Patent application number | Description | Published |
20080295317 | PROCESS FOR MANUFACTURE OF A LOW COST EXTRUDED AND LAMINATED MICROSTRIP ELEMENT ANTENNA - Methods, systems, and apparatuses for automated manufacturing microstrip element antennas is described. The microstrip element antenna comprises a printed circuit layer, a dielectric layer and a ground plane layer. Mass manufacturing process for such microstrip element antennas without any substantial manual assembly process is described. Automation of the manufacturing steps leads to lower production costs, faster production and a higher yield. | 12-04-2008 |
20090115666 | Multi-Functional External Antenna - A mobile device with a multi-functional external antenna comprises a housing and an external antenna. The external antenna is disposed at least partially on the housing and conforms to the housing. The external antenna is configured to one of receive wireless data signals and transmit wireless data signals. The external antenna is further configured to conduct power signals. | 05-07-2009 |
20090143026 | System and Method for Adaptive Polarization Diversity Between Closely Spaced Antennas - An electronic device comprises a transceiver and a probe. The transceiver is connected to a first antenna and a second antenna. The first and second antennas are configured to one of transmit and receive radio frequency signals. The first and second antennas are configured to exhibit a polarized diversity. The probe re-establishes the polarized diversity when the polarized diversity has been disrupted. | 06-04-2009 |
20090296947 | Method and System for a Headset H-Field/E-Field Canceller - Described are a device and a method for canceling a magnetic field and/or an electric field emitted from a device. The device includes a housing including an inner wall and an outer wall, a sense coil located within the inner wall of the housing in proximity to a user's ear, the sense coil sensing a magnitude, polarization and a polarity of an inbound magnetic field within the housing, and an induction coil located between the outer wall and the inner wall of the housing, the induction coil generating an outbound magnetic field having the same polarization and an opposing polarity to the polarity of the inbound magnetic field. The method includes sensing, by a sensing coil, a magnitude and a polarity of an inbound magnetic field, the sensing coil located within a housing of a device, and applying a current to an induction coil to generate an outbound magnetic field having an opposing polarity to the polarity of the inbound magnetic field, the induction coil located within the housing of the device. | 12-03-2009 |
20100156600 | Method and System for a Broadband Impedance Compensated Slot Antenna (BICSA) - Described herein are devices, systems and methods for compensating a frequency response of an antenna to an electronic device, such as a radio frequency identification (“RFID”) reader. An exemplary embodiment is a device including at least one radio frequency (“RF”) source for transmitting RF signals, at least one RF receiver for receiving RF signals, an antenna in simultaneous communication with the RF source and the RF receiver, and at least one distributed RF compensator network controlling an operating RF between the antenna and the communication device, wherein the at least one distributed RF compensator creates a particular antenna impedance that operates with a directional coupler and increases an RF isolation between the RF source and the RF receiver across a particular frequency region. An further exemplary embodiment is a method including determining a frequency response impedance measurement of an antenna of a communication device, the communication device including a compensator network attached to the antenna, and adjusting at least one operating setting of the compensator network to create a antenna impedance, wherein the antenna impedance improves an isolation between a transmitting function and a receiving function of the communication device. | 06-24-2010 |
20100309068 | METHODS AND APPARATUS FOR A LOW REFLECTIVITY COMPENSATED ANTENNA - An antenna includes a dipole radiator region forming a series resonant tank having a first quality factor value Q | 12-09-2010 |
20100315195 | METHODS AND APPARATUS FOR A DUAL POLARIZATION ANTENNA SYSTEM - A dual polarization antenna system includes a dipole antenna oriented along a first plane (e.g., a horizontal plane), and a monopole antenna oriented along a second plane (e.g., a vertical plane) orthogonal to the first plane, wherein the monopole antenna is referenced to a V-null point of the dipole antenna. | 12-16-2010 |
Patent application number | Description | Published |
20080246615 | RFID antenna cupped reflector - Methods, systems, and apparatuses for radio frequency identification (RFID) reader antennas are described. In as aspect, a reader antenna includes a reflecting element and a radiating element. The reflecting element has a body that defines a cavity. The radiating element is positioned in the cavity. The radiating element transmits a RF signal for the reader antenna. The reflecting element reflects the RF signal to alter a characteristic of the RF signal transmitted by the reader antenna. | 10-09-2008 |
20080297417 | LIGHT WEIGHT RUGGED MICROSTRIP ELEMENT ANTENNA INCORPORATING SKELETON DIELECTRIC SPACER - Methods, systems, and apparatuses for manufacturing light weight microstrip element antennas incorporating a skeleton dielectric spacer instead of a regular solid body dielectric spacer is described. The microstrip element antenna comprises a radiator, a dielectric layer which is in the form of a skeleton rib-caged structure and a ground plane layer. Due to the skeleton rib-caged structure of the dielectric spacer, design flexibility in terms of a non-uniform variation of the effective dielectric constant across various dimensions of the dielectric layer is obtained. Additional advantages of such a dielectric spacer include a wider choice of materials from which the antenna can be made, overall light weight and low production time and machine cost due to lower cooling time of the dielectric. Further, an antenna with a skeleton dielectric spacer further has a better drying characteristics in an event of a water ingress during or post-production. | 12-04-2008 |
20110121075 | METHOD AND APPARATUS FOR AUGMENTING OPTICAL BARCODE SCANNER WITH RFID READER - An apparatus and method for augmenting an optical barcode scanner. The apparatus comprises an accessory module that includes an RFID reader, a body part attachable to the optical barcode scanner, and an interface connector for forming a communication link between the RFID reader and the optical barcode scanner when the interface connector is connected with the expansion port of the optical barcode scanner. | 05-26-2011 |
20110133890 | METHOD AND DEVICE FOR IMPROVING THE SIGNAL TO NOISE RATIO (SNR) OF A BACKSCATTER SIGNAL RECEIVED FROM A RADIO FREQUENCY IDENTIFICATION (RFID) TAG - A method and device enables improving a signal to noise ratio (SNR) of a backscatter signal received from a radio frequency identification (RFID) tag. The method includes generating a continuous wave (CW) carrier signal at the reader device (step | 06-09-2011 |
20120238210 | CLOSE PROXIMITY ANTENNA MEASUREMENT AND TUNING - A method and apparatus for providing close proximity antenna measurement and tuning, includes a first receive-only antenna, a second antenna operable in a transmit mode, a tuning circuit coupled to the first antenna, a transmitter coupled to the second antenna, a receiver coupled to the first antenna, the receiver operable to measure a power into the first antenna delivered by a signal from the second antenna driven by the transmitter, and a processor coupled to the tuning circuit, transmitter, and receiver, the processor operable to step changes in the tuning circuit until a substantially maximum power of the signal is measured by the receiver. | 09-20-2012 |
20130021955 | CIRCULATOR TUNING FOR REDUCED INTERMODULATION DISTORTION IN A WIRELESS COMMUNICATION DEVICE - A mobile wireless communication device includes a circulators coupled between a respective communications arrangement and their antennas. Each circulator includes a coupled tuning network, wherein the tuning networks are operable to tune their circulators for maximum isolation from cross coupling between the power amplifiers within an operating frequency band of the respective communications arrangement. | 01-24-2013 |
20130120194 | DISTRIBUTED COMB TAPPED MULTIBAND ANTENNA - A distributed comb tapped multiband antenna structure includes a PIFA-like antenna radiator having tap structures, and a counterpoise to the antenna radiator, wherein the tap structures include shunt connections to the counterpoise. | 05-16-2013 |
20130141296 | CAVITY BACKED CROSS-SLOT ANTENNA APPARATUS AND METHOD - An antenna apparatus and method includes an orthogonal slot antenna which overcomes the limitations associated with RF choke between the adjacent slots through various feed techniques. A cavity backed cross-slot antenna includes a horizontal slot antenna, a vertical slot antenna sharing a center portion with the horizontal slot antenna, a first feed for the horizontal slot antenna, and a second feed for the vertical slot antenna, the first feed and the second feed provided to the shared center portion. Another cavity backed cross-slot antenna includes a horizontal slot antenna, a vertical slot antenna, the horizontal slot antenna and the vertical slot antenna share a center portion therebetween, a first feed feeding both halves of the horizontal slot antenna, and a second feed feeding both halves of the vertical slot antenna. | 06-06-2013 |
20130222113 | REFLECTOR-BACKED RFID SLOT ANTENNA WITH A COSECANT-SQUARED-LIKE RADIATION PATTERN - An antenna method and apparatus includes a slot antenna configured within a ground plane and a conductive reflector backing the slot antenna and configured to reflect RF energy. The slot antenna, ground plane, and the reflector cooperatively form a reflector-backed slot antenna and a radial-mode waveguide providing an inverse, mirrored, substantially cosecant-squared radiation pattern. | 08-29-2013 |