Abdul AZIZ , Abdullah AL-GARNI , Sharif Iqbal Mitu SHEIKH
Abstract: A shared aperture multi-band antenna is described. The antenna includes a dielectric circuit board, a folded dipole microstrip antenna, and a lumped inductor. The folded dipole microstrip antenna is formed on a top side of the dielectric circuit board. The microstrip antenna includes two meander paths. The two meander paths enclose a shared aperture therebetween. The lumped inductor is inserted across a first gap near the third edge. A first pair of parallel metallic patches, a second pair of parallel metallic patches, and a third pair of parallel metallic patches are located on the bottom side. The antenna resonates in a dual band frequency range comprising a first resonance band in a range of 0.4 GHz to 0.6 GHz and a second resonance band in a range of 4.7 GHz to 5.8 GHz upon application of an input signal at both a first feed port and a second feed port.
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公开(公告)号：US20240413529A1
公开(公告)日：2024-12-12
申请号：US18330400
申请日：2023-06-07
Inventor： Rifaqat HUSSAIN , Umar FAYYAZ , Shahab Ahmad NIAZI , Abdul AZIZ , Abdullah AL-GARNI
Abstract: A fourth order orbital angular momentum (OAM) four patch antenna is described. The antenna includes a dielectric substrate, a metallic sheet, and a four patch antenna. The four patch antenna includes a circular ring path patch, a first feed branch patch, and a second feed branch patch. The first feed branch patch is connected to the circular ring path patch. The second feed branch patch includes a straight leg which extends radially from the circular ring path patch and a curved leg having a first end connected to the straight leg and a second leg connected to the first end of feed port patch. The antenna is configured to resonate in a fourth order OAM mode at a frequency of 5.12 GHz when an electrical input signal is applied to a second end of the feed port patch.
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公开(公告)号：US20240313408A1
公开(公告)日：2024-09-19
申请号：US18183796
申请日：2023-03-14
Inventor： Rifaqat HUSSAIN , Abdul Rehman CHISHTI , Abdul AZIZ , Abdullah AL-GARNI , Sharif Iqbal Mitu SHEIKH
CPC classification number: H01Q9/26 , H01Q5/307 , H01Q9/065 , H05K3/1283 , H05K3/30
Abstract: A shared aperture multi-band antenna is described. The antenna includes a dielectric circuit board, a folded dipole microstrip antenna, and a lumped inductor. The folded dipole microstrip antenna is formed on a top side of the dielectric circuit board. The microstrip antenna includes two meander paths. The two meander paths enclose a shared aperture therebetween. The lumped inductor is inserted across a first gap near the third edge. A first pair of parallel metallic patches, a second pair of parallel metallic patches, and a third pair of parallel metallic patches are located on the bottom side. The antenna resonates in a dual band frequency range comprising a first resonance band in a range of 0.4 GHz to 0.6 GHz and a second resonance band in a range of 4.7 GHZ to 5.8 GHz upon application of an input signal at both a first feed port and a second feed port.
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