CN201222532Y - Receiving antenna for numeral television receiver - Google Patents
Receiving antenna for numeral television receiver Download PDFInfo
- Publication number
- CN201222532Y CN201222532Y CNU2008200806836U CN200820080683U CN201222532Y CN 201222532 Y CN201222532 Y CN 201222532Y CN U2008200806836 U CNU2008200806836 U CN U2008200806836U CN 200820080683 U CN200820080683 U CN 200820080683U CN 201222532 Y CN201222532 Y CN 201222532Y
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- reception antenna
- usb
- patchcord
- receiver
- digital
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Abstract
The utility model discloses a receiving antenna of a digital television receiver with longer service life, wherein the receiving antenna is installed in an all-purpose serial bus switching wire, one of two terminal ends of the receiving antenna is connected with the all-purpose serial bus switching wire to connect an interface of the digital television receiver, and the receiving antenna is insulated with a data-transmission wire in the all-purpose serial bus switching wire. The receiving antenna is soft and has toughness, is not easily broken or bent, the service life is prolonged, and the receiving antenna can not fall off easily.
Description
Technical field
The utility model relates to a kind of radio frequency (RF) antenna, relates in particular to the reception antenna of a kind of digital TV receiver (USBDongle).
Background technology
USB Dongle is a kind of small and exquisite ground digital television receiving set, link to each other with desktop computer, notebook computer or portable multimedia player movable video-audio terminals such as (PMP) by USB (USB) interface, reach the purpose that reception digital moving-tv signal is watched TV program.Because USB Dongle can realize really that the consumer watches the demand of digital moving-tv whenever and wherever possible, and input cost is lower, so development prospect is boundless.
Fig. 1 is the structural representation of existing a kind of USB Dongle 10, and it comprises radio frequency reception antenna 11, tuner (TUNER) 12, channel demodulation chip 13 and usb 14, wherein:
Tuner (TUNER) 12 links to each other with reception antenna 11, and the radiofrequency signal that reception antenna 11 is received is converted to low frequency baseband signal, sends into channel demodulation chip 13;
Channel demodulation chip 13 links to each other with tuner 12, and the signal that tuner 12 is sent into carries out channel-decoding;
Usb 14 links to each other with channel demodulation chip 13, sends the data behind channel demodulation chip 13 channel-decodings to audio-visual terminal 20 and is used for playing; Usually, the corresponding connection of the usb 14 of USB Dongle side with the USB interface of audio-visual end side.
For ease of carrying and easy to use, the reception antenna 11 general rod-pulling type structures that adopt, this is the same with present radio antenna structural principle.From the sky wire casing (Fig. 1 is not shown) of USB Dongle 10, extract out during use, rotate to received signal quality orientation preferably, obtain preferable audio visual effect.
The rod-pulling type antenna generally all is to make with hard metal material, is connected through the hinge on the housing (Fig. 1 is not shown) of USB Dongle10.Because telescopic antenna generally can be drawn to maximum length improving antenna sensitivity when using, the enhancing signal quality of reception so need take certain spatial dimension, has to be fractureed or the risk of bending.Along with the increasing of access times, owing to reasons such as frictions, hinge connects more and more pine in addition, and reception antenna 11 hangs automatically through regular meeting.In a word, 11 life-spans of reception antenna of rod-pulling type are shorter, and service time, length will reduce user's experience slightly, even have and fractureed or the risk of bending.
The utility model content
Technical problem to be solved in the utility model is the reception antenna that is to provide a kind of digital TV receiver, has long useful life.
In order to solve the problems of the technologies described above, the utility model provides a kind of reception antenna of digital TV receiver, described reception antenna is placed in the USB patchcord, one of described reception antenna two ends are connected on described USB patchcord and connect on the interface of described digital TV receiver, the data line insulation in described reception antenna and the described USB patchcord.
The reception antenna of aforesaid digital TV receiver, the quantity of described reception antenna can comprise more than one or one.
Further, the quantity of described reception antenna is one when above, needs insulation between each reception antenna.
In addition, described reception antenna can comprise wire metal, sheet metal, flexible metal ring or helical wire.
The reception antenna of aforesaid digital TV receiver, on the described interface surface, perhaps described USB patchcord can identify the reception antenna sign body that indication connects described digital TV receiver near on the side surface of described interface.
The utility model and then a kind of USB patchcord is provided, contain reception antenna in the described USB patchcord, one of described reception antenna two ends are connected on described USB patchcord and connect on the interface of described digital TV receiver, data line in the described USB patchcord and the insulation of described reception antenna.
Aforesaid USB patchcord, the quantity of described reception antenna can comprise more than one or one.
Further, the quantity of described reception antenna is one when above, needs insulation between each reception antenna.
In addition, described reception antenna can comprise wire metal, sheet metal, flexible metal ring or helical wire.
Aforesaid USB patchcord, on the described interface surface, perhaps described USB patchcord can identify the reception antenna sign body that indication connects described digital TV receiver near on the side surface of described interface.
The digital TV receiver that the utility model also provides a kind of and aforesaid USB patchcord to be connected, comprise USB (universal serial bus), tuner and channel demodulation chip, described USB (universal serial bus), after described USB patchcord links to each other, by the reception antenna received RF signal in the described USB patchcord; Described tuner links to each other with described USB (universal serial bus), and described radiofrequency signal is converted to low frequency baseband signal; Described channel demodulation chip, link to each other with described USB (universal serial bus) and tuner, described low frequency baseband signal is carried out channel-decoding, with the data behind the described channel-decoding, the data line in the described USB patchcord that links to each other with described USB (universal serial bus) sends then.
Compared with prior art, the utility model is laid reception antenna in the USB patchcord, and is soft and be rich in toughness, and frangibility or bending have not prolonged useful life, and are difficult to come off.Data line mutually insulated in reception antenna and the USB patchcord has advantages of favorable electromagnetic shielding effect, has guaranteed that usb data signal transmission avoids electromagnetic interference.After reception antenna is placed in the USB patchcord, the remainder of USB Dongle, structure can be compact more, and profile can be smaller and more exquisite.Lay the USB patchcord of reception antenna, a line is dual-purpose, and practicality is stronger.Suitably increase the length of reception antenna, and in the USB patchcord, laying many reception antennas, can also obviously strengthen the sensitivity of reception antenna received signal.
Description of drawings
Fig. 1 is the structural representation of existing a kind of USB Dongle.
Fig. 2 be in the prior art USB Dongle and audio-visual terminal by USB patchcord connection diagram.
Fig. 3 is the utility model first embodiment schematic diagram.
Fig. 4 is the utility model second embodiment schematic diagram.
Fig. 5 is the utility model the 3rd embodiment schematic diagram.
Fig. 6 is the embodiment with the corresponding a kind of USB Dongle of the utility model.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, the utility model is described in further detail below in conjunction with accompanying drawing.
The hard rod-pulling type reception antenna 11 of USB Dongle mostly is tubular structure as shown in Figure 1, and an antenna is divided into more piece, and it is all different that each saves antenna diameter.USB Dongle is a general joint cover one joint when not using, and to shorten that antenna length is easy to carry or placement etc., generally extracts every joint during use successively out, obviously is longer than the length when respectively saving antenna and being plugged together, to improve signal receiving quality.But be subjected to restrictions such as reception antenna 11 every joint wall thickness, even if extract each joint fully out, the total length of reception antenna 11 is also only in certain short scope, do not wait under the relatively poor environment of signal quality for signal is very stable, can't guarantee the sensitivity that signal receives, bring certain negative effect for user's seeing and hearing enjoyment.
The utility model is placed in reception antenna in the USB patchcord, and this compares longer service life with the rod-pulling type reception antenna of existing hinge type of attachment.As shown in Figure 2, USB patchcord 30 1 ends are first interfaces 31 that link to each other with USB Dongle 10, and the other end is second interface 32 that links to each other with audio-visual terminal 20.First interface 31 in the USB patchcord 30 links to each other with the usb 14 of USB Dongle side, and second interface 32 links to each other with the USB interface 21 of audio-visual end side.Certainly, if not by means of USB patchcord 30, the usb 14 of USB Dongle side also can directly link to each other with the USB interface 21 of audio-visual end side.
By USB patchcord 30, USB Dongle 10 can avoid directly being connected with audio-visual terminal 20, make USB Dongle 10 for audio-visual terminal 20, putting position and mode more flexibly can be arranged, especially be positioned at the back side or the side of audio-visual terminal 20 for the USB interface 21 of audio-visual end side, and when being subjected to environmental limitations to make that the space is narrow and small etc. to be not easy to directly connect USB Dongle 10, connect USB Dongle 10 and audio-visual terminal 20 by USB patchcord 30, very flexible.
Fig. 3 is the utility model first embodiment schematic diagram, reception antenna 50 is installed in the USB patchcord 40, the end 51 of reception antenna 50 is connected first interface 41 of USB patchcord 40, and reception antenna 50 and the data line mutually insulated on first interface 41 that is used to transmit data.This first interface 41 is used for connecting USB Dongle.As shown in Figure 3, reception antenna 50 with the electric conducting material (Fig. 3 is not shown) that is used for transmitting data together, be installed in the USB patchcord 40, between reception antenna 50 and data line, have insulating material to be separated by, to avoid the electromagnetic interference between reception antenna 50 and the data line.USB Dongle is connected with audio-visual terminal by USB patchcord 40 in use, and come received RF signal by the reception antenna in the USB patchcord 40 50 this moment.Because USB patchcord 40 is soft, the reception antenna 50 that is installed in wherein can be crooked and crooked along with USB patchcord 40, for hard rod-pulling type reception antenna 11 shown in Figure 1, fractures or the probability of bending reduces greatly.Second interface 42 of USB patchcord 60 is used for being connected with audio-visual terminal.
First embodiment shown in Figure 3 is that example describes with the wire metal, and in fact reception antenna 50 can also be the metal wire that twines of sheet metal, flexible metal ring even spiral or the like various forms.
Fig. 4 shows the utility model second embodiment schematic diagram.The difference of second embodiment and aforementioned first embodiment is that reception antenna sign body 49 is arranged on first interface, 41 surfaces of USB patchcord 40, represents with triangle symbol.This reception antenna sign body has indicated first interface 41 and has been used for connecting USBDongle.In other words, also first interface 41 that promptly will be connected with USB Dongle by reception antenna sign body distinguishes with second interface 42 that is connected with audio-visual terminal, also promptly identifies which interface and be used to connect USB Dongle in the USB patchcord.The arrow of reception antenna sign body in present embodiment, can also be the symbol of an antenna pattern, perhaps pass through a salient point etc., the utility model not be limited concrete reception antenna sign body.In addition, be arranged on first interface, 41 surfaces that are connected with USB Dongle, can also be arranged on USB patchcord 40 near on the surface of first interface 41 except reception antenna being identified body.
In the middle of other embodiment of the present utility model, the reception antenna of laying in the USB patchcord can be more.Consider practicality, the utility model is laid the quantity of reception antenna in the USB patchcord, serves as better to be no more than two.
In the middle of the utility model the 3rd embodiment as shown in Figure 5, first reception antenna 71 and second reception antenna 72 totally two antennas have been laid in the USB patchcord 60, the end 78 of first reception antenna 71 and the end 79 of second reception antenna 72, all link to each other, and between first reception antenna 71 and second reception antenna 72 dielectric is arranged with first interface 61 of USB patchcord 60.Except two reception antennas insulated each other, the data line in these two reception antennas and the USB patchcord 60 etc. also was in electric insulating state by dielectric.And two reception antennas are on first interface 61 of USB patchcord 60, all with the data line mutually insulated.First interface 61 of USB patchcord 60 is used for linking to each other with USB Dongle.Compare with a reception antenna is only arranged in the antenna, two reception antennas can strengthen receiving ability greatly.Second interface 62 of USB patchcord 60 is used for being connected with audio-visual terminal.
Fig. 6 shows an embodiment who reception antenna is placed in USB patchcord USB Dongle afterwards.This USB Dongle 80 comprises USB interface 81, tuner 82 and channel demodulation chip 83.This USB Dongle 80 is by reception antenna (not shown among this reception antenna Fig. 6) received RF signal in the USB patchcord 85, and by the data line (not shown among this data line Fig. 6) in this USB patchcord to audio-visual terminal 90 transmission of data signals.The concrete structure of USB Dongle 80 comprises:
USB interface 81, link to each other with tuner 82 and channel demodulation chip 83, after USB patchcord 85 links to each other, send the radiofrequency signal that reception antenna received in the USB patchcord 85 to tuner 82, and channel demodulation chip 83 is carried out data behind the channel-decoding send to audio-visual terminal 90 by the data line in the USB patchcord 85 and play;
Tuner 82 links to each other with USB interface 81 and channel demodulation chip 83, sends into channel demodulation chip 83 after radiofrequency signal is converted to low frequency baseband signal;
Channel demodulation chip 83, link to each other with USB interface 81 and tuner 82, the low frequency baseband signal that tuner 82 is sent into is carried out channel-decoding, with the data line of the data behind the channel-decoding in the USB patchcord 85 that USB interface 81 reaches with USB interface 81 links to each other, send to audio-visual terminal 90 then.
Need to prove, need avoid the mutual interference mutually of radiofrequency signal and data-signal on the USB interface 81 equally.
After the utility model was placed in the reception antenna of USB Dongle in the USB patchcord, remainder was based on electronic devices and components and chip, and under the prerequisite that function is had no effect, structure can design compactly more, and profile can be smaller and more exquisite.And USB Dongle directly is not inserted on the audio-visual terminal, has reduced the possibility of infringements such as being fractureed, increases the service life.
Though the disclosed execution mode of the utility model as above, the execution mode that described content just adopts for the ease of understanding the utility model is not in order to limit the utility model.Technical staff under any the utility model in the technical field; under the prerequisite that does not break away from the disclosed spirit and scope of the utility model; can do any modification and variation what implement in form and on the details; but scope of patent protection of the present utility model still must be as the criterion with the scope that appending claims was defined.
Claims (11)
1, a kind of reception antenna of digital TV receiver is characterized in that:
Described reception antenna is placed in the USB patchcord, one of described reception antenna two ends are connected on described USB patchcord and connect on the interface of described digital TV receiver, the data line insulation in described reception antenna and the described USB patchcord.
2, the reception antenna of digital TV receiver as claimed in claim 1 is characterized in that:
The quantity of described reception antenna comprises more than one or one.
3, the reception antenna of digital TV receiver as claimed in claim 2 is characterized in that:
The quantity of described reception antenna is one when above, insulate between each reception antenna.
4, as the reception antenna of the described digital TV receiver of each claim in the claim 1 to 3, it is characterized in that:
Described reception antenna comprises wire metal, sheet metal, flexible metal ring or helical wire.
5, the reception antenna of digital TV receiver as claimed in claim 1 is characterized in that:
On the described interface surface, perhaps described USB patchcord is near on the side surface of described interface, and sign has indication to connect the reception antenna sign body of described digital TV receiver.
6, a kind of USB patchcord is characterized in that:
Contain reception antenna in the described USB patchcord, one of described reception antenna two ends are connected on described USB patchcord and connect on the interface of described digital TV receiver, data line in the described USB patchcord and the insulation of described reception antenna.
7, USB patchcord as claimed in claim 6 is characterized in that:
The quantity of described reception antenna comprises more than one or one.
8, USB patchcord as claimed in claim 7 is characterized in that:
The quantity of described reception antenna is one when above, insulate between each reception antenna.
9, as the described USB patchcord of each claim in the claim 6 to 8, it is characterized in that:
Described reception antenna comprises wire metal, sheet metal, flexible metal ring or helical wire.
10, USB patchcord as claimed in claim 6 is characterized in that:
On the described interface surface, perhaps described USB patchcord is near on the side surface of described interface, and sign has indication to connect the reception antenna sign body of described digital TV receiver.
11, a kind of digital TV receiver that is connected with the described USB patchcord of claim 6 comprises USB (universal serial bus), and tuner and channel demodulation chip is characterized in that:
Described USB (universal serial bus) is after described USB patchcord links to each other, by the reception antenna received RF signal in the described USB patchcord;
Described tuner links to each other with described USB (universal serial bus), and described radiofrequency signal is converted to low frequency baseband signal;
Described channel demodulation chip, link to each other with described USB (universal serial bus) and tuner, described low frequency baseband signal is carried out channel-decoding, with the data behind the described channel-decoding, the data line in the described USB patchcord that links to each other with described USB (universal serial bus) sends then.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200806836U CN201222532Y (en) | 2008-05-16 | 2008-05-16 | Receiving antenna for numeral television receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200806836U CN201222532Y (en) | 2008-05-16 | 2008-05-16 | Receiving antenna for numeral television receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201222532Y true CN201222532Y (en) | 2009-04-15 |
Family
ID=40576035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200806836U Expired - Lifetime CN201222532Y (en) | 2008-05-16 | 2008-05-16 | Receiving antenna for numeral television receiver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201222532Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102790272A (en) * | 2011-05-18 | 2012-11-21 | 索尼公司 | Usb cable antenna |
| CN103152533A (en) * | 2011-12-07 | 2013-06-12 | 王亚军 | Receiving device and receiving method for terrestrial digital television |
-
2008
- 2008-05-16 CN CNU2008200806836U patent/CN201222532Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102790272A (en) * | 2011-05-18 | 2012-11-21 | 索尼公司 | Usb cable antenna |
| CN102790272B (en) * | 2011-05-18 | 2017-03-01 | 索尼公司 | Usb cable antenna |
| CN103152533A (en) * | 2011-12-07 | 2013-06-12 | 王亚军 | Receiving device and receiving method for terrestrial digital television |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150923 Address after: 100080, Beijing, Zhongguancun Haidian District Street 11, 100 million world wealth center, block A, 12 Patentee after: BEIJING BOXIN SHITONG TECHNOLOGY CO., LTD. Address before: 100084, No. 803, building A, Tsinghua Science and Technology Park, No. 8, Zhongguancun East Road, building 1, Haidian District, Beijing Patentee before: Beijing Chuangyi Vision Technology Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090415 |