CN101449424A - An AC adapter and a portable terminal device - Google Patents
An AC adapter and a portable terminal device Download PDFInfo
- Publication number
- CN101449424A CN101449424A CNA2006800547356A CN200680054735A CN101449424A CN 101449424 A CN101449424 A CN 101449424A CN A2006800547356 A CNA2006800547356 A CN A2006800547356A CN 200680054735 A CN200680054735 A CN 200680054735A CN 101449424 A CN101449424 A CN 101449424A
- Authority
- CN
- China
- Prior art keywords
- antenna
- adapter
- electric wire
- frequency
- portable terminal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
- H04B1/3883—Arrangements for mounting batteries or battery chargers
Abstract
The invention relates to an AC adapter and a portable terminal device. In the portable terminal device with a communication function, with the enlargement of the communication function, various application programs, such as a radio radiogram, a television set, a wireless net, a Blue tooth, an RFID and so on are required to be carried, especially the AC adapter connected with the portable terminal device is required for stable communication or receiving. In the invention, a connector (11) of the AC adapter (50) is connected with (inserted into) the portable terminal device (60), so an antenna is switched from an inner antenna (71) of the portable terminal device to an outer antenna (wire antenna) using a wire (12) of the AC adapter (50); stable communication or receiving can be guaranteed by tuning the antenna according to frequency of a target through changing position of a ferrite (13).
Description
Technical field
The present invention relates to the AC adapter and possess the connector that is connected with this AC adapter and the portable terminal of communication function.
Background technology
At present, the AC adapter also uses with power supplier as the charging of secondary cell except that supplying with electronic equipment power source.Enumerate as concrete example: the LCD that applies to PC effectively with power supply, and mobile phone, digital camera, video camera, notebook computer etc. be equipped with secondary cell the charging of electronic equipment with power supply etc.In addition, along with the miniaturization of AC adapter, the Switching power mode has become main flow.
At this, the existing mobile phone of expression one of AC adapter example in Figure 10.This AC adapter 100 possesses to be had with mobile phone connection portions 101, electric wire 102, AC/DC converter section 103, be inserted into the AC plug 104 of socket.
Yet for example technique known is in the FM radio receiver, owing to the electric wire with the AC adapter utilizes as the FM dedicated antenna, does not therefore need the antenna (for example with reference to patent documentation 1) of FM radio receiver main body.In addition, technique known is in the radio receiver receiver that possesses power supply supply seat, when being loaded into the radio receiver receiver on the power supply supply seat, make radio receiver receiver and power supply supply with the external antenna port combination of seat by inductance coupling high, the power supply of AC adapter is overlapped on the antenna traces, the high-frequency amplifier supply power on built-in externally antenna.(for example with reference to patent documentation 2)
Patent documentation 1:(Japan) spy opens clear 62-235825 communique
Patent documentation 2:(Japan) spy opens 2004-363738 communique (the 10th page, Fig. 4)
But in the technology of record, frequency band is the FM special use, can not corresponding wide band frequency in patent documentation 1.In addition since with the electric wire integral body of AC adapter as antenna, therefore can not regulating frequency.Particularly in nearest mobile phone, the product that is mounted with receivers such as AM, FM, TV is being developed, thereby needs the antenna of broadband frequency band.
In addition, in patent documentation 2, in the technology of record, utilize the exterior antenna that is connected with the external antenna port of power supply supply seat, can corresponding wide band frequency.But the Technology Need of the record of this patent documentation 2 is prepared exterior antenna, can't enjoy easily to play to receive.
On the other hand, in portable terminals such as mobile phone, because the miniaturization of equipment, there is restriction in the space that is provided with of the physics of antenna.In addition, owing to pay attention to design, increasing, making to become exacting terms realizing improving on the performance of antenna thereby antenna is built in the mobile phone of type in the casing etc.In addition, when considering in the lump to be used for the broad in band of communication frequencys such as the effective dual band correspondence of utilizing of frequency, triband correspondence, antenna needs a plurality of.In addition, the antenna of communication usefulness requires to work simultaneously with the antenna that broadcast receives usefulness, and interference, insulation between the antenna of the antenna of communication usefulness and broadcast reception usefulness all become problem.In addition, in building, there are the article of shielding electric wave mostly, have electric field decay, the situation of reception that can not be stable of receiving sometimes.
Summary of the invention
The present invention develops for addressing the above problem, its purpose is to provide a kind of AC adapter and portable terminal, it makes the electric wire of AC adapter work as the multifrequency antenna of correspondence, thus, when the AC adapter connects, special-purpose exterior antenna need not be connected, just stable reception or communication can be guaranteed.
For achieving the above object, AC adapter of the present invention has: the connector portion that is electrically connected with portable terminal; With the attachable plug of AC socket; Interchange is converted to the converter section of direct current; Connect the electric wire between described connector portion and the described converter section; Ferrite, it is provided with to the needs corresponding with tuned frequency on described electric wire position-movablely; Exterior antenna, it utilizes described electric wire and this ferritic shift position of basis to change electrical length.
According to this structure, no matter whether the AC adapter is connected with the AC socket, by the AC adapter is connected with portable terminal, antenna can be switched to the exterior antenna of the electric wire that utilizes the AC adapter.In addition, according to this structure,, thereby, can on suitable frequency, obtain tuning by changing the frequency of the standing wave on the electric wire because ferrite is mobile on electric wire.
In addition, AC adapter of the present invention possesses at described electric wire part limiter, and this limiter is used for the upper limit and the lower limit of corresponding frequency of utilization, and described ferrite is limited in movably scope.According to this structure, can make ferritic moving not break away from the frequency of utilization scope.
In addition, in the AC adapter of the present invention, described electric wire partly is provided with the identification display device of the frequency band that is used to discern frequency of utilization.According to this structure, can on each frequency of utilization frequency band, easily obtain tuning.
In addition, the fixed-site of AC adapter of the present invention in the dead astern of described converter section is provided with ferrite.According to this structure, can remove the noise of converter section.
Portable terminal of the present invention has inside antenna, and has the connector that can connect above-mentioned arbitrary AC adapter, and this portable terminal has: test section, and it detects being connected of described AC adapter and described connector; The antenna switching part, it switches to antenna the described exterior antenna of described AC adapter side from described inside antenna; Control part, the signal that it detects according to described test section, control described antenna switching part, when connecting described AC adapter, this portable terminal is to constitute antenna by described antenna switching part from the mode that described inside antenna switches to the described exterior antenna of described AC adapter side.
According to the present invention, in the AC adapter that mobile terminal device is charged, switches on, when its electric wire part is utilized as antenna, make ferrite, on electric wire, be provided with position-movablely to the needs corresponding with being used for tuning frequency according to shift position change electrical length, thus, the frequency in hope can easily obtain tuning.
Description of drawings
Fig. 1 is the stereoscopic figure of the AC adapter of first embodiment of the invention;
Fig. 2 is the frequency characteristic figure that is produced by the ferrite that is arranged on this AC adapter;
Fig. 3 represents this movably stereogram of ferritic concrete shape;
Fig. 4 is the ferritic stereogram that this ferritic variation of expression can be loaded and unloaded;
Fig. 5 is the stereoscopic figure of the AC adapter of second embodiment of the invention;
Fig. 6 is the stereoscopic figure of the AC adapter of third embodiment of the invention;
Fig. 7 is the stereoscopic figure of the AC adapter of four embodiment of the invention;
Fig. 8 is the circuit structure diagram of major part of the portable terminal of fifth embodiment of the invention;
Fig. 9 is the integrally-built calcspar of this portable terminal of expression;
Figure 10 is the stereoscopic figure of the existing AC adapter of expression.
Symbol description
10,20,30,40,50 AC adapters
11,76 connectors
12 electric wires (exterior antenna)
13,13A, 13B ferrite
14 AC/DC converter sections
15 AC plugs
21 high frequency side limiters (limiter)
22 lower frequency side limiters (limiter)
31 high frequencies mark (identification display device)
32 intermediate frequencies mark (identification display device)
33 low frequencies mark (identification display device)
41 interference filters
60 portable terminals
61,66 high-frequency cut-off coils
62 GND
63 electric capacity
64 antenna supply terminals
65+side power supply
71 antennas (inside antenna)
72 power supply units
73 antenna switching parts
74 antenna switch control portion
75 power supply antenna separated part
77 AC adapters insert test section
Embodiment
Below, with reference to accompanying drawing embodiment of the present invention is described.
(first execution mode)
Fig. 1 is the outside drawing of first embodiment of the invention AC adapter 10.
This AC adapter 10 is connected with diagram portable terminal outward, possesses: connector portion 11, electric wire 12, ferrite 13, AC/DC converter section 14, AC plug 15.
AC/DC converter section 14 and AC plug 15 are structure as a whole, and the output of DC power supply supplies to connector portion 11 by electric wire 12.The structure of ferrite 13 on electric wire 12, moving freely.In addition, this ferrite 13 has the characteristic by high frequency.Therefore, by going up and insert ferrite 13, can make electrical length arbitrarily with high frequency at the electric wire 12 of electrical length arbitrarily (below be also referred to as wire antenna sometimes).
Secondly, Fig. 2 represents general ferritic frequency characteristic.This ferrite utilizes the corresponding suitable material of purposes with frequency of utilization, can change frequency characteristic.In the ferrite that for example lists in Fig. 2, A is 1～20MHz, and B is 30～250MHz, and C is 200～2000MHz.This frequency representation is by the frequency of ferrite with the electric power decay.
Frequency when the electric wire of AC adapter is used as antenna is 76～90MHz during the FM radio receiver, is 90～222MHz at 1～12 channel during the VHF TV, is 470～770MHz at 13～62 channels during the UHF TV.Therefore, be (1/4) λ with antenna settings, as the total length of the electric wire of antenna, during the FM radio receiver 0.99～0.83m, during the VHF TV 0.83～0.34m, during the UHF TV 0.16～0.1m.
For example, the electric wire of AC adapter during as the antenna of FM radio receiver, is used Type B ferrite among Fig. 2, the A among Fig. 1 is of a size of 0.99～0.83m.In addition, during as the antenna of VHF TV, use Type B ferrite among Fig. 2, the A among Fig. 1 is of a size of 0.83～0.34m.In addition, during as the antenna of UHF TV, use C type ferrite among Fig. 2, the A among Fig. 1 is of a size of 0.16～0.1m.
In addition, adopt separable type by ferrite 13, thus, the frequency band according to using also can exchange ferrite.In addition, according to ferritic kind, can cover the Type B of Fig. 2 and C type with a kind of ferrite and make ferrite.By using this ferrite, can make the electric wire that utilizes the AC adapter can cover the antenna of FM～UHF.
In addition, about ferrite movably on the electric wire of present embodiment, owing to be the structure and the size that can not move easily when tuned frequency operate, therefore, it is for having only by applying power, the transportable structure of.
For example, Fig. 3 and Fig. 4 are respectively the concrete structure example of transportable ferrite 13 on electric wire.The ferrite 13A of Fig. 3 type can move on electric wire 12, but can not pull down from electric wire 12.On the other hand, the ferrite 13B of Fig. 4 type is a divergence type, for example if be bonded into one, then can move on electric wire 12, if be separated into disome etc., then also can pull down from electric wire 12.In addition, and then, for example also can be following structure, promptly, be laminal structure when it is pulled down,, can on electric wire 12, move by it is assembled into drum as other type.
(second execution mode)
Fig. 5 is the outside drawing of the AC adapter 20 of second embodiment of the invention.In addition, in embodiment of the present invention,, avoid repeat specification for marking same-sign with the first execution mode same section.
The AC adapter 20 of present embodiment also possesses except that connector portion 11, electric wire 12, ferrite 13, AC/DC converter section 14, AC plug 15: high frequency side limiter 106, lower frequency side limiter 107.
Also the same in the present embodiment with first execution mode, by on the electric wire 12 of any electrical length, inserting ferrite 13, in high-frequency, can produce electrical length arbitrarily.In addition, different with first execution mode in the present embodiment, high frequency side limiter 21 and lower frequency side limiter 22 are set.
By this high frequency side limiter 21 and lower frequency side limiter 22, can obtain the scope of tuned frequency clearly.For example being to be 90～222MHz at 1～12 channel under the situation of 76～90MHz, VHF TV under the situation of FM radio receiver, is 470～770MHz at 13～36 channels under the situation of UHF TV.
Therefore, when corresponding frequency band was FM～UHF, the cut-off frequency of high frequency side limiter 21 was 770MHz, was fixed on corresponding electrical length position (if tuning antenna length during for (1/4) λ length be 0.1m).In addition, the cut-off frequency of lower frequency side limiter 22 is 76MHz, is fixed on corresponding electrical length position (length is 0.99m when being (1/4) λ as if tuning antenna length).So-called this electrical length is the distance of the supply terminals of the span inside antenna that is connected with the outer electronic equipment of the diagram of AC adapter.
Thus, according to present embodiment, can constitute in structure that can't be tuning than the low frequency of 76MHz and the frequency higher than 770MHz.
(the 3rd execution mode)
Fig. 6 is the outside drawing of the AC adapter 30 of third embodiment of the invention.In addition, in the present embodiment for avoiding repeat specification with first execution mode same section mark prosign.
The AC adapter 30 of present embodiment is except that connector portion 11, electric wire 12, ferrite 13, AC/DC converter section 14, AC plug 15, high frequency side limiter 21, lower frequency side limiter 22, identification display device as the frequency band of discerning frequency of utilization also possesses high frequency side mark 31, intermediate frequency side mark 32, lower frequency side mark 33.
Promptly, in the present embodiment, by on the electric wire 12 of any electrical length, inserting ferrite 13, can in high-frequency, produce electrical length arbitrarily, in addition, can freely set the lower frequency limit of respective frequencies and the scope of upper limiting frequency by high frequency side limiter 21 and lower frequency side limiter 22.
In addition, different with first, second execution mode in the present embodiment, from respective frequencies for the frequency band (or each frequency band) of each FM frequency band, VHF frequency band, UHF frequency band etc., calculate in advance and find out and be used for the position that mobile ferrite 13 carries out tuned frequency, by identification display device is mark, and roughly study plot is represented this position.
As concrete example, for example high frequency with mark 31 corresponding FM frequency bands (76～90MHz), intermediate frequency with mark 32 corresponding VHF frequency bands (90～220MHz), low frequency is with mark 33 corresponding UHF frequency bands (470～770MHz).
Thus, make each mark 31～33 become Information sign, can easily carry out the tuning of frequency.
(the 4th execution mode)
Fig. 7 is the outside drawing of the AC adapter 40 of four embodiment of the invention.
As the feature of present embodiment, interference filter 41 is being installed from the AC adapter 10～30 of first execution mode to the, three execution modes.
This interference filter 41 is to be used to remove the interference that the switch that uses at AC/DC converter section 14 is used frequency of oscillation.In addition, as its installation site, it is effective being placed on apart from the near position of the outlet side of AC/DC converter section 14.Particularly because with electric wire 12 as antenna, so switch sneaks into the leading section of diagram portable terminal setting (receiver) outward easily with the higher harmonics of vibration frequency via this antenna, so, be necessary to remove interference.
(the 5th execution mode)
Fig. 8 represents the AC adapter 50 of fifth embodiment of the invention and portable terminal are provided with 60 the circuit structures of major part when being connected.In addition, use Fig. 9 that its structure is described thereafter, but also can use any one of AC adapter 10～AC adapter 40 of described first execution mode～the 4th execution mode as the AC adapter 50 of present embodiment.
With under connector 11 and the state that portable terminal 60 is connected, electric wire 12 moves as antenna.
This electric wire 12 is generally coaxial configuration, and the electric wire of not shown outer side is used as antenna.The outer side electric wire uses as the GND side usually.The outer side electric wire is connected with high-frequency cut-off coil 61, at GND62 as terminal.If, then the coil about 100nH～10 μ H is used as high-frequency cut-off coil 61 at the frequency range that electric wire 12 is used as antenna 76MHz～770MHZ for example, therefore can be by the high-frequency current that flows to the GND62 side.
In addition, the electric wire of the outer side of electric wire 12 is connected with antenna supply terminals 64 via electric capacity 63.Electric capacity 64 is except that by the direct current, can also realize preventing because static causes the effect of destruction of the semiconductor element of leading section or switch portion.If the frequency range that electric wire 12 is used as antenna is 76MHz～770MHz for example,, can make the almost not decay and passing through of this frequency then by using the electric capacity 63 of 1000pF～0.01 μ F degree.
In addition, the common conduct of the electric wire of the heart yearn side of electric wire 12+side power supply 65 and using.When the interference of portable terminal 60 overlaps on the electric wire of this heart yearn side, in the internal interference capacitive coupling of electric wire 12 on the outer side electric wire, so, also insert high-frequency cut-off coil 66 in the heart yearn side.
This high-frequency cut-off coil 66 is the same with high-frequency cut-off coil 61, if frequency range 76MHz～770MHz for example then uses the coil about 100nH～10 μ H as high-frequency cut-off coil 66, thus, prevents that interference capacitors is coupling on the outer side electric wire.
Integrally-built calcspar when in addition, Fig. 9 is connected with portable terminal 60 for expression fifth embodiment of the invention AC adapter 50.
In with figure, AC adapter 50 possesses AC/DC converter section 14, be used for the connector 11, wire antenna (exterior antenna) 12, the ferrite 13 that are connected with portable terminal 60.
On the other hand, possess in portable terminal 60: antenna (inside antenna) 71, power supply unit 72, antenna switching part 73, antenna switch control portion 74, power supply antenna separated part 75, connector 76, AC adapter insert test section 77 etc.In addition, power supply antenna separated part 75 constitutes the equipment that separates inside antennas 71 and wire antenna 12, and this wire antenna 12 is to utilize the structure of the lead of the power supply of AC adapter 50 and wire outer skin.
When AC adapter 50 is connected (insertion) with the connector 76 of portable terminal 60, this connection status is inserted test section 77 by the AC adapter and is detected, make 73 actions of antenna switching part by antenna switch control portion 74, switch to the wire antenna (exterior antenna) 12 of AC adapter side from antenna (inside antenna) 71.That is,, only AC adapter 50 is connected with portable terminal 60, just the antenna of portable terminal automatically can be switched to wire antenna 12 from antenna 71 according to present embodiment.
Describe the present invention with reference to detailed or specific execution mode, still, for a person skilled in the art, can increase change miscellaneous and correction not breaking away from aim of the present invention and scope.
The industrial possibility of utilizing
As described above, AC adapter of the present invention and portable terminal are used for: supplying as power supply Give with AC adapter that the portable terminal main body that possesses communication function is connected in, by keeping the sky The function of line can easily realize mobile phone, PHS, PDA, the portable wireless of stable communication The aspects such as radio, portable television, wireless network (LAN), bluetooth (Bluethooth), RFID.
Claims (according to the modification of the 19th of treaty)
1, a kind of AC adapter wherein, has:
The connector portion that is electrically connected with portable terminal;
The plug that is connected with the AC socket;
Interchange is converted to the converter section of direct current;
Connect the electric wire between described connector portion and the described converter section;
The ferrite that on described electric wire, is provided with movably;
The position limit device of restriction ferrite position on described ferrite,
With described electric wire as antenna.
2, a kind of AC adapter wherein, possesses:
The connector portion that is electrically connected with portable terminal;
The plug that is connected with the AC socket;
Interchange is converted to the converter section of direct current;
Connect the electric wire between described connector portion and the described converter section;
The ferrite that on described electric wire, is provided with movably;
The identification display device that is used for the frequency band of identification frequency of utilization on described electric wire,
With described electric wire as antenna.
3, a kind of portable terminal wherein, is connected with claim 1 or 2 described AC adapters.
Claims (5)
1, a kind of AC adapter wherein, has:
The connector portion that is electrically connected with portable terminal;
With the attachable plug of AC socket;
Interchange is converted to the converter section of direct current;
Connect the electric wire between described connector portion and the described converter section;
Ferrite, it is provided with to the needs corresponding with tuned frequency on described electric wire position-movablely;
Exterior antenna, it utilizes described electric wire and this ferritic shift position of basis to change electrical length.
2, AC adapter as claimed in claim 1 wherein, partly possesses limiter at described electric wire, and this limiter is used for the upper limit and the lower limit of corresponding frequency of utilization, and described ferrite is limited in movably scope.
3, AC adapter as claimed in claim 1 or 2 wherein, partly is provided with the identification display device of the frequency band that is used to discern frequency of utilization at described electric wire.
4, as each described AC adapter in the claim 1～3, wherein, the fixed-site in the dead astern of described converter section is provided with ferrite.
5, a kind of portable terminal, it has inside antenna, and have with claim 1～4 in the attachable connector of each described AC adapter, wherein, this portable terminal has:
Test section, it detects being connected of described AC adapter and described connector;
The antenna switching part, it switches to antenna the described exterior antenna of described AC adapter side from described inside antenna;
Control part, it controls described antenna switching part according to the signal that described test section detects,
When connecting described AC adapter, this portable terminal is to constitute antenna by described antenna switching part from the mode that described inside antenna switches to the described exterior antenna of described AC adapter side.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2006/310691 WO2007138670A1 (en) | 2006-05-29 | 2006-05-29 | Ac adaptor and mobile terminal apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101449424A true CN101449424A (en) | 2009-06-03 |
Family
ID=38778199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006800547356A Pending CN101449424A (en) | 2006-05-29 | 2006-05-29 | An AC adapter and a portable terminal device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPWO2007138670A1 (en) |
| CN (1) | CN101449424A (en) |
| WO (1) | WO2007138670A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2930093A1 (en) * | 2008-04-10 | 2009-10-16 | Somfy Sas | TRANSMITTER TYPE DEVICE AND / OR RECEIVER OF RADIO SIGNALS |
| JP5402471B2 (en) * | 2008-12-05 | 2014-01-29 | ソニー株式会社 | Power supply, power cable, and receiver |
| JP5387084B2 (en) * | 2009-03-24 | 2014-01-15 | ソニー株式会社 | Receiver |
| JP6603010B2 (en) * | 2014-01-28 | 2019-11-06 | 国立大学法人 東京大学 | Terminal control apparatus and program |
| JP6595487B2 (en) | 2014-08-26 | 2019-10-23 | ソニーセミコンダクタソリューションズ株式会社 | antenna |
| JP7010075B2 (en) * | 2018-03-13 | 2022-01-26 | 三菱マテリアル株式会社 | Antenna device and stereo headset |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4481130A (en) * | 1981-06-24 | 1984-11-06 | The British Petroleum Company Limited | Method for demulsifying water-in-oil emulsions |
| JPS583606U (en) * | 1981-07-01 | 1983-01-11 | パイオニア株式会社 | FM indoor antenna |
| JPS60134341U (en) * | 1984-02-16 | 1985-09-06 | ソニー株式会社 | Receiving machine |
| JPS6269705A (en) * | 1985-09-20 | 1987-03-31 | Matsushita Electric Ind Co Ltd | Antenna system |
| JPS62235825A (en) * | 1986-04-07 | 1987-10-16 | Matsushita Electric Ind Co Ltd | Radio receiver |
| JPH039507A (en) * | 1989-06-07 | 1991-01-17 | Marcon Electron Co Ltd | Solid-state electrolytic capacitor and its manufacture |
| JPH0346607U (en) * | 1989-09-01 | 1991-04-30 | ||
| JP2590007Y2 (en) * | 1992-05-01 | 1999-02-10 | 株式会社東芝 | Wireless device |
| JPH1028246A (en) * | 1996-07-10 | 1998-01-27 | Nec Corp | Television receiver |
| JP4213552B2 (en) * | 2003-09-26 | 2009-01-21 | 株式会社東芝 | External antenna detection circuit, wireless device and external antenna switching circuit |
| JP2005295398A (en) * | 2004-04-02 | 2005-10-20 | Mitsumi Electric Co Ltd | Antenna device and anti-noise method of antenna |
| JP2005341067A (en) * | 2004-05-25 | 2005-12-08 | Sharp Corp | Receiver and power cord |
| JP2006054502A (en) * | 2004-08-09 | 2006-02-23 | Sony Ericsson Mobilecommunications Japan Inc | Mobile communication terminal and mobile terminal system |
-
2006
- 2006-05-29 CN CNA2006800547356A patent/CN101449424A/en active Pending
- 2006-05-29 JP JP2008517732A patent/JPWO2007138670A1/en active Pending
- 2006-05-29 WO PCT/JP2006/310691 patent/WO2007138670A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2007138670A1 (en) | 2007-12-06 |
| JPWO2007138670A1 (en) | 2009-10-01 |
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Open date: 20090603 |