Patent application number | Description | Published |
20080291091 | DUAL BAND ANTENNA - A dual band antenna has a ground portion, a first radiating conductor spaced from one side of the ground portion, a second radiating conductor connected between one end of the first radiating conductor and the ground portion, a third radiating conductor connected on the other end of the first radiating conductor, a fourth radiating conductor extended from the third radiating conductor, a parasitic element arranged to close to the second radiating conductor and connected to the ground portion and a feeding cable connected to the free end of the third radiating conductor. When the dual band antenna operates, the first, second and third radiating conductors obtain a first wireless location area network bandwidth covering 2.4 GHz to 2.5 GHz, and the third radiating conductor, the fourth radiating conductor and the parasitic element obtain a second wireless location area network bandwidth covering 4.9 GHz to 5.87 GHz. | 11-27-2008 |
20090009413 | Integrated Multi-Band Antenna - An integrated multi-band antenna has a first radiating conductor, a second radiating conductor spaced from the first radiating conductor, a trap element connected to the first and second radiating conductors, a third radiating conductor with a first feeding point connected to the first radiating conductor, a fourth radiating conductor connected to the second and third radiating conductors, a meandering radiating conductor having two ends which respectively connect a fifth radiating conductor with a second radiating conductor and a sixth radiating conductor parallel to the meandering radiating conductor and a ground portion arranged close to the first radiating conductor and spaced from the fifth radiating conductor. The second, third and fourth radiating conductors resonate at a first frequency bandwidth. The first, second and third radiating conductor and the trap element resonate a second frequency bandwidth. The fifth, sixth and meandering radiating conductors resonate a third and a fourth frequency bandwidths. | 01-08-2009 |
20090027273 | WIDE BAND ANTENNA - A wide band antenna mounted to a dielectric element has a first patch, a second patch spaced from the first patch and a ground patch. The first patch has a first portion with a feeding point thereat and a second portion connecting the first portion. The second patch has a third portion and a fourth portion connecting the third portion. The first portion and the second portion of the first patch space from and parallel the third portion and the fourth portion of the second patch respectively. The ground patch is close to the first portion of the first patch and the third portion of the second patch. The first patch obtains a first frequency range. The second patch responses electromagnetic energy from the first patch to obtain a second frequency range. Scope of the first and the second frequency ranges covers portion of ultra wide band communication frequency. | 01-29-2009 |
20090079643 | DUAL-BAND ANTENNA - A dual-band antenna has a first meandering portion, a second meandering portion and a connection portion defining two ends. The first meandering portion and the second meandering portion have different length. One end of the first meandering portion connects one end of the second meandering portion. The other end of the first meandering portion connects one end of the connection portion. The other end of the second meandering portion connects a feeding portion. The other end of the connection portion connects a ground portion. The feeding portion, the second meandering portion, the first meandering portion and the connection portion obtain an electrical resonance corresponding to a first frequency range. The second meandering portion obtains an electrical resonance corresponding to a second frequency range. | 03-26-2009 |
20100066630 | Dual-Band Antenna - A dual-band antenna has a grounding portion, two ends of which extend substantially perpendicular to the grounding portion towards a same side to form a first fixing portion and a second fixing portion. An antenna unit extends towards the first fixing portion from the second fixing portion. The antenna unit includes a basic portion spaced from the grounding portion, a feeding point positioned at the basic portion, and a first and second radiating portion extending towards the first fixing portion from the basic portion side by side to space from each other. The first radiating portion extends beyond the second radiating portion. A coupling portion extends towards the second fixing portion from the first fixing portion along a substantially longitudinal centerline of the second radiating portion, with a free end thereof away from the second radiating portion and beyond a free end of the first radiating portion to define a space therebetween. | 03-18-2010 |
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 |
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 |
Patent application number | Description | Published |
20130342973 | ELECTRONIC DEVICE - An electronic device is provided. The electronic device includes a metal housing, a first opening, a first metal line, a first grounding point and a first current zero point. The first opening passes through the metal housing. The first metal line is disposed inside the first opening, wherein a first end of the first metal line is electrically connected to a side of the first opening, and a second end of the first metal line has a first feeding point. The first grounding point and the first current zero point are located on the side of the first opening. The metal housing forms a first loop antenna to transmit or receive a first radio frequency signal by a first excitation path from the first feeding point to the first grounding point. | 12-26-2013 |
20140062798 | HANDHELD ELECTRONIC DEVICE - A handheld electronic device is provided. The handheld electronic device includes a main body, a heat vent structure, and an antenna. The heat vent structure is disposed on the main body. The antenna is disposed on the heat vent structure for transmitting/receiving at least one radio frequency signal. | 03-06-2014 |
20140208527 | Automatic floor sweeping and mopping device - The device of the present invention can carry out floor sweeping and mopping automatically and simultaneously. The automatic floor sweeping and mopping device includes a main body, a rotational sweeping brush unit, a dust collecting unit, two rolling wheels, a mopping unit, a water spraying unit, a squeegee unit and a water storing tank. The mopping unit is made of a soft, water-absorbing material and can remove residual dirt not removed by the rotational sweeping brush unit. The water spraying unit is an innovative feature and is provided above the mopping unit to keep the mopping unit in a clean condition by removing dusts and dirt stuck to it. The squeegee unit can squeeze dirt and dirty water out of the mopping unit and keep the mopping unit in a clean, partially wet condition. Because the device leaves no dirty water behind, such feature is surely superior. | 07-31-2014 |
20150022403 | MOBILE DEVICE AND ANTENNA STRUCTURE THEREIN - A mobile device includes a proximity sensor, a controller, an RF (Radio Frequency) module, and a metal frame. The proximity sensor generates a detection signal. The controller generates a control signal according to the detection signal. The RF module generates an RF feeding signal, and adjusts an RF power of the RF feeding signal according to the control signal. The metal frame includes a first portion and a second portion. An antenna structure is formed by the first portion. A sensing metal element is formed by the first portion and the second portion. The sensing metal element is further coupled to the proximity sensor. The antenna structure directly or indirectly receives the RF feeding signal from the RF module. | 01-22-2015 |
20150022422 | MOBILE DEVICE AND MULTI-BAND ANTENNA STRUCTURE THEREIN - A mobile device includes a dielectric substrate, a ground plane, an RF (Radio Frequency) module, an antenna structure, a bypass inductor, matching circuits, and a switch circuit. The antenna structure includes a first radiation element and a second radiation element. The first end of the first radiation element is connected to the RF module, and the second end of the first radiation element is open. The second radiation element is separate from the first radiation element. The first end of the second radiation element is open and adjacent to the first radiation element, and the second end of the second radiation element is connected through the bypass inductor to the ground plane. The switch circuit selects one of the matching circuits according to a control signal. The second end of the second radiation element is further connected through the selected matching circuit to the ground plane. | 01-22-2015 |
20150042517 | MULTI-BAND ANTENNA - A multi-band antenna including a ground plane, a radiation element, a first extension element and a second extension element is provided. The radiation element includes a first portion and a second portion electrically connected with each other. The first portion has a feeding point. The first and the second extension elements are extended from the ground plane. The first extension element and the first portion are spaced by a first coupling distance. The second extension element and the second portion are spaced by a second coupling distance. The multi-band antenna is operated in a first band through the radiation element. A feeding signal from the radiation element excites the first and the second extension elements through the first and the second coupling distances so that the multi-band antenna is operated further in a second band and a third band. | 02-12-2015 |
20150082579 | ELECTRIC SWEEPING WASHING DEVICE - An electric sweeping washing device includes a sweeping washing brush and a water collection system design. The sweeping washing brush includes a body; a sweeping roller brush disposed anteriorly at the body; and a dust collecting box for raking dust; a water absorbing scrubbing roller brush disposed posteriorly at the body; a sprinkler head; and a water absorbing scraper for absorbing water from the water absorbing scrubbing roller brush and raking dirty water. The water collection system design includes a tank divided into a clean water chamber and the dirty water chamber, wherein the sprinkler head, the clean and dirty water chambers, a water absorbing scraper, and the dust collecting box are connected via tubes; a spray motor for withdrawing clean water from the clean water chamber and delivering it to the sprinkler head; and an air intake motor for providing vacuum pressure to the dirty water chamber. | 03-26-2015 |