CN102163765A

CN102163765A - Antenna device and receiving device

Info

Publication number: CN102163765A
Application number: CN201110035861XA
Authority: CN
Inventors: 吉野功高; 坪井觉
Original assignee: Sony Corp
Current assignee: Sony Semiconductor Solutions Corp
Priority date: 2010-02-19
Filing date: 2011-02-10
Publication date: 2011-08-24
Anticipated expiration: 2031-02-10
Also published as: CN107123857B; JP5682119B2; BRPI1100809A8; CN107123857A; JP2011172125A; BRPI1100809A2

Abstract

The invention discloses an antenna device and a receiving device. The antenna device comprises: a plug used for sound signals comprising a plurality of terminals; and a sound signal transmission cable comprising a plurality of lines, the sound signal transmission cable is configured to transmit sound signals once one end is connected to the plug used for sound signals. An antenna signal line is formed via connection of one of a plurality of terminals of the plug used for sound signals and a line of the sound signal transmission cable. A high-frequency cut-off unit provided with a high-frequency cut-off function is at least connected with the other terminal of the plug used for sound signals, the other terminal is not the one terminal and is connected to the other line of the sound signal transmission cable, the other line is not the line connected to form the antenna signal line.

Description

Antenna assembly and receiving system

Technical field

The present invention relates to can be used on such as the antenna assembly in the mobile electronic device of mobile audio/video (AV) equipment or mobile phone and relate to the receiving system that comprises this antenna assembly.

Background technology

Be accompanied by the big pictureization of mobile electronic device and the miniaturization and the slimming of high performance and TV (TV) tuner, allow on receiving terminal, to watch the mobile electronic device terminal of TV to become universal.

In recent years, the electronic equipment such as communication terminal (for example, mobile phone) with function of reception frequency modulation (FM) radio broadcasting, digital radio broadcasting or digital television broadcasting is more and more utilized.

This electronic equipment allows the user to use earphone (or head-telephone) to come listening to audio by the headphone cable of using coaxial cable.

Electronic equipment (such as mobile phone) with television receiver allows the user to use earphone to come listening to audio.In addition, in this electronic equipment, the cable that is used for earphone is formed by shielded type cable, and as reception antenna, it also is used for the transmission of high-frequency signal.

For example, disclosed earphone antenna in Japan Patent No. 4003671 and No. 4123262.

Summary of the invention

Above-mentioned earphone antenna is often used as the antenna that uses headphone cable (having the plug of diameter as 3.5mm or 2.5mm) to receive FM broadcast wave or a wave band broadcasting.

Yet, use diameter as the tubular terminal of the utmost point cable of 3.5mm or 2.5mm can cause such as high-frequency coupling increase and antenna gain in the shortcoming of obvious deterioration.

Therefore, expectation provides a kind of antenna assembly and receiving system, and it has the terminal coupling unit loss of high receptivity and minimizing.

A kind of antenna assembly of first embodiment of the invention comprises: the audio signal plug comprises a plurality of terminals; And the audio signal transmission cable, comprise many lines, the audio signal transmission cable be configured to the one end in a single day be connected to audio signal with plug with regard to transmitting audio signal.By being interconnected with first line of the first terminal in a plurality of terminals of plug and audio signal transmission cable, audio signal forms the aerial signal line.High-frequency cut-off unit with high-frequency cut-off function is connected to audio signal at least with second terminal in a plurality of terminals of plug, second terminal is different from the first terminal and is connected to second line of audio signal transmission cable, and this second line is different from first line of audio signal transmission cable.

A kind of receiving system second embodiment of the invention comprises: antenna assembly; And the electronic equipment that can be connected to this antenna assembly, this electronic equipment has the function that receives broadcast wave.This antenna assembly comprises: the audio signal plug comprises a plurality of terminals; And the audio signal transmission cable, comprise many lines, the audio signal transmission cable be configured to the one end in a single day be connected to audio signal with plug with regard to transmitting audio signal.By being interconnected with first line of the first terminal in a plurality of terminals of plug and audio signal transmission cable, audio signal forms the aerial signal line.High-frequency cut-off unit with high-frequency cut-off function is connected to audio signal at least with second terminal in a plurality of terminals of plug, this second terminal is different from the first terminal and is connected to second line of audio signal transmission cable, and second line is different from first line of audio signal transmission cable.

According to the embodiment of the present invention, the loss in the terminal coupling unit can be reduced, and high receptivity can be realized.

Description of drawings

Fig. 1 is the diagrammatic sketch that the receiving system (receiving system) that comprises portable terminal (as the example of electronic equipment (television equipment)) is shown, and this electronic equipment comprises the antenna cable of formation according to the wire device of first embodiment of the invention;

Fig. 2 is the diagrammatic sketch that illustrates according to the equivalent electric circuit of the receiving system of first embodiment of the invention;

Fig. 3 illustrates according to the coaxial cable with shielding part of the formation antenna cable of this execution mode and comprises the diagrammatic sketch of equivalent electric circuit of the pin connector of relaying substrate;

Fig. 4 is the diagrammatic sketch that the exemplary construction of the coaxial cable with shielding part is shown;

Fig. 5 is the diagrammatic sketch that illustrates according to the exemplary construction of the installation base plate of the TU Trunk Unit of this execution mode;

Fig. 6 A and Fig. 6 B are the diagrammatic sketch that the example of three utmost point jack units is installed on the substrate that is illustrated in the portable terminal (electronic equipment);

Fig. 7 A to Fig. 7 D illustrates as the first peak value gain characteristic under the situation that three utmost point jack units are installed on the substrate in portable terminal (electronic equipment) in Fig. 6 A and Fig. 6 B with respect to the diagrammatic sketch of the frequency of receiving system;

Fig. 8 A to Fig. 8 D illustrates as the second peak gain characteristic under the situation that three utmost point jack units are installed on the substrate in portable terminal (electronic equipment) in Fig. 6 A and Fig. 6 B with respect to the diagrammatic sketch of the frequency of receiving system;

Fig. 9 A to Fig. 9 D installs in the plug terminal that is illustrated on the installation base plate of TU Trunk Unit of antenna cable as peak gain characteristic under the situation of the ferrite bean (ferrite bead) of high-frequency cut-off unit and under the situation that ferrite bean is not installed with respect to the diagrammatic sketch of the frequency of receiving system;

Figure 10 A and Figure 10 B illustrate when headphone cable is connected to antenna cable the peak gain characteristic with respect to the diagrammatic sketch of the frequency of VHF frequency band receiving system;

Figure 11 is the diagrammatic sketch that illustrates according to the equivalent electric circuit of the receiving system of second embodiment of the invention;

Figure 12 is the diagrammatic sketch that illustrates according to the equivalent electric circuit of the receiving system of third embodiment of the invention;

Figure 13 is the diagrammatic sketch that illustrates according to the equivalent electric circuit of the receiving system of four embodiment of the invention;

Figure 14 A to Figure 14 D illustrates when not using antenna cable to connect headphone cable the peak gain characteristic with respect to the diagrammatic sketch of the frequency of VHF and UHF frequency band receiving system;

Figure 15 is the diagrammatic sketch that illustrates according to the equivalent electric circuit of the receiving system of fifth embodiment of the invention; And

Figure 16 is the diagrammatic sketch that illustrates according to the equivalent electric circuit of the receiving system of sixth embodiment of the invention.

Embodiment

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

To provide description in the following order:

1. first execution mode (first exemplary construction of receiving system (receiving system))

2. second execution mode (second exemplary construction of receiving system (receiving system))

3. the 3rd execution mode (the 3rd exemplary construction of receiving system (receiving system))

4. the 4th execution mode (the 4th exemplary construction of receiving system (receiving system))

5. the 5th execution mode (the 5th exemplary construction of receiving system (receiving system))

6. the 6th execution mode (the 6th exemplary construction of receiving system (receiving system))

1. first execution mode

First exemplary construction of receiving system (receiving system)

Fig. 1 is the diagrammatic sketch that the receiving system (receiving system) that comprises portable terminal (as the example of electronic equipment (television equipment)) is shown, and this electronic equipment comprises the antenna cable of formation according to the wire device of first embodiment of the invention.

Fig. 2 is the diagrammatic sketch that illustrates according to the equivalent electric circuit of the receiving system of first embodiment of the invention.

Fig. 3 illustrates according to the coaxial cable with shielding part of the formation antenna cable of this execution mode and comprises the diagrammatic sketch of equivalent electric circuit of the pin connector of relaying substrate.

Receiving system 10 comprises portable terminal 20 and the antenna assembly 30 as electronic equipment as critical piece.

For example, portable terminal 20 comprise built-in television receiver, audio system circuit, display system circuit, such as the display unit 21 of liquid crystal display and the operating unit etc. that is used to carry out the key input.

Portable terminal 20 comprises with the three-terminal polarized plus plug 40 of antenna assembly 30 and being connected to receive circular socket holes unit 22 and other suitable equipment of high-frequency signal.

Below will describe the structure of circular socket holes unit 22 in detail.

Can receive and launch FM signal that (for example) send from the broadcasting station or very high frequency(VHF) (VHF) and hyperfrequency (UHF) radio signal that is used for receiving digital television broadcast according to the antenna assembly 30 of this execution mode.

Antenna assembly 30 can mainly be formed with three-terminal polarized plus plug 40 and audio signal transmission cable 50 by audio signal, and the portable terminal 20 that is used as electronic equipment has jack units.

In the first embodiment, audio signal transmission cable 50 can be formed by antenna cable 60 and headphone cable 70.

Antenna cable 60 has the coaxial cable 61 that comprises shielding part, and diameter is the three-terminal polarized plus plug 40 of 3.5mm is connected to coaxial cable 61 via TU Trunk Unit a end.Diameter is the other end that three grades of jacks 63 of 3.5mm are connected to coaxial cable 61.

Cap

64 and 65 is configured in the connector of the three-terminal polarized plus plug 40 that uses the relaying substrate and the outside that forms the part of three utmost point jacks 63 respectively.

The exemplary construction of three-terminal polarized plus plug

Three-terminal polarized plus plug 40 has the tubular front end portion 41 in jack units of being inserted into 22, and this leading section 41 has left passage (Lch) terminal 411 that is used for stereo audio signal, right passage (Rch) terminal 412 that is used for stereo audio signal and ground connection (GND) terminal 413 in this mode that terminal 411,412 and 413 is isolated from each other successively from tip side.

Three-terminal polarized plus plug 40 also has the tubulose rearward end 42 of an end (side) that is connected to antenna cable 60, and rearward end 42 has earth terminal 421, Rch terminal 422 and Lch terminal 423 in this mode that terminal 421,422 and 423 is isolated from each other successively from center side.

In three-terminal polarized plus plug 40, Lch terminal 411 in the leading section 41 and the Lch terminal 423 in the rearward end 42 are electrically connected to each other in tubular shafts.

Rch terminal 412 in the leading section 41 and the Rch terminal 422 in the rearward end 42 are electrically connected to each other in tubular shafts.

GND terminal 413 in the leading section 41 and the GND terminal 421 in the rearward end 42 are electrically connected to each other in tubular shafts.

Antenna cable 60 comprises coaxial cable 61, be arranged on the TU Trunk Unit 62 at an end place of coaxial cable 61 and three utmost point jacks 63 that are formed on the other end place of coaxial cable 61.

TU Trunk Unit 62 usefulness caps 64 cover, and three utmost point jacks, 63 usefulness caps 65 cover.

Coaxial cable 61 comprises many lines.Three-terminal polarized plus plug 40 is connected to the TU Trunk Unit 62 on distolateral at coaxial cable 61, and headphone cable 70 be formed on another distolateral on, make the other end that can be connected to coaxial cable 61 via three utmost point jacks 63.

Coaxial cable 61 can be formed by the coaxial cable that (for example) has a shielding part (covering with sheath).

The exemplary construction of antenna cable (exemplary construction) with coaxial cable of shielding part

Fig. 4 is the diagrammatic sketch that the exemplary construction of the coaxial cable with shielding part is shown.

The coaxial cable with shielding part 61 shown in Fig. 4 is formed by triple-concentric cable 610.

Triple-concentric cable 610 comprises many heart yearns 611,612 that form right audio frequency (R) line and left audio frequency (L) line and GND line respectively and 613 and be used to make heart yearn 611,612 and 613 internal insulator 614 insulated from each other.

Coaxial cable 610 have be provided with along the periphery of insulator 614 as the shielding part 615 of external conductor and the outer insulator (skin, sheath) 616 that can make and cover the whole periphery of coaxial cable 610 by elastomer etc.

The heart yearn 611 and 612 that forms R line and L line respectively is corresponding to second line, and the heart yearn 613 of formation GND line is corresponding to first line.

For example, heart yearn 611,612 and 613 can be for comprising the polyurethane electric wire of aramid fibre.

For example, insulator 614 can be formed by the crosslinked polyethylene (PE) through x-ray bombardment.

In addition, for example, shielding part 615 can be formed by the copper cash through annealing.

In addition, shielding part 615 is formed by many leads, and uses (for example) to form by the braid shielded (braided shielding) that weaves naked annealed copper wire and obtain.

Normally a kind of like this electrostatic screen method of braid shielded is even the gap value that i.e. its permission produces between shielding part when cable is crooked than effect shielding (served shielding) still less and flexibility, flex life (flex life) and the mechanical strength of expectation be provided.

Heart yearn 611,612 and 613 and shielding part 615 with regard to high frequency, have impedance.

The exemplary construction of TU Trunk Unit

Next, will the exemplary construction of TU Trunk Unit 62 be described.

Fig. 2 illustrates according to the concrete structure of the TU Trunk Unit of this execution mode and the diagrammatic sketch of the example that the audio signal transmission cable is connected with coaxial cable.

For example, TU Trunk Unit 62 can use substrate or mold to form.

On of TU Trunk Unit 62 is distolateral, get on except insulator 614, shielding part 615 and sheath 616 from coaxial cable 610, make and expose heart yearn 611,612 and 613.

In addition, near TU Trunk Unit 62, remove sheath 616, make and exposed shielding part 615.

On another of TU Trunk Unit 62 is distolateral, the rearward end 42 of three-terminal polarized plus plug 40 is configured to towards heart yearn 611,612 on of coaxial cable 610 is distolateral and 613 end.

For example, in TU Trunk Unit 62, have the high-frequency cut-off function and be connected to Rch terminal 422 in the rearward end 42 of three-terminal polarized plus plug 40 by the high-frequency cut-off unit 621 that inductor L1 and ferrite bean FB1 form.

Rch terminal 422 in the rearward end 42 of three-terminal polarized plus plug 40 is connected to the heart yearn 611 (Rch line) of coaxial cable 610 via high-frequency cut-off unit 621.

For example, in TU Trunk Unit 62, have the high-frequency cut-off function and be connected to Lch terminal 423 in the rearward end 42 of three-terminal polarized plus plug 40 by the high-frequency cut-off unit 622 that inductor L2 and ferrite bean FB2 form.

Lch terminal 423 in the rearward end 42 of three-terminal polarized plus plug 40 is connected to the heart yearn 612 (Lch line) of coaxial cable 610 via high-frequency cut-off unit 622.

In TU Trunk Unit 62, the GND terminal 421 in the rearward end 42 of three-terminal polarized plus plug 40 is connected to the heart yearn 613 (GND line) of coaxial cable 610, and the part that connects is connected to the shielding part 615 of coaxial cable 610.

Thereby, form aerial signal line LANT.

The high-frequency cut-off

unit

621 and 622 that is used for high-frequency cut-off be installed on Rch tone frequency channel wire and the Lch tone frequency channel wire with demonstrate Low ESR at voiced band and in high-frequency region (for example, at VHF or more in the high frequency band) demonstrate high impedance.

Fig. 5 is the diagrammatic sketch that illustrates according to the exemplary construction of the installation base plate of the TU Trunk Unit of this execution mode.

It is that 16.1mm and width are the rectangles of 5.5mm that installation base plate 80 can be shaped as length.Installation base plate 80 has at its end place on vertically and is used to hold the plug housing region 81 of rearward end 42 that diameter is the three-terminal polarized plus plug 40 of 3.5mm.

In the example shown, the length of the rearward end 42 of three-terminal polarized plus plug 40 can be approximately 7.5mm.

Hold near the end, be connected to the GND terminal 82 of the GND terminal 421 of three-terminal polarized plus plug 40 having formed around the plug housing region 81 to be accommodated in.

Plug housing region 81 vertically on formed the R terminal 83 that is connected to Rch terminal 422 in the mid portion near front end.

Plug housing region 81 vertically on leading section in formed the L terminal 84 that is connected to Lch terminal 423.

Installation base plate 80 has splicing ear 85,86 and 87 in other end place longitudinally at it, waits the heart yearn 611,612 with coaxial cable 610 to link to each other with these splicing ears with 613 by welding.

The ferrite bean FB1 of high-frequency cut-off unit 621 is installed in terminal 83 and is provided with between the position of splicing ear 85.

The ferrite bean FB2 of high-frequency cut-off unit 622 is installed in terminal 84 and is provided with between the position of splicing ear 86.

Terminal 82 is connected to each other via being connected distribution LW1 with terminal 87.Terminal 83 is connected to each other via being connected distribution LW2 with ferrite bean FB1.Terminal 84 is connected to each other via being connected distribution LW3 with ferrite bean FB2.

Ferrite bean FB1 is connected to each other via being connected distribution LW4 with splicing ear 85.Ferrite bean FB2 is connected to each other via being connected distribution LW5 with splicing ear 86.

Installation base plate 80 has the structure as antenna, and wherein, the terminal 421,422 in the rearward end 42 of three-terminal polarized plus plug 40 and 423 is by being welded to connect to the terminal 82,83 and 84 corresponding to plug terminal.

The exemplary construction of three utmost point jacks of antenna cable

As shown in Figures 2 and 3, three utmost point jacks 63 comprise Rch terminal 631, Lch terminal 632 and GND terminal 633.

Near three utmost point jacks 63, removed insulator 614, shielding part 615 and sheath 616 at the other end place of coaxial cable 610, make and exposed heart yearn 611,612 and 613.In addition, near three utmost point jacks 63, removed sheath 616, made and exposed shielding part 615.

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

In Fig. 2 and Fig. 3, show plug and insert mouth 634.

The exemplary construction of headphone cable

Headphone cable 70 has branch at the end place that itself and Rch earphone 71 are connected with Lch earphone 72.Diameter is the other end that the three-terminal polarized plus plug 73 of 3.5mm is connected to headphone cable 70.

Three-terminal polarized plus plug 73 is configured to make that the tubular front end portion of three-terminal polarized plus plug 73 inserts and be connected to three utmost point jacks 63 of antenna cable 60, and has Rch terminal 731, Lch terminal 732 and GND terminal 733.

Rch terminal 731 uses Rch line 734 to be connected to earphone 71, and Lch terminal 732 uses Lch line 735 to be connected to earphone 72, and GND terminal 733 is connected to GND line 736 and 737.The exemplary construction of three utmost point jack units of portable terminal (electronic equipment)

As shown in Figure 2, three utmost point jack units 22 that form in portable terminal 20 have three utmost point jacks 221 and draw unit (lead-out wire unit) 222,223 and 224.

Draw the Rch terminal TR that unit 222 is connected to three utmost point jacks 221, to provide Rch audio signal to the signal processing system (not shown).

The high-frequency cut-off unit 225 that is formed by inductor L, ferrite bean FB and any other suitable element that is used for high-frequency cut-off is inserted into (being connected to) and draws unit 222.

Draw the Lch terminal TL that unit 223 is connected to three utmost point jacks 221, to provide Lch audio signal to the signal processing system (not shown).

The high-frequency cut-off unit 226 that is formed by inductor L, ferrite bean FB and any other suitable element that is used for high-frequency cut-off is inserted into (being connected to) and draws unit 223.

Draw the GND terminal TG that unit 224 is connected to three utmost point jacks 221, and be connected to the TV ground wire.

The high-frequency cut-off unit 227 that is formed by inductor L, ferrite bean FB and any other suitable element that is used for high-frequency cut-off is inserted into (being connected to) and draws unit 224.

Draw unit 224 and be divided into the first branch line LB1 and the second branch line LB2.High-frequency cut-off unit 227 is connected to the first branch line LB1.The second branch line LB2 forms aerial signal line LAMT.Capacitor C221 is connected to the second branch line LB2, and the second branch line LB2 further is connected to tuner 23 via capacitor C221.

Fig. 6 A and Fig. 6 B are illustrated in the diagrammatic sketch that the example of three utmost point jack units is installed on the substrate of portable terminal (electronic equipment).

Fig. 6 A shows (under the situation that forms back side pattern) and goes up the example that forms GND line and holding wire (lead) at the back side (installed surface) in the zone that jack units 22 is installed of substrate 24.

Fig. 6 B shows (under the situation that does not form back side pattern) and goes up the example that formation does not have the zone (non-conductive zone) 241 of GND line or holding wire at the back side in the zone that jack units 22 is installed (installed surface).

Fig. 7 A and Fig. 7 B are illustrated in the first peak value gain characteristic under the situation that three utmost point jack units are installed on the substrate of portable terminal (electronic equipment) shown in Fig. 6 A and Fig. 6 B with respect to the diagrammatic sketch of the frequency of receiving system.

Fig. 8 A and Fig. 8 B install under the situation of three utmost point jack units second peak gain characteristic with respect to the diagrammatic sketch of the frequency of receiving system on the substrate in portable terminal (electronic equipment) that is illustrated in shown in Fig. 6 A and Fig. 6 B.

In Fig. 7 A, Fig. 7 B, Fig. 8 A and Fig. 8 B, curve H represents horizontal polarization (horizontalpolarization) characteristic, and curve V represents vertical polarization (vertical polarization) feature.

In Fig. 7 C, Fig. 7 D, Fig. 8 C and Fig. 8 D, show in detail form according to the expression measurement result of characteristic diagrammatic sketch.

Shown in Fig. 6 A and Fig. 6 B, example illustrated show with regard to be attached to antenna cable 60 when the long earphone of rope for 1200mm and when only using antenna cable 60 with regard to the situation of measuring antenna gain in the darkroom, on the back side of jack units 22, formed or do not formed the situation of GND pattern.

Fig. 7 A to Fig. 7 D shows the measurement result when having connected headphone cable 70, and Fig. 8 A to Fig. 8 D shows the measurement result when only using antenna cable 60.In addition, Fig. 7 A and Fig. 8 A show the situation that has formed back side pattern, and Fig. 7 B and Fig. 8 B show the situation that does not form back side pattern.

As can be seen from Fig. 7 A to Fig. 7 D and Fig. 8 A to Fig. 8 D, when not when the installed surface (back side) in the zone that is provided with jack units 22 is gone up the current-carrying part that forms such as the GND pattern, compare with having formed current-carrying part, obtained the performance of more improvement.

Fig. 9 A and Fig. 9 B install in the plug terminal that is illustrated on the installation base plate of TU Trunk Unit 62 of antenna cable as peak gain characteristic under the situation of the ferrite bean of high-frequency cut-off unit and under the situation that ferrite bean is not installed with respect to the diagrammatic sketch of the frequency of receiving system.

Fig. 9 A shows and is installing as the measurement result under the situation of the ferrite bean of high-frequency cut-off unit, and Fig. 9 B shows in the measurement result that not have to install under the situation of the ferrite bean that is used as the high-frequency cut-off unit.

In Fig. 9 A and Fig. 9 B, curve H represents the horizontal polarization characteristic, and curve V represents the vertical polarization characteristic.

In Fig. 9 C and Fig. 9 D, show in detail form according to the expression measurement result of characteristic diagrammatic sketch.

As can be seen, when not being connected to plug terminal in the high-frequency cut-off unit, characteristic is deterioration greatly from Fig. 9 A to Fig. 9 D, and when being connected to plug terminal in the high-frequency cut-off unit, has obtained good characteristic.

Figure 10 A illustrates when headphone cable is connected to antenna cable the peak gain characteristic with respect to the diagrammatic sketch of the frequency of VHF frequency band receiving system.

In Figure 10 A, curve H represents the horizontal polarization characteristic, and curve V represents the vertical polarization characteristic.

In Figure 10 B, show in detail form according to the expression measurement result of characteristic diagrammatic sketch.

From Figure 10 A and Figure 10 B as can be seen, by using the antenna assembly that comprises antenna cable and headphone cable, can receive the high frequency band of VHF and the signal in the low-frequency band according to this execution mode.

2. second execution mode

Second exemplary construction of receiving system (receiving system)

Figure 11 is the diagrammatic sketch that illustrates according to the equivalent electric circuit of the receiving system of second embodiment of the invention.

Be with difference according to the receiving system 10A of second execution mode according to the receiving system 10 of first execution mode, in antenna assembly 30A, antenna cable 60A connects together with headphone cable 70A with being integrated rather than is connected via plug and is connected with each other.

The structure of other similar in first execution mode.

According to second execution mode, can realize advantage confers similar advantages with above-mentioned first execution mode.

3. the 3rd execution mode

The 3rd exemplary construction of receiving system (receiving system)

Figure 12 is the diagrammatic sketch that illustrates according to the equivalent electric circuit of the receiving system of third embodiment of the invention.

Be that with difference four utmost point plug 40B are used as plug according to the receiving system 10B of the 3rd execution mode according to the receiving system 10A of second execution mode.

Therefore, antenna cable 60B uses four-core coaxial cable 610B.

In Figure 12, also show the cross section of coaxial cable 610B.

Four utmost point plug 40B have leading section 41B, wherein, microphone (MIC) terminal 414 are set between Rch terminal 412 and GND terminal 413.

Four utmost point plug 40B also have rearward end 42B, wherein, between GND terminal 421 and Rch terminal 422 MIC terminal 424 are set.

In TU Trunk Unit 62B, the high-frequency cut-off unit 623 that is formed by inductor L3 and ferrite bean is connected to MIC terminal 424.

In addition, except that triple-concentric cable 610, coaxial cable 610B also comprises heart yearn 617.

One end of heart yearn 617 is connected to the high-frequency cut-off unit 623 among the TU Trunk Unit 62B.

The other end of heart yearn 617 is connected to microphone (MIC) 90, and MIC 90 is connected to as the heart yearn 613 of GND line and the GND line of headphone cable 70B.

In the jack units 22B of portable terminal (electronic equipment) 20B, jack 221B has additional MIC terminal TM, and draws unit 228 and be connected to this MIC terminal TM.

The high-frequency cut-off unit 229 that is used for high-frequency cut-off that is formed by inductor L, ferrite bean FB and any other suitable element is inserted into (being connected to) and draws unit 228.

The similar of other structures and second execution mode.

According to the 3rd execution mode, can realize advantage confers similar advantages with above-mentioned first execution mode and second execution mode.

4. the 4th execution mode

The 4th exemplary construction of receiving system (receiving system)

Figure 13 is the diagrammatic sketch that illustrates according to the equivalent electric circuit of the receiving system of four embodiment of the invention.

Be that with difference in antenna assembly 30C, headphone cable 70 is connected to three-terminal polarized plus plug 40 and does not use antenna cable via TU Trunk Unit 62C according to the receiving system 10C of the 4th execution mode according to the receiving system 10A of second execution mode.

Figure 14 A and Figure 14 B illustrate when not using antenna cable to be connected headphone cable the peak gain characteristic with respect to the diagrammatic sketch of the frequency of VHF and UHF frequency band receiving system.

In Figure 14 A and Figure 14 B, curve H represents the horizontal polarization characteristic, and curve V represents the vertical polarization characteristic.

In Figure 14 C and Figure 14 D, show in detail form according to the expression measurement result of characteristic diagrammatic sketch.

Figure 14 A and Figure 14 C show the characteristic of VHF frequency band, and Figure 14 B and Figure 14 D show the characteristic of UHF frequency band.

As can be seen from Figure 10 A and Figure 10 B, comprise in use under the situation of antenna assembly of antenna cable and headphone cable, can receive the high frequency band of VHF and the signal in the low-frequency band.

On the contrary, even under the situation of only using the common headphones cable, as from the measurement result of the antenna gain shown in Figure 14 A to Figure 14 D as can be seen, though the characteristic of UHF frequency band is better for using antenna cable, can obtain the characteristic of basic equivalence to the VHF frequency band.Therefore, can realize having the antenna assembly of receptivity to a certain extent.

5. the 5th execution mode

The 5th exemplary construction of receiving system (receiving system)

Figure 15 is the diagrammatic sketch that illustrates according to the equivalent electric circuit of the receiving system of fifth embodiment of the invention.

Be with difference according to the receiving system 10D of the 5th execution mode according to the receiving system 10A of second execution mode:

Formed by coaxial cable 610D as first-line GND line 613D, the second-line Rch line 611D that is used for audio signal that is used as externally is set to parallel with coaxial cable 610D with Lch line 612D.

In TU Trunk Unit 62D, similar with second execution mode, Rch line 611D is connected to plug terminal 422 via high-frequency cut-off unit 621, and Lch line 612D is connected to plug terminal 423 via high-frequency cut-off unit 622.

In TU Trunk Unit 62D, be connected to each other as the GND terminal 421 of GND line 613D, shielding part 615 and the plug 40 of the heart yearn of coaxial cable 610D, form aerial signal line LANT thus.

In addition, in TU Trunk Unit 62D, between aerial signal line LANT and Rch line 611D and aerial signal line LANT and Lch line 612D, form capacitor C621 and C622 respectively.

In this execution mode, be provided with capacitor.Therefore, can improve antenna performance.

Be provided with the TU Trunk Unit 100 of using substrate or mold to form at the other end place of antenna cable 60D.

In TU Trunk Unit 100, the other end of the heart yearn 613D of coaxial cable 610D is connected to the

GND line

736 and 737 of headphone cable 70 via distribution 101.

In addition, form by inductor and ferrite bean and high-frequency cut-off

unit

102 and 103 with high-frequency cut-off function is connected to the other end of holding

wire

611D and 612D respectively.

High-frequency cut-off unit 102 is connected to the Rch line 734 of headphone cable 70 via distribution 104, and high-frequency cut-off unit 103 is connected to the Lch line 735 of headphone cable 70 via distribution 105.

The 5th execution mode with said structure can also be realized the advantage confers similar advantages with above-mentioned execution mode.

6. the 6th execution mode

The 6th exemplary construction of receiving system (receiving system)

Be with difference according to the receiving system 10E of the 6th execution mode according to the receiving system 10B of the 3rd execution mode:

Forms by coaxial cable 610E as first-line GND line 613E, MIC line 617E externally be used as the second-line Rch line 611E that is used for audio signal and be set to parallel with coaxial cable 610E with Lch line 612E.

In TU Trunk Unit 62E, similar with the 3rd execution mode, Rch line 611E is connected to plug terminal 422 via high-frequency cut-off unit 621, and Lch line 612E is connected to plug terminal 423 via high-frequency cut-off unit 622.In addition, MIC line 617E is connected to plug terminal 424 via high-frequency cut-off unit 623.

In TU Trunk Unit 62E, be connected to each other as the GND terminal 421 of GND line 613E, shielding part 615 and the plug 40B of the heart yearn of coaxial cable 610E, form aerial signal line LANT thus.

In addition, in TU Trunk Unit 62E, forming capacitor C621, C622 and C623 between aerial signal line LANT and the Rch line 611E, between aerial signal line LANT and the Lch line 612E and between aerial signal line LANT and the MIC line 617E respectively.

In this embodiment, be provided with capacitor.

The other end at antenna cable 60E is provided with the TU Trunk Unit 100E that uses substrate or mold to form.

In TU Trunk Unit 100E, the other end of the heart yearn 613E of coaxial cable 610E is connected to the

GND line

736 and 737 of headphone cable 70 via distribution 101E.

In addition, form by inductor and ferrite bean and have high-frequency cut-off unit 102E, the 103E of high-frequency cut-off function and an other end that 106E is connected to holding

wire

611E, 612E and 617E respectively.

High-frequency cut-off unit 102E is connected to the Rch line 734 of earphone 70 via distribution 104E, and high-frequency cut-off unit 103E is connected to the Lch line 735 of earphone 70 via distribution 105E.

High-frequency cut-off unit 106E is connected to MIC 90, and MIC 90 is connected to the

GND line

736 and 737 of distribution 101E and headphone cable 70 via distribution 107E.

The 6th execution mode with said structure also can be realized the advantage confers similar advantages with above-mentioned execution mode.

As mentioned above, according to illustrated embodiment, the antenna that is used to receive VHF and UHF signal that can use diameter general in the standard audio system to realize having the loss that reduces in high receptivity and the coupling unit as plug and the jack of 3.5mm, 2.5mm etc.

In antenna cable, the transmission cable part that is connected to TU Trunk Unit is not to have coaxial configuration, but can be formed by two parallel lines.

In addition, can also form the high-frequency cut-off unit by twining cable portion around magnetic material.

The application comprises the theme that is involved in the Japanese priority patent application JP 2010-035430 that submitted to Japan Patent office on February 19th, 2010, and its full content is hereby expressly incorporated by reference.

It should be appreciated by those skilled in the art that can carry out various modifications, combination, sub-portfolio and change according to designing requirement and other factors, they are all in the scope of claims or its equivalent.

Claims

1. antenna assembly comprises:

The audio signal plug comprises a plurality of terminals; And

The audio signal transmission cable comprises many lines, described audio signal transmission cable be configured to the one end in a single day be connected to described audio signal with plug with regard to transmitting audio signal,

Wherein,, described audio signal forms the aerial signal line by being interconnected with first line of the first terminal in described a plurality of terminals of plug and described audio signal transmission cable, and

Wherein, high-frequency cut-off unit with high-frequency cut-off function is connected to described audio signal at least with second terminal in described a plurality of terminals of plug, described second terminal is different from described the first terminal and is connected to second line of described audio signal transmission cable, and described second line is different from described first line of described audio signal transmission cable.

2. antenna assembly according to claim 1, wherein, described audio signal is connected to jack units with plug, and

Wherein, described jack units is installed on the substrate, and the part at the back side that comprises described jack units of described substrate has the installed surface that is formed non-conductive zone at least.

3. antenna assembly according to claim 2, wherein, described jack units comprises a plurality of unit of drawing, and

Wherein, high-frequency cut-off unit with high-frequency cut-off function is connected at least describedly a plurality ofly draws second in the unit and draws the unit, described second draws the unit is different from and describedly a plurality ofly draws first in the unit and draw the unit, and described first draws the unit is configured to form the aerial signal line by being connected to described audio signal with plug.

4. antenna assembly according to claim 3, wherein, described first draws the unit has branching portion,

Wherein, a branching portion is connected to the high-frequency cut-off unit, and

Wherein, another branching portion is connected to capacitor.

5. according to each described antenna assembly in the claim 1 to 4, wherein, described audio signal transmission cable comprises the coaxial cable with shielding part, and described coaxial cable is covered by the sheath as antenna cable, and

Wherein, described shielding part is connected to described the audio signal described the first terminal of plug and described first line of described audio signal transmission cable at an end place of described coaxial cable.

6. according to each described antenna assembly in the claim 1 to 5, wherein, described audio signal transmission cable comprises:

Coaxial cable with shielding part, described coaxial cable is covered by the described first-line sheath that comprises described audio signal transmission cable; And

Second line is different from described first line of described audio signal transmission cable, and described second line is set to parallel with described coaxial cable, and

Wherein, described second line is connected to described second terminal of described audio signal with plug at one end place by described high-frequency cut-off unit.

7. antenna assembly according to claim 6 wherein, at an end place of described coaxial cable, is formed with capacitor between a described aerial signal line and a described second-line end, described shielding part is connected to described aerial signal line.

8. according to claim 6 or 7 described antenna assemblies, wherein, described audio signal transmission cable comprises headphone cable,

Wherein, at the holding wire that is used for headphone cable be used among the holding wire of microphone, described second line comprises the described holding wire that is used for headphone cable at least, and

High-frequency cut-off unit with high-frequency cut-off function is connected between the described second-line other end and the described holding wire that is used for headphone cable at least.

9. according to each described antenna assembly in the claim 1 to 8, wherein, in the other end of end of described audio signal transmission cable and described audio signal transmission cable, be provided with TU Trunk Unit at a described end place of described audio signal transmission cable at least, and

Described TU Trunk Unit comprises splicing ear, connecting line and the described high-frequency cut-off unit of each terminal that is connected to described audio signal usefulness plug at least.

10. according to each described antenna assembly in the claim 1 to 9, wherein, described audio signal comprises by shared with plug and is the plug terminal of described aerial signal line, and

Wherein, described first line of described plug terminal and described audio signal transmission cable comprises the ground wire of audio signal wire.

11. a receiving system comprises:

Antenna assembly; And

Electronic equipment can be connected to described antenna assembly, and described electronic equipment has the function that receives broadcast wave,

Described antenna assembly comprises:

The audio signal plug comprises a plurality of terminals; With

12. receiving system according to claim 11, wherein, described electronic equipment comprises jack units, and described jack units is configured to be connected to the described audio signal plug of described antenna assembly, and

13. receiving system according to claim 12, wherein, described jack units comprises a plurality of unit of drawing, and

14. receiving system according to claim 13, wherein, described first draws the unit has branching portion,

Wherein, another branching portion is connected to capacitor.

15. according to the described receiving system of claim 11 to 14, wherein, described audio signal transmission cable comprises the coaxial cable with shielding part, described coaxial cable is covered by the sheath as antenna cable, and

16. according to each described receiving system in the claim 11 to 15, wherein, described audio signal transmission cable comprises:

17. receiving system according to claim 16 wherein, at an end place of described coaxial cable, is formed with capacitor between a described aerial signal line and a described second-line end, described shielding part is connected to described aerial signal line.

18. according to claim 16 or 17 described receiving systems, wherein, described audio signal transmission cable comprises headphone cable,

19. according to each described receiving system in the claim 11 to 18, wherein, in the other end of end of described audio signal transmission cable and described audio signal transmission cable, be provided with TU Trunk Unit at a described end place of described audio signal transmission cable at least, and

Described TU Trunk Unit comprises splicing ear, connecting line and the high-frequency cut-off unit that is connected in described audio signal usefulness each terminal of plug at least.

20. according to each described receiving system in the claim 11 to 19, wherein, described audio signal comprises by shared with plug and is the plug terminal of described aerial signal line, and