CN203013926U - Antenna device - Google Patents
Antenna device Download PDFInfo
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- CN203013926U CN203013926U CN 201220356127 CN201220356127U CN203013926U CN 203013926 U CN203013926 U CN 203013926U CN 201220356127 CN201220356127 CN 201220356127 CN 201220356127 U CN201220356127 U CN 201220356127U CN 203013926 U CN203013926 U CN 203013926U
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- connection position
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Abstract
The utility model provides an antenna device which can improve the antenna gain of a glass antenna by realizing electric stability of the connection between a grounding part and a vehicle body. The antenna device comprises a window glass (12) and a glass antenna (300), wherein the window glass (12) is installed on a flange (51) of a vehicle body frame (50), the glass antenna (300) is provided with antenna conductors (1-4), passive conductors (5, 6), a power supply portion (16) and a grounding portion (17) arranged on the window glass (12), the grounding portion (17) comprises a grounding position (17A) containing an area not coincident with the flange (51) and a grounding position (17B) containing an area coincident with the flange (51) when observing from a normal direction of the window glass (12), and the grounding portion (17) is electrically connected with the flange (51) through a grounding component (31) arranged on the grounding position (17B).
Description
Technical field
The utility model relates to the antenna assembly with glass antenna.
Background technology
Known have a situation about being provided with as the glass antenna of antenna performance function on the glass pane of the window frame that is installed on vehicle.Fig. 1 is the vertical view of patent documentation 1 disclosed glass antenna.As shown in Figure 1, the glass antenna 100 that is arranged at glass pane 12 possesses: the antenna conductor that is made of antenna element 1～4; The power supply 16 that is connected with this antenna conductor; The passive conductor that is consisted of by passive component 5,6; The grounding parts 17 that is connected with this passive component.Power supply 16 is the positions that are electrically connected to signal processing circuit for antenna conductor, and grounding parts 17 is the positions that are electrically connected to the main body (vehicle body) of vehicle for passive conductor.
[formerly technical literature]
[patent documentation]
[patent documentation 1] is international to be disclosed No. 2010/119856
Record in patent documentation 1 elastic connection element is installed on grounding parts 17, and situation about grounding parts being connected with the vehicle body that forms window frame by elastic connection element.On the other hand, consider that the cable that utilize to transmit receives signal will receive the situation of signal amplification before producing the decay that receives signal, and the connector that will possess the signal processing circuit that amplifier etc. is installed directly is installed on glass antenna.This connector is installed the signal line side of amplifier is connected the mode that is connected respectively with grounding parts with power supply 16 with the ground connection side.When adopting this connector in the mode of patent documentation 1, at grounding parts 17, the part that is connected with connector and the part that is connected with elastic connection element are set, and as shown in Figure 1, interfere for fear of window frame and connector, and need to arrange with the partial coverage that is connected with elastic connection element of grounding parts 17, than the end 56 of window frame to inboard (upper and lower side in figure) the outstanding jut 56a of the face of glass pane 12.By elastic connection element is connected grounding parts 17 with this jut 56a contact with vehicle body.
Yet the situation that this jut 56a is set need to change the shape of window frame, need to design especially and there is no a versatility, and is therefore not preferred.And, when with being connected of jut 56a, grounding parts 17 being connected with body panels, the area of jut 56a is little, even if the therefore part of vehicle body, jut 56a as the function of ground plane also a little less than, possibly can't obtain fully the antenna gain of glass antenna.
The utility model content
Therefore, the utility model purpose is to provide a kind of and makes grounding parts and being connected of vehicle body electric stable and can improve the antenna assembly of the antenna gain of glass antenna.
To achieve these goals, the utility model relates to a kind of antenna assembly, has:
Glass pane is installed on the window frame of vehicle body;
Glass antenna, the grounding parts that possesses antenna conductor, the power supply that is connected with this antenna conductor, passive conductor, is connected with this passive conductor at described glass pane,
Described antenna assembly is characterised in that,
Described grounding parts comprises the first ground connection position and the second ground connection position, and when observing from the normal direction of described glass pane, described the first ground connection position comprises the zone that does not overlap with described window frame, and described the second ground connection position comprises the zone that overlaps with described window frame,
Described antenna assembly has the earthing component that described vehicle body is electrically connected to described the second ground connection position.
In antenna assembly described according to aforesaid way of the present utility model, described earthing component is arranged at described the second ground connection position, is to be inserted into the temporary fixation clamp that use as holding appliance so that described glass pane is temporarily fixed on described vehicle body in the hole that is formed at described window frame.
In antenna assembly described according to aforesaid way of the present utility model, described earthing component is the elastic component that is arranged at described the second ground connection position, when described glass pane is installed in described vehicle body, strain occurs and is connected with described vehicle body.
In antenna assembly described according to aforesaid way of the present utility model, described earthing component is the elastic component that is arranged at described the second opposed described window frame in ground connection position, when described glass pane is installed in described vehicle body, strain occurs and is connected with described the second ground connection position.
Of the present utility model the inner conductor of coaxial cable is electrically connected to described power supply according in the described antenna assembly of above-mentioned arbitrary mode, and the external conductor of this coaxial cable is electrically connected to described the first ground connection position.
In antenna assembly described according to aforesaid way of the present utility model, on described power supply and described the first ground connection position, connector is installed, this connector is used for the inner conductor of described coaxial cable is electrically connected to described power supply, and the external conductor of described coaxial cable is electrically connected to described the first ground connection position.
In antenna assembly described according to aforesaid way of the present utility model, the standby signal processing circuit that is electrically connected to described coaxial cable of described connection device.
[utility model effect]
According to the utility model, can make grounding parts and being connected of vehicle body electric stable, improve the antenna gain of glass antenna.
Description of drawings
Fig. 1 is the vertical view that possesses the glass antenna in the past 100 of grounding parts 17.
Fig. 2 is the vertical view of glass antenna 200 of the antenna assembly of the first execution mode of the present utility model.
Fig. 3 is the vertical view of glass antenna 300 of the antenna assembly of the second execution mode of the present utility model.
Fig. 4 means the cutaway view of an example of the structure that ground connection position 17B is electrically connected to vehicle body via earthing component 31A.
Fig. 5 means the cutaway view of an example of the structure that ground connection position 17B is electrically connected to vehicle body via earthing component 31B.
Fig. 6 is the stereogram of earthing component 31B.
Fig. 7 is the stereogram of electric power-feeding structure.
Fig. 8 is the measured data of the antenna gain of glass antenna 300.
[label declaration]
1～4,8 antenna elements
5,6 passive components
12 glass panes
13 bonding agents (filler)
16 power supplies
17 grounding parts
17A the first grounding parts
17B the second grounding parts
20 signal processing circuits
30 adhesive members
31,31A, 31B earthing component
32 coated films
33 elastic plates
34 connecting portions
35 metallic plates
40 coaxial cable side-connectors
41 antenna side connectors
42,43 metal-made leg section
44 coaxial cables
50 body shells
51 flanges
52 installing holes
56 vehicle body opening edges (end of window frame)
The 56a jut
100,200,300 glass antennas
Embodiment
Below, with reference to accompanying drawing, carry out be used to the explanation of implementing mode of the present utility model.Need to prove, at the accompanying drawing that is used for the explanation mode, in the situation that about not record especially of direction, refer to the direction on accompanying drawing, the direction of each accompanying drawing is corresponding to the direction of mark, numeral.And parallel, vertical etc. direction is the direction that departs from that allows not damage the degree of effect of the present utility model.And these accompanying drawings are the figure that observe in the car of the glass pane state that is installed on vehicle, come reference but also can be used as the outer figure that observes of car.For example, in the situation that glass pane is mounted in the front screen of the front portion of vehicle, the left and right directions in accompanying drawing is equivalent to the overall width direction.And, in the utility model, set power supply and grounding parts along the reference direction alignment arrangements, but reference direction can be according to the setting area of glass antenna and free setting, if be particularly for motor vehicle glass pane, preferably set into the direction parallel with the edge of glass pane, horizontal direction or vertical.In the mode of following explanation, the horizontal plane when window glass for vehicle is equipped on vehicle becomes reference direction.Need to prove, the utility model is not defined as front screen, also can be mounted in the rear portion of vehicle rear window, be arranged on the side window glass of the sidepiece of vehicle.
Fig. 2 is the vertical view of glass antenna 200 of the antenna assembly of the first execution mode of the present utility model.Fig. 3 is the vertical view of glass antenna 300 of the antenna assembly of the second execution mode of the present utility model.Glass antenna 200, the 300th, with antenna conductor and be configured in this antenna conductor near passive conductor and along the regulation reference direction (for example direction of level or approximate horizontal) power supply 16 and grounding parts 17(17A, 17B separated from one another) at the antenna that is arranged on vertical view on glass pane 12.
Glass antenna 200,300 for example possesses, and the first element is that antenna element 1, the second element are that antenna element 2, three element are that antenna element 3, the 4th element are that antenna element 4 is as the antenna conductor pattern.Glass antenna 300 also possesses antenna element 8.And glass antenna 200,300 for example possesses that the first passive component is that passive component 5 and the second passive component are that passive component 6 is as the pattern of passive conductor.
Need to prove, in Fig. 2,3, the position that glass pane 12 is installed on the vehicle body opening edge 56 under the state of flange 51 is illustrated by the broken lines.
Grounding parts 17 is conductive regions, when observing outside with car from the normal direction of glass pane 12, this conductive region comprises ground connection position 17A as the first ground connection position that comprises the zone that do not overlap with flange 51, and comprises that ground connection position 17B is as the second ground connection position that comprises the zone that overlaps with flange 51.Ground connection position 17B be arranged in respect to ground connection position 17A glass pane 12 the neighboring near the upper avris of power supply 16.Ground connection position 17A can be connected by the linear device more than one or two with ground connection position 17B.
In Fig. 2,3 illustration the rectangular conductive region take a, b, c, d as the summit as ground connection position 17A.Fig. 2,3 ground connection position 17A are following shapes: from the normal direction of glass pane 12 with ground connection position 17A outside car during lateral projection, the zone that this inclusive projection and flange 51 do not overlap.And, in Fig. 2 illustration the rectangular conductive region take d, e, f, a as the summit as ground connection position 17B, in Fig. 3 illustration the rectangular conductive region take e, f, g, a as the summit as ground connection position 17B.Fig. 2,3 ground connection position 17B are following shapes: from the normal direction of glass pane 12 with ground connection position 17B outside car during lateral projection, the zone that this inclusive projection overlaps with flange 51.
In addition, be provided with the earthing component 31 that flange 51 is electrically connected to ground connection position 17B.Earthing component 31 both can be arranged on the conductor on ground connection position 17B, also can be arranged on the conductor on flange 51.
Therefore, according to having the illustrated glass antenna 200 of Fig. 2, Fig. 3,300 antenna assembly, need not for grounding parts 17 is electrically connected to flange 51 to form the such special shape of jut on linearity ground is formed with the flange 51 of end 56.Therefore, can make grounding parts 17 and being connected of vehicle body electric stable by earthing component 31.And therefore the area at the ground connection position that can fully guarantee grounding parts 17 is electrically connected to can take full advantage of the vehicle body of bringing into play function as large ground plane, compares with the glass antenna 100 of Fig. 1, can improve glass antenna 200,300 antenna gain.
Need to prove, in the situation that the inner conductor of coaxial cable is electrically connected to power supply 16 and the external conductor of coaxial cable is electrically connected to ground connection position 17, can say that also antenna conductor and passive conductor consist of to power supply and the such dipole antenna of grounding parts power supply.
Next, illustrate in greater detail Fig. 2,3 structure.
In Fig. 2,3, antenna element 1 is take power supply 16 as starting point, towards parallel with reference direction and be that first direction (right in accompanying drawing) extends towards the direction of the opposition side of grounding parts 17.Antenna element 2 is that the first terminal 1g(of section is with the terminal of extending to first direction of antenna element 1, the terminal of the opposition side of power supply 16) connect, towards with antenna element 1 quadrature and with respect to the periphery of glass 12 and the direction towards the inboard is that second direction (the lower direction in accompanying drawing) is extended.Antenna element 2 both can extend towards second direction linearity ground take terminal part 1g as starting point, also can be towards the crooked extension of second direction.Antenna element 3 take the terminal of the extension of antenna element 2 namely the second terminal part 2g as starting point, be that third direction (left in accompanying drawing to) extends towards the reverse direction of first direction.And the terminal of extending to third direction of antenna element 3 is that the third terminal 3g of section is positioned at first direction side (that is, being positioned on the zone on right side with respect to passive component 5) with respect to passive component 5 described later.The point of antenna element 4 on the antenna element 2 extends towards first direction as starting point.The starting point of Fig. 2,3 antenna element 4 is extended towards first direction take terminal part 2g as starting point and take terminal part 4g as terminal point.
Need to prove, antenna element 4 can be removed, but the glass antenna that is provided with antenna element 4 compares with the situation that antenna element 4 is not set, and the average sensitivity of glass antenna improves.
In addition, the antenna element 8 of Fig. 3 is with respect to antenna element 1, and extend towards first direction take power supply 16 as starting point abreast with antenna element 1 in the zone of the opposition side of a side of extending at antenna element 3.The glass antenna that is provided with antenna element 8 is compared with the situation that antenna element 8 is not set, and the average sensitivity of glass antenna improves.
In addition, the passive component 5 of Fig. 2 be take as the ground connection position 17A in the zone of the part of grounding parts 17 as starting point, the element that at least a portion is extended towards second direction.The passive component 5 of Fig. 3 be take as the ground connection position 17B in the zone of the part of grounding parts 17 as starting point, the element that at least a portion is extended towards second direction.Fig. 2,3 passive component 6 are elements that point parallel with above-mentioned reference direction and on passive component 5 extends as starting point.Passive component 6 can extend along horizontal direction by terminal part 5g from improving the viewpoint of antenna gain, in the situation that Fig. 2,3, extends take terminal part 6g as terminal point to third direction (left in accompanying drawing to) take terminal part 5g as starting point.
Need to prove, passive component 6 also can extend to first direction not to third direction, and then also can approach with antenna element 3.The ground plane of vehicle body does not have tuning leeway, but the length of passive component 6, bearing of trend can suitably adjust, and therefore tuningly by passive component 6 is set becomes easy.
At this, " terminal part " can be both the terminal point of the extension of passive component or antenna element, can be also near the terminal point as this terminal point conductor part nearby.
The passive conductor dbus that power supply 16 and the antenna conductor that is connected with power supply 16 and grounding parts 17 reach the connection take grounding parts 17 as starting point is crossed the car inner surface that the paste that silver paste etc. is contained conductive metal is printed on the glass pane plate, sintering and forming.Yet, be not defined as this formation method, vehicle side surface or the car outer surface that also the thread like body that is made of conductive materials such as copper or paper tinsel shape body can be formed on glass pane also can be pasted on glass pane by bonding agent etc., can also be arranged on the inside of glass pane self.
The minimum value of each live width (each conductor width) of antenna element and passive component and linear device that ground connection position 17A is connected with 17B is from preventing the broken string this point of printed element, more than being preferably 0.4mm, more preferably more than 0.6mm.And the distortion this point that the maximum of each live width produces when suppressing the bending forming of glass is preferably below 3.0mm, more preferably below 2.8mm.
Next, with reference to Fig. 4,5,6, the object lesson of earthing component 31 is described.
Fig. 4 means the cutaway view of an example of the structure that ground connection position 17B is electrically connected to vehicle body via earthing component 31A.The reception signal of the electric wave that receives by antenna conductor is to the antenna side connector described later transmission that is electrically connected to the power supply 16 shown in Fig. 2,3 and ground connection position 17A.On the other hand, for ground connection position 17B is electrically connected to vehicle body, and utilize soldering etc. that earthing component 31A is arranged on ground connection position 17B, be electrically connected to each other.Perhaps also can utilize Double-sided adhesive tape or bonding agent etc. that earthing component 31A is bonded in ground connection position 17B, and be connected with 17B high frequency ground, ground connection position.By this syndeton, grounding parts 17 and the passive conductor that is connected with grounding parts 17 can be grounded on vehicle body reliably via earthing component 31A.
As shown in Figure 4, the end of body shell 50 is in order to be arranged at glass pane 12 vehicle body and flange 51 to be formed L word shape.Bonding agents (or filler) that flange 51 and glass pane 12 is bonding with reference to label 13.
Fig. 5 means the cutaway view of an example of the structure that ground connection position 17B is electrically connected to vehicle body via earthing component 31B.The reception signal of the electric wave that receives by antenna conductor is to the antenna side connector described later transmission that is electrically connected to the power supply 16 shown in Fig. 2,3 and ground connection position 17A.On the other hand, for ground connection position 17B is electrically connected to vehicle body, and earthing component 31B is arranged on ground connection position 17B.By this syndeton, grounding parts 17 and the passive conductor that is connected with grounding parts 17 can be grounded on vehicle body reliably via earthing component 31B.
Fig. 6 is the stereogram of earthing component 31B.Earthing component 31B comprises: metallic plate 35, and it is flexible connecting elements, has by welding to wait and the connecting portion 34 that is electrically connected to ground connection position 17B; Elastic plate 33, it bends to arch and is arranged at metallic plate 35.Earthing component 31B also can be bonding with ground connection position 17B by Double-sided adhesive tape or bonding agent etc. with metallic plate 35, thereby be connected with 17B high frequency ground, ground connection position.Be arranged on earthing component 31B on ground connection position 17B when via bonding agent 13, that glass pane 12 and flange 51 is bonding as shown in Figure 5, strains occur and carry out face with body panels 11 and contact in elastic plate 33.Thus, even if there is no special structure in body side, also can be with ground connection position 17B grounding connection in body shell 50.
On the other hand, the car outer surface of body shell 50 usually utilizes the application such as coating and forms the paint film 32 of insulating properties, only by earthing component 31B contact, can't guarantee the connection of direct current.Yet, fully increasing the area that contacts with paint film 32 by making elastic plate 33 that strains occur, earthing component 31B high frequency ground is connected with body shell 50, so ground connection position 17B can be grounded on vehicle body.
In addition, when glass pane is installed on vehicle body, the flexible connecting elements that contacts with ground connection position 17B can be arranged at the window frame of vehicle body.For example, with earthing component 31B shown in Figure 6 by the mechanical connect mechanism such as screw or soldering etc. with state that flange 51 is electrically connected under fixing.When glass pane 12 was connected with flange 51 via bonding agent 13, strains occured and contact with ground connection position 17B face in elastic plate 33.Thus, can be with ground connection position 17B grounding connection in body shell 50.
Glass antenna of the present utility model with being connected of signal processing circuit in use terminal component.Terminal component is following structure: connector is installed on power supply 16 and ground connection position 17A, and this connector is used for the inner conductor of coaxial cable and power supply 16 are electrically connected to, and external conductor and the ground connection position 17A of coaxial cable is electrically connected to.By this connector, easily the inner conductor with coaxial cable is installed on power supply 16, thereby easily external conductor is installed on ground connection position 17A.
For example in terminal component shown in Figure 7, following structure is shown: coaxial cable side-connector 40 is male type, and is chimeric along the antenna side connector 41 of the direction of arrow and gynetype, thus coaxial cable is connected with ground connection position 17A with power supply 16.By coaxial cable side-connector 40 is connected with antenna side connector 41 is involutory, and the inner conductor of coaxial cable 44 is connected with power supply 16 via metal-made leg section 42, the external conductor of coaxial cable 44 is connected with ground connection position 17A via metal-made leg section 43.Antenna side connector 41 is installed across power supply 16 and ground connection position 17A.The first terminal of antenna side connector 41 is that metal-made leg section 42 is installed on power supply 16, and the second terminal of antenna side connector 41 is that metal-made leg section 43 is installed on ground connection position 17A.And coaxial cable 44 is connected with coaxial cable side-connector 40.
In addition, the signal processing circuit 20 that amplifier etc. is installed also can be built in antenna side connector 41.The input part of amplifier is electrically connected to metal-made leg section 42, the efferent of amplifier is electrically connected to the inner conductor of coaxial cable 44, and the grounding parts of amplifier (being same potential with the grounding parts of signal processing circuit 20) is electrically connected to the external conductor of coaxial cable 44 with metal-made leg section 43.In this case, another distolateral tuner with being equipped on body side of coaxial cable 44 etc. is connected.By forming this structure, compare with situation about being connected with signal processing circuit via coaxial cable, transmit by coaxial cable receive signal midway and receiving before signal decays, can receive signal by the antenna side connector and amplify, therefore preferably.
Need to prove, also can not use antenna side connector 41.For example, with being connected of the signal processing circuit that is arranged at body side in use coaxial cable as the holding wire from the body side distribution, one distolateral at coaxial cable, the inner conductor of coaxial cable is electrically connected to power supply 16, and the external conductor of coaxial cable is electrically connected to ground connection position 17A.Coaxial cable is electrically connected to by soldering etc. with power supply 16 and ground connection position 17A.The external conductor of coaxial cable is by being electrically connected to ground connection position 17A, and comes and the body side grounding connection by the earthing component that is connected with ground connection position 17B.The signal processing circuit of the distolateral amplifier with being equipped on body side of another of coaxial cable etc. is connected.In this case, distolateral at another of coaxial cable, can be that inner conductor is electrically connected to the input part of amplifier, external conductor is electrically connected to the grounding parts of amplifier.And the efferent of amplifier is electrically connected to the input part of tuner etc.
Above, describe in detail preferred embodiment of the present utility modelly, but the utility model is not defined as above-mentioned execution mode, only otherwise break away from scope of the present utility model, just can apply to above-mentioned execution mode various distortion, improvement and replacement.
For example, as long as antenna conductor of the present utility model, passive conductor, power supply, antenna part have desirable antenna gain, be not defined as Fig. 2,3 mode.Particularly, the shape of the element of antenna conductor and passive conductor can suitably be set corresponding to desirable receive frequency according to vehicle class.If Fig. 2,3 mode can improve the antenna gain of surface wave digital television broadcasting band.
In addition, as long as earthing component has for the function with ground connection position 17B and body side grounding connection, be not defined as Fig. 4,5,6 mode.For example, earthing component can be the electroconductive member at ground connection position 17B and the overshooting shape that can stretch between under the vehicle installment state and the opposed body side of ground connection position 17B position.Perhaps when glass pane is installed on vehicle body, the forming overshooting shape with ground connection position 17B opposed position of body side and conducting or not directly contact and high frequency is connected with ground connection position 17B contact.
[embodiment]
Explanation is applicable to vehicle antenna device of the present utility model the example of the front screen of actual vehicle.Explanation is installed on the measured result of the antenna gain of the automobile-use glass antenna that the front screen of actual vehicle makes by the mode with glass antenna shown in Figure 3.
The automobile-use glass pane that will be formed with glass antenna to be inclined relative to horizontal approximately the window frame that is assembled in the motor vehicle on rotary table under the state of 25 ° and practical measurement antenna gain.To power supply assembly and connection device, and be connected with network analyser via feeder line.Make the rotary table rotation from horizontal direction, glass pane is shone electric wave from omnirange.
Settle the vehicle center of the motor vehicle of the glass that is assembled with glass antenna at the center of rotary table, make the motor vehicle rotating 360 degrees carry out the mensuration of antenna gain.The data of antenna gain are measured every 6MHz in the frequency range of surface wave digital television broadcasting band every the anglec of rotation of 3 °.The transmission position of electric wave and the elevation angle of antenna conductor take general horizontal direction (establish face parallel to the ground as the elevation angle=0 °, establish zenith direction as the elevation angle=90 ° the time, the direction of the elevation angle=0 °) measure.Antenna gain has been carried out standardization take half wavelength dipole antenna as benchmark so that the antenna gain of half wavelength dipole antenna becomes the mode of 0dB.
Fig. 8 is glass antenna 300(Fig. 3) the measured data of antenna gain.The longitudinal axis of Fig. 8 represents to make the motor vehicle rotating 360 degrees and the mean value of the antenna gain that obtains.
When the unit of establishing was mm, each one of the Fig. 3 when having measured the antenna gain of Fig. 8 was of a size of
a1：80
a2：15
a3：105
a4：50
a5：20
a6：75
a8：50
b1：42
b2：0
b3：5
。The conductor width of each element is 0.8mm.Power supply 16 is vertical 11mm * horizontal 12mm.Rectangular ground connection position 17A take a, b, c, d as the summit is vertical 11mm * horizontal 12mm.Rectangular ground connection position 17B take e, f, g, a as the summit is vertical 14mm * horizontal 54mm.
According to the measured data of Fig. 8, what master station was concentrated preferentially demonstrates+value that 0.4dBd is so very high with the mean value of the antenna gain of territory 473～575MHz.
[industrial applicability]
The utility model is fit to be utilized the antenna as the automobile-use that for example digital television broadcasting of the digital television broadcasting of the digital television broadcasting of the analog television broadcast of surface wave digital television broadcasting, UHF band and the U.S., European Union or the People's Republic of China (PRC) is received.In addition, also can be used in Japan FM broadcasting band (76～90MHz), the FM broadcasting band of the U.S. (88～108MHz), TV VHF band (use without key and enter system (300～450MHz) by 90～108MHz, 170～222MHz), vehicle.
In addition, also can be used in the 800MHz band that the motor vehicle phone uses (810～960MHz), the 1.5GHz band used of motor vehicle phone (1.429～1.501GHz), the gps signal (Global Positioning System:1575.42MHz) of artificial satellite, VIGS(registered trade mark) (Vehicle Information and Communication System:2.5GHz).
In addition, can also be used in the transmission frequency of ETC communication (Electronic Toll Collection System(is Auto Fare Collection Parking System not), trackside wireless device: the receive frequency of 5.795GHz or 5.805GHz, trackside wireless device: 5.835GHz or 5.845GHz), special-purpose narrow field communication (DSRC) (Dedicated Short Range Communication:915MHz band, 5.8GHz band, 60GHz band) and SDARS(Satellite Digital Audio Radio Service:2.34GHz, 2.6GHz).And, can also be used in microwave (1GHz～3THz) and millimeter wave (30～300GHz) communication.
Claims (7)
1. antenna assembly has:
Glass pane is installed on the window frame of vehicle body;
Glass antenna, the grounding parts that possesses antenna conductor, the power supply that is connected with this antenna conductor, passive conductor, is connected with this passive conductor at described glass pane,
Described antenna assembly is characterised in that,
Described grounding parts comprises the first ground connection position and the second ground connection position, and when observing from the normal direction of described glass pane, described the first ground connection position comprises the zone that does not overlap with described window frame, and described the second ground connection position comprises the zone that overlaps with described window frame,
Described antenna assembly has the earthing component that described vehicle body is electrically connected to described the second ground connection position.
2. antenna assembly according to claim 1, wherein,
Described earthing component is arranged at described the second ground connection position, is to be inserted into the temporary fixation clamp that use as holding appliance so that described glass pane is temporarily fixed on described vehicle body in the hole that is formed at described window frame.
3. antenna assembly according to claim 1, wherein,
Described earthing component is the elastic component that is arranged at described the second ground connection position, when described glass pane is installed in described vehicle body, strain occurs and is connected with described vehicle body.
4. antenna assembly according to claim 1, wherein,
Described earthing component is the elastic component that is arranged at described the second opposed described window frame in ground connection position, when described glass pane is installed in described vehicle body, strain occurs and is connected with described the second ground connection position.
5. the described antenna assembly of any one according to claim 1 ~ 4, wherein,
The inner conductor of coaxial cable is electrically connected to described power supply, and the external conductor of this coaxial cable is electrically connected to described the first ground connection position.
6. antenna assembly according to claim 5, wherein,
On described power supply and described the first ground connection position, connector is installed, this connector is used for the inner conductor of described coaxial cable is electrically connected to described power supply, and the external conductor of described coaxial cable is electrically connected to described the first ground connection position.
7. antenna assembly according to claim 6, wherein,
The standby signal processing circuit that is electrically connected to described coaxial cable of described connection device.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011159318A JP2013026800A (en) | 2011-07-20 | 2011-07-20 | Antenna apparatus |
| JP2011-159318 | 2011-07-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203013926U true CN203013926U (en) | 2013-06-19 |
Family
ID=47784683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220356127 Expired - Fee Related CN203013926U (en) | 2011-07-20 | 2012-07-20 | Antenna device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2013026800A (en) |
| CN (1) | CN203013926U (en) |
| BR (1) | BR102012017942A2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7231851B2 (en) * | 2018-04-13 | 2023-03-02 | セントラル硝子株式会社 | Windshield with glass antenna element |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2593899Y2 (en) * | 1992-02-05 | 1999-04-19 | 日本板硝子株式会社 | Automotive window glass antenna device |
| JP4159593B2 (en) * | 2006-06-28 | 2008-10-01 | 原田工業株式会社 | Circuit board built-in connector and catcher |
| WO2010119856A1 (en) * | 2009-04-16 | 2010-10-21 | 旭硝子株式会社 | Vehicle glass antenna, vehicle window glass, and vehicle glass antenna feeding structure |
-
2011
- 2011-07-20 JP JP2011159318A patent/JP2013026800A/en not_active Withdrawn
-
2012
- 2012-07-19 BR BR102012017942A patent/BR102012017942A2/en not_active Application Discontinuation
- 2012-07-20 CN CN 201220356127 patent/CN203013926U/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| BR102012017942A2 (en) | 2013-07-30 |
| JP2013026800A (en) | 2013-02-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Tokyo, Japan Patentee after: AGC Corporation Address before: Tokyo, Japan Patentee before: Asahi Glass Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20190720 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |