Patent application number | Description | Published |
20080266202 | ANTENNA UNIT - An antenna unit has a first antenna operating at wireless telecommunication bands and a second antenna operating at wireless local area network bands. The first antenna has a first radiating conductor with a first feeding point defining opposite sides, a second, a third and a fourth radiating conductors extending from both sides of the first radiating conductor. A parasitic element defines opposite ends. One end of the parasitic element confronts the free end of the third radiating conductor. A trap circuit connects the fourth radiating conductor and the parasitic element. A second antenna has a third side, a fourth side and a stair-shape side. The connection of the sides of the second antenna forms a first protrusion with a second feeding point and a second protrusion confronting the first antenna. A slot is opened on the second antenna. A ground portion is spaced from the first radiating conductor and the first protrusion. | 10-30-2008 |
20080278389 | Multi-band antenna - A multi-band antenna is arranged on a housing with a first surface, a second surface opposite to the first surface, and a third surface connecting the first and second surfaces, which has a first radiating conductor and a parasitic element formed as an elongated shape and arranged on the first surface. A trap circuit connects the first radiating conductor and the parasitic element. A ground portion is arranged on the second surface. A second radiating conductor is arranged on the third surface and spaced from the first radiating conductor and the ground portion, which is formed as an elongated shape. A feeding conductor with a feeding point connects the first and second radiating conductors. The multi-band antenna obtains a low frequency band through the cooperation of the first radiating, the parasitic element and the trap circuit, and a high frequency band through the second radiating conductor and the parasitic element. | 11-13-2008 |
20080303731 | MULTI-BAND ANTENNA - A multi-band antenna has a radiating conductor, a feeding conductor and a short conductor. The feeding conductor and the short conductor connect to one side of the radiating conductor, which are arranged close to each other. The radiating conductor has a slot containing an opening portion, a first extension portion and a second extension portion communicating with each other. The opening portion opening at the other side of the radiating conductor and the first and second extension portions extend to different directions. The second extension portion defines a short portion on the radiating conductor. The multi-band antenna is divided by the slot to form an inverted-F portion being similar to an inverted-F antenna to resonate at a first frequency band, and a loop portion being similar to a loop antenna to resonate at a second frequency band. | 12-11-2008 |
20090027275 | ANTENNA STRUCTURE - An antenna structure includes a connection portion. A feed portion connecting to the connection portion defines a feed point thereon. An inductance portion extends from the connection portion, and a free end of the inductance portion connects to a ground end. A capacitance portion that is in a long narrow strip shape extends from the connection portion and is parallel with and adjacent to the ground end. And radiating portions connect to the connection portion respectively. The antenna structure employs the inductance portion, the capacitance portion and the ground end to simulate a LC parallel connection to substitute for an inductor and a capacitor. Therefore, the antenna structure achieves an aim of adjusting a resonance frequency and an impedance matching without the inductor and the capacitor, simplifying the design of the antenna structure, decreasing the manufacture cost and attaining a good performance. | 01-29-2009 |
20100013715 | ANTENNA - An antenna includes a first radiating conductor and a second radiating conductor. The first radiating conductor defines a first edge, a second edge and a lateral edge connecting the first edge and the second edge. The second radiating conductor has a main body spaced away from the second edge and connected to an end of the first radiating conductor far away from the lateral edge by a first connecting portion and extending towards the lateral edge. A free end of the main body bends to the second edge to form a second connecting portion spaced away from the lateral edge. A radiating end bends oppositely to the first radiating conductor from an end of the second connecting portion and is adjacent to the second edge. A feeding conductor and a grounding conductor are connected to an edge of the first radiating conductor different from the first edge and the lateral edge. | 01-21-2010 |
20100019973 | MULTI-BAND ANTENNA - A multi-band antenna has a grounding plate, a radiating element and a parasitic element. The radiating element has a level radiating portion disposed a predetermined distance away from the grounding plate and a first connecting portion connecting the level radiating portion with the grounding plate. The parasitic element has a substantially L-shaped parasitic portion away from the grounding plate and a second connecting portion disposed at the same side of the grounding plate with the first connecting portion to connect a free end of the L-shaped parasitic portion with the grounding plate. The L-shaped parasitic portion is substantially at the same plane with and spatially fences the level radiating portion to define a substantially L-shaped space. The multi-band antenna has simple structure and small size to be assembled in the limited space of notebook. | 01-28-2010 |
20100039327 | DIGITAL TELEVISION ANTENNA - A digital television antenna includes a ground plane, a first receiving portion, a second receiving portion, a linking portion, a first connecting strip, a longitudinal receiving strip, a second connecting strip, a feed-in portion and a coupling portion. The grounding plane, the longitudinal receiving strip, the first connecting strip, the first receiving portion, the linking portion, the second receiving portion, the second connecting strip and the feed-in portion compose a unit which can receive a frequency range between 470 and 650 MHZ wireless signal, and the coupling portion couples with the unit to receive a frequency range between 650 and 890 MHZ wireless signal. Therefore, the digital television antenna can receive the 474-858 MHZ range wireless signal which is used in the digital television field. | 02-18-2010 |
20100060525 | MULTI-BAND ANTENNA - A multi-band antenna includes a feed-in element having a feed-in point thereon. A first connecting portion extends from one side of the feed-in element. A ground element connects to a side of the first connecting portion and is parallel to the feed-in element. A holding portion perpendicularly extends from a side of the ground element opposite the first connecting portion. A second connecting portion perpendicularly bends and extends from a side of the feed-in element opposite the first connecting portion. A first radiating portion extends from one side of the second connecting portion. A second radiating portion extends from the other side of the second connecting portion opposite the first radiating portion. The first radiating portion and part of the second radiating portion are disposed at one side of the holding portion. The rest part of the second radiating portion is disposed at the other side of the holding portion. | 03-11-2010 |
20100066609 | DIGITAL TELEVISION ANTENNA - An antenna adapted for a digital television includes a base board defining a grounding region on a surface thereof, an antenna element made of conductive material and disposed on the base board, and a circuit disposed on the grounding region of the base board. The antenna element meanders like a plurality of series-connected zigzags along a lengthwise direction of the base board and gradually increases a transverse length thereof in process of meandering to show a substantially trapezoid outline. The circuit is electrically connected with one end of the antenna element having a shortest transverse length. That can increase frequency bandwidth of electromagnetic waves received, instead of extra metal parasitical elements. So the antenna can reduce the manufacture cost and make the structure simpler. | 03-18-2010 |
20100079352 | ANTENNA SYSTEM AND METHOD FOR MAKING THE SAME - An antenna system adapted for a communication device has a common antenna with a predetermined length, an AM matching circuit matching with the common antenna and an FM matching circuit matching with the common antenna. A switch alternatively electrically connects the common antenna to the AM matching circuit and the FM matching circuit for achieving the AM function and FM function. | 04-01-2010 |
20100117907 | DUAL-BAND ANTENNA - A dual-band antenna includes a first radiating portion, a second radiating portion and a third radiating portion. The second radiating portion includes a first section extending perpendicularly from a free end of the first radiating portion, and a second section extending substantially perpendicular to the first section and opposite to the first radiating portion from the first section. The third radiating portion includes a first segment extending in alignment with the first radiating portion from the free end of the first radiating portion, a second segment extending perpendicularly towards the second section from the first segment and spaced away from the first section and a third segment extending perpendicularly back to the first section from the second segment and spaced away from the second section. A feeding point is disposed at a junction of the first, second and third radiating portion. | 05-13-2010 |
20100117918 | DUAL-BAND ANTENNA - A dual-band antenna adapted for an Ultra-mobile Personal Computer has a grounding element including a first grounding portion of elongated plate shape and a second grounding portion extending substantially perpendicular to the first grounding portion from a long edge of the first grounding portion. A connecting element is connected with the second grounding portion. An installing element is connected with the second grounding portion and spaced away from the connecting portion. A radiating element includes a low frequency resonator extending from the connecting element, a high frequency resonator extending opposite to the low frequency resonator and towards the installing element from the connecting element, and an enhancing frequency resonator extending from an edge of the installing element back to the high frequency resonator. The low, high and enhancing frequency resonators are substantially aligned with each other and parallel to the second grounding portion. | 05-13-2010 |
20100171664 | DUAL-BAND ANTENNA - A dual-band antenna has a feeding portion including a first feeding portion and a second feeding portion extending perpendicularly from a top of the first feeding portion. A first high-frequency portion spaced away from the second feeding portion extends upwards from the first feeding portion, and a second high-frequency portion extends perpendicularly from the first high-frequency portion and located at a same side with respect to the first feeding portion as the second feeding portion. A first low-frequency portion located at a same side with respect to the first feeding portion as the second high-frequency portion extends perpendicularly from an end of the first feeding portion. A second low-frequency portion extends upwards from the first low-frequency portion. A third low-frequency portion extends back to the first low-frequency portion from the second low-frequency portion. A grounding portion connected with the feeding portion by a connecting portion faces the low-frequency radiator. | 07-08-2010 |
20100184493 | MOBILE PHONE - A mobile phone has a housing and an antenna assembly configured in the housing. The housing has a front portion, a rear portion, a top portion, a bottom portion and a side portion. The antenna assembly has a telecommunication antenna operating as at least one wireless telecommunication band, a short range antenna operating as at least one wireless short range communication band, a first broadcast receiving antenna operating at first broadcast band and a second broadcast receiving antenna operating at second broadcast band. The first broadcast band is lower than the second broadcast band. Each of the antennas is configured in at lest one of the portions of the housing. The mobile phone operates at diverse wireless communication systems by using the antennas. The antennas are dispersed in the mobile phone for reducing electromagnetic interference and size of the mobile phone. | 07-22-2010 |
20100253584 | Antenna apparatus - An antenna apparatus includes a housing defining a plurality of walls and a plurality of included angle spaces between the walls. An inner surface of one of the walls is configured a telecommunication antenna. One of the included angle spaces opposite to the wall on which the telecommunication antenna is configured a global positioning system antenna. A broadcast receiving antenna positions in the housing and between the telecommunication antenna and the global positioning system antenna. Because the telecommunication antenna and the global positioning system antenna position away from each other, the interference therebetween will be reduced. | 10-07-2010 |
20100265157 | Multi-band antenna - A multi-band antenna includes a base plate having two opposite transverse edges and two opposite longitudinal edges respectively connected to the two transverse edges. A high frequency radiating element and a capacitance element are respectively bent downward from the two transverse edges of the base plate and then extend in a transverse direction. A feeding point is defined at one end of the capacitance element adjacent to the base plate. A low frequency radiating element extends from one longitudinal edge of the base plate. An inductance element extends from the other longitudinal edge of the base plate and has a transverse border exceeding the base plate in a longitudinal direction. A grounding element is bent downward from the transverse border of the inductance element and then extends in the same direction as the high frequency radiating element to be spaced from the capacitance element. | 10-21-2010 |
20100283685 | MULTI-BAND ANTENNA - A multi-band antenna has a grounding plate with a first end and a second end defined at a longer side thereof. The longer side has an upward first connecting portion adjacent to the first end and a vertical second connecting portion. A feeding portion extends downwards from a lower edge of the second connecting portion. A first antenna radiator extends towards a same direction with respect to the second connecting portion along the grounding plate from an upper side of the second connecting portion. A second antenna radiator includes a first radiating portion, a second radiating portion and a third radiating portion. A third antenna radiator extends parallel to the first radiating portion from a side of the feeding portion. A coupling component includes a first section, a second section and a third section extending opposite to the first section from an end of the second section. | 11-11-2010 |
20100289700 | Multi-band antenna - A multi-band antenna includes a first radiator resonating at a high frequency bans and a second radiator extended from a first end and toward a second end of the first radiator, and resonating at a low frequency range. An opening slot is formed between the first and the second radiators. A connecting slot and an end slot are formed in the second radiator. The width of the connecting slot is wider than the width of the opening slot. The connecting slot can prevent vectors potential caused by the second radiator from being neutralized. The electromagnetic coupling effect over the opening slot caused by the first radiator and the second radiator can pull down the low frequency range for reducing the size of the second radiator. Therefore, the multi-band antenna has a small size. | 11-18-2010 |