WO2010007932A1 - 短辺方向スライド型無線装置 - Google Patents
短辺方向スライド型無線装置 Download PDFInfo
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- WO2010007932A1 WO2010007932A1 PCT/JP2009/062511 JP2009062511W WO2010007932A1 WO 2010007932 A1 WO2010007932 A1 WO 2010007932A1 JP 2009062511 W JP2009062511 W JP 2009062511W WO 2010007932 A1 WO2010007932 A1 WO 2010007932A1
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- casing
- short
- housing
- side direction
- slide
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
- H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
- H04M1/0235—Slidable or telescopic telephones, i.e. with a relative translation movement of the body parts; Telephones using a combination of translation and other relative motions of the body parts
- H04M1/0237—Sliding mechanism with one degree of freedom
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/08—Means for collapsing antennas or parts thereof
- H01Q1/084—Pivotable antennas
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
Definitions
- the present invention relates to a wireless device that opens and closes in the short side direction of a housing, and particularly relates to a technique for improving its communication characteristics.
- an induced current is generated in the vicinity of the antenna of the second casing where the antenna is disposed.
- an induced current is generated in the first casing as well as the second casing. The induced current contributes to the radiation characteristics of the antenna.
- the main frequency band used in wireless devices is often a frequency band corresponding to a wavelength whose length in the short side direction of the casing is about ⁇ / 4. It flows so as to flow in the direction of ⁇ / 4, which is the long side, that is, in the short side direction of the housing. Good antenna characteristics can be obtained by controlling the induced current generated on these cases.
- Patent Document 1 there is a technical report regarding improvement of antenna characteristics of a long-side sliding mobile wireless device. According to this Patent Document 1, it is possible to widen the antenna and control the radiation pattern.
- the connection load for widening the band is inductive, and the connection load for controlling the radiation pattern is capacitive, with different reactance constants. Therefore, it has been difficult to achieve both the purpose of broadening the antenna and controlling the radiation pattern in the same frequency band.
- Patent Document 2 discloses a technique for improving antenna characteristics in a free space of a small and thin long-side sliding type device, but originally a new technique for the problem that the antenna characteristics cannot be secured. This is what we are proposing. JP 2006-203806 A JP 2006-325098 A
- the above-described induced current is generated in the second casing in which the antenna is arranged.
- This induced current flows from the antenna feeding point toward the other end along the short side direction of the casing having a length of about ⁇ / 4 which is the resonance length.
- an induced current similar to that of the second casing is also generated on the first casing side.
- This induced current flows from the antenna feeding point side to the other end along the short side direction of the casing, similarly to the induced current generated on the second casing side.
- the induced currents generated in the first casing and the second casing are currents that flow in opposite directions around the feeding point when the slide is open. That is, since the induced current generated in the first casing and the induced current generated in the second casing are in opposite phases, they cancel each other.
- the canceled current component contributes to the vertical polarization component that is the main polarization when data communication is performed in the open state.
- vertical polarization is the mainstream of polarization planes of base station antennas for mobile communications.
- the current line segments that cancel each other are main polarization components when data communication is performed in a state where the slide is open. By reducing this component, good communication quality cannot be ensured.
- An object of the present invention is to solve the above problems and to ensure good communication quality in a short-side-slide type wireless device.
- the first case that can be regarded as a ground conductor is not present near the antenna when the side slide is open, Very good antenna characteristics are obtained.
- the present invention has been devised to solve the problems of the short-side direction slide type radio apparatus as described above, and includes a first casing, a second casing, and a first casing.
- Conductive members included in the second casing, an antenna in which a radiating element is disposed in the second casing along the short side direction, the first casing, and the second casing A sliding mechanism portion that slidably connects the housing of the first housing, an antenna feeding point that is arranged on the end side in the direction in which the first housing slides when the slide is opened in the second housing, a sliding mechanism portion,
- a reactance element is provided for connecting a conductive member contained in the first casing or the second casing.
- a short-side direction slide-type wireless device that has a first housing and a second housing and slides in the short-side direction of the housing, the first housing A radiating element is disposed along the short direction of the second casing in the second casing and the first and second conductive members provided in the body and in the second casing, respectively.
- An antenna, a slide mechanism portion that slidably connects the first housing and the second housing, the slide mechanism portion, and either the first housing or the second housing There is provided a short-side-direction slide-type wireless device, comprising: a reactance element that connects the first or second conductive member provided to the device.
- the slide mechanism section includes at least one of the first or second conductive member and the It is preferable that the conductive member that is connected by a reactance element and not connected by the reactance element is connected in a direct current manner.
- induced currents generated in the first conductive member and the second conductive member are in phase with each other by at least one of the first or second conductive member and the reactance element. It is preferable that they are connected in such a manner.
- the characteristic of the reactance element is adjusted so that the phase of the induced current on the first casing side is adjusted to be the same as the phase of the induced current on the first casing side.
- the characteristic value of the reactance element at the junction closest to the antenna feeding point is adjusted so that the phase of the current induced in the first casing is in the same direction as the induced current, and the first casing It is preferable to make the phase of the current induced in the phase approximately the same as that of the induced current by advancing or delaying by approximately ⁇ / 2. Thereby, the components which cancel each other can be reduced. Therefore, the sum of the induced currents is approximately the same as the sliding direction, and contributes to the radiation of the vertically polarized component when the slide is opened, that is, during data communication.
- the length of the first casing in the short direction is approximately ⁇ / 4 of a frequency band used for at least one communication.
- the present invention it is possible to control the induced current generated in the first casing by the reactance element so as to be substantially in phase with the phase of the induced current generated in the second casing, and the communication quality at the time of opening data communication can be controlled. Can improve.
- FIG. 1 is an exploded perspective view of a short-side direction slide-type portable wireless device according to a first embodiment of the present invention. It is a figure which shows the structure of a junction part vicinity in detail. It is a figure which shows the cross-sectional structure which follows the sliding direction of FIG. 1B. It is a figure which shows the gain of the polarization plane in the data communication state at the time of a slide opening.
- FIG. 5 is an equivalent circuit diagram of a parallel resonant circuit filter (FIG. 4A) and a series resonant circuit filter (FIG. 4B).
- a short-side direction slide-type portable wireless device according to a third embodiment of the present invention, wherein a plurality of joint portions respectively arranged in a lateral direction (a direction orthogonal to the slide direction) from an antenna feeding point are provided. It is a figure which shows the structure which has a reactance element.
- the first casing is a display-side casing (the casing having the main large display portion), and the second casing is an operation-side casing (mainly).
- the display-side housing including the conductive member (printed circuit board, etc.) constituting the first housing and the second housing, or being included in the first housing and the second housing.
- the body (first housing) and the operation-side housing (second housing) are called. It is assumed that the antenna is disposed in the operation side casing.
- the slide mechanism consists of large and small plates.
- the large slide plate (first slide plate) is fixed to the display-side housing, and the small slide plate (second slide plate) is fixed to the operation-side housing. It is assumed that it is galvanically connected by a spring or the like for assisting operation. It is assumed that the slide mechanism unit is electrically connected to the display-side casing. Further, it is assumed that the slide mechanism unit is connected to the operation side housing via a reactance element.
- first slide plate is fixed to the display-side housing
- second slide plate is fixed to the operation-side housing. It is assumed that it is galvanically connected by a spring or the like for assisting operation. It is assumed that the slide mechanism unit is electrically connected to the display-side casing. Further, it is assumed that the slide mechanism unit is connected to the operation side housing via a reactance element.
- the arrangement of each member is exemplarily defined.
- the antenna may be arranged in the display-side casing, and the arrangement of the reactance element may be the operation side.
- the connection portion between the housing and the slide mechanism portion is used, the reactance element may be arranged at the connection portion between the display-side housing and the slide mechanism portion.
- FIG. 1A is a functional block diagram showing a basic configuration example of a short-side direction slide type portable wireless device according to the present embodiment
- FIG. 1B is an exploded perspective view thereof.
- the mobile phone A includes an antenna 9 for performing wireless communication, a wireless unit 238, a control unit (CPU) 231, and a storage memory 232.
- the camera 112, the speaker 114, the microphone 124, the light 234, and the like may be included.
- the short-side direction slide type portable wireless device A includes a display-side casing (first casing) 1 and an operation-side casing (second casing). 3.
- the display-side housing 1 and the operation-side housing 3 are provided with a first conductive circuit board 1a and a second conductive circuit board (ground conductor) 3a inside.
- These conductive circuit boards (first and second conductive circuit members) 1a and 3a are integrated with a drive circuit for a display unit, various circuits for a communication unit, and the like, but these configurations are well known. Here, detailed description is omitted.
- the antenna 9, the display-side housing 1, the display-side housing 1, and the operation-side housing 3 are arranged along the short side direction of the housing.
- a slide mechanism S that is slidably connected in the short side direction is provided.
- a slide plate size 17 and a slide plate size 15 are arranged between the display side case 1 and the operation side case 3 in order from the display side case 1 side. It is configured to slide between.
- the small slide plate 15 and the conductive circuit board 3a are electrically connected, and the conductive circuit board 3a on the operation side is provided with the slide plate small 15 and an electrode pattern for connection.
- the slide plate small 15 and the electrode pattern may be in direct contact, or a spring or the like may be mounted on the electrode pattern so that the spring or the like contacts the slide plate small 15.
- the electrode pattern provided on the conductive circuit board 3a on the operation side is electrically separated from the GND pattern on the conductive circuit board, and between the connection electrode pattern L and the GND pattern shown in FIG. 1C.
- the reactance element RD is mounted on.
- the connecting electrode between the small slide plate 15 and the conductive circuit board 3a, and the connecting electrode and the reactance element are collectively referred to as a joint.
- one or a plurality of joint portions are arranged in the direction (long side direction) intersecting the slide direction AR1, and FIG. 1B shows four joint portions 31 to 34.
- the reactance element mounted on the junction 31 is denoted by 41
- the reactance element mounted on the junction 3n is denoted by 4n.
- the operation side housing 3 and the display side housing 1 are connected to each other at high frequency via the joint portions 31 to 34.
- the antenna feeding point 6 for feeding power to the antenna 9 is disposed on the slide joint side in the short direction of the operation side housing 3.
- the operation side housing 3 is provided with an operation unit (key input unit) 122 such as a keyboard button or a direction key
- the display side housing 1 is provided with a display unit 25 such as an LCD, and an incoming call used for a call or the like.
- a unit 51 (speaker 114 in FIG. 1A), a transmission unit 52 (microphone 124 in FIG. 1A), and the like are provided.
- the holding state of the portable wireless device during data communication is such that the display-side housing 1 is on the upper side and both ends of the operation-side housing 3 are in both hands. Since the display unit 25 is often about 45 degrees with respect to the ground surface, this state is defined as a state in the portable wireless device during data communication.
- a conductive circuit board 3 a is provided on almost the entire surface of the operation side housing 3, avoiding the antenna 9.
- FIG. 2 is a diagram showing a cross-sectional configuration along the sliding direction of FIG.
- FIG. 2A shows a case where the reactance element closest to the antenna feeding point 6 (for example, a plurality of reactance elements may be arranged on the back side) is short-circuited at the junction 31 ( ⁇ 34).
- the reactance element closest to the antenna feeding point 6 for example, a plurality of reactance elements may be arranged on the back side
- an antenna 9 is disposed below the conductive circuit board 3 a via an antenna feeding point 6.
- the state described above is equivalent to a state where the display-side housing 1 and the operation-side housing 3 are mechanically conductively connected.
- the induced current 11 a indicates a current induced in the display-side casing 1
- the induced current 21 a indicates a current induced in the operation-side casing 3.
- the induced current 28a is a sum of currents induced in the display-side casing 1 and the operation-side casing 3, and is a diagram showing an image of current distribution that is a main factor of radiation.
- the 2B adjusts the phase of the induced current 11a from the state of FIG. 2A by adjusting the characteristics of the reactance elements provided in the junctions 31 to 34, and adjusts the phase of the induced current 21a. It is a figure which shows the image of the induced current 11b made to become a substantially equivalent grade.
- the induced current 28b shows an image of the sum of the induced current 11b and the induced current 21b.
- the large slide plate 17 also serves as a housing cover of the display-side housing 1, and is electrically connected to the display-side conductive circuit board 1a in a DC manner when the apparatus A is assembled.
- the large slide plate 17 does not also serve as a housing cover, it is connected to the conductive circuit board 1a or a conductor component constituting the housing cover in a direct current manner by a known method. Structure may be sufficient.
- the state shown in FIG. 2A is the current distribution in the state described in the problem to be solved, and the induced current 11a and the induced current 21a are in opposite directions and cancel each other. Accordingly, the main component of the sum of the induced currents is as indicated by the induced current 28a, and the polarization in the long side direction of the casing becomes the main polarization. Since this induced current 28a is a radiation current that contributes to the horizontal polarization component as described in the column of the problem to be solved at the time of slide open data communication, for example, an incoming wave from the base station and Even if the antenna characteristics are orthogonal and the antenna characteristics in the free space are good, there arises a problem that the reception sensitivity deteriorates in an actual use state.
- the characteristic value of the reactance element of the junction 31 closest to the antenna feeding point 6 is adjusted so that the phase of the induced current 11 of the housing 1 is advanced or delayed by approximately ⁇ / 2.
- the phase of the current induced in the first housing 1 can be in the same direction as shown in the induced current 11b as shown in FIG.
- the sum of the induced current 11b and the induced current 21b is substantially the same as the sliding direction AR1, as indicated by the induced current 28b, and contributes to the emission of the vertically polarized component when the slide is opened, that is, during data communication.
- FIG. 3 is a table showing the vertical and horizontal gains when the slide is open.
- the 2 GHz band (about 1.9 GHz to 2.1 GHz) used for wireless communication.
- the gain of vertical polarization is greatly improved. That is, it can be seen that the gain of vertical polarization can be improved in each communication frequency band by providing a reactance element in each of the junctions 31 to 34 and having a connection load.
- the induced current generated on the first housing side is 11a, the capacitance determined by the areas and intervals of the first housing 1 and the second housing 3 that overlap when the slide is opened, the structure of the slide mechanism section S, It is difficult to analyze systematically because it is affected by various factors such as the shape and length of metal parts that can carry current and the positional relationship with the antenna. Therefore, the adjustment range of the reactance elements 41 to 44 can take all values including short-circuit and open-circuit.
- the reactance elements 41 to 44 arranged in the coupling portions 31 to 34 can take different values.
- the present invention provides the same effect even when it is compatible with multiband.
- the first use (communication) frequency band fa on the low band side and the second use (communication) frequency band fb on the high band side are relatively separated from each other.
- the value of the reactance element 4 optimum for the frequency band fa may be different from the value of the reactance element 4 optimum for the frequency band fb.
- the frequency bands mainly used as frequency bands for portable wireless devices are the 800 MHz band, 900 MHz band, 1.7 GHz band, 1.8 GHz band, 1.9 GHz band, and 2 GHz band.
- the 800 MHz band and the 900 MHz band are the first frequency band fa
- the adjacent 1.7 GHz band to 2 GHz band is the second frequency band fb, approximately fb ⁇ 2fa.
- the approximate dimensions of the most popular portable wireless devices are as follows: ⁇ b / 4 of the wavelength ⁇ b of the case f in the short side direction, that is, about 40 to 50 mm, and ⁇ a / 4, that is, about 85 to 95 mm.
- ⁇ b / 4 of the wavelength ⁇ b of the case f in the short side direction, that is, about 40 to 50 mm
- ⁇ a / 4 that is, about 85 to 95 mm.
- the length in the sliding direction of the first housing and the second housing is approximately about ⁇ a / 2, that is, It becomes possible to obtain a radiation characteristic in which the vertical polarization component is close to a ⁇ / 4 wavelength dipole.
- the values of the reactance elements 41 to 44 that are optimal for the frequency band of fa are different from the values of the reactance elements 41 to 44 that are optimal for the frequency band of fb, but adjustment of different frequency bands is possible depending on the configuration of the reactance elements. It is possible to do it at the same time.
- FIGS. 4A and 4B an LC filter having the simplest configuration will be described as an example.
- Parallel resonant circuit filter with a cut-off frequency fc (Fig. 4 (a): equivalently a resonant circuit with a coil and a capacitor in parallel.
- the reactance of the coil and the capacitor works synergistically, and the resonance impedance becomes ⁇ . Therefore, when fa ⁇ fc ⁇ fb, the frequency band of fa can be connected as inductive, and the frequency band of fb can be connected as capacitive.
- a series resonance circuit filter having a cutoff frequency fc (FIG.
- 4B a resonance circuit in which a coil and a capacitor are equivalently connected in series. At the resonance point, the reactance of the coil and the capacitor works synergistically, and the resonance impedance is In contrast to the notch, it is possible to connect as capacitive in the frequency band of fa and inductive in the frequency band of fb.
- the optimum reactance elements 41 have different values for the respective frequency bands, the frequency bands of fa and fb in this embodiment, and the optimum reactance value.
- the element configuration as shown in FIGS. 4A and 4B it is possible to perform optimum adjustment in each frequency band.
- FIG. 6 shows that the reactance element 41 is adjusted to 1) 4.0 pF, 2) 1.5 nH, 3) about 4.0 pF in the 900 MHz band and about 1.5 pF in the 2 GHz band in the element configuration of FIG.
- the vertical polarization gains in the 900 MHz band and the 2 GHz band for each of the above are shown. As shown in FIG. 6, the gain in the 900 MHz band is high when 1) and 3), and the gain in the 2 GHz band is high when 2) and 3). That is, it can be seen that the reactance element 41 improves the vertical polarization gain in the open data communication state in the 900 MHz band and the 2 GHz band.
- phase shifter configuration such as a dielectric filter, a ⁇ -type filter, and a T-type filter.
- reactance elements 4a and 4b corresponding to fa and fb, respectively, and switch them according to the frequency band used by RFSW or the like.
- FIG. 6 is a diagram illustrating a configuration example of the short-side direction slide-type portable wireless device according to the present embodiment.
- the distance between the reactance element and the antenna feeding point in the path through which the induced current flows is important.
- the phase change from when the current is generated until it reaches the reactance element is small, and the impedance distribution of the current is narrow. Therefore, it is easy to control the wideband current phase.
- the reactance element is far away from the antenna feed point, the phase changes from when the current is generated until it reaches the reactance element, the current impedance distribution becomes wider, and the current phase cannot be controlled as intended. become.
- the first frequency band indicated by fa and the second frequency band indicated by fb are separated from each other to the extent that it can be expressed as approximately fb ⁇ 2fa.
- the length of the casing in the short-side direction is about ⁇ b / 4
- the length in the long-side direction is about ⁇ a / 4 ⁇ b / 2. It becomes.
- the reactance element 43 is in the third closest position from the antenna feeding point 6, that is, 3 ⁇ a / 16 ( ⁇ a / 4 or less) for the frequency band of fa. It is located at a position far away from the wavelength ⁇ a.
- the frequency band is about 3 ⁇ b / 8 ( ⁇ b / 4 or more) with respect to the frequency band of fb, and is arranged at a position away from the wavelength ⁇ b.
- the reactance element 43 can effectively act on the frequency band of fa, but not effectively act on the frequency band of fb, and the frequency of fa It can be used only for adjusting the band.
- the sliding direction is orthogonal to the short-side direction of the mobile wireless device, the degree of freedom regarding the arrangement of reactance elements tends to be low.
- the effect of adjusting the arrangement position of the reactance element with respect to the antenna feeding point is smaller than that in the case of the short-side direction slide type portable wireless device. That is, in the case of the short-side direction slide type portable wireless device according to the present embodiment, the sliding direction and the long-side direction of the casing of the wireless device are orthogonal to each other. It becomes possible to adjust only the frequency band of more effectively.
- a slide mechanism unit that slides the first casing and the second casing, and the first casing or the second casing
- a reactance element that connects to the conductive member provided in the first housing, and the induced current generated in the first housing by the reactance element is controlled to be substantially in phase with the phase of the induced current generated in the second housing.
- the present invention is applicable to a short-side direction slide type wireless device.
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Abstract
Description
1a…第1の導電性回路基板、
3…第2の筐体(操作側筐体)、
3a…第2の導電性回路基板、
S…スライド機構部、
4n…リアクタンス素子、
6…アンテナ給電点、
9…アンテナ、
11a…第1の筐体上の誘起電流(1)(第2の筐体上の誘起電流を打ち消す成分)、
11b…第1の筐体上の誘起電流(2)(第2の筐体上の誘起電流を打ち消さない成分)、
15…スライドプレート小、
17…スライドプレート大、
21a、21b…第2の筐体上の誘起電流、
25…表示部(LCDなど)、
28a…誘起電流11a、21aの総和、
28b…誘起電流11b、21bの総和、
31~34…スライド機構部Sと第2の筐体3との接合部、
41~44…接合部31~34に対応するリアクタンス素子、
51…受話部、
52…送話部、
122…操作部(キー入力部)。
図1Aは、本実施の形態による短辺方向スライド型の携帯無線装置の基本構成例を示す機能ブロック図であり、図1Bはその分解斜視図である。図1Aに示すように、携帯電話機Aは、無線通信を行うためのアンテナ9と、無線部238と、制御部(CPU)231と、記憶メモリ232と、を有している。その他、カメラ112、スピーカ114、マイク124、ライト234などを有していても良い。
次に、本発明の第2の実施の形態による通信技術について、図4、図5を参照しながら説明を行う。上述した第1の実施の形態では、2GHz帯のシングルバンドの構成について説明したが、本発明ではマルチバンドに対応した場合であっても同様の効果を奏する。無線装置において、複数の無線通信周波数帯を利用する場合に、低域側の第1の使用(通信)周波数帯faと高域側の第2の使用(通信)周波数帯fbとが比較的離れている場合に、周波数帯faに最適なリアクタンス素子4の値と周波数帯fbに最適なリアクタンス素子4の値とはそれぞれ異なることがある。
次に、本発明の第3の実施の形態による通信技術について図面を参照しながら説明を行う。第2の実施の形態ではマルチバンドアンテナの電流制御をリアクタンス素子41だけで行う例について説明したが、本実施の形態では、マルチバンドアンテナの電流制御をアンテナ給電点6から筐体の長手方向に沿って複数の接合部(図では接合部32、33、34)を有し、それらの接合部32、33、34にそれぞれ設けられたリアクタンス素子42、43、44が配置されている構成で行う例について説明する。図6は、本実施の形態による短辺方向スライド型携帯無線装置の一構成例を示す図である。
本発明の実施の形態による短辺方向スライド型携帯無線装置においては、第1の筐体と第2の筐体とをスライドさせるスライド機構部と、上記第1の筐体又は第2の筐体内に設けられた導電性部材とを接続するリアクタンス素子を設け、リアクタンス素子により第1の筐体に生じる誘起電流を第2の筐体に生じる誘起電流の位相と概略同位相なるように制御することにより、スライドによる筐体開き状態におけるデータ通信時の通信品質を改善することができる。尚、上記実施の形態では、携帯無線装置を例にして説明したが、据え置き型の無線装置にも本発明を適用することができ、本発明の範囲内に入るものである。
Claims (6)
- 第1の筐体と第2の筐体とを有し、前記第1の筺体と前記第2の筺体とが筐体の短辺方向にスライドする端辺方向スライド型無線装置であって、
前記第1の筺体内に設けられた第1の導電性部材と、
前記第2の筺体内に設けられた第2の導電性部材と、
前記第2の筐体内に、前記第2の筐体の短辺方向に沿って放射エレメントが配置されたアンテナと、
前記第1の筐体と前記第2の筐体とをスライド可能に接続する導電性のスライド機構部と、
前記第2の筐体内で、スライド開時に第1の筐体がスライドする方向の端部側に配置されたアンテナ給電点と、
前記第1または第2の導電性部材の少なくともいずれかに設けられるリアクタンス素子と、を備え、
前記第1の導電性部材と前記第2の導電性部材とを電気的に接続する経路上で、前記スライド機構部と前記リアクタンス素子とが直列に接続されていること
を特徴とする短辺方向スライド型無線装置。 - 前記第1の筐体と前記第2の筐体とが短辺方向にスライドし開いた状態において、
前記スライド機構部は、前記第1又は第2の導電性部材のうちの少なくとも一方と前記リアクタンス素子により接続され、前記リアクタンス素子により接続されていない方の前記導電性部材とは直流的に接続されていることを特徴とする請求項1に記載の短辺方向スライド型無線装置。 - 前記スライド機構部は、前記第1又は第2の導電性部材のうちの少なくとも一方と前記リアクタンス素子により、
前記第1の導電性部材と前記第2の導電性部材に生じる誘起電流が互いに同相となるように接続されていることを特徴とする請求項1又は2に記載の短辺方向スライド型無線装置。 - 前記第1の筐体に誘起される電流の位相を前記誘起電流と同じ方向にするように、アンテナ給電点に最も近い接合部の前記リアクタンス素子の特性値を調整し、前記第1の筐体に誘起される電流の位相を概略π/2進めるか又は遅らせるようにすることにより前記誘起電流と概略同相とすることを特徴とする請求項3記載の短辺方向スライド型無線装置。
- 前記第1の筐体側の誘起電流の位相を調整し、前記第1の筐体側の誘起電流の位相と同じになるように、前記リアクタンス素子の特性が調整されていることを特徴とする請求項1から4までのいずれか1項に記載の短辺方向スライド型無線装置。
- 前記第1の筐体の短辺方向の長さを、少なくとも1つの通信に使用する周波数帯の略λ/4とすることを特徴とする請求項1から5までのいずれか1項に記載の短辺方向スライド型無線装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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EP09797857.1A EP2302734B1 (en) | 2008-07-17 | 2009-07-09 | Short-side direction slide type radio apparatus |
JP2009554643A JP5033200B2 (ja) | 2008-07-17 | 2009-07-09 | 短辺方向スライド型無線装置 |
CN200980100631.8A CN101821901B (zh) | 2008-07-17 | 2009-07-09 | 短边方向滑动式无线装置 |
US12/678,302 US8311599B2 (en) | 2008-07-17 | 2009-07-09 | Short-side direction slide type radio apparatus |
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JP2008186207 | 2008-07-17 | ||
JP2008-186207 | 2008-07-17 |
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PCT/JP2009/062511 WO2010007932A1 (ja) | 2008-07-17 | 2009-07-09 | 短辺方向スライド型無線装置 |
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US (1) | US8311599B2 (ja) |
EP (1) | EP2302734B1 (ja) |
JP (1) | JP5033200B2 (ja) |
CN (1) | CN101821901B (ja) |
WO (1) | WO2010007932A1 (ja) |
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JP5682238B2 (ja) * | 2010-11-05 | 2015-03-11 | 富士通株式会社 | スライド式無線端末装置 |
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JP5659862B2 (ja) * | 2011-02-28 | 2015-01-28 | 富士通株式会社 | 携帯通信装置 |
CN103985953B (zh) * | 2013-02-08 | 2017-04-12 | 宏碁股份有限公司 | 电子装置及其天线控制方法 |
CN110416688B (zh) * | 2018-04-28 | 2021-03-02 | Oppo广东移动通信有限公司 | 电子装置及电子装置的控制方法 |
USD891426S1 (en) * | 2018-05-11 | 2020-07-28 | Fuvi Cognitive Network Corp. | Mobile device for visual and cognitive communication assistance |
CN115149244A (zh) * | 2019-10-31 | 2022-10-04 | 华为终端有限公司 | 天线装置及电子设备 |
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Also Published As
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JPWO2010007932A1 (ja) | 2012-01-05 |
US8311599B2 (en) | 2012-11-13 |
EP2302734A4 (en) | 2012-11-07 |
CN101821901B (zh) | 2013-01-02 |
JP5033200B2 (ja) | 2012-09-26 |
EP2302734B1 (en) | 2014-01-08 |
US20100203930A1 (en) | 2010-08-12 |
CN101821901A (zh) | 2010-09-01 |
EP2302734A1 (en) | 2011-03-30 |
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