Zaghloul, US
Abdel Rahman M. Zaghloul, Pooler, GA US
Patent application number | Description | Published |
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20120127550 | OPTICAL LOGIC DEVICES HAVING POLARIZATION-BASED LOGIC LEVEL REPRESENTATION AND METHOD OF DESIGNING THE SAME - Logical operations are implemented using polarization-based logic level representation. An input polarized beam is split into a first beam and a second beam. The first beam is polarized at a first relative polarization angle and the second beam is polarized at a second relative polarization angle. The ratio of the amplitudes of two perpendicular polarization components of the input polarized beam is one or nearly one and the difference between the first relative polarization angle and the second relative polarization angle is 180 degrees or nearly 180 degrees. The relative polarization angle of the input polarized beam equals or nearly equals either the first relative polarization angle or the second relative polarization angle. | 05-24-2012 |
Amir I. Zaghloul, Bethesda, MD US
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20130057358 | Waveguide to Co-Planar-Waveguide (CPW) ransition - Certain embodiments relate to a waveguide/coplanar waveguide (CPW) transition assembly adapted to transition RF signals from a waveguide to a coplanar waveguide (CPW), the waveguide/CPW transition assembly having at least some peripheral walls and including a central waveguide transition septum having the CPW disposed therein. The waveguide/coplanar waveguide (CPW) transition assembly includes an electronic component coupled to the CPW, and control circuitry operationally coupled with the electronic component. Portions of the control circuitry at least partially extend from outside of the at least some peripheral walls to within the at least some peripheral walls. | 03-07-2013 |
20130194052 | COMPACT ROTMAN LENS USING METAMATERIALS - Apparatus for receiving and transmitting electromagnetic signals are disclosed herein. In some embodiments, an apparatus includes a positive refractive index (PRI) medium; a negative refractive index (NRI) medium having a first side and a second side disposed in the PRI medium; a plurality of first transmission lines, each first transmission line having a first end extending toward the first side of the NRI medium; and a plurality of second transmission lines, each second transmission line having a second end extending toward the second side of the NRI medium, wherein a plurality of electromagnetic signals travelling in a first direction, enters the PRI medium and travels along the plurality of first transmissions lines and exits into first side of the NRI medium, passes through the NRI medium and exits through the second side of the NRI medium into the PRI medium along a first one of the second transmission lines. | 08-01-2013 |
20130207850 | Nanofabric Antenna - A nanofabric antenna is provided. The nanofabric antenna can include a fabric and a plurality of conductive nanowires extending outwardly from the fabric with the conductive nanowires forming a random array of monopoles. In this manner, an antenna can he included as part of a piece of clothing and/or a piece of fabric used or worn by an individual. | 08-15-2013 |
20130214984 | BROADBAND ELECTROMAGNETIC BAND-GAP (EBG) STRUCTURE - An electromagnetic bandgap structure comprising a progressive cascade of a plurality of patterns of cells. The cells of each pattern are dimensioned so that each pattern has a reflection phase response centered at a different, but closely-spaced, frequency compared with the reflection phase response of an adjacently positioned pattern, so that the combined reflection phase response of the plurality of patterns provides a continuous wideband operational range. | 08-22-2013 |
20130241787 | MODULAR GRIDDED TAPERED SLOT ANTENNA - A planar antenna comprising: a substrate, a resonant element generating an electromagnetic wave, a plurality of parallel, spaced apart conductive strips on the substrate, wherein conductive strips form collinear rows of at least two strips that are physically separated by a slot to guide the electromagnetic wave in a specific direction. | 09-19-2013 |
20130293429 | METHOD AND APPARATUS FOR PROVIDING A MULTIFUNCTION SENSOR USING MESH NANOTUBE MATERIAL - A method and apparatus for providing multiple functions using nanotube threads comprising: a first nanotube thread and a second nanotube thread, the first nanotube thread and the second nanotube thread arranged to form a mesh, wherein the first nanotube thread further comprises a measurable invariant property and the second nanotube thread comprises a measurable variant property. | 11-07-2013 |
Amir Ibrahim Zaghloul, Bethesda, MD US
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20130285880 | WIDEBAND ELECTROMAGNETIC STACKED REFLECTIVE SURFACES - An electromagnetic structure for reflecting electromagnetic waves comprising a first surface having spaced patches of conductive material thereon; a second surface separated from the first surface, having spaced patches of conductive material, the first and second surfaces having high impedance and thrilling substantially optimal magnetic conductors; adapted to be used in conjunction with an associated antenna that radiates electromagnetic radiation originating therefrom, the radiation is reflected by the electromagnetic structure such that the phase of the electromagnetic waves reflected from first and second surfaces results in the constructive addition of the originating and reflected waves. The stacked layers resonate at different frequencies leading to a plurality of resonances at different frequencies resulting in operation of the associated antenna at a broadband of frequencies; the multiple resonances being a function of; inter alia, the spacing between patches of conductive material and the size of the patches. | 10-31-2013 |
20140043197 | ULTRA-WIDE-BAND (UWB) ANTENNA ASSEMBLY WITH AT LEAST ONE DIRECTOR AND ELECTROMAGNETIC REFLECTIVE SUBASSEMBLY AND METHOD - An ultra-wideband antenna assembly comprising: | 02-13-2014 |
Arm Zaghloul, Lincoln, NE US
Patent application number | Description | Published |
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20090190196 | PASSIVE ALL OPTICAL POLARIZATION SWITCH AND LOGIC DEVICES UTILIZING THE SAME - A passive all optical polarization switch and apparatus and methods for implementing logical operations using the switch is provided. The switch converts a first polarized beam having a polarization angle equals to or nearly equals to ±45 degrees into a beam equal to or nearly equal to the vertical component of the first polarized beam. The switch converts a second polarized beam having a polarization angle equals to or nearly equals to ±45 degrees into a beam equal to or nearly equal to the horizontal component of the second polarized beam. The switch combines the vertical component of the first polarized beam and the horizontal component of the second polarized beam to produce an output polarized beam. The switch is used to implement all optical polarization logic gates. | 07-30-2009 |
Atef O. Zaghloul, Morrisville, NC US
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20080222352 | METHOD, SYSTEM AND PROGRAM PRODUCT FOR EQUITABLE SHARING OF A CAM TABLE IN A NETWORK SWITCH IN AN ON-DEMAND ENVIRONMENT - A method, system and program product for equitable sharing of a CAM (Content Addressable Memory) table among multiple users of a switch. The method includes reserving buffers in the table to be shared, the remaining buffers being allocated to each user. The method further includes establishing whether or not an address contained in a packet from a user is listed in a buffer in the table, if the address is listed, updating a time-to-live value for the buffer for forwarding the packet and, if the address is not listed, determining whether or not the user has exceeded its allocated buffers and whether or not the reserved buffers have been exhausted, such that, if the user has exceeded its allocated buffers and the reserved buffers have been exhausted, the address is not added to the table and the user is precluded from using any additional buffers in the network switch. | 09-11-2008 |
20080310422 | DATA CENTER VIRTUAL LOCAL AREA NETWORK SYSTEM AND METHOD - A method, system and service for a data center computer network. A core network switches data using a first protocol layer. A first access switch is in electrical communication with the core network. The first access switch communicates the data to the core network using the first protocol layer. A second redundant access switch forms a first access switch pair with the first access switch. The second access switch is in electrical communication with the core network and communicates the data using the first protocol layer. The second access switch is in electrical communication with first access switch and communicates with the first access switch using a second protocol layer. The second protocol layer is at lower OSI level than the first protocol layer. The first access switch and the second access switch are configured to form a first VLAN. A first edge device is in electrical communication with the first access switch and the second access switch. The first edge device is part of the first VLAN. | 12-18-2008 |
Basem Zaghloul, Wayne, NJ US
Patent application number | Description | Published |
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20100153238 | Suggesting a Transaction Between Parties Based on Inventory - A method for suggesting a transaction in the disclosed technology proceeds by comparing an inventory of a transactor with a desired inventory of a plurality of other transactors. A desired inventory of the transactor is also compared with an inventory of the plurality of other transactors. A distance between the at least one transactor and the plurality of other transactors is compared. The plurality of other transactors and the at least one transactor are ranked together based on the comparing and the determining. At least one transaction between the transactor and at least one of the plurality of other transactors is then suggested. | 06-17-2010 |
Mona Zaghloul, Bethesda, MD US
Patent application number | Description | Published |
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20080230859 | SAW DEVICES, PROCESSES FOR MAKING THEM, AND METHODS OF USE - The design, fabrication, post-processing and characterization of a novel SAW (Surface Acoustic Wave) based bio/chemical sensor in CMOS technology is introduced. The sensors are designed in AMI 1.5 μm 2 metal, 2 poly process. A unique maskless post processing sequence is designed and completed. The three post-processing steps are fully compatible with any CMOS technology. This allows any signal control/processing circuitry to be easily integrated on the same chip. ZnO is used as the piezoelectric material for the SAW generation. A thorough characterization and patterning optimization of the sputtered ZnO was carried out. The major novelties that are introduced in the SAW delay line features are: The embedded heater elements for temperature control, compensation and acoustic absorbers that are designed to eliminate edge reflections and minimize triple transit interference. Both of these attributes are designed by using the CMOS layers without disturbing the SAW performance. | 09-25-2008 |
20090114798 | Circular Surface Acoustic Wave (SAW) Devices, Processes for Making Them, and Methods of Use - The design, fabrication, post-processing and characterization of a novel circular design SAW (Surface Acoustic Wave) based bio/chemical sensor in CMOS technology is introduced. The sensors are designed in AMI 1.5 μm 2 metal, 2 poly process. A unique maskless post processing sequence is designed and completed. The three post-processing steps are fully compatible with any CMOS technology. This allows any signal control/processing circuitry to be easily integrated on the same chip. ZnO is used as the piezoelectric material for the SAW generation. A thorough characterization and patterning optimization of the sputtered ZnO was carried out. The major novelties that are introduced in the SAW delay line features are: The embedded heater elements for temperature control, compensation and acoustic absorbers that are designed to eliminate edge reflections and minimize triple transit interference. Both of these attributes are designed by using the CMOS layers without disturbing the SAW performance. | 05-07-2009 |
20090124513 | Multiplex Biosensor - This invention relates to CMOS SAW-based biosensor devices for detecting analytes and biomolecules of interest. | 05-14-2009 |
20100007444 | GHz Surface Acoustic Resonators in RF-CMOS - An improved SAW resonator fabricated using RF-CMOS technology is disclosed. The SAW resonator is capable of a resonant frequency of from about 1 GHz to about 3.12 GHz. Several different embodiments namely both single and double port resonators implemented in standard CMOS (0.6 μm) and RF-CMOS (0.18 μm) technologies are presented. | 01-14-2010 |
20110063068 | THERMALLY ACTUATED RF MICROELECTROMECHANICAL SYSTEMS SWITCH - A radio frequency (RF) micro electromechanical system (MEMS) switch formed on a substrate (e.g., a CMOS substrate). The RF MEMS switch includes a micromechanical member including a flexible switch membrane configured to move between an on state and an off state of the RF MEMS switch. The flexible switch membrane includes a first set of fingers on a sidewall thereof to be vertically coupled with a second set of fingers formed at an output of the RF MEMS switch on the substrate, and an actuation member in operable communication with the micromechanical member and configured to thermally actuate the micromechanical member such that the first set of fingers electrically couple with the second set of fingers upon thermal actuation of the micromechanical member to enable transmission of an RF signal. | 03-17-2011 |
20120242410 | BIPOLAR STACKED TRANSISTOR ARCHITECTURE - An amplifier for an integrated circuit has a plurality of ratioed current mirrors connected to each other in a stacked configuration. Each ratio mirror has at least two resistors and at least two bipolar transistors connected to each other via said at least two resistors. Each amplifying transistor, contains a capacitor, and potentially and inductor, to internally match the transistors that make up the amplifying stack. DC, harmonic and s-parameter simulations are performed to provide an optimal impedance for each of the stacked transistors to maximize the RF power output of each stacked layer and the amplifier. | 09-27-2012 |
20130015766 | APPARATUS FOR GENERATING MINI AND MICRO PLASMAS AND METHODS OF USE - Systems and methods for formation of an ultra high frequency atmospheric pressure plasma jet are presented. A magnetic loop has first and second ends and a gap for generating the plasmas. An inner arc provides RF power to the magnetic loop. Use of the described structure allows for generation of plasmas in air and in inert gases such as argon and helium. Various properties, including the non-thermal nature and shape of the plasma jet are discussed. Applications for utilizing the non-thermal plasma jet are provided. | 01-17-2013 |
Mona E. Zaghloul, Bethesda, MD US
Patent application number | Description | Published |
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20120073390 | Synchronous One-Pole Surface Acoustic Wave Resonator - A surface acoustic wave resonator including an input interdigital transducer (IDT), an output IDT, and a pair of gratings with each being spaced from each other by a predetermined distance and attached to a substrate. In at least one embodiment, the distance is equal to one-half of the wavelength of the acoustic wave produced by the input IDT. In a further embodiment, the surface acoustic wave further includes a polymer layer and a biomedical coating covering at least a part of the polymer layer. The surface acoustic wave resonator has uses in the mass sensor and communications fields. | 03-29-2012 |
20130243655 | Flexible IC/microfluidic integration and packaging - A flexible IC/microfluidic hybrid integration and packaging method and resulting device. A single flexible elastomer substrate, such as polydimethylsiloxane (PDMS), has dedicated microchannels filled with liquid metals (or low melting point solders) to provide electrical interconnects to a solid-state IC die, such as CMOS, and additional microchannels for hybrid integration with microfluidics without performing any post-processing on the IC die. The liquid metal used can be a gallium-indium-tin eutectic alloy (also called Galinstan). | 09-19-2013 |
Yasser A. Zaghloul, Atlanta, GA US
Patent application number | Description | Published |
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20090190196 | PASSIVE ALL OPTICAL POLARIZATION SWITCH AND LOGIC DEVICES UTILIZING THE SAME - A passive all optical polarization switch and apparatus and methods for implementing logical operations using the switch is provided. The switch converts a first polarized beam having a polarization angle equals to or nearly equals to ±45 degrees into a beam equal to or nearly equal to the vertical component of the first polarized beam. The switch converts a second polarized beam having a polarization angle equals to or nearly equals to ±45 degrees into a beam equal to or nearly equal to the horizontal component of the second polarized beam. The switch combines the vertical component of the first polarized beam and the horizontal component of the second polarized beam to produce an output polarized beam. The switch is used to implement all optical polarization logic gates. | 07-30-2009 |
20120127550 | OPTICAL LOGIC DEVICES HAVING POLARIZATION-BASED LOGIC LEVEL REPRESENTATION AND METHOD OF DESIGNING THE SAME - Logical operations are implemented using polarization-based logic level representation. An input polarized beam is split into a first beam and a second beam. The first beam is polarized at a first relative polarization angle and the second beam is polarized at a second relative polarization angle. The ratio of the amplitudes of two perpendicular polarization components of the input polarized beam is one or nearly one and the difference between the first relative polarization angle and the second relative polarization angle is 180 degrees or nearly 180 degrees. The relative polarization angle of the input polarized beam equals or nearly equals either the first relative polarization angle or the second relative polarization angle. | 05-24-2012 |