CN101567702A - Self-adaptive vehicle FM transmitting device and implementation method thereof - Google Patents
Self-adaptive vehicle FM transmitting device and implementation method thereof Download PDFInfo
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- CN101567702A CN101567702A CNA2009101069840A CN200910106984A CN101567702A CN 101567702 A CN101567702 A CN 101567702A CN A2009101069840 A CNA2009101069840 A CN A2009101069840A CN 200910106984 A CN200910106984 A CN 200910106984A CN 101567702 A CN101567702 A CN 101567702A
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Abstract
The invention discloses a self-adaptive vehicle FM transmitting device and implementation method thereof. When the user presses a scanning trigger switch, if the system is at the FM full-frequency frequency-point automatic scanning state, a FM full-frequency frequency-point scanning circuit scans the FM full-frequency frequency-point; a FM frequency-point information comparison memory circuit receives the frequency-point information scanned by the FM full-frequency frequency-point scanning circuit and stores each frequency-point information and compares and screens each frequency-point information to fine the FM transmitting frequency-point with best effect; the system automatically sets the FM transmitting frequency-point with best effect as the FM frequency-modulation transmitting point, transmits the FM signal; at the same time a frequency-point information display circuit displays the information of the FM frequency-modulation transmitting point on the liquid crystal window of the frequency-point information display circuit to make the user quickly and conveniently select the FM frequency-modulation transmitting point with best effect in an area and performs the FM transmission of the information.
Description
[technical field]
The present invention relates to FM frequency modulation lift-off technology field, particularly a kind of adaptive vehicle FM transmitting device and its implementation.
[background technology]
Present a lot of car owners like using the FM reflector of vehicle mounted MP 3, and the FM reflector of vehicle mounted MP 3 is by the emission of FM frequency modulation, and music information is play by the broadcast receiver reception of automobile.Like this, the user can enjoy the music of oneself liking very easily.As the MP3 vehicle audible device of No. 200620007836 disclosed a kind of wireless connections of Chinese patent, yet there is following defective in this mode, at first is to be difficult to find a preferable FM emission frequency.Owing to will carry out the emission of FM frequency modulation, FM frequency modulation point should be avoided local broadcasting frequency.And information of this broadcasting frequency is all unclear concerning a lot of users, be in so much broadcasting frequency, and the frequency modulation that the frequency of seeking one " idle " carries out FM is launched and is just seemed cumbersome.Generally be that the user is provided with the FM frequency earlier, the frequency modulation emission, the broadcast receiver with automobile comes confirmation of receipt then; If effect is bad, then need the user that the FM frequency is set again, frequency modulation is launched again, and then comes confirmation of receipt with the broadcast receiver of automobile.So circulation, process complexity, very trouble.And to the end, set frequency modulation frequency also may not be best frequency.Secondly, the FM frequency has the restriction in zone.In the city or some areas, the setting of broadcasting frequency is not quite similar, and also can influence the user and listen to music.Such as on A ground, 89.5MHZ is idle frequency, can be used for being set to frequency modulation emission frequency; But when car is reached B ground, might 89.5MHZ be a local broadcasting frequency, then cause the FM reception of FM to be crosstalked, influence reception.
[summary of the invention]
For addressing the above problem, main purpose of the present invention is to provide a kind of adaptive vehicle FM transmitting device and its implementation, make the user can determine the FM frequency modulation emission frequency of best results quickly and easily at a local area, information is carried out FM send transmission.
For achieving the above object, technical scheme of the present invention is:
A kind of adaptive vehicle FM transmitting device, include the FM full frequency band frequency point scanning circuit that the FM full frequency band frequency point is scanned, the FM frequency point information that is connected with FM full frequency band frequency point scanning circuit relatively memory circuit, with the FM frequency point information FM radiating circuit that is connected of memory circuit and be connected to show that FM launches the frequency point information display circuit of frequency modulation transmission point information relatively with the FM radiating circuit.
A kind of implementation method of self adaptation vehicle FM transmitting device comprises the steps:
The user presses the scanning trigger switch, and then system enters the state of FM full frequency band frequency point automatic scan, and FM full frequency band frequency point scanning circuit scans the FM full frequency band frequency point;
FM frequency point information relatively memory circuit receives the frequency point information that FM full frequency band frequency point scanning circuit scans, and the information of each frequency is preserved, and compares screening by the information to each frequency then, finds out the best FM emission frequency of effect;
Automatically that the effect of finding out is the best FM emission frequency point setting of system is the FM frequency modulation transmission point, carries out the signal emission of FM, and simultaneously, the frequency point information display circuit shows the liquid crystal window of the information of the frequency modulation transmission point of FM by the frequency point information display circuit.
Compared to prior art, the adaptive vehicle FM transmitting device of the present invention and its implementation make the user conveniently to select the FM frequency modulation transmission point of a best results at a local area, then information are carried out FM and send transmission.
[description of drawings]
Fig. 1 is the theory diagram of the adaptive vehicle FM transmitting device of the present invention.
Fig. 2 is the flow process diagram of the implementation method of self adaptation vehicle FM transmitting device of the present invention.
[embodiment]
See also shown in Figure 1, the adaptive vehicle FM transmitting device of the present invention include the FM full frequency band frequency point scanning circuit that the FM full frequency band frequency point is scanned, the FM frequency point information that is connected with FM full frequency band frequency point scanning circuit relatively memory circuit, with the FM frequency point information FM radiating circuit that is connected of memory circuit and be connected to show that FM launches the frequency point information display circuit of frequency modulation transmission point information relatively with the FM radiating circuit.
The user presses the scanning trigger switch, and then system enters the state of FM full frequency band frequency point automatic scan, and FM full frequency band frequency point scanning circuit scans the FM full frequency band frequency point.FM frequency point information relatively memory circuit receives the frequency point information that FM full frequency band frequency point scanning circuit scans, and the information of each frequency is preserved, and compares screening by the information to each frequency then, finds out the best FM emission frequency of effect.(as at the adjacent frequency broad, and the more weak centre of the signal strength signal intensity of frequency is provided with a FM emission frequency), wherein, the information of described frequency includes the information such as frequency of the signal strength signal intensity of frequency, this frequency.After finding out the best FM emission frequency of effect, system is the FM frequency modulation transmission point with this frequency point setting automatically, carry out the signal emission of FM, simultaneously, the frequency point information display circuit shows the liquid crystal window of the information of the frequency modulation transmission point of FM by the frequency point information display circuit.Wherein, the information spinner of demonstration will comprise the frequency of this frequency.So that the user receives relevant information correctly, rapidly at receiving terminal.
See also shown in Figure 2ly, the FM frequency range is the command triggers of search automatically, and the broadcast singal that FM full frequency band frequency point scanning circuit begins to enter the FM full frequency band receives scanning; Simultaneously, the signal message of frequency respectively broadcasted in FM frequency point information comparison memory circuit record, as frequency frequency, signal strength signal intensity etc., and carries out information analysis, finds out only FM broadcast modulation emission frequency F0.Then, system F0 automatically is set to FM broadcast modulation emission frequency, simultaneously, shows the frequency of F0 by liquid crystal display screen.Wherein, the command triggers of the automatic search of described FM frequency range can trigger with panel button, also can use a teleswitch and carry out remote control trigger.
The present invention can allow the user when using the FM reflector of vehicle mounted MP 3 class, can fast, accurately find the FM frequency modulation emission frequency of each regional optimum efficiency, and then receives relevant FM frequency modulation information with the broadcast receiver of automobile.Make the user easily and fast, accurately the FM frequency-modulated transmitter is arranged on the frequency modulation emission frequency of a best results, make the effect of FM reflector reach best, reduce troublesome operation link wherein, strengthen the driving process safe, improved the effect that the FM emission receives.Certainly, be not limited only to the vehicle mounted MP 3 reflector, also can be applicable to other FM emitters.
Most preferred embodiment described above only is that the present invention is set forth and illustrates, but is not limited to disclosed any concrete form, and it is possible carrying out many modifications and variations.
Claims (6)
1. adaptive vehicle FM transmitting device is characterized in that: include the FM full frequency band frequency point scanning circuit that the FM full frequency band frequency point is scanned, the FM frequency point information that is connected with FM full frequency band frequency point scanning circuit relatively memory circuit, with the FM frequency point information FM radiating circuit that is connected of memory circuit and be connected to show that FM launches the frequency point information display circuit of frequency modulation transmission point information relatively with the FM radiating circuit.
2. adaptive vehicle FM transmitting device as claimed in claim 1, it is characterized in that: described FM frequency point information relatively memory circuit is connected with FM full frequency band frequency point scanning circuit, receive the frequency point information of FM full frequency band frequency point scanning circuit scanning, and the information of each frequency preserved, compare screening by information then, find out the best FM emission frequency of effect each frequency.
3. adaptive vehicle FM transmitting device as claimed in claim 2 is characterized in that: the information of described frequency includes the frequency information of the signal strength signal intensity of frequency, this frequency.
4. adaptive vehicle FM transmitting device as claimed in claim 3, it is characterized in that: described frequency point information display circuit shows the liquid crystal window of the information of the frequency modulation transmission point of FM by the frequency point information display circuit, wherein, the information spinner of described demonstration will comprise the frequency of this frequency.
5. the implementation method of a self adaptation vehicle FM transmitting device is characterized in that, comprises the steps:
The user presses the scanning trigger switch, and then system enters the state of FM full frequency band frequency point automatic scan, and FM full frequency band frequency point scanning circuit scans the FM full frequency band frequency point;
FM frequency point information relatively memory circuit receives the frequency point information that FM full frequency band frequency point scanning circuit scans, and the information of each frequency is preserved, and compares screening by the information to each frequency then, finds out the best FM emission frequency of effect;
Automatically that the effect of finding out is the best FM emission frequency point setting of system is the FM frequency modulation transmission point, carries out the signal emission of FM, and simultaneously, the frequency point information display circuit shows the liquid crystal window of the information of the frequency modulation transmission point of FM by the frequency point information display circuit.
6. the implementation method of self adaptation vehicle FM transmitting device as claimed in claim 5 is characterized in that: described scanning trigger switch can use command triggers, panel button to trigger, and also can use a teleswitch and carry out remote control trigger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CNA2009101069840A CN101567702A (en) | 2009-05-15 | 2009-05-15 | Self-adaptive vehicle FM transmitting device and implementation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2009101069840A CN101567702A (en) | 2009-05-15 | 2009-05-15 | Self-adaptive vehicle FM transmitting device and implementation method thereof |
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| CNA2009101069840A Pending CN101567702A (en) | 2009-05-15 | 2009-05-15 | Self-adaptive vehicle FM transmitting device and implementation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115242330A (en) * | 2022-07-20 | 2022-10-25 | 昆腾微电子股份有限公司 | Connection method and device of ultrahigh frequency wireless sound box, wireless sound box and medium |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101150325A (en) * | 2006-09-19 | 2008-03-26 | 深圳市朗科科技有限公司 | Method for automatically searching best frequency modulation transmission frequency point |
| CN201207641Y (en) * | 2008-04-01 | 2009-03-11 | 捷顶微电子（上海）有限公司 | Automatically channel selecting frequency modulating transmitting system and wireless transmission system |
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2009
- 2009-05-15 CN CNA2009101069840A patent/CN101567702A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101150325A (en) * | 2006-09-19 | 2008-03-26 | 深圳市朗科科技有限公司 | Method for automatically searching best frequency modulation transmission frequency point |
| CN201207641Y (en) * | 2008-04-01 | 2009-03-11 | 捷顶微电子（上海）有限公司 | Automatically channel selecting frequency modulating transmitting system and wireless transmission system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115242330A (en) * | 2022-07-20 | 2022-10-25 | 昆腾微电子股份有限公司 | Connection method and device of ultrahigh frequency wireless sound box, wireless sound box and medium |
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Application publication date: 20091028 |