Patent application number | Description | Published |
20090079639 | Antenna Device and Electronic Apparatus - According to one embodiment, an antenna device includes a folded element and an end-free element wound around a core member. A feed potion for a folded element and an end-free element is located close to one end of the core member, and a ground portion for a folded element is located closer to the one end than the feed portion. A coaxial cable connected to the feed portion is led away the antenna device, and an external conductor of the coaxial cable is connected near the ground portion. | 03-26-2009 |
20110070843 | WIRELESS TERMINAL - A wireless terminal includes an antenna which comprises an antenna element and at least one frequency switching circuit to control an operating frequency of the antenna element in accordance with a frequency control signal, a plurality of RF circuits to perform an RF signal processing, an antenna switch to connect the antenna to one of the plurality of RF circuits in accordance with a connection control signal, and a generation unit configured to generate the frequency control signal and the connection control signal in accordance with switching between a plurality of wireless communication systems or switching between transmission and reception. | 03-24-2011 |
20110183633 | Antenna Apparatus and Communication Apparatus - According to one embodiment, an antenna apparatus comprises a first antenna element, a first lumped constant element, a first lumped constant element, a switch and at least one second lumped constant element. The first antenna element comprises a forward part, a folded part and a backward part, the forward part includes a start point connected to a feeding point, and the backward part includes an end point connected to ground. The first lumped constant element is inserted in the backward part. The switch is configured to select a current path in accordance with a control signal. The at least one second lumped constant element is to be selectively connected in parallel to the first lumped constant element through the switch. | 07-28-2011 |
20120188134 | ANTENNA DEVICE AND ELECTRONIC DEVICE INCLUDING ANTENNA DEVICE - According to one embodiment, an antenna device includes a first element, a stub, and an open end element. The first element has a folded monopole structure in which a conductor is folded at a folding portion to form a forward portion and a backward portion. A base end of the forward portion is connected to a feeding point, and a distal end of the backward portion is connected to a ground via a first lumped parameter. The stub is provided between the forward portion and the backward portion of the first element so as to shunt the forward portion and the backward portion. The open end element includes a conductor placed in parallel to the first lumped parameter. A base end of the conductor is connected between the stub of the backward portion of the first element and the ground, and the distal end of the conductor is open. | 07-26-2012 |
20120194390 | MULTIPLY RESONANT ANTENNA DEVICE AND ELECTRONIC DEVICE INCLUDING SUCH AND ANTENNA DEVICE - According to one embodiment, a multiply resonant antenna device according to the embodiment includes a first antenna element formed from a monopole element, a second antenna element formed from a parasitic element placed at a position where it can be current-coupled to the first antenna element, and a third antenna element formed from a folded monopole element. The length of the first antenna element is set to nearly a ¼ of wavelength corresponding to the first resonant frequency. The length of the second antenna element is set to nearly a ¼ of wavelength corresponding to the second resonant frequency. The electrical length of the third antenna element from the feed point to a ground point through a folding end is set to nearly a ½ of wavelength corresponding to the third resonant frequency higher than the first and second resonant frequencies. | 08-02-2012 |
20120235635 | ELECTRONIC APPARATUS - According to one embodiment, an electronic apparatus includes a display device with a display screen, a first wireless communication module, a second wireless communication module, first antennas for the first wireless communication module, and second antennas for the second wireless communication module. The display screen is exposed from a front surface of a housing. At least two of each of the first antennas and the second antennas are disposed in two perpendicular sides of the housing. The two perpendicular sides are peripheral parts of the display screen. One of the first antennas disposed in the two perpendicular sides and one of the second antennas disposed in the two perpendicular sides are disposed in respective center parts of the two perpendicular sides. | 09-20-2012 |
20120249393 | ANTENNA DEVICE AND ELECTRONIC DEVICE INCLUDING ANTENNA DEVICE - According to one embodiment, a first antenna element is formed from a folded monopole element having one end connected to a feeding terminal, and the other end connected to a first ground terminal, with a stub being provided between a forward portion and a backward portion formed by folding a middle portion. A second antenna element is formed from a monopole element having one end connected to the feeding terminal directly or indirectly through part of the first antenna element. A third antenna element is formed from a parasitic element having one end connected to a second ground terminal provided at a position opposite to the first ground terminal through the feeding terminal, and the other end open, with at least part of the parasitic element being placed parallel to the second antenna element so as to be configured to be capacitively coupled to the second antenna element. | 10-04-2012 |
20130050057 | ANTENNA DEVICE AND ELECTRONIC APPARATUS INCLUDING ANTENNA DEVICE - According to one embodiment, an antenna device according to this embodiment includes first and second feed terminals. The distance between the first and second feed terminals is set to a distance less than or equal to almost one quarter a wavelength corresponding to a predetermined resonant frequency. A first end of the first antenna including a first band, as a communication band, including the resonant frequency is connected to the first feed terminal. A first end of the second antenna including a second band, as a communication band, including at least the resonant frequency of the first antenna is connected to the second feed terminal. A first protruding portion is provided between the first and second antennas so as to protrude from a ground pattern of an antenna board. | 02-28-2013 |
20130137487 | PORTABLE INFORMATION TERMINAL - According to one embodiment, a portable information terminal includes a housing, on a surface portion of which a display unit is arranged, an antenna unit which is arranged to extend from a side surface portion to a back surface portion of this housing, a first sensor configured to detect an orientation of the housing, and a controller. When this controller determines based on the detection result of the first sensor that the orientation of the housing corresponds to a horizontal state or nearly horizontal state within predetermined angle range, it suppresses a transmission power of the antenna unit. | 05-30-2013 |
20130271329 | WIRELESS TERMINAL APPARATUS - According to one embodiment, a wireless terminal apparatus includes an antenna unit and a sensor unit in a housing. The sensor unit is disposed so that at least part of the sensor unit overlaps the antenna unit. | 10-17-2013 |
20130285870 | ANTENNA APPARATUS AND ELECTRONIC DEVICE INCLUDING ANTENNA APPARATUS - According to one embodiment, an antenna apparatus includes a first antenna element, a second antenna element, and a third antenna element. The first antenna element has one end connected to a feed terminal, and other end open. The second antenna element has one end connected to a first position set on an element of the first antenna element, and other end open, with a portion between one end and the other end being disposed parallel to the first antenna element. The third antenna element has one end connected to a second position set between the other end and the first position on the element of the first antenna element, and other end open, with at least part of a portion between one end and the other end being disposed near the second antenna element. | 10-31-2013 |
20140097993 | ELECTRONIC DEVICE PROVIDED WITH ANTENNA DEVICE - In an electronic device, a first housing for receiving a wireless circuit unit and a ground part, a second housing in which a ground part, a hinge mechanism which connects the first and second housings to each other to allow the first and second housings to be rotated, and first and second antennas which resonate for the same frequency band. The first and second antennas are provided in an intermediate portion of the hinge mechanism, and arranged side by side and apart from each other by a predetermined distance in a longitudinal direction of the mechanism. In the mechanism, one of end portions of the mechanism is made electrically conductive, and the other end portion is decreased in electrical conductivity. | 04-10-2014 |
20140154977 | NON-CONTACT PROXIMITY-TYPE COMMUNICATION APPARATUS AND INFORMATION TERMINAL - In a non-contact proximity-type communication apparatus of an embodiment, the apparatus is implemented on a wireless terminal includes a wireless circuit which transmits/receives a communication signal, and configured to transmit/receive the communication signal with another terminal using an induction electric field type non-contact communication method. The apparatus includes a coupling element includes at least two pieces whose surfaces face different directions, the coupling element electrically connected to the wireless circuit and placed at an end portion of the terminal. | 06-05-2014 |
20140220906 | ANTENNA APPARATUS AND COMMUNICATION APPARATUS - According to one embodiment, an antenna apparatus comprises an antenna element connected to a feeding point, a grounded first lumped constant element connected to the antenna element, and a grounded second and third lumped constant elements connected to the antenna element through a selector. The selector is configured to connect the grounded second lumped constant element to the antenna element in order to lower a resonant frequency of the antenna element, and to connect the grounded third lumped constant element to the antenna element in order to raise the resonant frequency of the antenna element. | 08-07-2014 |
20140327585 | ELECTRONIC APPARATUS - According to one embodiment, an electronic apparatus comprises a housing, a battery and a charging connector placed on a side of the housing. The charging connector is configured to receive electrical energy used for charging the battery. The electronic apparatus further comprises a plurality of antennas. A first cellular antenna is placed on a first side of the housing, different from the side on which the charging connector is placed. A first wireless LAN antenna placed on the first side while a second cellular antenna placed on a second side of the housing, which is perpendicular to the first side. A GPS antenna is placed on a position closer to the first side than to the second cellular antenna. The battery is placed closer to a third side of the housing than to the first side, the third side being opposed to the first side. | 11-06-2014 |
20140354484 | ANTENNA DEVICE AND ELECTRONIC DEVICE - According to one embodiment, an antenna device includes a first antenna, a second antenna, a third antenna, a capacitor element, a high-frequency cable, and a base member. The first antenna includes a folded-type monopole element. The second antenna includes a monopole element. The third antenna includes a passive element. The capacitor element is between a feeding point and a stub in a backward-path portion of the first antenna. The high-frequency cable is connected to the feeding point. The base member is formed of a dielectric material and has first, second, and third surfaces located to extend in different directions. The first, second, and third antenna are located at the first, second, and third surfaces. | 12-04-2014 |