CN102855674A - Traceable car key - Google Patents
Traceable car key Download PDFInfo
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- CN102855674A CN102855674A CN2012102920146A CN201210292014A CN102855674A CN 102855674 A CN102855674 A CN 102855674A CN 2012102920146 A CN2012102920146 A CN 2012102920146A CN 201210292014 A CN201210292014 A CN 201210292014A CN 102855674 A CN102855674 A CN 102855674A
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- automobile key
- traceable
- feedback signal
- mobile phone
- tracking
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Abstract
The invention provides a traceable car key and belongs to the field of electronic communication. The traceable car key comprises a modulator and an emitter. The modulator produces preset radio frequency by modulation and the preset radio frequency is transmitted by the emitter. An input end of the modulator is simultaneously coupled to a manual trigger switch and an automatic trigger. An input end of the automatic trigger is coupled to a receiver. The receiver transmits a received signal to the automatic trigger. Positions of the traceable car key can be tracked by a mobile phone. The traceable car key has a simple structure.
Description
Technical field
The present invention relates to electronic communication field, particularly, relate to a kind of automobile key with communication function.
Background technology
Along with the surge of automobile quantity, automobile key has become the carry-on articles in people's daily life gradually.And with the quickening pace of modern life, people are for the memory of trival matters also variation gradually; In busy work and life process, often can not note the placement part of automobile key, when needs are driven, often can seek for a long time and just can find automobile key, this will cause very large inconvenience to the people, troublesome not only, and lose time in a large number.
Under the circumstances, can according to the method for searching mobile phone in the daily life, to the automobile key transmitted signal, and it be piped, thereby it is found.Yet the volume of automobile key is very limited, and for hummer, and the too small hummer volume of volume is very little, when automobile key is placed in the clothing heap, if also there is the component environment noise, can't hear the sound of hummer at all; For the larger hummer of volume, then can't arranged rational in the small size automobile key.Therefore, for a kind of traceable automobile key of invention, be extremely to have practical significance at present.
Summary of the invention
For the problems referred to above, the object of the present invention is to provide a kind of traceable automobile key, this automobile key can adopt its position of mobile phone tracking, and simple in structure.
The technical solution adopted for the present invention to solve the technical problems is: this traceable automobile key comprises: modulator, transmitter; Described modulators modulate is transferred to described transmitter emission after going out predetermined radio frequency; The input end of described modulator is coupled with a manual trigger switch and an automatic trigger simultaneously; The input end of described trigger and a receiver coupling; Described receiver passes to described trigger with the signal that receives.
The present invention also aims to provide a kind of described traceable automobile key is communicated the method for tracking, the technical scheme that the method adopts is: adopt the cell phone software method, carry out following steps:
One, sends trace signals; Begin simultaneously timing;
Two, wait for feedback signal; Namely wait for the feedback signal that the transmitter of described automobile key sends;
Three, receiving feedback signals; Finish simultaneously timing;
Four, calculate the feedback signal spacing from; Finish the time of getting of counting according to beginning timing to timing, and radio wave transmissions speed, i.e. the light velocity calculates the feedback signal spacing from, the i.e. distance of automobile key;
Five, show the feedback signal source location information; The positional information that shows the feedback signal source at mobile phone screen.
Beneficial effect of the present invention is: when this traceable automobile key is lost within the specific limits, that is the user forgets the local time of its placement, by common smart mobile phone, behind the software that installation moves according to the step of above-mentioned communication method for tracing, can obtain easily the positional information of automobile key; The positional information of this moment only represents the distance of automobile key, in the process of cell phone, continuously automobile key is sent trace signals by mobile phone, can move closer to automobile key, and it is found.
Description of drawings
Fig. 1 is the structural representation of traceable automobile key provided by the invention.
Fig. 2 is embodiment one synoptic diagram of the method for tracing of traceable automobile key shown in Figure 1.
Fig. 3 is embodiment two synoptic diagram of the method for tracing of traceable automobile key shown in Figure 1.
Embodiment
The present invention is further described below in conjunction with drawings and Examples:
The electrical structure of traceable automobile key provided by the invention as shown in Figure 1, it comprises: modulator 2, transmitter 3; Described modulator 2 is transferred to described transmitter 3 emissions after modulating predetermined radio frequency; The input end of described modulator 2 is coupled with a manual trigger switch 1 and an automatic trigger 4 simultaneously; Described trigger switch 1 has about three usually, correspond respectively to automobile open the door, lock a door, the operation such as boot unlatching; When modulator 2 receives the order of trigger switch 1 transmission, with the frequency that modulates corresponding to orders such as opening the door, lock a door, and transfer to transmitter 3 transmissions.
The input end of described trigger 4 and receiver 5 couplings; After described receiver 5 passes to described trigger 4 with the signal that receives, the described modulator 2 of trigger 4 controls modulates a characteristic frequency, and transfer to transmitter 3 and send, other conventional frequency signal coherence that described characteristic frequency only needs not to receive with mobile phone is disturbed and is got final product, as, the frequency of the radio broadcasting platform that mobile phone can receive is approximately 85MHz ~ 108MHz, and then described characteristic frequency is modulated to 80MHz and gets final product.
For the method for tracing of traceable automobile key shown in Figure 1, can be achieved by the software approach that runs on the common smart mobile phone, the embodiment one of this software approach comprises the steps:
Send trace signals S110: the trace signals that the receive frequency of the receiver 5 of transmission and described automobile key is complementary; Simultaneously, beginning timing S120;
Wait for feedback signal S130: software systems are waited for the feedback signal that the transmitter 3 of described automobile key sends;
Receiving feedback signals S140: receive the feedback signal that the transmitter 3 by automobile key sends by the mobile phone dual-mode antenna; Simultaneously, finish timing S150;
Calculate the feedback signal spacing from S160: finish the time of getting of counting according to beginning timing to timing, and radio wave transmissions speed, i.e. the light velocity calculates the feedback signal spacing from, the i.e. distance of automobile key; If automobile key is L apart from the distance of mobile phone, timing is t, and the light velocity is c, then L=ct/2.
Show feedback signal source location information S170: the positional information that shows the feedback signal source at mobile phone screen; Its display mode can comprise following two kinds: one, only range of a signal data on screen; Its two, show one take mobile phone location as the center of circle at screen, the distance L of automobile key is the circle of radius, shows simultaneously this radius of a circle.
For the method for tracing of traceable automobile key shown in Figure 1, embodiment two is with the difference of embodiment one shown in Figure 2: before step S110, also increase a step: generate timing pip S100 as shown in Figure 3; After increasing step S100, the user wants the subsequent step of repeating step S110 and step S110 in moving process, when locking gradually the automobile key position, need not continuously manual operation software, and by software every a definite time interval, excite step S110 one time, this has simplified the software operation process greatly.
In addition, in order to improve measuring accuracy, after step S110 is excited at every turn, step S110 is to the step between the step S160 (comprising step step S110 and step S160) Automatic continuous circulation 10 ~ 1000 times, as, 100 times capable of circulation, in step S160, export the mean value of 10 ~ 1000 result of calculations at last.
When traceable automobile key provided by the invention is lost within the specific limits, that is the user forgets the local time of its placement, by common smart mobile phone, the software that moves according to the step of above-mentioned method for tracing is installed after, can obtain easily the positional information of automobile key.Particularly, make mobile phone send trace signals to automobile key continuously by software, mobile human body (mobile phone) position is moved human body all the time apart from the direction that reduces towards the automobile key of screen display simultaneously, can be gradually near automobile key, and it finds the most at last.
It is worthy of note at last, for present common smart mobile phone, the function that all has signal transmitting and receiving, modulation, frequency-selecting, therefore, can be competent at above-mentioned method for tracing fully, those skilled in that art only need according to the step making software in the above-mentioned method for tracing, can realize following the trail of to automobile key; For the particular content of software, not the object of patent protection on the one hand, belong on the other hand software engineer's common-sense technology contents, repeat no more herein.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a traceable automobile key comprises: modulator, transmitter; It is characterized in that: described modulators modulate is transferred to described transmitter emission after going out predetermined radio frequency; The input end of described modulator is coupled with a manual trigger switch and an automatic trigger simultaneously; The input end of described trigger and a receiver coupling; Described receiver passes to described trigger with the signal that receives.
2. one kind communicates the method for tracking to traceable automobile key claimed in claim 1, and it is characterized in that: the method adopts the cell phone software mode to carry out following steps:
Send trace signals (S110): the trace signals that the receive frequency of the receiver (5) of transmission and described automobile key is complementary; Simultaneously, beginning timing (S120);
Wait for feedback signal (S130): software systems are waited for the feedback signal that the transmitter (3) of described automobile key sends;
Receiving feedback signals (S140): receive the feedback signal that the transmitter (3) by automobile key sends by the mobile phone dual-mode antenna; Simultaneously, finish timing (S150);
Calculate the feedback signal spacing from (S160): finish the time of getting of counting according to beginning timing to timing, and radio wave transmissions speed, calculate the distance in feedback signal source;
Show feedback signal source location information (S170): the positional information that shows the feedback signal source at mobile phone screen.
3. traceable automobile key according to claim 2 communicates the method for tracking, it is characterized in that: in step (S170), show the range data in feedback signal source on the mobile phone screen.
4. traceable automobile key according to claim 2 communicates the method for tracking, it is characterized in that: show one on the mobile phone screen take mobile phone location as the center of circle, the distance in feedback signal source is the circle of radius, shows simultaneously this radius of a circle.
5. traceable automobile key according to claim 2 communicates the method for tracking, it is characterized in that: in step (S110) before, also have a step: generate timing pip (S100).
6. traceable automobile key according to claim 2 communicates the method for tracking, it is characterized in that: after step (S110) is excited at every turn, step (S110) is to the circulation of the step Automatic continuous between the step (S160) 10 ~ 10000 times, in step (S160), export the mean value of 10 ~ 10000 result of calculations at last.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102920146A CN102855674A (en) | 2012-08-16 | 2012-08-16 | Traceable car key |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102920146A CN102855674A (en) | 2012-08-16 | 2012-08-16 | Traceable car key |
Publications (1)
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|---|---|
| CN102855674A true CN102855674A (en) | 2013-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102920146A Pending CN102855674A (en) | 2012-08-16 | 2012-08-16 | Traceable car key |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103400433A (en) * | 2013-08-05 | 2013-11-20 | 苏州鼎富软件科技有限公司 | Long-distance unlocking method for automobiles |
Citations (6)
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|---|---|---|---|---|
| CN2184048Y (en) * | 1993-11-03 | 1994-11-30 | 刘�文 | Automatic alarm pen-like key |
| CN101064046A (en) * | 2002-09-26 | 2007-10-31 | 本田技研工业株式会社 | Vehicle electronic key system |
| CN101166318A (en) * | 2006-10-18 | 2008-04-23 | 明基电通股份有限公司 | Method for searching objects based on mobile communication equipment and related mobile communication device module |
| CN201788562U (en) * | 2010-04-22 | 2011-04-06 | 东莞怡信磁碟有限公司 | Burglar-proof and loss-proof mobile phone and pendants thereof |
| US20110140926A1 (en) * | 2008-01-31 | 2011-06-16 | Continental Teves Ag & Co., Ohg | Vehicle key |
| CN202171855U (en) * | 2011-08-25 | 2012-03-21 | 深圳市捷耀电子有限公司 | Improved anti-losing anti-theft alarm device |
-
2012
- 2012-08-16 CN CN2012102920146A patent/CN102855674A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2184048Y (en) * | 1993-11-03 | 1994-11-30 | 刘�文 | Automatic alarm pen-like key |
| CN101064046A (en) * | 2002-09-26 | 2007-10-31 | 本田技研工业株式会社 | Vehicle electronic key system |
| CN101166318A (en) * | 2006-10-18 | 2008-04-23 | 明基电通股份有限公司 | Method for searching objects based on mobile communication equipment and related mobile communication device module |
| US20110140926A1 (en) * | 2008-01-31 | 2011-06-16 | Continental Teves Ag & Co., Ohg | Vehicle key |
| CN201788562U (en) * | 2010-04-22 | 2011-04-06 | 东莞怡信磁碟有限公司 | Burglar-proof and loss-proof mobile phone and pendants thereof |
| CN202171855U (en) * | 2011-08-25 | 2012-03-21 | 深圳市捷耀电子有限公司 | Improved anti-losing anti-theft alarm device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103400433A (en) * | 2013-08-05 | 2013-11-20 | 苏州鼎富软件科技有限公司 | Long-distance unlocking method for automobiles |
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Application publication date: 20130102 |