CN101237078A - Antenna assembly and digital TV receiver using the same - Google Patents
Antenna assembly and digital TV receiver using the same Download PDFInfo
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- CN101237078A CN101237078A CNA2007100027964A CN200710002796A CN101237078A CN 101237078 A CN101237078 A CN 101237078A CN A2007100027964 A CNA2007100027964 A CN A2007100027964A CN 200710002796 A CN200710002796 A CN 200710002796A CN 101237078 A CN101237078 A CN 101237078A
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Abstract
The present invention relates to an antenna component and a digital TV receiver adopting the antenna component. The antenna component comprises an antenna body and a receiving part extended from the antenna body, wherein, the antenna component also comprises an infrared receiver; the infrared receiver is arranged on the antenna body for receiving infrared signals sent from a remote controller. The antenna component ensure the digital TV receiver has strong capability of receiving signals sent from the remote controller.
Description
Technical field
The present invention relates to a kind of antenna module and adopt the DTV receiver of this antenna module, relate in particular to a kind of antenna module and DTV receiver with remote control receiving function.
Background technology
At present, computer is more and more universal, and its function is used computer and come TV reception to become a kind of trend also from strength to strength.And utilize computer to come TV reception to need a DTV receiver to carry out the reception of TV signal, play the TV programme that receives by the display of computer again.
Existing DTV receiver generally comprises a tuner (TV tuner) and an antenna module that is connected with this tuner, this antenna module operated by rotary motion is at spacious visibility point, top as display, come received television signal and the TV signal that receives is transferred to tuner, play the TV programme of receiving through the display by computer after certain signal processing.
And have the DTV receiver of remote control receiving function, generally be an integrated infrared remote receiver on the circuit board of demodulator, in order to receive infrared signal that remote controller sends to realize Remote (Remote Control) function.
General demodulator is to utilize USB interface or directly be inserted on the interior PCI slot of host computer to link to each other to tap into the exchange of capable signal with computer.If demodulator is when being inserted in the USB interface at host computer rear or directly being plugged on the PCI slot in the host computer, because stopping of host computer itself, the infrared remote receiver that is arranged on the circuit board of demodulator can be difficult to receive the infrared signal that remote controller sends, and causes that to receive the dead angle more.Therefore, the use of remote controller is very inconvenient, and might DTV receiver lose the Remote function fully.
Summary of the invention
To a kind of antenna module be described and adopt the DVB-T receiver of this antenna module that this antenna module can make this DTV receiver have the ability of the signal that stronger reception remote controller sends below with embodiment.
A kind of antenna module, it comprises an antenna body, and one from the antenna body acceptance division that extends out; Wherein, this antenna module also comprises an infrared remote receiver; This infrared remote receiver is arranged on this antenna body, in order to receive the infrared signal that remote controller sends.
A kind of DTV receiver, it comprises a tuner, an antenna module,, and the radio frequency cable of this tuner of connection and antenna module; This antenna module comprises an antenna body, and an acceptance division that extends out from this antenna body; The radiofrequency signal that this acceptance division receives can transfer to tuner via radio frequency cable; Wherein, this antenna module also comprises an infrared remote receiver, and this infrared remote receiver is arranged on this antenna body, in order to receive the infrared signal that remote controller sends.
With respect to prior art, described antenna module and adopt the DTV receiver of this antenna module, via infrared remote receiver being arranged on the antenna body of antenna module, because antenna module generally all is arranged on spacious showy position, therefore, infrared remote receiver disposed thereon is easy to receive the infrared signal that remote controller sends, and it has been from having reduced the reception dead angle of infrared signal to a great extent, and then makes that the receiving ability of this DTV receiver is stronger.
Description of drawings
Fig. 1 is the overall structure schematic diagram of the DTV receiver that provides of the embodiment of the invention.
Fig. 2 is the circuit connecting relation schematic diagram of the DTV receiver that provides of first embodiment of the invention.
Fig. 3 is the circuit connecting relation schematic diagram of the DTV receiver that provides of second embodiment of the invention.
Embodiment
To be described in further detail the embodiment of the invention below in conjunction with accompanying drawing.
Referring to Fig. 1, a kind of DTV receiver 100 that the embodiment of the invention provides, it comprises: a tuner 110, one antenna modules 120, are in order to connect the radio frequency cable 130 (RF Cable) of this tuner 110 and antenna module 120.
This tuner 110 is a surface-mounted integrated circuit, and it can utilize a USB interface or directly be plugged on the interior PCI slot of host computer to be connected with computer equipment.This tuner 110 is connected with antenna module 120 by radio frequency cable 130, handles in order to the radiofrequency signal that 120 transmission to antenna module come.After radiofrequency signal after the processing is transferred to computer, can on the display of computer, play the TV programme that receives.
This antenna module 120 comprises: an antenna body 122, the acceptance division 121 and the infrared remote receiver 123 that extend out from this antenna body 122.This acceptance division 121 extends out in order to receive TV RF signals from antenna body 122.This antenna body 122 is connected with tuner 110 by radio frequency cable 130, TV RF signals is transferred to tuner 110.
This infrared remote receiver 123 is arranged on the antenna body 122, in order to receive infrared signal that remote controller sends to carry out the Remote to DTV receiver 100.
In the present embodiment, because these antenna module 120 operated by rotary motion are at spacious visibility point place, therefore infrared remote receiver 123 is arranged in the antenna body 122 of antenna module 120, it generally can not be subjected to other objects, as stopping of host computer etc., the infrared signal that remote controller sends is easy to be received by this infrared remote receiver 123, it has been from having reduced the reception dead angle of infrared signal to a great extent, and then it is stronger to make that the reception remote controller of this DTV receiver 100 sends the ability of infrared signal.
Below will introduce the concrete connecting circuit relation of DTV receiver 100 with specific embodiment.
First embodiment
See also Fig. 2, be the circuit connecting relation schematic diagram of the DTV receiver 100 that first embodiment of the invention provided.This antenna body 122 is provided with an independently-powered voltage source 125 to supply with operating voltages to infrared remote receiver 123, and promptly this voltage source 125 is supplied with operating voltages and given infrared remote receiver 123, and it is not supplied with operating voltage and gives tuner 110.This independently-powered voltage source 125 can be a battery, or a power supply tuner (Power Adapter).Certainly, be understandable that this independently-powered voltage source 125 also can be the supply unit in the computer, it supplies with this infrared remote receiver 123 operating voltages by transmission line.The output signal of this infrared remote receiver 123 transfers to this tuner 110 by radio frequency cable 130.
This independently-powered voltage source 125 is electrically connected resistance R 1, and capacitor C 1 back ground connection, and promptly this voltage source 125 is formed a loop with resistance R 1 and capacitor C 1.The voltage input end Vcc of this infrared remote receiver 123 is electrically connected to the node between this resistance R 1 and the capacitor C 1, makes this infrared remote receiver 123 in running order in order to the voltage that receives this voltage source 125 and provided.The earth terminal GND ground connection of this infrared remote receiver 123.The output end vo ut and one of this infrared remote receiver 123 is arranged on first low pass filter 126 on the antenna body 122 infrared signal that this infrared remote receiver 123 receives that is connected and transfers to this tuner 110 by this first low pass filter 126 and radio frequency cable 130 successively.Particularly, this first low pass filter 126 is made up of a capacitor C 2 and an inductance L 1; The output end vo ut of this infrared remote receiver 123 is electrically connected to the node place between this capacitor C 2 and the inductance L 1, the other end ground connection of this capacitor C 2, and the other end of this inductance L 1 connects radio frequency cable 130 and is connected with acceptance division 121.Preferably, the output end vo ut of this infrared remote receiver 123 further is electrically connected to node between voltage source 125 and the resistance R 1 by a resistance R 2, with the output of the voltage output signal of guaranteeing output end vo ut, and be beneficial to this voltage output signal is delivered to the next stage processing of circuit.
This radio frequency cable 130 is connected with a radio frequency connector 111 of tuner 110, and by one second low pass filter 112 that is arranged in the tuner 110 radiofrequency signal of acceptance division 121 receptions of antenna module 120 and the infrared signal of infrared remote receiver 123 receptions is exported respectively.This second low pass filter 112 is formed by connecting by a capacitor C 4, one inductance L 2 and a capacitor C 3.Particularly, the output of this radio frequency connector 111 is electrically connected to the node place between capacitor C 4 and the inductance L 2, and the other end of capacitor C 4 is as radiofrequency signal output RF O/P, and it is exported in order to the radiofrequency signal that acceptance division 121 is received.The other end of this inductance L 2 is connected with capacitor C 3, the other end ground connection of this capacitor C 3.Node between this inductance L 2 and the capacitor C 3 is as the output IR Data O/P of infrared signal, and it is used for the central processing unit (MCU) that the infrared signal that infrared remote receiver 123 receives exports in the tuner 110 is handled.
Among this first embodiment, this infrared remote receiver 123 utilizes independently-powered voltage source 125, as be arranged on batteries in the antenna body 122 and it is powered make it in running order, receiving the infrared signal that remote controller sends, this infrared signal that receives is successively by first low pass filter 126 and be arranged on radio frequency connector 111 on the tuner 110 and central processing units that second low pass filter 112 is transferred in the tuner 110 are handled to carry out remote control command.
Second embodiment
See also Fig. 3, be the circuit connecting relation schematic diagram of the DTV receiver 200 that second embodiment of the invention provided.The circuit connecting relation that this second embodiment and first embodiment are provided is roughly the same, and its difference is, in this antenna body 222 independently-powered voltage source is not set, and the operating voltage of this infrared remote receiver 223 is provided by tuner 210.This tuner 210 provides direct-current working volts for infrared remote receiver 223 by radio frequency cable 230, and the output signal of this infrared remote receiver 223 transfers to tuner 210 by a transmission line 240.
Particularly, node in second low pass filter 212 in this tuner 210 between inductance L 2 and the capacitor C 3 is as dc voltage input end mouth DC I/P, it can be electrically connected on the voltage source in the tuner 210, with voltage transmission that tuner 210 voltage sources are provided to infrared remote receiver 223.Node between this inductance L 2 and the capacitor C 4 is by radio frequency connector 211, radio frequency cable 230 is connected to the acceptance division 221 and first low pass filter 226, with the direct voltage that tuner 210 is provided transfer to the power end Vcc of the infrared remote receiver 223 that is arranged on the antenna body 222 and radio signal transmission that acceptance division 221 is received to the radio-frequency (RF) output end mouth RF O/P of tuner 210.This radio frequency cable 230 is connected with the inductance L 1 of first low pass filter 226, and the other end of inductance L 1 is connected with capacitor C 2, the other end ground connection of capacitor C 2.Node between inductance L 1 and the capacitor C 2 is connected to resistance R 1, the other end of this resistance R 1 is connected with capacitor C 1, the other end ground connection of capacitor C 1, and the node between resistance R 1 and the capacitor C 1 is electrically connected to the voltage input end Vcc of infrared remote receiver 223, to offer infrared remote receiver 223 operating voltages.The earth terminal GND ground connection of this infrared remote receiver 223, its output end vo ut directly is connected to the central processing unit (figure does not show) of tuner 210 by this transmission line 240.Preferably, a resistance R 2 is set between the node between the output end vo ut of this infrared remote receiver 223 and inductance L 1 and the capacitor C 2,, and is beneficial to this voltage output signal is delivered to the next stage processing of circuit with the output of the voltage output signal of guaranteeing infrared remote receiver 223.
Among this second embodiment, this infrared remote receiver 223 utilizes tuner 210 to provide operating voltage to make it in running order to it, receiving the infrared signal that remote controller sends, this infrared signal that receives is passed out to the central processing unit of tuner 210 via transmission line 240 and handles to carry out remote control command.
In addition, those skilled in the art also can do other variation in spirit of the present invention, as long as it does not depart from technique effect of the present invention and all can.The variation that these are done according to spirit of the present invention all should be included within the present invention's scope required for protection.
Claims (15)
1. antenna module, it comprises an antenna body, and one from the antenna body acceptance division that extends out; It is characterized in that this antenna module also comprises an infrared remote receiver; This infrared remote receiver is arranged on this antenna body, in order to receive the infrared signal that remote controller sends.
2. antenna module as claimed in claim 1 is characterized in that, this antenna body comprises that a voltage source is to provide operating voltage to this infrared remote receiver.
3. antenna module as claimed in claim 2 is characterized in that, this voltage source is battery or power supply adaptor.
4. antenna module as claimed in claim 2 is characterized in that, this antenna body also comprises one first low pass filter, one first resistance R 1, reaches first capacitor C 1, and this first low pass filter comprises one first inductance L 1 and one second capacitor C 2; This voltage source and first resistance R 1 and first capacitor C 1 are formed a loop, and the voltage input end Vcc of this infrared remote receiver is electrically connected to the node between this first resistance R 1 and first capacitor C 1, the other end ground connection of this first capacitor C 1; The earth terminal GND ground connection of this infrared remote receiver; The output end vo ut of this infrared remote receiver is electrically connected to first inductance L 1 of first low pass filter and the node between second capacitor C 2, the other end ground connection of this second capacitor C 2, the other end of this first inductance L 1 is as the output of the infrared control signal of infrared remote receiver reception.
5. antenna module as claimed in claim 4 is characterized in that, this antenna body also comprises one second resistance R 2, and this second resistance R 2 is electrically connected between the output end vo ut of this voltage source and infrared remote receiver.
6. antenna module as claimed in claim 1 is characterized in that, this antenna body also comprises one first low pass filter, one first resistance R 1, reaches one first capacitor C 1, and this first low pass filter comprises one first inductance L 1 and one second capacitor C 2; The voltage input end Vcc of this infrared remote receiver is electrically connected to the node between first resistance R 1 and first capacitor C 1, the other end ground connection of this first capacitor C 1, the other end of this first resistance R 1 is electrically connected to first inductance L 1 in first low pass filter and the node between second capacitor C 2, the other end ground connection of this second electric objective C2, the other end of this first inductance L 1 is as the operating voltage input of infrared remote receiver; The earth terminal GND ground connection of this infrared remote receiver; The output end vo ut of this infrared remote receiver exports the infrared control signal of this infrared remote receiver reception.
7. antenna module as claimed in claim 6, it is characterized in that, this antenna body also comprises one second resistance R 2, and this second resistance R 2 is electrically connected between first inductance L 1 and the node between second capacitor C 2 of the output end vo ut of this infrared remote receiver and first low pass filter.
8. DTV receiver, it comprises a tuner, an antenna module, and a radio frequency cable that connects this tuner and antenna module; This antenna module comprises an antenna body, and an acceptance division that extends out from this antenna body; The radiofrequency signal that this acceptance division receives can transfer to tuner via radio frequency cable; It is characterized in that this antenna module also comprises an infrared remote receiver, this infrared remote receiver is arranged on this antenna body, in order to receive the infrared signal that remote controller sends.
9. DTV receiver as claimed in claim 8 is characterized in that, this antenna body comprises that a voltage source is to provide operating voltage to this infrared remote receiver; The output signal of this infrared remote receiver transfers to tuner by radio frequency cable.
10. DTV receiver as claimed in claim 9 is characterized in that, this voltage source is battery or power supply adaptor.
11. DTV receiver as claimed in claim 9 is characterized in that, this antenna body also comprises one first low pass filter, one first resistance R 1, reaches first capacitor C 1, and this first low pass filter comprises one first inductance L 1 and one second capacitor C 2; This tuner comprises a radio frequency connector that is connected with radio frequency cable, reaches second low pass filter that is connected with the radio frequency connector other end, and this second low pass filter comprises one second inductance L 2, one the 3rd capacitor C 3 and one the 4th capacitor C 4; This voltage source and first resistance R 1 and first capacitor C 1 are formed a loop, and the voltage input end Vcc of this infrared remote receiver is electrically connected to the node between this first resistance R 1 and first capacitor C 1, the other end ground connection of this first capacitor C 1; The earth terminal GND ground connection of this infrared remote receiver; The output end vo ut of this infrared remote receiver is electrically connected to first inductance L 1 of first low pass filter and the node between second capacitor C 2, the other end ground connection of this second capacitor C 2, the other end of this first inductance L 1 is connected to second inductance L 2 of second low pass filter and the node between the 4th capacitor C 4 by radio frequency cable and radio frequency connector, this acceptance division is connected to the node between the radio frequency cable and first inductance L 1, the other end of the 4th capacitor C 4 is as the radiofrequency signal output, the other end of this second inductance L 2 is connected with the 3rd capacitor C 3, the other end ground connection of the 3rd capacitor C 3, and the node between this second inductance L 2 and the 3rd capacitor C 3 is as the infrared signal output.
12. DTV receiver as claimed in claim 11 is characterized in that, this antenna body also comprises one second resistance R 2, and this second resistance R 2 is electrically connected between the output end vo ut of this voltage source and infrared remote receiver.
13. DTV receiver as claimed in claim 8 is characterized in that, this infrared remote receiver provides power supply by tuner to it by radio frequency cable, and the output signal of the output end vo ut of this infrared remote receiver is passed through a transmission line to this tuner.
14. DTV receiver as claimed in claim 13 is characterized in that, this antenna body comprises one first low pass filter, one first resistance R 1, reaches one first capacitor C 1, and this first low pass filter comprises one first inductance L 1 and one second capacitor C 2; This tuner comprises a radio frequency connector that is connected with radio frequency cable and second low pass filter that is connected with the radio frequency connector other end, and this second low pass filter comprises one second inductance L 2, one the 3rd capacitor C 3, reaches one the 4th capacitor C 4; The voltage input end Vcc of this infrared remote receiver is electrically connected to the node between first resistance R 1 and first capacitor C 1, the other end ground connection of this first capacitor C 1, the other end of this first resistance R 1 is electrically connected to first inductance L 1 of first low pass filter and the node between second capacitor C 2, the other end ground connection of this second capacitor C 2, the other end of this first inductance L 1 is electrically connected to the 4th capacitor C 4 in second low pass filter and the node between second inductance L 2 by radio frequency cable and radio frequency connector, the other end of this second inductance L 2 is connected with the 3rd capacitor C 3, the other end ground connection of the 3rd capacitor C 3, the other end of the 4th capacitor C 4 is as the radiofrequency signal output, node between this second inductance L 2 and the 3rd capacitor C 3 is imported direct-current working volts as the operating voltage input of infrared remote receiver in order to the voltage input end Vcc to infrared remote receiver, and this acceptance division is connected to the node between the radio frequency cable and first inductance L 1; The earth terminal GND ground connection of this infrared remote receiver, the output end vo ut of this infrared remote receiver transfers to this tuner by this transmission line with the output signal of the output end vo ut of infrared remote receiver.
15. DTV receiver as claimed in claim 14, it is characterized in that, this antenna body also comprises one second resistance R 2, and this second resistance R 2 is electrically connected between first inductance L 1 and the node between second capacitor C 2 of the output end vo ut of this infrared remote receiver and first low pass filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100027964A CN101237078A (en) | 2007-01-30 | 2007-01-30 | Antenna assembly and digital TV receiver using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100027964A CN101237078A (en) | 2007-01-30 | 2007-01-30 | Antenna assembly and digital TV receiver using the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101237078A true CN101237078A (en) | 2008-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100027964A Pending CN101237078A (en) | 2007-01-30 | 2007-01-30 | Antenna assembly and digital TV receiver using the same |
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| Country | Link |
|---|---|
| CN (1) | CN101237078A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102801940A (en) * | 2011-05-25 | 2012-11-28 | 恒原百炼微电子科技(北京)有限公司 | Device for receiving high-definition videos by television in wireless broadband manner |
-
2007
- 2007-01-30 CN CNA2007100027964A patent/CN101237078A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102801940A (en) * | 2011-05-25 | 2012-11-28 | 恒原百炼微电子科技(北京)有限公司 | Device for receiving high-definition videos by television in wireless broadband manner |
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| ASS | Succession or assignment of patent right |
Owner name: FITILINK INTEGRATED TECHNOLOGY INC. Free format text: FORMER OWNER: EUREKA MICROELECTRONICS INC. Effective date: 20120806 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Free format text: CORRECT: ADDRESS; FROM: TAIWAN, CHINA TO: 30265 TAIWAN, CHINA |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20120806 Address after: Thirty thousand two hundred and sixty-five Taiwan Hsinchu County Chinese jhubei City, Taiwan 5 yuan a Street No. 10 Building 3 Applicant after: Acer semiconductor Limited by Share Ltd Address before: China Taiwan Hsinchu Science Park industrial innovation 12, No. 6 Building Applicant before: Eureka Microelectronics Inc. |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20080806 |