CN102201619B

CN102201619B - Jockey and receiving system

Info

Publication number: CN102201619B
Application number: CN201110065290.4A
Authority: CN
Inventors: 吉野功高
Original assignee: Sony Corp
Current assignee: Sony Semiconductor Solutions Corp
Priority date: 2010-03-26
Filing date: 2011-03-17
Publication date: 2016-05-11
Anticipated expiration: 2031-03-17
Also published as: CN102201619A; JP5589496B2; BRPI1100964A8; BRPI1100964A2; JP2011205593A

Abstract

The invention provides a kind of jockey and receiving system. This jockey comprises the jack portion that Signal plug can be connected to, and this Signal plug comprises multiple plug terminals, and this jack portion comprises multiple socket terminal, and in the time that Signal plug is connected to jack portion, the plurality of plug terminal is connected to the plurality of socket terminal; And be connected to multiple lead divisions of the plurality of socket terminal. The plurality of socket terminal comprises the first socket terminal, and the plurality of lead division comprises the first lead division that is connected to the first socket terminal. The first lead division branch is the branching portion that comprises the first and second branching portions. The high-frequency cut-off portion with high-frequency cut-off function is connected to the first branching portion. The capacitor that obtains high-frequency signal is connected to the second branching portion.

Description

Jockey and receiving system

Technical field

The present invention relates to can be applicable to such as Mobile audio frequency video-unit or cellular mobile electronThe jockey of device, also relates to the receiving system of this jockey.

Background technology

Be accompanied by giant-screen and the high performance of electronic apparatus, and television set (TV) is adjustedHumorous device lightening, the electronic apparatus terminal that user could watch and listen to TV is just becoming universal.

And, in recent years, for example, such as the frequent tool of electronic installation of communication terminal (, cell phone)There is the function of the broadcast wave that receives FM radio, digital radio or DTV.

By using the headphone cable of coaxial cable, user can receive with earphone (comprising headphone)Listen the sound of electronic installation.

And in the time comprising television receiver such as cellular electronic installation, user receives with earphoneListening, and the cable of earphone is formed as shielded cable, and therefore as reception antenna, make this electricityCable is also for transmitting high-frequency signal.

For example, No. 4003671st, Japan Patent and Japan Patent disclose such No. 4123262Earphone antenna.

Summary of the invention

Earphone antenna often uses the headphone cable of the plug with φ 3.5mm or φ 2.5mm, andAs antenna to receive FM broadcast wave and be called as the terrestrial digital of a section (OneSeg) wideBroadcast service.

But at the post ends period of the day from 11 p.m. to 1 a.m that uses φ 3.5mm or the φ 2.5mm utmost point, high-frequency coupling is remarkableIncrease, and deteriorated in antenna gain becomes obvious.

Expecting provides the loss that can reduce at terminal coupling part, and the jockey of high receptivity is providedAnd receiving system.

Comprise according to the jockey of embodiment of the present invention: jack portion, Signal plug can be connected to slottingHole portion, Signal plug comprises multiple plug terminals, jack portion comprises multiple socket terminal, inserts at signalWhen head is connected to jack portion, multiple plug terminals are connected to multiple socket terminal; And be connected to multipleMultiple lead divisions of socket terminal. Multiple socket terminal comprise the first socket terminal, and multiple drawingPortion comprises the first lead division that is connected to the first socket terminal. The first lead division branch is for comprising first pointThe branching portion of branch and the second branching portion. The high-frequency cut-off portion with high-frequency cut-off function is connected to firstBranching portion. Be connected to the second branching portion for the capacitor that obtains high-frequency signal.

According to the present invention, the receiving system of another embodiment comprises: jockey, audio signal plugCan be connected to jockey, audio signal plug comprises multiple plug terminals; And electronic installation, toolThere is the receiving function that receives broadcast wave by jockey. Jockey comprises: jack portion, signal is insertedHead can be connected to jack portion, and jack portion comprises multiple socket terminal, is connected to jack portion at Signal plugTime, multiple plug terminals are connected to multiple socket terminal. Multiple socket terminal comprise the first socket terminal,And multiple lead divisions comprise the first lead division that is connected to the first socket terminal. The first lead division branchIt is the branching portion that comprises the first branching portion and the second branching portion. There is the high-frequency cut-off of high-frequency cut-off functionPortion is connected to the first branching portion. Be connected to the second branching portion for the capacitor that obtains high-frequency signal.

By this configuration, can reduce the loss at terminal joint portion place, and high receptivity can be provided.

Brief description of the drawings

Fig. 1 is the diagram that the receiving system (receiving system) that comprises mobile terminal is shown, this moves endEnd is to comprise the electronics dress forming according to the antenna cable of the antenna assembly of first embodiment of the inventionPut the example of (set device);

Fig. 2 is the diagram illustrating according to the equivalent circuit of the receiving system of first embodiment of the invention;

Fig. 3 is the equivalent circuit that the plug connecting portion that comprises screened coaxial cable and relay plate is shownFigure, this plug connecting portion forms according to the antenna cable of this embodiment;

Fig. 4 is that explanation is being used as the GND terminal of the second plug terminal and is being used as the 3rd plug terminalThe diagram of the capacitor (electric capacity) forming between Rch terminal;

Fig. 5 is the diagram that the structure example of screened coaxial cable is shown;

Fig. 6 is the diagram illustrating according to the configuration example of the installing plate in the relay portion of this embodiment;

Fig. 7 be illustrate according to the first embodiment for comprising the mobile terminal (electricity of 3 utmost point jack portionsSub-device) the diagram of equivalent circuit of jockey;

Fig. 8 A and Fig. 8 B illustrate the Rch end that is connected to 3 utmost point jack portions when capacitor (electric capacity)The diagram of the period of the day from 11 p.m. to 1 a.m and the transmission characteristic in the time that capacitor does not connect;

Fig. 9 A and Fig. 9 B are the devices of the transmission characteristic of application in checking Fig. 8 A and 8BDiagram;

Figure 10 A to Figure 10 D is illustrated in VHF frequency band and UHF frequency band, connects in headphone cableWhile being connected to antenna cable, according to the peak gain characteristic of the frequency of the receiving system of the first embodimentDiagram;

Figure 11 illustrates showing according to the equivalent circuit of the receiving system of second embodiment of the inventionFigure;

Figure 12 A to Figure 12 D is illustrated in VHF frequency band and UHF frequency band, connects in headphone cableWhile being connected to antenna cable, according to the peak gain characteristic of the frequency of the receiving system of the second embodimentDiagram;

Figure 13 A to Figure 13 D illustrates as a comparative example, in VHF frequency band and UHF frequency band,In the time that headphone cable is not connected to antenna cable, the showing of the peak gain characteristic of the frequency of receiving systemFigure;

Figure 14 illustrates for capacitor (electric capacity) to be arranged on the GND as the second plug terminalTerminal and the experiment as between the Rch terminal of the 3rd plug terminal time and when capacitor is not setThe diagram of jockey of experiment;

Figure 15 A to Figure 15 D is illustrated in antenna cable and is connected to headphone cable time and capacitor(electric capacity) is arranged on as the GND terminal of the second plug terminal with as the 3rd plug terminalBetween Rch terminal time and when capacitor is not set, in UHF frequency band, according to the second enforcement sideThe diagram of the peak gain characteristic of the frequency of the receiving system of formula;

Figure 16 illustrates showing according to the equivalent circuit of the receiving system of third embodiment of the inventionFigure;

Figure 17 is the equivalence illustrating according to the coaxial cable of the receiving system of four embodiment of the inventionThe diagram of circuit;

Figure 18 illustrates for according to the mobile terminal (electricity that comprises 4 utmost point jack portions of the 4th embodimentSub-device) the diagram of equivalent circuit of jockey;

Figure 19 illustrates showing according to the equivalent circuit of the receiving system of fifth embodiment of the inventionFigure;

Figure 20 illustrates showing according to the equivalent circuit of the receiving system of sixth embodiment of the inventionFigure; And

Figure 21 illustrates showing according to the equivalent circuit of the receiving system of seventh embodiment of the inventionFigure.

Detailed description of the invention

Below with reference to accompanying drawing, embodiments of the present invention are described.

Describe sequentially provide below.

1. the first embodiment (the first configuration example of receiving system (receiving system))

2. the second embodiment (the second configuration example of receiving system (receiving system))

3. the 3rd embodiment (the 3rd configuration example of receiving system (receiving system))

4. the 4th embodiment (the 4th configuration example of receiving system (receiving system))

5. the 5th embodiment (the 5th configuration example of receiving system (receiving system))

6. the 6th embodiment (the 6th configuration example of receiving system (receiving system))

7. the 7th embodiment (the 7th configuration example of receiving system (receiving system))

1. the first embodiment

The first configuration example of receiving system (receiving system)

Fig. 1 is the figure that the receiving system (receiving system) that comprises mobile terminal is shown, this mobile terminalTo comprise forming according to the electronic installation of the antenna cable of the antenna assembly of first embodiment of the invention(set device).

Fig. 2 is the figure illustrating according to the equivalent circuit of the receiving system of first embodiment of the invention.

Fig. 3 is the equivalent circuit that the plug connecting portion that comprises screened coaxial cable and relay plate is shownFigure, this plug connecting portion forms according to the antenna cable of this embodiment.

Receiving system 10 comprises as the mobile terminal 20 as electronic installation of primary clustering and skyLine apparatus 30.

For example, mobile terminal 20 comprises television receiver, also comprises audio system circuit, shows systemSystem circuit, such as the display unit 21 of liquid crystal indicator and for the operating unit of key-press inputDeng.

Mobile terminal 20 comprises that 3 utmost points (3-pole) plug 40 that forms antenna assembly 30 connectsCircular socket holes portion 22 etc., to receive high-frequency signal.

In 3 utmost point plugs 40 and circular socket holes portion 22 one or all form jockey 100.

After a while by the mobile terminal (electronic installation) of describing in detail for comprising circular socket holes portion 22The configuration of jockey.

The antenna assembly 30 of present embodiment can receive the FM frequency band for example transmitting from broadcasting stationThe scope from VHF frequency band to UHF frequency band of radio signal and receiving digital television broadcastRadio signal, and can transmit this radio signal.

Antenna assembly 30 mainly comprises audio signal 3 utmost point plugs 40 and audio signal transmission cable 50.Form at mobile terminal 20 places as electronic installation the jockey that comprises jack portion 22.

In the first embodiment, audio signal transmission cable 50 comprises antenna cable 60 and earphone electricityCable 70.

The antenna assembly 30 of the first embodiment is formed the sleeve-dipole antenna of earphone divergence type(earphone-separate-typesleeveantenna)。

Antenna cable 60 comprises an end that is connected to screened coaxial cable 61 by relay 623 utmost point plugs 40 of the φ 3.5mm of portion or φ 2.5mm, and be connected to screened coaxial cable 613 utmost point jacks 63 of the φ 3.5mm of another terminal part or φ 2.5mm.

It is extremely slotting that cover cap 64 and 65 is separately positioned on the connecting portion and 3 of relay plate of 3 utmost point plugs 40The forming portion office in hole 63.

In the present embodiment, the length of coaxial cable 61 is 350mm, and headphone cable 70Length be 1200mm.

The configuration example of 3 utmost point plugs

3 utmost point plugs 40 comprise be formed on be inserted into jack portion 22 cylindricality point 41 places forL channel (Lch) terminal 411 of stereo audio signal and R channel (Rch) terminal 412 and connectGround (GND) terminal 413, each terminal mutually insulated.

3 utmost point plugs 40 comprise the post that is formed on an end (side) that is connected to antenna cable 60GND terminal 421, Rch terminal 422 and the Lch terminal 423 at shape rearward end 42 places, each terminalMutually insulated.

In 3 utmost point plugs 40, the Lch terminal 411 at point 41 places is electrically connected by columnar shaftTo the Lch terminal 423 at rearward end 42 places.

The Rch terminal 412 at point 41 places is electrically connected to rearward end 42 places by columnar shaftRch terminal 422.

The GND terminal 413 at point 41 places is electrically connected to rearward end 42 places by columnar shaftGND terminal 421.

In the present embodiment, Lch terminal 423 forms at cylindrical central part, Rch terminal 422Form at the peripheral part (outside) of central part, and GND terminal 421 peripheral part furtherPeripheral part (outside) form.

In 3 utmost point plugs 40, the Lch at the Lch terminal 411 at point 41 places and rearward end 42 placesTerminal 423 forms the first plug terminal.

The GND terminal 421 at the GND terminal 413 at point 41 places and rearward end 42 places formsThe second plug terminal.

The Rch terminal 422 at the Rch terminal 412 at point 41 places and rearward end 42 places formsThree plug terminals.

In the present embodiment, high-frequency signal and low-frequency audio signal L are being used as the first plug terminalLch terminal 411 and 423 places mutually superpose.

Be used as the ground connection of high and low frequency as the GND terminal 413 and 421 of the second plug terminal.

Rch terminal 412 and 422 as the 3rd plug terminal is used by Capacitance Coupled for high frequencyDo ground connection, and have for low-frequency transmission and the Lch terminal 411 and 423 that is used as the first plug terminalThe function of the different audio signal R of audio signal.

In 3 utmost point plugs 40, capacitor (electric capacity) C41 is formed on as the second plug terminalGND terminal 421 and as between the Rch terminal 422 of the 3rd plug terminal. Capacitor C41 increasesThe strong ground connection for high frequency.

Fig. 4 is that explanation is formed on as the GND terminal 421 of the second plug terminal and slotting as the 3rdThe figure of the capacitor between the Rch terminal 422 of joint terminal.

With reference to figure 4, for example, in the time of 3 utmost point plug 40 of explanation φ 3.5, the tip of circular plug portionConventionally be arranged on plug center, and be set to around this center for the GND of high frequency, to subtractFew high frequency loss (loss).

Equally, the insulation division between GND terminal 421 and Rch terminal 422 for example can be by insulation treeFat 424 forms. Insulating resin 424 can be used as capacitor and adjusts impedance.

Therefore, be similar to present embodiment use multicore earphone antenna (multi-core coaxial line particularly,Earphone antenna) time, if consider the dielectric constant for the insulating resin 424 of the insulation of this partManufacture insulation division, this insulation division can have the structure identical with GND for high frequency so, fromAnd can reduce the loss at intercalation part place.

In the present embodiment, based on above reason, in the center of plug and the most advanced portion of plugThe Lch terminal 423 and 411 that place forms is used as the first plug terminal, and as aerial signal lineLANT。

Alternatively, Rch terminal can be used as the first plug terminal, and Lch terminal can be used as the 3rdPlug terminal.

Antenna cable 60 comprises coaxial cable 61, be arranged on a terminal part of coaxial cable 61Relay 62 and be formed on 3 utmost point jacks 63 at another terminal part place of coaxial cable 61.

Relay 62 use cover caps 64 cover, and 3 utmost point jack 63 use cover caps 65 cover.

Coaxial cable 61 comprises many lines. 3 utmost point plugs 40 are connected to the relay of coaxial cable 61An end side at 62 places. Headphone cable 70 can be connected to coaxial cable 61 by 3 utmost point jacks 63Another end side.

Coaxial cable 61 is by forming with the screened coaxial cable that for example big envelope covers.

The configuration example (the configuration example of screened coaxial cable) of antenna cable

Fig. 5 is the figure that the structure example of screened coaxial cable is shown.

Screened coaxial cable in Fig. 5 is formed by 3 core coaxial cables 610.

3 core coaxial cables 610 comprise many heart yearns 611,612 and 613, to be formed for respectively soundL line and R line and GND line frequently; And in insulation core wire 611,612 and 613Portion's insulator 614.

Coaxial cable 610 also comprises as the shielding that is arranged on the external conductor in insulator 614 peripheriesPortion 615, and cover the outer insulator (crust, big envelope) 616 (for example elastomer) of whole periphery.

Form the corresponding First Line of heart yearn 611 of L line, form heart yearn 613 correspondences second of GND lineLine, and corresponding the 3rd lines of heart yearn 612 of formation R line.

Heart yearn 611,612 and 613 is for example by the polyurethane that contains aramid fiber (aramidfiber)(polyurethane) line forms.

Insulator 614 is for example cross-linked PE by x-ray bombardment and forms.

Shielding part 615 is for example formed by annealed copper wire.

Shielding part 615 is also formed by many wires, and for example, by weaving, naked annealed copper wire providesBraid shielded.

Braid shielded is used for having that appropriateness is flexible, bending strength and mechanical strength and in the time that shielding is bending pairShielding is difficult for producing the electrostatic screen method in gap.

Heart yearn 611,612 and 613 and shielding part 615 have the impedance for high frequency.

The configuration example of relay

Next, the configuration example of relay 62 is described.

Fig. 2 and Fig. 3 illustrate according to the concrete configuration of the relay of present embodiment, and coaxial transmissionConnection example between cable and coaxial cable.

Relay 62 is for example formed by substrate, or forms by mold.

At a terminal part side of relay 62, the insulator 614 of coaxial cable 610, shielding part615 and big envelope 616 be removed, thereby expose heart yearn 611,612 and 613.

And in the position that approaches relay 62, thereby big envelope 616 is removed exposure shielding part615。

At another end side of relay 62, the rearward end 42 of 3 utmost point plugs 40 be set to towardsThe end of the heart yearn 611,612 and 613 at an end side place of coaxial cable 610.

In relay 62, the heart yearn 611 of coaxial cable 610 (Lch line) is connected directly to 3The Lch terminal 423 at rearward end 42 places of utmost point plug 40.

In relay 62, high-frequency cut-off portion 621 is connected to rearward end 42 places of 3 utmost point plugs 40Rch terminal 422. For example, high-frequency cut-off portion 621 is by the inductor with high-frequency cut-off function(inductor) L1 or ferrite bead (ferritebead) FB1 forms.

The Rch terminal 422 at rearward end 42 places of 3 utmost point plugs 40 connects by high-frequency cut-off portion 621To the heart yearn 612 (Rch line) of coaxial cable 610.

In relay 62, high-frequency cut-off portion 622 is connected to rearward end 42 places of 3 utmost point plugs 40GND terminal 421. For example, high-frequency cut-off portion 622 is by the inductor with high-frequency cut-off functionL2 or ferrite bead FB2 form.

The GND terminal 421 at rearward end 42 places of 3 utmost point plugs 40 connects by high-frequency cut-off portion 622Be connected to the heart yearn 613 (GND line) of coaxial cable 610. This connecting portion is connected to coaxial cable 610Shielding part 615.

In relay 62, insert at the Rch terminal 422 as the 3rd plug terminal with as secondBetween GND terminal 421, high-frequency cut-off portion 622 and the shielding part 615 of joint terminal, form capacitorC41。

High-frequency cut-off portion 621 and 622 is mounted for high-frequency cut-off, with the tone frequency channel wire at Rch andGND line place, in voiceband, obtain Low ESR and in high-frequency region (for example,, at VHFIn frequency band or more high frequency band) acquisition high impedance.

Fig. 6 is the figure illustrating according to the configuration example of the installing plate in the relay of present embodiment.

Installing plate 80 has the rectangular shape of length 16.1mm, width 5.5mm.

Installing plate 80 comprises that the plug of a terminal part on the longitudinal direction that is positioned at installing plate 80 holdsRegion 81. Plug housing region 81 holds the rearward end 42 of 3 utmost point plugs 40 of for example φ 3.5mm.

In the present embodiment, the rearward end 42 of 3 utmost point plugs 40 has the length of about 7.5mm.

GND terminal 82 is formed as around plug housing region 81. GND terminal 82 is connected to 3The GND terminal 421 of utmost point plug 40, GND terminal 421 is contained in and approaches plug housing region 81The position that holds port.

R terminal 83 is formed near the pars intermedia tip on the longitudinal direction of plug housing region 81Place. R terminal 83 is connected to Rch terminal 422.

L terminal 84 is formed on the point place on the longitudinal direction of plug housing region 81. L terminal84 are connected to Lch terminal 423.

Installing plate 80 comprises the splicing ear of another terminal part on the longitudinal direction that is positioned at installing plate 8085,86,87 and 88. The shielding part 615 of coaxial cable 610 and heart yearn 611,612 and 613 are logicalCross welding philosophy and be connected to splicing ear 85,86,87 and 88.

The splicing ear 85 that shielding part 615 connects is connected to GND terminal by connecting line LW182。

Splicing ear 89 is connected to connecting line LW1. At splicing ear 89 with as Rch terminalBetween R terminal 83, form capacitor C41.

The splicing ear 86 connecting as the heart yearn 611 of Lch line is connected to by connecting line LW2L terminal 84.

The ferrite bead FB1 that forms high-frequency cut-off portion 621 is arranged on R terminal 83 and splicing earBetween 87 position.

The ferrite bead FB2 that forms high-frequency cut-off portion 622 is arranged on GND terminal 82 and is connectedBetween the position of terminal 88.

R terminal 83 is connected to ferrite bead FB1 by connecting line LW3. GND terminal 82 is logicalCross connecting line LW4 and be connected to ferrite bead FB2.

Ferrite bead FB1 is connected to splicing ear 87 by connecting line LW5. Ferrite beadFB2 is connected to splicing ear 88 by connecting line LW6.

Installing plate 80 has the structure as antenna, so that rearward end 42 places of 3 utmost point plugs 40Terminal 421,422 and 423 is connected to respectively (corresponding respectively to plug terminal) end by weldingSon 82,83 and 84.

The configuration example of 3 utmost point jacks of antenna cable

Referring to figs. 2 and 3,3 utmost point jacks 63 comprise Lch terminal 631, Rch terminal 632 and connectGround terminal 633.

At another terminal part place of coaxial cable 610 that approaches 3 utmost point jacks 63, insulator 614,Shielding part 615 and big envelope 616 are removed, thereby expose heart yearn 611,612 and 613. And,Approach the position of 3 utmost point jacks 63, thereby big envelope 616 is removed exposure shielding part 615.

Lch terminal 631 is connected to heart yearn 611, and Rch terminal 632 is connected to heart yearn 612, GNDTerminal 633 is connected to heart yearn 613.

And in the accompanying drawings, reference marker 634 represents that plug inserts port.

The configuration example of headphone cable

A terminal part of headphone cable 70 is branched (split), and Lch earphone 71 and RchEarphone 72 is connected to this terminal part. 3 utmost point plugs 73 of φ 3.5mm or φ 2.5mm are connected toAnother terminal part.

The cylindricality point of 3 utmost point plugs 73 can be inserted into and be connected to 3 utmost point jacks of antenna cable 6063. 3 utmost point plugs 73 comprise Lch terminal 731, Rch terminal 732 and GND terminal 733.

Lch terminal 731 is connected to earphone 71 by Lch line 734, and Rch terminal 732 passes through RchLine 735 is connected to earphone 72, and GND terminal 733 is connected to GND line 736 and 737.Be used for the configuration example of the jockey of the mobile terminal (electronic installation) of 3 utmost point jack portions 22 that comprise

Fig. 7 be illustrate according to the first embodiment for comprising the mobile terminal of 3 utmost point jack portions 22The figure of the equivalent circuit of the jockey of (electronic installation).

Fig. 7 also shows 3 utmost point plug 40 and 2 utmost point plug 40A that can be connected to jack portion 22.

With reference to figs. 2 and 7,3 utmost point jack portions 22 that mobile terminal 20 places form comprise 3 utmost point jacks221 and lead division (lead-out wire portion) 222,223 and 224.

3 utmost point jacks 221 comprise as the Lch terminal TL of the first socket terminal, as the second jackThe GND terminal TG of terminal and as the Rch terminal TR of the 3rd socket terminal.

In the time that 3 utmost point plugs 40 insert and are connected to 3 utmost point jack 221, the terminal of 3 utmost point jacks 221The Lch terminal 411 that is arranged such that point place is connected to Lch terminal TL, Rch terminal 412Be connected to Rch terminal TR, and GND terminal 413 is connected to GND terminal TG.

The first lead division 222 is connected to the Lch terminal TL as the first socket terminal, and second drawsPortion 223 is connected to the GND terminal TG as the second socket terminal, and the 3rd lead division 224Be connected to the Rch terminal TR as the 3rd socket terminal.

The first lead division 222 that is connected to the Lch terminal TL that is used as the first socket terminal branches into bagDraw together two lines of the first branch line LB1 and the second branch line LB2. High frequency for high-frequency cut-off cutsStop 225 is inserted (connection) to the first branch line LB1. High-frequency cut-off portion 225 by inductor L orFerrite bead FB forms.

The high-frequency cut-off portion 225 that the first lead division 222 passes through the first branch line LB1 is to signal processingSystem (not shown) provides Lch audio signal.

The second branch line LB2 of the first lead division 222 forms aerial signal line LANT, is connected toCapacitor (electric capacity) C221 to be to obtain high-frequency signal, and is connected to tuner by capacitor C22123。

The second lead division 223 that is connected to the GND terminal TG that is used as the second socket terminal directly connectsBe connected to ground connection (set ground connection) GND of device.

The 3rd lead division 224 that is connected to the Rch terminal TR that is used as the 3rd socket terminal branches into bagDraw together two lines of the first branch line LB3 and the second branch line LB4. High frequency for high-frequency cut-off cutsStop 226 is inserted (connection) to the first branch line LB3. High-frequency cut-off portion 226 by inductor L orFerrite bead FB forms.

The high-frequency cut-off portion 226 that the 3rd lead division 224 passes through the first branch line LB3 is to signal processingSystem (not shown) provides Rch audio signal.

The second branch line LB4 of the 3rd lead division 224 is connected to the ground connection for high frequency, and has(being connected to) capacitor (electric capacity) C222 is with isolation low frequency.

Note, 3 utmost point jack portions 22 with this configuration can be applicable to 2 utmost point plug 40A.

The superposed signal that high-frequency signal and low frequency signal are superposeed is mutually transmitted to 2 utmost point plug 40A'sThe terminal 411A at point place. Terminal 411A is connected to the first socket terminal as jack portion 22Lch terminal LT.

Form the rearward end of 2 utmost point plug 40A with respect to terminal 411A as GND terminal 413A.GND terminal 413A be connected to as the GND terminal TG of the second socket terminal of jack portion 22 andAs the Rch terminal TR of the 3rd socket terminal.

As mentioned above, according to 3 22 places of utmost point jack portion of the jockey of present embodiment, forLch (L channel) the terminal LT of stereo audio signal is arranged on most advanced and sophisticated side, and for verticalRch (R channel) the terminal RT of body sound audio signals be arranged on the longitudinal direction of jack inBetween part.

Be connected to for the ground connection of high frequency and for low frequency provides the capacitor C222 of isolation and be formed on RchTerminal LR place (being connected to Rch terminal LR).

Capacitor C222 can improve transmission characteristic.

Fig. 8 A and Fig. 8 B illustrate the Rch terminal LR that is connected to 3 utmost point jack portions 22 when capacitorTime and the figure of transmission characteristic in the time that capacitor does not connect.

Fig. 8 A illustrates transmission characteristic when capacitor connects. Fig. 8 B illustrates when capacitor does not connectTransmission characteristic.

Transmission characteristic is to be connected to 3 of the connecting plate shown in Fig. 9 B when the changeover plug shown in Fig. 9 AWhen utmost point jack, in the time having connected capacitor C222 (in the time that C exists) and do not connecting capacitorThe result of the transmission characteristic that when C222, (in the time that C does not exist) checks by Network Analyzer.

With reference to figure 8B, in the time not connecting capacitor C222, whole transmission characteristic is deteriorated.

On the contrary, with reference to figure 8A, in the time having connected capacitor C222, whole transmission characteristic is changedKind.

Figure 10 A and Figure 10 B are illustrated in VHF frequency band and UHF frequency band, when headphone cable connectsWhile being connected to antenna cable, according to the peak gain characteristic of the frequency of the receiving system of the first embodimentFigure.

Figure 10 A is illustrated in the characteristic in FM and VHF frequency band. Figure 10 B is illustrated in UHF frequency bandIn characteristic.

In Figure 10 A and Figure 10 B, the curve that H represents is described the characteristic of horizontal polarization, and V representsCurve describe the characteristic of vertical polarization.

Figure 10 C and Figure 10 D illustrate the table of the details that represents the measurement result relevant to performance plot.

Figure 10 A to Figure 10 D is illustrated in provides the headphone cable of 1200mm 70 and 350mmWhen antenna cable 60, and characteristic in the time using 3 utmost point plugs of φ 2.5mm and 3 utmost point jack.

Referring to figures 10A to Figure 10 D, due to the antenna cable that comprises having used according to present embodimentWith the antenna assembly of headphone cable, therefore can receive height in UHF and VHF frequency band and low-frequency bandSignal.

2. the second embodiment

The second configuration example of receiving system (receiving system)

Figure 11 is the figure illustrating according to the equivalent circuit of the receiving system of second embodiment of the invention.

Be different from according to the reception of the first embodiment according to the receiving system 10A of the second embodimentSystem 10, as described below.

According in the antenna assembly of the second embodiment, the coaxial cable 61A of antenna cable 60AShielding part 615 be not attached to the GND terminal 421 as the second plug terminal, and be connected to useMake the Lch terminal 423 of the first plug terminal.

Other configurations are identical with the configuration of the first embodiment.

Figure 12 A and Figure 12 B are illustrated in VHF frequency band and UHF frequency band, when headphone cable connectsWhile being connected to antenna cable, according to the peak gain characteristic of the frequency of the receiving system of the second embodimentFigure.

Figure 12 A is illustrated in the characteristic in FM and VHF frequency band. Figure 12 B is illustrated in UHF frequency bandIn characteristic.

In Figure 12 A and Figure 12 B, the curve that H represents is described the characteristic of horizontal polarization, and VThe curve representing is described the characteristic of vertical polarization.

Figure 12 C and Figure 12 D illustrate the table of the details that represents the measurement result relevant to performance plot.

Figure 13 A and Figure 13 B illustrate as a comparative example, in VHF frequency band and UHF frequency band,In the time that headphone cable is not connected to antenna cable, the figure of the peak gain characteristic of the frequency of receiving system.

Figure 13 A is illustrated in the characteristic in FM and VHF frequency band. Figure 13 B is illustrated in UHF frequency bandIn characteristic.

In Figure 13 A and Figure 13 B, the curve that H represents is described the characteristic of horizontal polarization, and VThe curve representing is described the characteristic of vertical polarization.

Figure 13 C and Figure 13 D illustrate the table of the details that represents the measurement result relevant to performance plot.

With reference to figure 13A to Figure 13 D, in the time of frames connecting with headphone cable not, VHF frequency band and UHF frequency bandIn characteristic (characteristic in VHF frequency band especially) significantly deteriorated.

On the contrary, with reference to figure 12A to Figure 12 D, owing to having used comprising according to the second embodimentThe antenna assembly of antenna cable and headphone cable, therefore can receive in VHF frequency band and UHF frequency bandThe signal of height and low-frequency band.

In the first and second embodiments, capacitor C41 is arranged on as the second plug terminalGND terminal 421 and as between the Rch terminal 422 of the 3rd plug terminal.

Figure 14 illustrates for capacitor C41 to be arranged on the GND end as the second plug terminalSon 421 and the experiment as between the Rch terminal 422 of the 3rd plug terminal time and for not establishingThe figure of the jockey of the experiment while putting capacitor C41.

Figure 15 A and Figure 15 B illustrate that working as capacitor C41 is arranged on GND terminal and Rch terminalBetween time and when capacitor is not set, in the time that antenna cable is connected to headphone cable, at UHF frequentlyIn band according to the figure of the peak gain characteristic of the frequency of the receiving system of the second embodiment.

Figure 15 A represents the characteristic in UHF frequency band in the time that capacitor is not set. Figure 15 B is illustrated inCharacteristic while being provided with capacitor in UHF frequency band.

In Figure 15 A and Figure 15 B, the curve that H represents is described the characteristic of horizontal polarization, and VThe curve representing is described the characteristic of vertical polarization.

Figure 15 C and Figure 15 D illustrate the table of the details that represents the measurement result relevant to performance plot.

In the time that capacitor C41 is not set, even if capacitor C221 and C222 are arranged on jack portionThe first lead division 222 in 22 and the 3rd lead division 224 places, characteristic is also significantly deteriorated.

On the contrary, be arranged on GND terminal 421 Hes as the second plug terminal at capacitor C41While being used as between the Rch terminal 422 of the 3rd plug terminal, can obtain superperformance.

By the second embodiment, comprise antenna cable and ear owing to having used according to present embodimentThe antenna assembly of electric cable, therefore can be received in height in UHF frequency band and the signal of low-frequency band.

3. the 3rd embodiment

The 3rd configuration example of receiving system (receiving system)

Figure 16 is the figure illustrating according to the equivalent circuit of the receiving system of third embodiment of the invention.

According to the receiving system 10B of the 3rd embodiment and according to the receiving system of the first embodiment10 difference is, in antenna assembly 30B, antenna cable 60B does not connect by plugBe connected to headphone cable 70B, but these cables are integrally formed.

By the 3rd embodiment, can obtain the advantage same with the first embodiment.

4. the 4th embodiment

The 4th configuration example of receiving system (receiving system)

Figure 17 is the figure illustrating according to the equivalent circuit of the receiving system of four embodiment of the invention.

According to the receiving system 10C of the 4th embodiment and according to the receiving system of the 3rd embodimentThe difference of 10B is: 4 utmost point plug 40C are as plug.

Therefore, antenna cable 60C uses 4 core coaxial cable 610C.

Figure 17 also illustrates the profile of coaxial cable 610C.

4 utmost point plug 40C comprise the Rch terminal 412 at point 41C place and GND terminal 413 itBetween microphone (MIC) terminal 414.

4 utmost point plug 40C comprise the GND terminal 421 at rearward end 42C place and Rch terminal 422 itBetween microphone (MIC) terminal 425.

In relay 62C, high-frequency cut-off portion 623 is connected to MIC terminal 425. High-frequency cut-offPortion 623 is formed by inductor L3 or ferrite bead.

And coaxial cable 610C comprises extra heart yearn 617 compared with 3 core coaxial cables 610.

A terminal part of heart yearn 617 is connected to the high-frequency cut-off portion 623 in relay 62C.

And another terminal part of heart yearn 617 is connected to microphone (MIC) 90. MIC90 connectsExtremely be used as the heart yearn 613 of GND line, and be connected to the GND line of headphone cable 70C.

In relay 62C, capacitor C42 is formed on the GND terminal as the second plug terminal421 and the 3rd between plug terminal (MIC terminal, or the 4th plug terminal) 425.

Figure 18 be illustrate according to the 4th embodiment for comprise 4 utmost point jack 22C of portion mobile eventuallyThe figure of the equivalent circuit of the jockey of end (electronic installation).

Figure 18 also illustrates 4 utmost point plug 40C, 3 utmost point plugs 40 and 2 that can be connected to the 22C of jack portionUtmost point plug 40A.

And the 22C of jack portion in mobile terminal (electronic installation) 20C additionally comprises jack 221CThe MIC terminal TM at place, and lead division 227 is connected to MIC terminal TM.

High-frequency cut-off portion 228 inserts (connection) to the 3rd lead division (the 4th lead division) 227. HighFrequently cut-off portion 228 is formed by inductor L or ferrite bead FB.

The 3rd lead division 227 that is connected to the MIC terminal TM that is used as the 3rd socket terminal branches intoComprise two lines of the first branch line LB5 and the second branch line LB6. High-frequency cut-off portion 228 inserts(connection) is to the first branch line LB5. High-frequency cut-off portion 228 is by inductor L or ferrite beadFB forms.

The high-frequency cut-off portion 228 that the 3rd lead division 227 passes through the first branch line LB5 is to signal processingSystem (not shown) provides MIC signal.

The second branch line LB6 of the 3rd lead division 227 is connected to the ground connection for high frequency, and has(being connected to) capacitor (electric capacity) C223 is with isolation low frequency.

Note, it is extremely slotting that 4 utmost point jack 22C of portion with this configuration can be applicable to 3 utmost point plugs 40 or 240A.

Other configurations are identical with the configuration of the 3rd embodiment.

By present embodiment, can obtain the advantage same with the first to the 3rd embodiment.

5. the 5th embodiment

The 5th configuration example of receiving system (receiving system)

Figure 19 is the figure illustrating according to the equivalent circuit of the receiving system of fifth embodiment of the invention.

According to the receiving system 10D of the 5th embodiment and according to the receiving system of the 3rd embodimentThe difference of 10B is, in the situation that not using antenna cable, headphone cable 70 is passed through relay62D is connected to 3 utmost point plugs 40.

By the 5th embodiment, can obtain the advantage same with the first to the 3rd embodiment.

6. the 6th embodiment

The 6th configuration example of receiving system (receiving system)

Figure 20 is the figure illustrating according to the equivalent circuit of the receiving system of sixth embodiment of the invention.

Be different from according to the reception of the first embodiment according to the receiving system 10E of the 6th embodimentSystem 10, as described below.

Formed by coaxial cable 610E as first-line Lch line 611E. As second-line GNDLine 613E and be arranged on coaxial cable 610E as the Rch line 612E of the audio signal of the 3rd lineOutside is also parallel to coaxial cable 610E.

The connection at relay 62E place is configured to identical with the configuration of the first embodiment. Rch line612E is connected to Rch terminal 422 by high-frequency cut-off portion 621, and GND line 613E passes throughHigh-frequency cut-off portion 622 is connected to GND terminal 421.

Lch line 611E is connected directly to Lch terminal 423.

In relay 62E, capacitor (electric capacity) C621 is formed on shielding part 615 and Rch lineBetween 612E, and capacitor (electric capacity) C622 is formed on shielding part 615 and GND line 613EBetween.

In the present embodiment, be provided with capacitor. Therefore, can improve antenna performance.

In addition, the relay 63E that is formed by substrate or form by mold is arranged on antenna cableAnother end side of 60E.

3 utmost point jacks are arranged in relay 63E. In relay 63E, coaxial cable 610EAnother end of Lch line 611E be connected to Lch terminal 631.

High-frequency cut-off portion 635 and 636 is connected to respectively the another of Rch line 612E and GND line 613EOne end. High-frequency cut-off portion 635 and 636 is formed by inductor or ferrite bead, and has high frequencyCutoff function. High-frequency cut-off portion 635 is connected to Rch terminal 632, and high-frequency cut-off portion 636 connectsBe connected to GND terminal 633.

In relay 63E, capacitor (electric capacity) C631 is formed on shielding part 615 and Rch lineBetween 612E, and capacitor (electric capacity) C632 is formed on shielding part 615 and GND line 613EBetween.

By thering is the 6th embodiment of this configuration, can obtain same with above-mentioned embodiment excellentPoint.

Note, this configuration can be applicable to 4 utmost point configurations.

7. the 7th embodiment

The 7th configuration example of receiving system (receiving system)

Figure 21 is the figure illustrating according to the equivalent circuit of the receiving system of seventh embodiment of the invention.

Be different from according to the reception of the second embodiment according to the receiving system 10F of the 7th embodimentSystem 10A, as described below.

Formed by coaxial cable 610F as first-line Lch line 611F. As second-line GNDLine 613F and be arranged on coaxial cable 610F as the Rch line 612F of the audio signal of the 3rd lineOutside is also parallel to coaxial cable 610F.

The connection at relay 62F place is configured to identical with the configuration of the first embodiment. Rch line612F is connected to Rch terminal 422 by high-frequency cut-off portion 621, and GND line 613F passes throughHigh-frequency cut-off portion 622 is connected to GND terminal 421.

Lch line 611F is connected directly to Lch terminal 423.

In relay 62F, capacitor (electric capacity) C623 is formed on shielding part 615 and Rch lineBetween 612F, and capacitor (electric capacity) C624 is formed on shielding part 615 and GND line 613FBetween.

In addition, the relay 63F that is formed by substrate or form by mold is arranged on antenna cable 60FAnother end side place.

3 utmost point jacks are arranged in relay 63F. In relay 63F, coaxial cable 610F'sAnother end of Lch line 611F is connected to Lch terminal 631.

High-frequency cut-off portion 637 and 638 is connected to respectively the another of Rch line 612F and GND line 613FOne end. High-frequency cut-off portion 637 and 638 is formed by inductor or ferrite bead, and has high frequencyCutoff function. High-frequency cut-off portion 637 is connected to Rch terminal 632, and high-frequency cut-off portion 638 connectsBe connected to GND terminal 633.

By thering is the 7th embodiment of this configuration, can obtain same with above-mentioned embodiment excellentPoint.

Note, this configuration can be applicable to 4 utmost point configurations.

As mentioned above, by these embodiments, use and be often used in typical audio signalThe plug-socket of φ 3.5mm or φ 2.5mm receives signal in VHF frequency band and UHF frequency bandAntenna can reduce the loss at joint portion place, and high receptivity is provided.

In antenna cable, a part that is connected to relay for transmission cable needn't have coaxial knotStructure, and can comprise two parallel lines.

By these embodiments, because connector can be used as the connector for high and low frequency, because ofThis can reduce quantity and the size of connector. In addition, connector can be used as for typical audio signalEarphone antenna or the connector of other antennas.

And, can be by forming high-frequency cut-off portion around magnetic material wound wire portion.

The present invention comprises the formerly patent Shen of Japan of submitting to Japan Office with on March 26th, 2010Please the relevant theme of the disclosed content of JP2010-073612, its full content is incorporated in this as ginsengExamine.

It will be understood by those skilled in the art that according to design need and other factors, can carry out various amendments,Combination, sub-portfolio and variation, it is all in the scope of claims or its equivalent.

Claims

1. a jockey, comprising:

Jack portion, the Signal plug that comprises multiple plug terminals can be connected to described jack portion,Described jack portion comprises multiple socket terminal, when described Signal plug is connected to described jack portionTime, described multiple plug terminals are connected to described multiple socket terminal; And

Multiple lead divisions, are connected to described multiple socket terminal,

Wherein, described multiple socket terminal comprise the first socket terminal, and described multiple drawingGo out portion and comprise the first lead division that is connected to described the first socket terminal,

Wherein, described the first lead division branch is for comprising the first branching portion and the second branchThe branching portion of portion, the high-frequency cut-off portion with high-frequency cut-off function is connected to described firstBranching portion, and

Wherein, be connected to described the second branch for obtaining the capacitor of high-frequency signalPortion,

Wherein, in described Signal plug, described high-frequency signal and low frequency signal are being connected toThe first plug terminal place of described the first socket terminal superposes mutually, and described the first lead division connectsBe connected to described the first socket terminal,

Wherein, described Signal plug at least comprise there is described the first plug terminal, second insertThree plug terminals of joint terminal and the 3rd plug terminal,

Wherein, the second lead division that is different from described the first lead division is connected to the second jack endSon, described the second plug terminal that is connected to described the second socket terminal has as for lowThe function of the ground connection of frequency and high frequency, and

Wherein, be different from described of described the first plug terminal and described the second plug terminalThree plug terminals have the function of passing through Capacitance Coupled and be used as ground connection for high frequency, andHave for low frequency for transmitting the signal different from the signal of described the first plug terminalFunction.

2. jockey according to claim 1,

Wherein, described multiple lead division comprises and is different from described the first lead division and is connected toDescribed second lead division of the second socket terminal, described the second lead division is connected directly to ground connection.

3. jockey according to claim 2,

Wherein, described multiple socket terminal at least comprises that having three of the 3rd socket terminal insertsNose end, and described multiple lead division at least comprises that having three of the 3rd lead division drawsPortion, and

Wherein, described the 3rd lead division is different from described the first lead division and described second and drawsPortion, and be connected to described the 3rd socket terminal,

Wherein, described the 3rd lead division branch is for comprising the first branching portion and the second branchThe branching portion of portion, the high-frequency cut-off portion with high-frequency cut-off function is connected to described firstBranching portion, and

Wherein, described the second branching portion is connected to the ground connection for high frequency, and has electricityContainer is with isolation low frequency.

4. according to the jockey described in any one in claims 1 to 3,

Wherein, between described the second plug terminal and described the 3rd plug terminal, form electric capacityDevice.

5. jockey according to claim 4,

Wherein, the described high-frequency cut-off portion that has a high-frequency cut-off function is connected to respectively describedTwo plug terminals and described the 3rd plug terminal and connecting portion signal-transmitting cable.

6. jockey according to claim 5,

Wherein, the connecting portion of described the second plug terminal and described high-frequency cut-off portion with described inBetween the 3rd plug terminal, form capacitor.

7. jockey according to claim 6,

Wherein, be formed on the institute between described the second plug terminal and described the 3rd plug terminalState capacitor and be included in the insulation between described the second plug terminal and described the 3rd plug terminalPortion.

8. according to the jockey described in any one in claims 1 to 3,

Wherein, with the side that is connected of signal-transmitting cable, described first of described Signal plugPlug terminal forms at central part, and described second plug terminal of described Signal plug andDescribed the 3rd plug terminal forms in the outside of described the first plug terminal.

9. a receiving system, comprising:

Jockey, comprises that the audio signal plug of multiple plug terminals can be connected to described companyConnection device; And

Electronic installation, has the receiving function that receives broadcast wave by described jockey,

Wherein, described jockey comprises:

Jack portion, described in the Signal plug that comprises described multiple plug terminals can be connected toJack portion, described jack portion comprises multiple socket terminal, when described Signal plug connectsDuring to described jack portion, described multiple plug terminals are connected to described multiple jack endSon, and

Multiple lead divisions, are connected to described multiple socket terminal,

Wherein, described multiple socket terminal comprise the first socket terminal, and described manyIndividual lead division comprises the first lead division that is connected to described the first socket terminal,

Wherein, described the first lead division branch is for comprising the first branching portion andThe branching portion of two branching portions, the high-frequency cut-off portion with high-frequency cut-off function connectsTo described the first branching portion, and

Wherein, be connected to described second for obtaining the capacitor of high-frequency signalBranching portion,

10. receiving system according to claim 9,

11. receiving systems according to claim 10,

12. according to the receiving system described in any one in claim 9 to 11,

13. receiving systems according to claim 12,

14. receiving systems according to claim 13,

15. receiving systems according to claim 14,

16. according to the receiving system described in any one in claim 9 to 11,

Wherein, with the side that is connected of signal-transmitting cable, described first of described Signal plugPlug terminal forms at central part, and described second plug terminal of described Signal plug andDescribed the 3rd plug terminal forms in described the first plug terminal outside.