CN100459285C - Information treater - Google Patents
Information treater Download PDFInfo
- Publication number
- CN100459285C CN100459285C CNB2004100769443A CN200410076944A CN100459285C CN 100459285 C CN100459285 C CN 100459285C CN B2004100769443 A CNB2004100769443 A CN B2004100769443A CN 200410076944 A CN200410076944 A CN 200410076944A CN 100459285 C CN100459285 C CN 100459285C
- Authority
- CN
- China
- Prior art keywords
- information processor
- radio communication
- antenna
- vehicle
- electric wave
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/526—Electromagnetic shields
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/32—Adaptation for use in or on road or rail vehicles
- H01Q1/3208—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/10—Resonant slot antennas
Abstract
To provide an information processor capable of efficiently transmitting and receiving radio waves without providing an unnecessary hole as much as possible by taking a countermeasure for EMC into account when incorporating a short range radiocommunication means such as Bluetooth into the information processor covered with a metallic case body. This on-vehicle information processor 100 is provided with a radio transmission part 110 performing radiocommunication with the outside, an antenna 202 for radiocommunication transmitting and receiving radio waves for radiocommunication, and an opening part of a slot 201 for a memory card for mounting and dismounting the detachable memory card 203. Size in the longitudinal direction of the opening part is equivalent to 1/2 wavelength being component wavelength of radiocommunication frequency, and the antenna 202 for radiocommunication is arranged along the longitudinal direction in the vicinity of an inner side of the opening part.
Description
Invention field
The present invention relates to belong to the technical field of information processor, particularly possess radio communication in the information processor of radio communication function with the method to set up of antenna.
Background technology
In recent years, information processor is along with the raising of its disposal ability increases various expanded functions in the past the basic function, as one of them, additional and the outside radio communication function that carries out information communication in vogue especially, built-inization of the wireless near field communication function of research bluetooth (Buletooth, registered trade mark) etc. is being discussed.
Yet, along with the multifunction of information processor itself, the progress of multifunction,, guarantee the excellent communications performance in order to do one's utmost to suppress influence to the disturbing wave of additional radio communication function, EMC (Electro Magnetic Compatibility) countermeasure becomes important.That is to say,, be necessary to take into full account the EMC countermeasure and design about the radio communication function of information processor number is gone into.
In this background, vehicle-borne information processor for vehicle navigation device that loads in the special vehicle in the information processor or automobile-used audio devices etc. as moving body, the scheme of various interior dress radio communication functions has been proposed, especially for the method to set up of the wireless near field communication function of bluetooth etc. or utilize method, various technology have been disclosed.
For example, for provide in the vehicles such as automobile or other outer various electronic equipments of the vehicles method that can more effectively receive and dispatch the used for vehicle information processor of electric wave disclosed (patent documentation 1) already.That is, the in-vehicle information processing unit body of bluetooth enable is installed on the instrument board in vehicle, on the ceiling in vehicle the bluetooth antenna is set simultaneously, interconnect intrinsic bluetooth module and antenna with coaxial cable.In-vehicle information processing unit body possesses the function of vehicle navigation device and automobile-used audio devices, by Bluetooth function be positioned at vehicle for example exchange various information with the various electronic equipments of the portable telephone of Bluetooth function, portable audio player, pocket pc etc.
[Patent Document 1] spy opens the 2001-239894 communique
As to as described above before the example, the suitable position that is provided with when finding antenna with small-sized, the cheap near field communication device of bluetooth etc. to be arranged at the vehicles such as automobile, can and inside and outside other the various electronic equipments of the vehicles between receive and dispatch electric wave effectively method, proposed scheme on the panel of ceiling or vehicle-borne information processor is located in the position of antenna.
But, in automobile, lay high frequency and use the thing of cable and antenna to have the problem of taking cost.
And on being loaded on panel the time, problem is to be only limited to the device that is equipped with panel, realizes it being difficult on the device of no panel.
At these problems, consideration is built in antenna among the vehicle-borne information processor, but when considering the EMC countermeasure, when being built in the vehicle-borne information processor that is coated by metal shell, has the such problem of utilization ratio deterioration of electric wave.
The present invention does for solving problem as described above, its purpose is to be provided under the situation of near field communication device of embedded with bluetooth in the information processor that coats with metal shell etc., consider the EMC countermeasure, the information processor of electric wave can be more effectively received and dispatched in the hole of try one's best not open and not wanting.
In addition, by proposing to effectively utilize the antenna configurations of loading and unloading the socket openings portion that medium removably use, its purpose is to provide the unnecessary laying of not carrying out antenna cable and suppresses cost, suppresses the deterioration of electric wave, make may more effective electric wave transmitting-receiving information processor.
Summary of the invention
Information processor of the present invention, possess: carry out the radio communication device of radio communication with the outside, receive and dispatch the radio communication antenna of the electric wave that this radio communication uses, load and unload the socket openings portion that medium are removably used, it is characterized in that, make the lengthwise dimension of described socket openings portion be equivalent to 1/2nd wavelength of wireless communication frequency, nearby dispose the radio communication antenna along its length in the inboard of socket openings portion.
The effect of invention
According to information processor of the present invention, then because, the radio communication that possesses with the extraneous radio communication device that carries out radio communication, receives and dispatches the electric wave that this radio communication uses with antenna, load and unload in the information processor of the socket openings portion that medium removably use, the lengthwise dimension of socket openings portion is equivalent to 1/2nd wavelength of wireless communication frequency, inboard in socket openings portion nearby disposes the radio communication antenna along its length, therefore have the efficient that to improve the electric wave transmitting-receiving, obtain the effect of good wireless communication performance.
Description of drawings
Fig. 1 illustrates the block diagram that the function of the vehicle-borne information processor of the invention process form 1 constitutes.
Fig. 2 illustrates the structural map of card plug portion periphery of the vehicle-borne information processor of the invention process form 1.
Fig. 3 illustrates the dimensional drawing of card plug portion periphery of the vehicle-borne information processor of the invention process form 1.
Side fixed system figure during the storage card that Fig. 4 illustrates the vehicle-borne information processor of the invention process form 1 is measured with the electric wave transmission level under the situation of socket being and not being.
Fig. 5 illustrates the storage card of vehicle-borne information processor of the invention process form 1 with an example of the measurement result of the electric wave transmission level under the situation of socket being and not being.
The storage card that Fig. 6 illustrates the vehicle-borne information processor of the invention process form 2 inserts the state diagram of storage card with socket.
Fig. 7 illustrates the concrete illustration that the storage card that loads the invention process form 3 is used the vehicle-borne information processor of socket.
The electric wave that Fig. 8 illustrates the vehicle-borne information processor in the invention process form 3 sends the mensuration system diagram of bram pattern in measuring.
The electric wave that Fig. 9 illustrates the vehicle-borne information processor in the invention process form 3 sends an example of the measurement result of bram pattern.
Embodiment
Below the optimal morphology that the present invention uses is implemented in explanation.
Example 1
Fig. 1 illustrates the block diagram that the function of the vehicle-borne information processor of the invention process form 1 constitutes.As the concrete example of information processor, the example that the function as the vehicle-borne information processor 100 of the guider that vehicle loaded of moving body etc. constitutes is shown here.
These vehicle-borne information processor 100 its formations possess: the display control unit 101 that carries out the demonstration control of various information, carry out the operational part 102 of various calculation process, store the storage part 103 of various control programs and various data, obtain vehicle IF (interface) portion 104 of the various signals of vehicles of vehicle speed signal etc., utilize GPS (global positioning system) to obtain the GPS portion 105 of vehicle present position information, receive the gps antenna portion 106 of gps satellite signal, the huge storage capacity recording medium and the exterior storage portion 107 that carries out the read-write of information of record road-map-data etc., control and the conduct removably information storage medium of the various information of media store are the storage card controller 108 of the information input and output of storage card, card plug portion 109 with socket openings portion of using of loading and unloading storage card, the radio section 110 of the radio communication device that carries out radio communication as the bluetooth and the peripheral equipment that utilize as the wireless near field communication function, radio communication with electric wave of transmitting/receiving wireless communication usefulness is used the antenna part 111 of antenna, carries out the exchange of information by internal bus 112 separately.
Fig. 2 illustrates the structural map of card plug portion 109 peripheries of vehicle-borne information processor 100.By metal housing is that metal-back 200, storage card constitute with big line 202 etc. with socket 201, radio communication, and storage card is with the storage card 203 that inserts PCMCIA (personal computer memory card international association) standard in the socket 201.
Fig. 3 illustrates the size of card plug portion 109 peripheries.When being assumed to PC (PC) card as storage card 203, as shown in Figure 3, then storage card is about 6cm with the socket size 204 of the length direction of the peristome of socket 201.Wireless communication frequency band in the bluetooth is 2.4GHz, is that 1/2 wavelength is about 6cm as its 1/2nd wavelength, and is roughly consistent with socket size 204.
Therefore, near radio communication is configured in the inboard of storage card with the peristome of socket 201 with antenna 202 along the slot length direction, can make socket size 204 is 1/2 wave resonance as 1/2nd wavelength of wireless communication frequency, may one side radio communication be built in vehicle-borne information processor 100 inside with antenna 202, one side is improved the efficient of electric wave transmitting-receiving.
The result of electric wave transmission level comparison is carried out in below explanation and use storage card shown in Figure 2 to have metal-back 200 and storage card not have metal-back with the peristome of socket 201 with the peristome of socket 201.At this moment mensuration system is shown in Fig. 4, and its measurement result one is illustrated in Fig. 5.
As shown in Figure 4, as the mensuration system, the front end that is connected to the input adapter 401 of the frequency spectrum analyser 400 of measuring the electric wave transmission level with antenna 402 will be measured, vehicle-borne information processor 100 is set makes the storage card that the disposes radio communication usefulness antenna 202 position relative determination antenna 402 of socket 201, make to measure and separate for example 30cm with the distance of vehicle-borne information processor 100, measure with antenna 402.Then, use antenna 202 to send electric waves 403, measure the electric wave transmission level that receives by frequency spectrum analyser 400 from the radio communication of vehicle-borne information processor 100.
Below, Fig. 5 illustrates one of the mensuration system measurement result of Fig. 4 example, and it is the data of expression according to the electric wave transmission level difference that has or not mensuration of the peristome of 1/2 wavelength dimension.When storage card is relatively arranged with the measurement data 502 of the determination data 501 of the peristome of socket 201 and the peristome of no storage card usefulness socket 201 as seen, having or not of peristome causes that the electric wave transmission level has the difference near about 30dB, and the electric wave transmission level far came highly when peristome was arranged.Can confirm thus to utilize under the situation of storage card with the peristome of socket 201 of 1/2 wavelength dimension, effect is big.
As mentioned above, according to example 1, then owing to possessing and the outside radio section 110 that carries out radio communication, receive and dispatch the radio communication antenna 202 of its radio communication with electric wave, load and unload in the vehicle-borne information processor 100 of storage card with the peristome of socket 201 of storage card 203 usefulness removably, make i.e. 1/2 wavelength of 1/2nd wavelength that the socket size 204 of the length direction of peristome is equivalent to wireless communication frequency, radio communication is disposed at along its length with antenna 202 near the inboard of peristome, so can improve the efficient of electric wave transmitting-receiving, obtain the good wireless communication performance.
Again, according to example 1, then owing to make radio section 110 corresponding to bluetooth, thus in the vehicle-borne information processor 100 of the radio communication function of embedded with bluetooth correspondence acquisition good wireless communication performance.
Again, according to example 1, then owing to utilize the such card type information storage medium of storage card 203 as medium removably, so in the vehicle-borne information processor 100 of radio communication function, can obtain the good wireless communication performance with the information storage medium that loads and unloads the card type.
Again, according to example 1, then because vehicle-borne information processor 100 is set on-vehicle navigation apparatus, so in the on-vehicle navigation apparatus of built-in radio communication function, can obtain the good wireless communication performance.
Example 2
Fig. 6 illustrates storage card 203 and is inserted into the state diagram of storage card with socket 201.When storage card 203 was inserted storage card with socket 201, storage card was filled in socket 201, so the electric wave that radio communication produces with antenna 202 is received and dispatched also deterioration of level.
In order to improve this point, as shown in Figure 6, set to such an extent that than the thickness of storage card 203 wideer go out one setting more than with the size of a particularly wide direction of the peristome of socket 201 storage card, it is that the electric wave of 2.4GHz has the resin-case 205 that the material of the transmissivity more than the setting constitutes and constitutes that peristome housing is nearby used with respect to the wireless communication frequency band of utilizing bluetooth.So,, also can improve the efficient of electric wave transmitting-receiving, obtain the good wireless communication performance even pack storage card into under the state of socket 201 at storage card 203.
As mentioned above, according to example 2, then radio communication has the transmissivity more than the setting with respect to the electric wave of wireless communication frequency with the peristome housing utilization nearby of socket 201 with the storage card of antenna 202 material formation is set owing to making, even when event is built in housing in antenna radio communication, also can obtain the good wireless communication performance.
Again, according to example 2, then the radio communication size of the storage card of antenna 202 with the Width of the peristome of socket 201 is set owing to making, go out one more than the setting, than the thick portion of storage card 203 is wideer so even also can obtain the good wireless communication performance under the situation of the storage card 203 of packing into.
Example 3
Fig. 7 illustrates and loads the concrete illustration of storage card with the vehicle-borne information processor 100 of socket 201, expression open display message the outward appearance of state of display monitor central monitoring system portion 206.The storage card of PC card correspondence be it seems from the front with socket 201 and is disposed at upper left quarter, at the radio communication antenna 202 of inner embedded with bluetooth correspondence.
Use vehicle-borne information processor 100 shown in Figure 7, the mensuration system when measuring electric wave transmission directive property is shown in Fig. 8, and one of its measurement result is illustrated in Fig. 9.
As shown in Figure 8, in anechoic chamber 800, implement to measure.The electric wave absorbing materials 801 that absorbs usefulness such as radio wave attenuation is set in the anechoic chamber 800.Be used for explanation among Fig. 8 and done configuration sparsely, but be deposited full all sidedly in practice.Be made of following each several part: electric wave is measured with antenna 802, rotate the rotating platform 803 that determinand is used, the rotating platform control device 804 of control rotating platform, measure the frequency spectrum analyser 805 that the electric wave level is used, the frequency spectrum analyser control device 806 of control frequency spectrum analyser 805 usefulness, the amplifier 807 of the electric wave level of correcting determination, determinand are vehicle-borne information processor 100, and the control device 808 of control vehicle-borne information processor 100 usefulness.
Utilize one of measurement result that the mensuration system of Fig. 8 records to be illustrated in Fig. 9.The bram pattern determination data that radio communication under display monitor central monitoring system portion 206 closed conditions of the vehicle-borne information processor 100 that the next leisure of the expression of 901 among Fig. 9 is shown in Figure 7 uses the electric wave of antenna 202 to send.Like this, even close the state of display monitor central monitoring system portion 206,, also can confirm radiation electric wave well by near the inboard of storage card, disposing the radio communication antenna 202 of bluetooth correspondence along its length with the peristome of socket 201.
Like this,, do not open unnecessary hole, utilize the peristome of storage card necessary on the function, might carry out the transmitting-receiving of electric wave more efficiently with socket 201 by metal-back 200 to utilizing the EMC countermeasure to use.
Again, in vehicle-borne information processor 100, during the built-in wireless near field communication function of utilizing bluetooth, if utilize the PC card with socket as storage card with socket 201, then can improve the efficient with the outside electric wave transmitting-receiving of device, obtain the good wireless communication performance.
Need in the compartment, not lay high frequency cable, radio communication antenna 202, trouble and the expense that might cut down distribution are set again.
In addition, in the above-mentioned example, the example of the situation of bluetooth correspondence is shown, but also can utilizes the situation of other radio communication, even also can obtain same effect in this case as radio section 110.
Again, in the example, show the example that the information storage medium that utilizes the card type is storage card 203 situations as medium removably, but be not limited thereto, also can be to utilize CF (compact flash) card, smart media (registered trade mark), SD storage card (registered trade mark), memory stick (registered trade mark), IC (integrated circuit) storage card, the magnetic storage card of the band magnetic stripe of ID card etc., other storage cards such as optical memory card, or the information storage medium of disc shaped is CD-ROM (a small-sized read-only disk memory), CD-R (recordable), CD-RW (rewritable), DVD-ROM (Digital video disc read-only memory), DVD ± R, DVD ± RW, DVD-RAM (arbitrary access container), MD (mini disk, registered trade mark) etc. CD, or floppy disk, disks such as hard disk, or the cassette tape of tape etc., or other various information mediums, even also can obtain identical effect in this case.
Again, in this example, show mainly the example under the situation that the vehicle-borne information processor 100 to vehicle-mounted guider etc. is suitable for, but also be applicable to portable phone, PHS, PDA portable information terminal equipments such as (personal digital assistants) that the user carries, or other mobile body-mounted navigation system of bus, train, boats and ships, aircraft etc., or other mobile unit information systems.In addition, be not limited to be loaded into the equipment of moving body, also can be applicable to the information processor that office, family etc. fixedly install,, much less also can obtain same effect even in this case.
Claims (6)
1. information processor possesses: the radio communication of the electric wave of transmitting/receiving wireless communication usefulness is characterized in that with antenna, carry out the radio communication device of radio communication with antenna and load and unload the socket openings portion that medium are removably used by described radio communication,
Make the size of the length direction of described socket openings portion be equivalent to 1/2nd wavelength of the frequency of described radio communication, nearby dispose described radio communication antenna along its length in the inboard of described socket openings portion.
2. information processor as claimed in claim 1 is characterized in that, described socket openings portion housing is nearby used the material formation that has the transmissivity more than the setting with respect to the electric wave of wireless communication frequency.
3. information processor as claimed in claim 1 is characterized in that, more than the wide setting of thickness of the size of the Width of described socket openings portion than medium removably.
4. information processor as claimed in claim 1 is characterized in that, radio communication device is the radio communication device of bluetooth correspondence.
5. information processor as claimed in claim 1 is characterized in that, removably medium are information storage mediums of card type or disc shaped.
6. information processor as claimed in claim 1 is characterized in that, information processor is the moving body guider.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003311748 | 2003-09-03 | ||
| JP2003311748A JP2005075301A (en) | 2003-09-03 | 2003-09-03 | Information processor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1591970A CN1591970A (en) | 2005-03-09 |
| CN100459285C true CN100459285C (en) | 2009-02-04 |
Family
ID=34413228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100769443A Expired - Fee Related CN100459285C (en) | 2003-09-03 | 2004-09-03 | Information treater |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2005075301A (en) |
| CN (1) | CN100459285C (en) |
| DE (1) | DE102004042577A1 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4747628B2 (en) * | 2005-03-28 | 2011-08-17 | 日産自動車株式会社 | Automotive antenna |
| JP4669460B2 (en) | 2006-09-28 | 2011-04-13 | 富士通株式会社 | Electronic equipment and sheet metal parts |
| JP5691621B2 (en) | 2010-03-12 | 2015-04-01 | 株式会社Ｊｖｃケンウッド | Electronic device and antenna arrangement structure |
| CN102956958B (en) * | 2011-08-19 | 2015-12-16 | 苏州卡泰克电子科技有限公司 | A kind of have car antenna that is wireless, cable video writing function |
| JP6221553B2 (en) * | 2013-09-20 | 2017-11-01 | 株式会社デンソー | In-vehicle terminal installation structure |
| US20170033445A1 (en) * | 2014-04-30 | 2017-02-02 | Sharp Kabushiki Kaisha | Terminal device |
| JP6208088B2 (en) * | 2014-07-29 | 2017-10-04 | 日立オートモティブシステムズ株式会社 | Electronic control device and electronic control device mounting structure |
| DE102014118391A1 (en) * | 2014-12-11 | 2016-06-16 | Endress + Hauser Gmbh + Co. Kg | Device for transmitting signals from a metal housing |
| CN105120413B (en) * | 2015-08-04 | 2017-12-05 | 安徽江淮汽车集团股份有限公司 | The test system and method for testing of automotive entertainment system electromagnetic compatibility immunity performance |
| JP6548122B2 (en) * | 2015-11-16 | 2019-07-24 | パナソニックＩｐマネジメント株式会社 | lighting equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1294370A (en) * | 1999-10-25 | 2001-05-09 | 黄德祥 | Antitheft mechanism for electronic device with card slots |
| CN1301413A (en) * | 1998-05-20 | 2001-06-27 | 北方电讯(马特拉)蜂窝电话有限公司 | Radio communication base station antenna |
| JP2002187489A (en) * | 2000-12-19 | 2002-07-02 | Toyota Motor Corp | Onboard antenna |
-
2003
- 2003-09-03 JP JP2003311748A patent/JP2005075301A/en active Pending
-
2004
- 2004-09-02 DE DE200410042577 patent/DE102004042577A1/en not_active Ceased
- 2004-09-03 CN CNB2004100769443A patent/CN100459285C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1301413A (en) * | 1998-05-20 | 2001-06-27 | 北方电讯(马特拉)蜂窝电话有限公司 | Radio communication base station antenna |
| CN1294370A (en) * | 1999-10-25 | 2001-05-09 | 黄德祥 | Antitheft mechanism for electronic device with card slots |
| JP2002187489A (en) * | 2000-12-19 | 2002-07-02 | Toyota Motor Corp | Onboard antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005075301A (en) | 2005-03-24 |
| DE102004042577A1 (en) | 2005-06-16 |
| CN1591970A (en) | 2005-03-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100459285C (en) | Information treater | |
| CN101304109B (en) | Electronic apparatus with antenna | |
| US9551788B2 (en) | Fleet pan to provide measurement and location of a stored transport item while maximizing space in an interior cavity of a trailer | |
| AU2004203655B2 (en) | Computer system with configurable docking station | |
| EP1467180B1 (en) | Onboard apparatus, navigation system, and method for setting display screen | |
| CN2922154Y (en) | Vehicular antenna | |
| WO2007041091A1 (en) | Flight data recorder wireless interface | |
| US20090082918A1 (en) | Motions Dynamics Recorder | |
| US6711496B2 (en) | System and method of monitoring cargo container mobility and efficiency | |
| JP2008175607A (en) | Method and system for weighing vehicle | |
| FR2844078A1 (en) | COMMUNICATION METHOD BY ANTENNA FOR CHIP CARD AND APPARATUS THEREOF | |
| US20130136196A1 (en) | Wireless Communication Apparatus and Method | |
| CN108417988A (en) | Antenna switching method, antenna module, electronic equipment and storage medium | |
| US6662104B2 (en) | Navigation device | |
| CN103986483B (en) | A kind of system and method for eliminating mobile phone FM vacation platforms | |
| CN104184882A (en) | Method and device for setting PA blanking working mode | |
| CN112448145A (en) | Electronic device | |
| CN105929412A (en) | GNSS (Global Navigation Satellite System) antenna system of mobile terminal, mobile terminal and electronic equipment | |
| CN102054352A (en) | Vehicle monitoring system based on automatic identification technology | |
| CN214481283U (en) | NB signal tester | |
| CN107798884A (en) | A kind of wireless vehicle detecting sensor equipment of band RFID functions | |
| JP2008104134A (en) | Mobile phone | |
| CN108235292A (en) | Extend mobile terminal continuation of the journey method, apparatus, equipment and readable storage medium storing program for executing | |
| CN217823235U (en) | Vehicle-mounted antenna and vehicle | |
| CN213240484U (en) | UWB-based positioning system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090204 Termination date: 20110903 |