Abstract: A mobile terminal apparatus includes a casing in which a circuit board, a battery pack, and a power receptor are provided. A power feeder is provided in the battery pack and is connected to the power receptor. Terminal plates, with each having one end held on one surface which is included in the power receptor, and having two widest surfaces which are parallel to each other, one of which faces and is parallel to one of two widest surfaces of an adjacent terminal plate. The terminal plates are aligned along a direction orthogonal to the two widest surfaces. A flexible circuit board includes a flexible bendable portion provided along the direction in which the terminal plates are aligned and connects the circuit board to the power receptor.

Abstract: In a communication antenna unit which is stored inside a casing, a flexible circuit board is supported by a support member in a bent state. A first antenna conductor pattern which configures a first communication antenna and a human body sensor are substantially formed on a flat plane section of the flexible circuit board adjacent to a curved section of the flexible circuit board. A second antenna conductor pattern which configures a second communication antenna is substantially formed on the curved section. The first antenna conductor pattern and the second antenna conductor pattern are connected to each other through an inductor coil which configures a resonant circuit portion.

Abstract: In a communication antenna unit which is stored inside a casing, a flexible circuit board is supported by a support member in a bent state. A first antenna conductor pattern which configures a first communication antenna and a human body sensor are substantially formed on a flat plane section of the flexible circuit board adjacent to a curved section of the flexible circuit board. A second antenna conductor pattern which configures a second communication antenna is substantially formed on the curved section. The first antenna conductor pattern and the second antenna conductor pattern are connected to each other through an inductor coil which configures a resonant circuit portion.

Abstract: Provided is a portable communication device, specifically a portable wireless device which is thin while maintaining excellent reception sensitivity even when the device is laid on a metal top panel. As such device (100), a foldable portable cellular phone (100) is provided with a battery box (117) opened on the side of a rear surface (115), and a circuit board (121) having an antenna power feed point (124) is arranged inside a lower case (114). The battery box (117) is covered with a battery cover section (140) removably attached to the lower case (114). The battery cover section (140) is formed of a member having conductivity, and attached to the lower case (114) by having contact point members (151, 152) in between for carrying a current to a reinforcing conductive plate (125) which is to be a GND layer of the circuit board (121).

Abstract: A portable radio having a housing 10 made up of a combination of a first case 11 and a second case 12 includes: an annular resilient member 13 sandwiched between the first case 11 and the second case 12; a flexible printed board 14 that is formed integrally with the annular resilient member 13 and that is provided in at least an area surrounded by the annular resilient member 13; an antenna section 15 that is provided on the flexible printed board 14 while being folded along a plurality of inner wall surfaces which are oriented in mutually different orientations and which belong to at least one of the first case 11 and the second case 12; and a circuit board 17 placed within an area surrounded by the annular resilient member 13.

Abstract: A portable radio communication device includes a first circuit board provided in a first housing, first and second radio frequency sections provided on the first circuit board, a first power supply section that supplies power from the first radio frequency section to a core wire of a coaxial cable, a second power supply section that supplies power from the second radio frequency section to an outer conductor of the coaxial cable, and an antenna element provided in the first housing. One end portion of the outer conductor is connected to a ground pattern of the first circuit board via a first reactance element, and the other end portion of the outer conductor is connected to the ground pattern of the first circuit board via a second reactance element.

Abstract: There is provided a portable radio capable of facilitating assuring water-tightness of a neighboring area of power feed sections and assuring a stable state of connection between a conductor, such as an antenna, and a circuit board. A portable radio includes an annular resilient member 13 sandwiched between a first case 11 and a second case 12; a flexible printed board 14 that is formed integrally with the annular resilient member 13 and that extends toward an area surrounded by the annular resilient member 13; an antenna section 15 and a first power feed section 19 that are provided on the flexible printed board 14; a circuit board 17 set in the area surrounded by the annular resilient member 13; an electric circuit section 18 provided on the circuit board 17; and a second power feed section 20 electrically connected to the electric circuit section 18.

Abstract: There is provided a wireless communication terminal that can accept plural wireless systems different in operating frequency by one antenna element. An antenna element 1 and a second conductive element 33 are connected to each other through a first blocking part 22 that blocks a second frequency band, the antenna element 1 and a first conductive element 23 are connected to each other through a second blocking part 32 that blocks a first frequency band, and the first wireless circuit 21 and the second wireless circuit 31 are arranged on boards different in potential to improve an isolation performance between the plural wireless systems, thereby enabling an excellent antenna performance to be obtained.

Abstract: An object of the present invention is to provide an antenna device for a radio apparatus in which the amount of energy (SAR) absorbed by a head of a human body can be reduced without lowering the power of radio waves transmitted during a call. There is provided a board 108 serving as a base plate of an antenna element, an antenna element 102 disposed in a longitudinally end portion of the board 108 through a feeding portion 107, a conductor plate 109 disposed substantially in parallel with a main surface of the board 108 and disposed on the opposite side to a surface having a sound hole of a receiver portion, and a plurality of short-circuit conductors 110 disposed on a lower end portion of the conductor plate 109. The conductor plate 109 is short-circuited to a lower end portion of the board 108 through the short-circuit conductors 110.

Abstract: There is provided a portable radio that exhibits high waterproof property and dust resistance property without impairing toughness and antenna performance while pursuing a smaller size. A portable radio 100 has a first case member 11 and a second case member 15 to be joined to a surrounding area of an opening of the first case member 11 by way of a soft seal member 13 and houses a circuit board 19 connected to an antenna element 17 within a case. The seal member 13 has an annular structure including a first extension part 35 made of a nonconductive material and a second extension part 37 to be connected to both ends of the first extension part 35, in which a conductive material included in at least a portion of the second extension part serves as the antenna element, a passive element, and an earth line. A hardness of the seal member 13 exhibits substantially the same hardness in both the first extension part 35 and the second extension part 37.

Abstract: A foldable portable radio device adapted to a plurality of frequency bands has a good antenna performance in all the use frequency bands even in both open and folded states. In the foldable portable radio device, a control section (24) controls switching means (20) to connect a sub-matching circuit (19) and a first circuit element (21) when a first use frequency band is used and further when the foldable portable radio device is in the open state and to connect the sub-matching circuit (19) and a second circuit element (22) when a first use frequency band is used and further when the foldable portable radio device is in the closed state, or when a second use frequency band is used irrespective of the open/closed state of the foldable portable radio device.

Abstract: An object of the present invention is to provide an antenna device for a radio apparatus in which the amount of energy (SAR) absorbed by a head of a human body can be reduced without lowering the power of radio waves transmitted during a call. There is provided a board 108 serving as a base plate of an antenna element, an antenna element 102 disposed in a longitudinally end portion of the board 108 through a feeding portion 107, a conductor plate 109 disposed substantially in parallel with a main surface of the board 108 and disposed on the opposite side to a surface having a sound hole of a receiver portion, and a plurality of short-circuit conductors 110 disposed on a lower end portion of the conductor plate 109. The conductor plate 109 is short-circuited to a lower end portion of the board 108 through the short-circuit conductors 110.

Abstract: An object of the present invention is to provide an antenna device for a radio apparatus in which the amount of energy (SAR) absorbed by a head of a human body can be reduced without lowering the power of radio waves transmitted during a call. There is provided a board 108 serving as a base plate of an antenna element, an antenna element 102 disposed in a longitudinally end portion of the board 108 through a feeding portion 107, a conductor plate 109 disposed substantially in parallel with a main surface of the board 108 and disposed on the opposite side to a surface having a sound hole of a receiver portion, and a plurality of short-circuit conductors 110 disposed on a lower end portion of the conductor plate 109. The conductor plate 109 is short-circuited to a lower end portion of the board 108 through the short-circuit conductors 110.

Abstract: The present invention provides an antenna apparatus for a wireless unit, the antenna apparatus exhibiting a reduced specific absorption rate (SAR) without an additional component for reducing the SAR, which is the amount of energy of an electromagnetic wave absorbed by a human body.

Abstract: A foldable portable radio device adapted to a plurality of frequency bands has a good antenna performance in all the use frequency bands even in both open and folded states. In the foldable portable radio device, a control section (24) controls switching means (20) to connect a sub-matching circuit (19) and a first circuit element (21) when a first use frequency band is used and further when the foldable portable radio device is in the open state and to connect the sub-matching circuit (19) and a second circuit element (22) when a first use frequency band is used and further when the foldable portable radio device is in the closed state, or when a second use frequency band is used irrespective of the open/closed state of the foldable portable radio device.

Abstract: Provided is a portable communication device, specifically a portable wireless device which is thin while maintaining excellent reception sensitivity even when the device is laid on a metal top panel. As such device (100), a foldable portable cellular phone (100) is provided with a battery box (117) opened on the side of a rear surface (115), and a circuit board (121) having an antenna power feed point (124) is arranged inside a lower case (114). The battery box (117) is covered with a battery cover section (140) removably attached to the lower case (114). The battery cover section (140) is formed of a member having conductivity, and attached to the lower case (114) by having contact point members (151, 152) in between for carrying a current to a reinforcing conductive plate (125) which is to be a GND layer of the circuit board (121).

Abstract: A portable wireless device is formed of a lower housing and an upper housing coupled together by a hinged section, which makes the device foldable. A lower circuit board is coupled to an upper circuit board by a flexible cable, which is placed away from a power feeder of an antenna element with a given space and near the hinged section along the width direction of this foldable device. An end of conductive element is shorted to the lower circuit board with a shorting conductor near a connector which couples the flexible cable to the lower circuit board. The foregoing structure allows the portable and foldable wireless device to reduce an amount of energy supposed to be absorbed into a temporal region of a human body while the electric power of the transmitted radio wave is maintained during a phone conversation.

Abstract: A portable wireless device is formed of a lower housing and an upper housing coupled together by a hinged section, which makes the device foldable. A lower circuit board is coupled to an upper circuit board by a flexible cable, which is placed away from a power feeder of an antenna element with a given space and near the hinged section along the width direction of this foldable device. An end of conductive element is shorted to the lower circuit board with a shorting conductor near a connector which couples the flexible cable to the lower circuit board. The foregoing structure allows the portable and foldable wireless device to reduce an amount of energy supposed to be absorbed into a temporal region of a human body while the electric power of the transmitted radio wave is maintained during a phone conversation.

Abstract: The present invention provides an antenna apparatus for a wireless unit, the antenna apparatus exhibiting a reduced specific absorption rate (SAR) without an additional component for reducing the SAR, which is the amount of energy of an electromagnetic wave absorbed by a human body.

Abstract: An object of the present invention is to provide an antenna device for a radio apparatus in which the amount of energy (SAR) absorbed by a head of a human body can be reduced without lowering the power of radio waves transmitted during a call. There is provided a board 108 serving as a base plate of an antenna element, an antenna element 102 disposed in a longitudinally end portion of the board 108 through a feeding portion 107, a conductor plate 109 disposed substantially in parallel with a main surface of the board 108 and disposed on the opposite side to a surface having a sound hole of a receiver portion, and a plurality of short-circuit conductors 110 disposed on a lower end portion of the conductor plate 109. The conductor plate 109 is short-circuited to a lower end portion of the board 108 through the short-circuit conductors 110.