CN102544696B - Earphone antenna and apply Headphone device and the broadcast receiver of this earphone antenna - Google Patents
Earphone antenna and apply Headphone device and the broadcast receiver of this earphone antenna Download PDFInfo
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- CN102544696B CN102544696B CN201010534941.5A CN201010534941A CN102544696B CN 102544696 B CN102544696 B CN 102544696B CN 201010534941 A CN201010534941 A CN 201010534941A CN 102544696 B CN102544696 B CN 102544696B
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- antenna
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- earphone
- radiant body
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Abstract
The present invention provides a kind of earphone antenna, it includes some coaxial cables, first antenna section, the second antenna segment and third antenna section, described first antenna section includes first antenna radiant body, described second antenna segment includes the second antenna radiator, described third antenna section includes third antenna radiant body, described first antenna radiant body, the second antenna radiator and third antenna radiant body are all coated at least one coaxial cable periphery, to receive the radio signal of at least one wireless communication frequency band respectively.Headphone device and the broadcast receiver of this earphone antenna is applied in this offer of the present invention.This earphone antenna can receive the signal of multiple frequency range, and decreases the volume of broadcast receiver.
Description
Technical field
The present invention relates to a kind of antenna, particularly to a kind of earphone antenna and Headphone device and the broadcast receiver of applying this earphone antenna.
Background technology
Existing broadcast receiver mostly receives the wireless signal in FM frequency range (frequencymodulation) by earphone, namely by the wire between headset plug and earphone horn as FM antenna, when broadcast receiver switches to FM broadcast, FM antenna will obtain the wireless signal of FM frequency range and is sent to broadcast receiver by headset plug.
Along with broadcasted content day by day enriches, except FM function, being integrated on broadcast receiver by TV function has become a main trend of broadcast receiver.But then, when broadcast receiver integrates TV function, antenna in order to receive the frequency band signals such as VHF (VeryHighFrequency) or UHF (UltraHighFrequency) is integrated in broadcast receiver, increase the volume of broadcast receiver undoubtedly, be unfavorable for the compact development trend of electronic installation.
Summary of the invention
In view of this, it is necessary to provide a kind of earphone antenna, so that broadcast receiver receives the signal of multiple frequency range simultaneously.
Separately, there is a need to provide a kind of Headphone device applying described earphone antenna.
Separately, there is a need to provide a kind of broadcast receiver applying described earphone antenna.
A kind of earphone antenna, first antenna section, the second antenna segment and the third antenna section that it includes some coaxial cables, one connects, described first antenna section includes first antenna radiant body, described second antenna segment includes the second antenna radiator, described third antenna section includes third antenna radiant body, described first antenna radiant body, the second antenna radiator and third antenna radiant body are all coated at least one coaxial cable periphery, to receive the radio signal of at least one wireless communication frequency band respectively.
A kind of Headphone device, it includes earphone antenna, described earphone antenna includes some coaxial cables and some antenna radiators, each antenna radiator is coated at least one coaxial cable periphery to receive the radio signal of at least one wireless communication frequency band, and coaxial cable is for transmitting the radio signal that antenna radiator receives.
A kind of broadcast receiver, it has Headphone device, this Headphone device includes earphone antenna, this earphone antenna includes some coaxial cables, the first antenna section that one connects, second antenna segment and third antenna section, described first antenna section includes first antenna radiant body, described second antenna segment includes the second antenna radiator, described third antenna section includes third antenna radiant body, described first antenna radiant body, second antenna radiator and third antenna radiant body are all coated at least one coaxial cable periphery, to receive the radio signal of at least one wireless communication frequency band respectively.
Some antenna radiators are coated on the periphery of coaxial cable by above-mentioned earphone antenna, to be received the radio signal of different frequency range respectively by antenna radiator.Meanwhile, the antenna of multiple frequency ranges is placed in Headphone device by the present invention, decreases the volume of broadcast receiver.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the Headphone device of better embodiment of the present invention；
Fig. 2 is the first antenna section sectional view along I-I of Headphone device shown in Fig. 1；
Fig. 3 is second antenna segment sectional view along II-II of Headphone device shown in Fig. 1；
Fig. 4 is second antenna segment sectional view along III-III of Headphone device shown in Fig. 1；
Fig. 5 is the schematic diagram that the Headphone device of better embodiment of the present invention is plugged in broadcast receiver；
Fig. 6 is the insertion loss test figure that Headphone device shown in Fig. 1 receives DVB-UHF frequency band signals；
Fig. 7 is the insertion loss test figure that Headphone device shown in Fig. 1 receives FM frequency band signals；
Fig. 8 is the insertion loss test figure that Headphone device shown in Fig. 1 receives GPS frequency range and DAB-L-BAND frequency band signals；
Fig. 9 is the insertion loss test figure that Headphone device shown in Fig. 1 receives DVB-VHF frequency range and DAB-III frequency band signals.
Main element symbol description
Headphone device 100
Earphone antenna 10
First antenna section 12
Coaxial cable 122,142,162
Voice-frequency cable 124,144,164
First antenna radiant body 126
First Department of Radiation 1262
Second Department of Radiation 1264
Spacing block 1266,1466,1666
Insulated envelope 128,148,168
Second antenna segment 14
Second antenna radiator 146
3rd Department of Radiation 1462
4th Department of Radiation 1464
Third antenna section 16
Third antenna radiant body 166
5th Department of Radiation 1662
6th Department of Radiation 1664
Conversion matching module 18
Coupling connects circuit 182
Earphone horn 30
Headset plug 50
Mobile phone 200
Signal processing module 220
Signal transmits interface 240
Detailed description of the invention
Referring to Fig. 1 and Fig. 5, the better embodiment of the present invention provides a kind of Headphone device 100, and it can be used in all kinds of broadcast receiver, and the present embodiment is illustrated for example for a mobile phone 200.
This Headphone device 100 includes earphone antenna 10, earphone horn 30 and headset plug 50, and this earphone antenna 10 is used for receiving radio signal, and it is connected between earphone horn 30 and headset plug 50.This earphone horn 30 is in order to playing audio signal, and this headset plug 50 is plugged on mobile phone 200.This mobile phone 200 includes signal processing module 220 and signal transmits interface 240.This signal processing module 220 in order to convert audio signal to by the radio signal that earphone antenna 10 receives, and is sent to earphone horn 30 by signal transmission interface 240, headset plug 50 and earphone antenna 10.In the present embodiment, this signal processing module 220 in order to convert the audio signal of correspondence to by the radio signal in FM frequency range (88MHz-108MHz), DVB-UHF frequency range (470MHz-860MHz), GPS frequency range (1570MHz-1580MHz), DVB-VHF frequency range (170MHz-230MHz), DAB-L-BAND frequency range (1852MHz-1892MHz) and DAB-III frequency range (174MHz-240MHz).This signal transmits interface 240 and coordinates with headset plug 50, in order to input radio signal to signal processing module 220, and audio signal is exported to Headphone device 100 by headset plug 50.
Earphone antenna 10 includes first antenna section the 12, second antenna segment 14, third antenna section 16 and conversion matching module 18.This first antenna section 12 is connected on headset plug 50, and this second antenna segment 14 and third antenna section 16 are connected to the first antenna section 12 both sides with one end by changing matching module 18.
Incorporated by reference to consulting Fig. 2 and Fig. 5, this first antenna section 12 includes some coaxial cables 122, voice-frequency cable 124, first antenna radiant body 126 and insulated envelope 128.The signal that described coaxial cable 122, voice-frequency cable 124 and first antenna radiant body 126 are electrically connected to mobile phone 200 respectively through headset plug 50 transmits interface 240, to transmit the signal of telecommunication.In the present embodiment, the quantity of this coaxial cable 122 is 5, and it transmits the radio wave signal in DVB-UHF frequency range, GPS frequency range, DVB-VHF frequency range, DAB-L-BAND frequency range and DAB-III frequency range respectively through internal center conductor (not shown).Described 5 coaxial cables 122 and voice-frequency cable 124 are insulated from each other, in order to avoid interfering with each other.This voice-frequency cable 124 is used for transmitting audio signal.First antenna radiant body 126 is made of metal, and its cladding coaxial cable 122 and voice-frequency cable 124, in order to receive radio wave.In the present embodiment, this first antenna radiant body 126 includes the first Department of Radiation 1262 and the second Department of Radiation 1264.This first Department of Radiation 1262 is in order to receive the signal of FM frequency range, and its signal being electrically connected to mobile phone 200 by headset plug 50 transmits interface 240, so that the signal of the FM received frequency range is sent to mobile phone 200 by signal transmission interface 240.This second Department of Radiation 1264 and the first Department of Radiation 1262 interval are arranged, in order to receive the signal of DVB-UHF frequency range.For avoiding the first Department of Radiation 1262 and the second Department of Radiation 1264 to interfere, interval therebetween arranges and is about 50mm, and the two interval arranges the spacing block 1266 being made up of the material such as manganese, zinc.This insulated envelope 128 is coated on first antenna radiant body 126 periphery, to protect first antenna radiant body 126.
Incorporated by reference to consulting Fig. 3 and Fig. 5, this second antenna segment 14 includes coaxial cable 142, voice-frequency cable the 144, second antenna radiator 146 and insulated envelope 148.In the present embodiment, the quantity of this coaxial cable 122 is 1.Voice-frequency cable 144 one end is respectively and electrically connected to earphone horn 30, so that audio signal to be sent to earphone horn 30.Second antenna radiator 146 is made of metal, and it is coated on coaxial cable 142 and voice-frequency cable 144 periphery, in order to receive radio wave.In the present embodiment, this second antenna radiator 146 includes the 3rd Department of Radiation 1462 and the 4th Department of Radiation 1464.3rd Department of Radiation 1462 is in order to receive the signal of GPS frequency range, 4th Department of Radiation 1464 is in order to receive the signal of DVB-VHF frequency range, itself and the 3rd Department of Radiation 1462 interval are arranged, and one end electric connection of the center conductor (not shown) with coaxial cable 142.For avoiding the 3rd Department of Radiation 1462 and the 4th Department of Radiation 1464 to interfere with each other, interval therebetween arranges and is about 30mm, and the two interval arranges the spacing block 1466 being made up of the material such as manganese, zinc.This insulated envelope 148 is coated on the second antenna radiator 146 periphery, to protect the second antenna radiator 146.
Incorporated by reference to consulting Fig. 4 and Fig. 5, this third antenna section 16 includes coaxial cable 162, voice-frequency cable 164, third antenna radiant body 166 and insulated envelope 168.In the present embodiment, the quantity of this coaxial cable 162 is 1.One end of this voice-frequency cable 164 is electrically connected to earphone horn 30, so that audio signal to be sent to earphone horn 30.Third antenna radiant body 166 is coated with coaxial cable 162 and voice-frequency cable 164, in order to receive radio wave.In the present embodiment, this third antenna radiant body 166 is made of metal, and it includes the 5th Department of Radiation 1662 and the 6th Department of Radiation 1664.5th Department of Radiation 1662 is in order to receive the signal of DAB-L-BAND frequency range, 6th Department of Radiation 1664 is in order to receive the signal of DAB-III frequency range, itself and five Department of Radiation 1662 intervals are arranged, and one end electric connection of the center conductor (not shown) with coaxial cable 162.For avoiding the 5th Department of Radiation 1662 and the 6th Department of Radiation 1664 to interfere with each other, interval therebetween arranges and is about 30mm, and the two interval arranges the spacing block 1666 being made up of the material such as manganese, zinc.This insulated envelope 168 is coated on third antenna radiant body 166 periphery, to protect third antenna radiant body 166.
Incorporated by reference to consulting Fig. 1 and Fig. 5, this conversion matching module 18 is electrically connected between first antenna section 12 and the second antenna segment 14, third antenna section 16, to play impedance matching and filter action.This conversion matching module 18 arranges some couplings and connects circuit 182, with respectively with the coaxial cable 122 of first antenna section 12, voice-frequency cable the 124, second Department of Radiation 1264, the coaxial cable 142 of the second antenna segment 14, voice-frequency cable the 144, the 3rd Department of Radiation 1462 and the coaxial cable 162 of third antenna section 16, voice-frequency cable the 164, the 5th Department of Radiation 1662 are electrically connected.So, the radio signal that this second Department of Radiation the 1264, the 3rd Department of Radiation the 1462, the 4th Department of Radiation the 1464, the 5th Department of Radiation 1662 and the 6th Department of Radiation 1664 each receive can be respectively sent to mobile phone 200 by conversion matching module 18 and coaxial cable 122.Meanwhile, mobile phone 200 output audio signal also through voice-frequency cable 124, conversion matching module 18, voice-frequency cable 144 or/and voice-frequency cable 164 is sent to earphone horn 30.
When the signal that this Headphone device 100 is plugged in mobile phone 200 transmits interface 240, this first Department of Radiation 1262 transmits interface 240 by signal and is electrically connected with signal processing module 220.Meanwhile, the second Department of Radiation the 1264, the 3rd Department of Radiation the 1462, the 4th Department of Radiation the 1464, the 5th Department of Radiation 1662 and the 6th Department of Radiation 1664 are also electrically connected with signal processing module 220 respectively through conversion matching module 18 and coaxial cable 122.nullSo，When the electric current on signal processing module 220 transmits interface 240 feed-in the first Department of Radiation 1262 by signal、Second Department of Radiation 1264、3rd Department of Radiation 1462、4th Department of Radiation 1464、When the 5th Department of Radiation 1662 and six Departments of Radiation 1664，This earphone antenna 10 can receive FM frequency range、DVB-UHF frequency range、GPS frequency range、DVB-VHF frequency range、Radio signal in DAB-L-BAND frequency range and DAB-III frequency range，And the radio signal received is back to through different paths the signal processing module 220 of mobile phone 200，Such as, radio signal in the DAB-III frequency range that the 6th Department of Radiation 1664 receives is successively through coaxial cable 162、Conversion matching module 18、Coaxial cable 122、Headset plug 50 and signal transmit interface 240 and are back to signal processing module 220.Thereafter, signal processing module 220 converts audio signal to through radio signal, and by voice-frequency cable 124, conversion matching module 18, voice-frequency cable 144 or/and voice-frequency cable 164 is sent to earphone horn 30.
Fig. 6 to Fig. 9 show insertion loss (S11) schematic diagram of the earphone antenna 10 of present pre-ferred embodiments.By Fig. 6 to Fig. 9 it can be seen that when described earphone antenna 10 works in FM frequency range, DVB-UHF frequency range, GPS frequency range, DVB-VHF frequency range, DAB-L-BAND frequency range and DAB-III frequency range, its insertion loss value, less than-5dB, meets the designing requirement of antenna.
It is appreciated that, the Headphone device 100 of the present invention is not limited to the frequency ranges such as reception FM, DVB-UHF described in embodiment, can also be used for receiving the signal of other wireless communication frequency band, such as Bluetooth frequency range or WiFi (WirelessFidelity) frequency range, now only need length and the current path of corresponding change antenna radiator.
It is appreciated that, the earphone antenna 10 of the present invention is not limited to first antenna section the 12, second antenna segment 14 described in embodiment and third antenna section 16 all includes two-stage nitration Department of Radiation, in actual design, appropriate amendment can be done, as first antenna section 12 includes three Departments of Radiation, now set up conversion matching module 18 and coaxial cable 122 at correspondence position more.In like manner, the second antenna segment 14 and third antenna section 16 may also comprise some Departments of Radiation, now increase coaxial cable 142 or coaxial cable 162 accordingly.
The Headphone device 100 of the present invention is by being coated with metal antenna radiator in the periphery of some coaxial cables, and antenna radiator is divided into multistage, to receive the signal of different frequency range simultaneously, and then ensures the receiving sensitivity of each frequency band signals.Meanwhile, the antenna of multiple frequency ranges is placed in Headphone device 100 by the present invention, decreases the volume of broadcast receiver, is conducive to electronic device miniaturization to develop.
Claims (12)
- null1. an earphone antenna，It is characterized in that: this earphone antenna includes some coaxial cables、First antenna section、Second antenna segment and third antenna section，Described first antenna section includes first antenna radiant body，Described second antenna segment includes the second antenna radiator，Described third antenna section includes third antenna radiant body，Described first antenna radiant body includes the first Department of Radiation and the second Department of Radiation，Described first Department of Radiation and the second Department of Radiation interval are arranged，The interval of the two arranges spacing block，Described second antenna radiator includes the 3rd Department of Radiation and the 4th Department of Radiation，Described 3rd Department of Radiation and the 4th Department of Radiation interval are arranged，The interval of the two arranges spacing block，Described third antenna radiant body includes the 5th Department of Radiation and the 6th Department of Radiation，Described 5th Department of Radiation and the 6th Department of Radiation interval are arranged，The interval of the two arranges spacing block，Described first antenna radiant body、Second antenna radiator and third antenna radiant body are all coated at least one coaxial cable periphery，To receive the radio signal of at least one wireless communication frequency band respectively.
- 2. earphone antenna as claimed in claim 1, it is characterised in that: described spacing block is made up of manganese or zinc.
- 3. earphone antenna as claimed in claim 1, it is characterized in that: described earphone antenna includes voice-frequency cable, described first antenna radiant body, the second antenna radiator, third antenna radiant body are all coated on voice-frequency cable periphery, described voice-frequency cable and coaxial cable insulation cable.
- 4. earphone antenna as claimed in claim 1, it is characterised in that: described coaxial cable includes center conductor, and described 4th Department of Radiation and the 6th Department of Radiation are all connected with center conductor.
- 5. earphone antenna as claimed in claim 1, it is characterised in that: described earphone antenna includes conversion matching module, and described conversion matching module is arranged between first antenna section and the second antenna segment, third antenna section, to play impedance matching and filter action.
- 6. a Headphone device, it includes earphone antenna, it is characterized in that: described earphone antenna includes multiple coaxial cable and multiple antenna radiator, described each antenna radiator includes two Departments of Radiation, said two Department of Radiation interval is arranged, the interval of the two arranges spacing block, and each antenna radiator is coated at least one coaxial cable periphery to receive the radio signal of at least one wireless communication frequency band, and coaxial cable is for transmitting the radio signal that antenna radiator receives.
- 7. Headphone device as claimed in claim 6, it is characterised in that: described earphone antenna includes conversion matching module, and described conversion matching module is electrically connected with coaxial cable and antenna radiator.
- 8. Headphone device as claimed in claim 6, it is characterised in that: described Headphone device includes earphone horn, and described earphone antenna includes voice-frequency cable, and described voice-frequency cable is coated in aerial radiation body, and is electrically connected with earphone horn.
- 9. Headphone device as claimed in claim 8, it is characterised in that: described earphone antenna includes headset plug, and described headset plug is electrically connected with coaxial cable and voice-frequency cable.
- 10. a broadcast receiver, it has Headphone device, and this Headphone device includes earphone antenna, it is characterised in that: this earphone antenna is the earphone antenna described in claim 1 to 5 any one.
- 11. broadcast receiver as claimed in claim 10, it is characterised in that: described broadcast receiver includes signal processing module, and this signal processing module converts the signal that earphone antenna receives to audio signal.
- 12. broadcast receiver as claimed in claim 10, it is characterised in that: described broadcast receiver is mobile phone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010534941.5A CN102544696B (en) | 2010-11-08 | 2010-11-08 | Earphone antenna and apply Headphone device and the broadcast receiver of this earphone antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010534941.5A CN102544696B (en) | 2010-11-08 | 2010-11-08 | Earphone antenna and apply Headphone device and the broadcast receiver of this earphone antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102544696A CN102544696A (en) | 2012-07-04 |
| CN102544696B true CN102544696B (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010534941.5A Expired - Fee Related CN102544696B (en) | 2010-11-08 | 2010-11-08 | Earphone antenna and apply Headphone device and the broadcast receiver of this earphone antenna |
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| Country | Link |
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| CN (1) | CN102544696B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015085583A1 (en) * | 2013-12-13 | 2015-06-18 | 展讯通信（上海）有限公司 | Bluetooth antenna and communications terminal sharing a radio frequency (rf) coaxial cable |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4339733A (en) * | 1980-09-05 | 1982-07-13 | Times Fiber Communications, Inc. | Radiating cable |
| CN1762071A (en) * | 2003-02-28 | 2006-04-19 | 索尼株式会社 | Earphone antenna, composite coil used therefore, coaxial cable and radio device with the earphone antenna |
| CN101055936A (en) * | 2006-04-12 | 2007-10-17 | 索尼株式会社 | Antenna device |
| EP1855351A1 (en) * | 2005-03-01 | 2007-11-14 | Matsushita Electric Industrial Co., Ltd. | Antenna assembly and wireless apparatus |
| CN101246987A (en) * | 2007-02-13 | 2008-08-20 | 夏普株式会社 | Antenna, earphone antenna and broadcast receiving device with earphone antenna |
-
2010
- 2010-11-08 CN CN201010534941.5A patent/CN102544696B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4339733A (en) * | 1980-09-05 | 1982-07-13 | Times Fiber Communications, Inc. | Radiating cable |
| CN1762071A (en) * | 2003-02-28 | 2006-04-19 | 索尼株式会社 | Earphone antenna, composite coil used therefore, coaxial cable and radio device with the earphone antenna |
| EP1855351A1 (en) * | 2005-03-01 | 2007-11-14 | Matsushita Electric Industrial Co., Ltd. | Antenna assembly and wireless apparatus |
| CN101055936A (en) * | 2006-04-12 | 2007-10-17 | 索尼株式会社 | Antenna device |
| CN101246987A (en) * | 2007-02-13 | 2008-08-20 | 夏普株式会社 | Antenna, earphone antenna and broadcast receiving device with earphone antenna |
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| Publication number | Publication date |
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| CN102544696A (en) | 2012-07-04 |
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