Patent application number | Description | Published |
20080258979 | ANTENNA - An antenna is provided comprising a transmission element, a ground element, a first parasitic element, a second parasitic element and a third parasitic element. The transmission element is located on a first plane, wherein the transmission element is T shaped, and comprises a first transmission portion and a second transmission portion and the second transmission portion is perpendicular to the first transmission portion and connected to an end thereof. The ground element is located on a second plane parallel to the first plane. The first parasitic element, the second parasitic element and the third parasitic element are connected to the ground element and located on the second plane. | 10-23-2008 |
20090046027 | COUPLING DEVICE - A coupling device is provided, including a substrate, a ground element, a first feed conductor and a second feed conductor. The substrate includes a first surface and a second surface. The ground element is disposed on the second surface, wherein the ground element includes a first portion, a second portion, an annular groove and a feed slot, the annular groove is located between the first portion and the second portion, enclosing the first portion, and a first end of the feed slot is connected to the annular groove. The first feed conductor is disposed on the first surface corresponding to the annular groove, wherein the first feed conductor couples the ground element to feed a current signal. The second feed conductor is disposed on the first surface corresponding to the feed slot, wherein second feed conductor couples the feed slot to feed a magnetic fluid signal. | 02-19-2009 |
20090189717 | CIRCULAR POLARIZED COUPLING DEVICE - A coupling device for transmitting a wireless signal is provided. The coupling device includes a substrate, a ground layer and a feed conductor. The substrate includes a first surface and a second surface opposite to the first surface. The ground layer is disposed on the second surface having a circular opening, and the circular opening has an opening edge and an opening center. The feed conductor extends on the first surface, including a conductive portion and a feed portion connected thereto. The feed portion corresponds to the circular opening, wherein the opening center is on a base line, a radial line is formed between the opening center and the opening edge, a radial distance is formed on the radial line between the opening edge and the feed portion, and a length of the radial distance varies with an angle between the radial line and the base line. | 07-30-2009 |
20090256653 | DUAL-BAND COUPLING DEVICE - A coupling device is provided. The coupling device has a substrate, a ground element, a first feed conductor and a second feed conductor. The substrate has a first surface and a second surface. The ground element is disposed on the second surface, wherein the ground element has a first annular groove, a second annular groove and a feed slot, the second annular groove surrounds the first annular groove, the feed slot is connected to the first annular groove and the second annular groove. The first feed conductor is disposed on the first surface corresponding to the first annular groove and the second annular groove, wherein the first feed conductor couples the ground element to feed an electric current. The second feed conductor is disposed on the first surface corresponding to the feed slot, wherein the second feed conductor couples the feed slot to feed a magnetic current. | 10-15-2009 |
20090256765 | ANTENNA - An antenna is provided. The antenna includes a substrate, a feed conductor, a ground layer and a radiation slot. The substrate includes a first surface and a second surface, wherein the first surface is opposite to the second surface. The feed conductor is formed on the first surface. The ground layer is formed on the second surface. The radiation slot is formed on the ground layer, including a first radiation portion, a second radiation portion and a third radiation portion, wherein the second radiation portion connects the first radiation portion and the third radiation portion, the radiation slot is U shaped, and the feed conductor corresponds to a location between the second radiation portion and the third radiation portion. | 10-15-2009 |
20100149060 | ANTENNA MODULE AND DESIGN METHOD THEREOF - An antenna module is provided. The antenna module includes an antenna and an EBG element. The EBG element includes an EBG ground layer, a plurality of reflective units and a plurality of connection posts. The reflective units are arranged in a matrix, a gap is formed between the nearby reflective units, and the reflective units are corresponding to the antenna. Each connection post connects the reflective unit to the EBG ground layer. | 06-17-2010 |
20100194644 | APERTURE ANTENNA - An aperture antenna for transmitting a circularly polarized signal is provided. The aperture antenna includes an antenna substrate, a feed conductor and an antenna ground layer. The feed conductor is microstrip-fed or coplanar-wave-guide-fed. The antenna ground layer has an aperture, the aperture has a feed portion, a signal turning point, a first edge and a second edge, the first edge connects the feed portion to the signal turning point in a first direction, and the second edge connects the feed portion to the signal turning point in a second direction, the first direction is opposite to the second direction. When the aperture antenna transmits the circularly polarized signal, a traveling wave travels on the first edge, and at least one standing wave is formed on the second edge. | 08-05-2010 |
20100277261 | DUAL-BAND COUPLING DEVICE - A coupling device is provided. The coupling device has a substrate, a ground element, a first feed conductor and a second feed conductor. The substrate has a first surface and a second surface. The ground element is disposed on the second surface, wherein the ground element has a first annular groove, a second annular groove and a feed slot, the second annular groove surrounds the first annular groove, the feed slot is connected to the first annular groove and the second annular groove. The first feed conductor is disposed on the first surface corresponding to the first annular groove and the second annular groove, wherein the first feed conductor couples the ground element to feed an electric current. The second feed conductor is disposed on the first surface corresponding to the feed slot, wherein the second feed conductor couples the feed slot to feed a magnetic current. | 11-04-2010 |
20100328176 | ANTENNA MODULE AND DESIGN METHOD THEREOF - An antenna module is provided. The antenna module includes a reflective superstrate, an antenna substrate, an antenna and a reflective pattern. The antenna is disposed on the antenna substrate. The reflective pattern is formed on the reflective superstrate, wherein a reflection gap is formed between the reflective superstrate and the antenna substrate. The reflective pattern provides a first reflection phase angle, the antenna substrate provides a second reflection phase angle, the first reflection phase angle includes a first determined phase angle Δ | 12-30-2010 |
20110001574 | BALUN - A balun is provided. The balun includes a first substrate, a feed conductor, a second substrate, a first ground layer, a second ground layer and a common ground element. The feed conductor includes a feed portion and an extended feed portion. The feed conductor is disposed on the first substrate. The first ground layer is disposed on the second substrate corresponding to the feed portion. The second ground layer is disposed on the second substrate corresponding to the extended feed portion. A gap is formed between the first and second ground layers. The common ground element is disposed on the second substrate. The common ground element is electrically connected to the first and second ground layers. The common ground element includes a first common ground portion parallel and corresponding to the feed conductor. | 01-06-2011 |
20110001577 | SEQUENTIAL ROTATED FEEDING CIRCUIT - A sequential rotated feeding circuit for sequential rotated feeding of a signal with a wavelength λ | 01-06-2011 |
20110018782 | ANTENNA - An antenna is provided. The antenna includes a substrate, a ground element, a first feed conductor and a second feed conductor. The substrate includes a first surface and a second surface. The ground element is formed on the first surface, wherein the ground element has an aperture, the aperture is funnel shaped, the aperture has an opening portion and a convergent portion, and the opening portion is connected to the convergent portion. The first feed conductor is disposed on the second surface, wherein the first feed conductor feeds a first signal to the aperture. The second feed conductor is disposed on the second surface, wherein the second feed conductor feeds a second signal to the aperture. | 01-27-2011 |
20110163933 | BOTTOM FEED CAVITY APERTURE ANTENNA - A bottom feed cavity aperture antenna is provided. The bottom feed cavity aperture antenna includes a patch and a ground structure. The patch feeds a signal to the bottom feed cavity aperture antenna. The ground structure includes a continuous wall, and a top end and a bottom end, wherein the continuous wall surrounds the patch, a thickness of the ground structure is formed between the top end and the bottom end, a patch height is formed between the patch and the bottom end, and a ratio of the patch height to the thickness is substantially lower than ½, and a magnetic field is formed at the top end, and magnetic resonance directions of the magnetic field are parallel to a first axis. | 07-07-2011 |
20120098706 | Antenna Module and Antenna Unit Thereof - An antenna unit is provided. The antenna unit includes a first substrate, a first conductive layer, a second conductive layer, a plurality of conductive vias, a feed conductor and a patch. The first substrate includes a first surface and a second surface, wherein the first surface is opposite to the second surface. The first conductive layer is disposed on the first surface. The second conductive layer is disposed on the second surface, wherein an opening is formed on the second conductive layer, and the opening has an opening edge. The conductive vias are formed in the first substrate and connect the first conductive layer to the second conductive layer, wherein the conductive vias surround the opening to define a cavity. The feed conductor extends above the opening to feed a wireless signal to the antenna unit. The patch is disposed above the opening and is separated from the feed conductor. | 04-26-2012 |
20120313833 | APERTURE ANTENNA - An aperture antenna for transmitting a circularly polarized signal is provided. The aperture antenna includes an antenna substrate, a feed conductor and an antenna ground layer. The feed conductor is microstrip-fed or coplanar-wave-guide-fed. The antenna ground layer has an aperture, the aperture has a feed portion, a signal turning point, a first edge and a second edge, the first edge connects the feed portion to the signal turning point in a first direction, and the second edge connects the feed portion to the signal turning point in a second direction, the first direction is opposite to the second direction. When the aperture antenna transmits the circularly polarized signal, a traveling wave travels on the first edge, and at least one standing wave is formed on the second edge. | 12-13-2012 |
20130002504 | ANTENNA MODULE AND DESIGN METHOD THEREOF - An antenna module is provided for transmitting a wireless signal. The antenna module includes a reflective superstrate, an antenna substrate, a feed conductor, a ground layer and a reflective pattern. The reflective superstrate includes a third surface and a fourth surface, wherein the third surface is opposite to the fourth surface. The antenna substrate includes a first surface and a second surface, wherein the first surface is opposite to the second surface. A feed conductor is disposed on the first surface. The ground layer is disposed on the second surface. The reflective pattern is formed on the third surface and faces the feed conductor, wherein a reflection gap d is formed between the reflective pattern and the ground layer, and the wireless signal has a wavelength λ, and the reflection gap d is between λ/20 and λ/80. | 01-03-2013 |
20130257672 | MOBILE DEVICE AND ANTENNA ARRAY THEREIN - A mobile device at least includes a dielectric substrate, an antenna array, and a transceiver. The antenna array at least includes a first antenna and a second antenna. The first and second antennas are both embedded in the dielectric substrate. The first and second antennas have different polarizations. The transceiver is coupled to the antenna array so as to transmit or receive a signal. The polarization of the antenna array may be dynamically adjusted by controlling a phase difference between the first antenna and the second antenna. | 10-03-2013 |
20140354504 | ANTENNA STRUCTURE - An antenna structure comprising a substrate and an antenna is provided. The substrate comprises an upper surface and an under surface. The antenna comprises a first metal pattern and a second metal pattern. The first metal pattern is disposed on the upper surface. The first metal pattern comprises a feeding portion and a transmission line connected to the feeding portion. The second metal pattern is disposed on the under surface, and comprises a first parasitic grounding arm, a second parasitic grounding arm, a connecting arm, a grounding plane and a grounding strip. The connecting arm has a parasitic slot, and connects the first parasitic grounding arm and the second parasitic grounding arm. The grounding strip connects the connecting arm and the grounding plane. | 12-04-2014 |