Patent application number | Description | Published |
20100176997 | Antenna and electric device having the same - An antenna for transmitting and receiving an electric wave in plural frequency bands has a conductor, two slots formed in the conductor to be facing to each other, opened ends of the two slots being formed on opposite sides, respectively, and a feeding point formed only in either one of the two slots | 07-15-2010 |
20110057844 | ANTENNA AND ELECTRONIC DEVICE EQUIPPED WITH SAME - An antenna according to the present invention comprises: a conductor plate with an axisymmetrical shape; a slot formed on the conductor plate; and a feeding point provided on the axisymmetrical axis of the conductor plate, in which the conductor plate is folded along two locations that are parallel to the axisymmetrical axis toward mutually different directions. | 03-10-2011 |
20110109408 | Electromagnetic coupler and communication apparatus using the same - An electromagnetic coupler has a first conductor pattern and a second conductor pattern separated from the first conductor pattern that are formed in a first plane, a feeding pattern made of a conductor and being connected to a feeing system and a ground made of a conductor and being separated from the feeding pattern that are formed in a second plane, and linear conductors electrically connecting between the first conductor pattern and the feeding pattern, and between the second conductor pattern and the ground, respectively. | 05-12-2011 |
20110187616 | COMPOSITE ANTENNA DEVICE - There is provided a composite antenna device for responding to waves in a plurality of radio frequency bands, including: a sheet of conductor plate; a first antenna provided on the sheet of conductor plate for responding to a linearly-polarized wave in at least one radio frequency band; and a second antenna provided on the sheet of conductor plate for responding to a circularly-polarized wave in a radio frequency band that is different from the at least one radio frequency band, wherein the first antenna has a ground portion, the second antenna is formed in an area in the ground portion, and each of the first antenna and the second antenna has a feeding point. | 08-04-2011 |
20130175081 | DIFFERENTIAL SIGNAL TRANSMISSION CABLE - A differential signal transmission cable includes a pair of differential signal lines arranged in parallel to each other, an insulation for bundle-covering the pair of differential signal lines, and a shield conductor wound around an outer periphery of the insulation The insulation is configured such that an outer circumference thereof in a cross section perpendicular to a longitudinal direction thereof has an oval shape formed with a continuous convex arc-curve The oval shape has a width in a first direction along the arrangement direction of the pair of differential signal lines being larger than a width in a second direction orthogonal to the first direction | 07-11-2013 |
20130285866 | DUAL BAND ANTENNA - A dual band antenna providing a high forward gain includes a radiator, a director disposed in front of the radiator, and a reflector disposed behind the radiator. A dual resonance notch antenna including a conducting plate and a feeding portion is used as the radiator. The director includes a conducting plate and a short-circuiting portion and the reflector includes a conducting plate and a short-circuiting portion. Each conducting plate is disposed such that the direction of a normal to the conducting plate is a front-rear direction. Two slots having different lengths are formed in each conducting plate so as to be aligned with each other. The feeding portion is disposed in one of the slots. Each short-circuiting portion is disposed in one of the two slots at a position corresponding to the feeding portion. | 10-31-2013 |
20130319724 | DIFFERENTIAL SIGNAL TRANSMISSION CABLE - A differential signal transmission cable includes a pair of differential signal lines arranged in parallel to each other, an insulation for bundle-covering the pair of differential signal lines, and a shield conductor wound around an outer periphery of the insulation. The insulation is configured such that an outer circumference thereof in a cross section perpendicular to a longitudinal direction thereof has an oval shape formed with a continuous convex arc-curve. The outer circumference of the insulation includes a first curved portion with a pair of symmetrical elliptical arcs located at both ends in a first direction along the arrangement direction of the pair of differential signal lines and a second curved portion with a pair of symmetrical elliptical arcs located at both ends in a second direction orthogonal to the first direction. | 12-05-2013 |
20160141071 | COAXIAL CABLE AND MEDICAL CABLE USING SAME - A coaxial cable includes a central conductor, and an electrical insulator formed around a circumference of the central conductor. The electrical insulator is made of an electrical insulating tape wrapped and overlapped around the circumference of the central conductor. The electrical insulating tape includes a plurality of voids formed on one outer circumferential surface. | 05-19-2016 |