JPH10297384A - Head for light beacon on-vehicle machine - Google Patents
Head for light beacon on-vehicle machineInfo
- Publication number
- JPH10297384A JPH10297384A JP9113000A JP11300097A JPH10297384A JP H10297384 A JPH10297384 A JP H10297384A JP 9113000 A JP9113000 A JP 9113000A JP 11300097 A JP11300097 A JP 11300097A JP H10297384 A JPH10297384 A JP H10297384A
- Authority
- JP
- Japan
- Prior art keywords
- head
- case
- light
- optical beacon
- light emitting
- 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.)
- Granted
Links
Landscapes
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Optical Communication System (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、光ビーコン方式を
用いた光ビーコン車載機用ヘッドに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a head for an on-vehicle optical beacon using an optical beacon system.
【０００２】[0002]
【従来の技術】光ビーコン方式は、路車間通信方式の１
つであって、伝送媒体として空間伝搬光を用いて、路上
機と車載機との間で通信を行う方式である。路上機から
は渋滞情報、工事情報、事故情報等の情報を車載機に送
信し、車載機からは車両固有のＩＤ、旅行時間情報等を
路上機に送信する。2. Description of the Related Art The optical beacon system is one of road-vehicle communication systems.
This is a method in which communication is performed between a roadside device and a vehicle-mounted device using spatially propagating light as a transmission medium. Information such as traffic congestion information, construction information, and accident information is transmitted from the on-road device to the on-vehicle device, and the vehicle-specific ID, travel time information, and the like are transmitted to the on-road device.
【０００３】図１１は、車載機から路上機３２への通信
状態を示す概念図である。光ビーコン車載機用ヘッド３
１は、通常、車両のフロントガラスに面する車内のダッ
シュボードの上面に設置され、光ビーコン車載機用ヘッ
ド３１から路上機３２へ信号を送信するには、車両の進
行方向において、水平面から上方約４７°の方向に光送
信しなければならない。FIG. 11 is a conceptual diagram showing a state of communication from a vehicle-mounted device to a road device 32. Optical beacon head 3
1 is usually installed on the upper surface of the dashboard inside the vehicle facing the windshield of the vehicle. To transmit a signal from the head 31 for the optical beacon on-vehicle device to the on-road device 32, the vehicle 1 travels upward from the horizontal plane in the traveling direction of the vehicle. The light must be transmitted in a direction of about 47 °.
【０００４】図１２は、光ビーコン車載機用ヘッド３１
の一例を示す斜視図である。送信用の発光素子３２が透
明窓３３を有するケース３４内の基板３５上に装着され
ている。光ビーコン車載機用ヘッド３１から前記の角度
で光信号を送信するには、発光素子３２から斜めの方向
に光が出るようにしなければならず、このために発光素
子３２を装着する基板３５自体が所定角度傾けて設置さ
れている。そのため光ビーコン車載機用ヘッドの高さＨ
が、図１２に示すように、どうしても高いものになって
しまう。FIG. 12 shows an optical beacon vehicle-mounted head 31.
It is a perspective view which shows an example. A light emitting element 32 for transmission is mounted on a substrate 35 in a case 34 having a transparent window 33. In order to transmit an optical signal from the head 31 for the optical beacon device at the above-mentioned angle, light must be emitted from the light emitting element 32 in an oblique direction. Are installed at a predetermined angle. Therefore, the height H of the head for the optical beacon
However, as shown in FIG.
【０００５】[0005]
【発明が解決しようとする課題】前述のように、光ビー
コン車載機用ヘッド３１を車内のダッシュボードの上面
に設置すると、光ビーコン車載機用ヘッドの高さＨが高
いために、ドライバの視界を妨げるおそれがあり、もっ
と高さの低い車載機が求められている。しかし、車載機
の形状を低いものにすると、発光素子を装着する基板の
設置角度がとれないという問題が生ずる。As described above, when the optical beacon on-vehicle head 31 is installed on the dashboard, the height H of the optical beacon on-vehicle head is high. Therefore, there is a demand for an in-vehicle device having a lower height. However, when the shape of the on-vehicle device is reduced, there is a problem that the installation angle of the substrate on which the light emitting element is mounted cannot be set.
【０００６】そこで、本発明は、発光素子を装着する基
板を傾けることなく、発光素子から所定の角度で発光す
ることのできる光ビーコン車載機用ヘッドを実現するこ
とを目的とする。Accordingly, an object of the present invention is to realize an optical beacon vehicle-mounted head capable of emitting light at a predetermined angle from a light emitting element without tilting a substrate on which the light emitting element is mounted.
【０００７】[0007]
【課題を解決するための手段】本発明の光ビーコン車載
機用ヘッドは、発光素子を装着する基板を、光ビーコン
車載機用ヘッドを収納するケースの中に、当該ケースの
一面と平行に配置し、一個又は複数個の発光素子を、基
板に対して所定の角度をもって光を発射できるように、
平らな２側面が鋭角をなす柱状のスペーサを介して基板
に装着しているものである（請求項１）。According to the present invention, there is provided an optical beacon vehicle-mounted head in which a substrate on which a light emitting element is mounted is disposed in a case for housing the optical beacon vehicle-mounted head, parallel to one surface of the case. Then, one or a plurality of light emitting elements, so that light can be emitted at a predetermined angle with respect to the substrate,
The two flat sides are attached to the substrate via a columnar spacer having an acute angle (claim 1).
【０００８】前記「所定の角度」は路上機へ信号の送信
に最も適した角度に選ぶ。前記の構成によれば、発光素
子を装着する基板をケースの一面に平行に配置している
ので、ケースの当該一面を、ほぼ水平な場所に取り付け
れば（すなわち当該「一面」が取付面となる）、一個又
は複数個の発光素子から所定の角度をもって光を発射す
ることができる。そして、ケースの高さを低くすること
ができる。[0008] The "predetermined angle" is selected to be an angle most suitable for transmitting a signal to a road machine. According to the above configuration, since the substrate on which the light emitting element is mounted is arranged parallel to one surface of the case, if the one surface of the case is mounted in a substantially horizontal place (that is, the “one surface” becomes the mounting surface) ), One or a plurality of light emitting elements can emit light at a predetermined angle. Then, the height of the case can be reduced.
【０００９】また、光ビーコン車載機用ヘッドを収納す
るケースとして上面と下面とが基本的に平行なケースを
使用すれば（請求項２）、フラットなケースとすること
ができ、当該「下面」を取付面とすれば、ケースの高さ
を最小限度に抑えることができる。Further, if a case in which the upper surface and the lower surface are basically parallel is used as a case for housing the head for the optical beacon on-board unit (claim 2), the case can be made a flat case, and the "lower surface" The height of the case can be kept to a minimum by using as the mounting surface.
【００１０】[0010]
【発明の実施の形態】以下、本発明の実施の形態を、添
付図面を参照しながら詳細に説明する。図１は、路上の
光ビーコン通信機との間で光伝送を行う光ビーコン車載
機用ヘッド３と、ＦＭ多重電波を受けるＦＭアンテナ４
とを、光・ＦＭ一体型受信機２に接続し、この光・ＦＭ
一体型受信機２をナビゲーション装置本体１に接続した
使用状態を示す図である。Embodiments of the present invention will be described below in detail with reference to the accompanying drawings. FIG. 1 shows a head 3 for an on-vehicle optical beacon that performs optical transmission with an optical beacon communication device on a road, and an FM antenna 4 that receives FM multiplex radio waves.
Are connected to the optical / FM integrated receiver 2, and the optical / FM
FIG. 3 is a diagram illustrating a use state in which the integrated receiver 2 is connected to the navigation device body 1.
【００１１】図２は、光ビーコン車載機用ヘッド３の外
観図である。光ビーコン車載機用ヘッド３は、嵌合した
状態で上面と下面とが平行な偏平ケース５ａ，５ｂと、
光・ＦＭ一体型受信機２から電源を受け、受信信号を受
け渡しするためのコード５ｅ及びコネクタ５ｆとを備え
ている。図３は、光ビーコン車載機用ヘッド３を車内の
ダッシュボードの水平な面に設置した例を示す概略図で
ある。光ビーコン車載機用ヘッド３のケースの寸法は、
横８９ｍｍ、奥行き４７ｍｍ、高さ２２ｍｍであって、
比較的小さいので、ダッシュボードに水平な面がわずか
でもあればその場所に設置することができる。もし、ダ
ッシュボードの水平な面がまったくなければ、補助取付
具を使って、光ビーコン車載機用ヘッド３が水平に設置
されるように取り付ける。FIG. 2 is an external view of the head 3 for the vehicle-mounted optical beacon. The head 3 for the vehicle-mounted optical beacon includes flat cases 5a and 5b whose upper and lower surfaces are parallel to each other in a fitted state.
It has a cord 5e and a connector 5f for receiving power from the optical / FM integrated receiver 2 and transferring received signals. FIG. 3 is a schematic diagram showing an example in which the head 3 for an in-vehicle optical beacon is installed on a horizontal surface of a dashboard in a vehicle. The dimensions of the case of the head 3 for the vehicle-mounted optical beacon are:
89 mm wide, 47 mm deep, 22 mm high,
Because it is relatively small, the dashboard can be installed wherever there is a small amount of horizontal surface. If there is no horizontal surface of the dashboard, the optical beacon on-vehicle device head 3 is mounted using the auxiliary mounting tool so as to be installed horizontally.
【００１２】図４は、光ビーコン車載機用ヘッド３の上
のケース５ａ，下のケース５ｂを上下に外した状態を示
す斜視図である。少なくとも上のケース５ａは、赤外線
を通過させる材質（例えばポリカーボネート）で形成さ
れている。発光素子８等を装着する基板６を、当該ケー
ス５ａ，５ｂの中に、下のケース５ｂの下面と平行に配
置している。FIG. 4 is a perspective view showing a state in which the upper case 5a and the lower case 5b of the head 3 for the vehicle-mounted optical beacon have been vertically removed. At least the upper case 5a is formed of a material that allows infrared rays to pass (for example, polycarbonate). The substrate 6 on which the light emitting element 8 and the like are mounted is disposed in the cases 5a and 5b in parallel with the lower surface of the lower case 5b.
【００１３】基板６には、６つの発光ダイオード８を一
列に並べ、所定の斜めの角度θをもって光を発射できる
ように、スペーサ７を介して基板６に装着している。前
記角度θは、不等式０°＜θ＜９０°を満たす一定の角
度（例えば４７°）である。また、当該基板６には、ス
ペーサ７、発光ダイオード８の他に、受光用のフォトダ
イオード１１、発光ダイオード駆動用のコンデンサ９、
端子１０等が配置されている。On the substrate 6, six light emitting diodes 8 are arranged in a line, and mounted on the substrate 6 via a spacer 7 so as to emit light at a predetermined oblique angle θ. The angle θ is a constant angle (for example, 47 °) satisfying the inequality 0 ° <θ <90 °. In addition to the spacer 7 and the light emitting diode 8, the substrate 6 has a photodiode 11 for receiving light, a capacitor 9 for driving the light emitting diode,
Terminals 10 and the like are arranged.
【００１４】前記発光ダイオード８は、波長８５０ｎｍ
又は９５０ｎｍの赤外線を照射するＰＮ接合部を透明な
樹脂８ａで固めたものであり、図５(a) に示すように、
上からみれば楕円形状となっている。これにより図５
(d) に示すように、楕円の長軸方向に広い指向角度φを
得ることができる。図５(e) は樹脂部８ａの底面の、発
光ダイオード８の電極８ｂの周辺に生じた樹脂の盛り上
がり８ｃを示している。このような樹脂の盛り上がり８
ｃは、目視できないほどの小さなものであることが多い
が、製品化するときの製造のバラツキにより、図示した
ような大きな盛り上がり８ｃが生ずることがある。The light emitting diode 8 has a wavelength of 850 nm.
Alternatively, a PN junction for irradiating infrared rays of 950 nm is solidified with a transparent resin 8a, and as shown in FIG.
Seen from above, it has an elliptical shape. As a result, FIG.
As shown in (d), a wide directional angle φ can be obtained in the major axis direction of the ellipse. FIG. 5 (e) shows a swelling 8c of the resin generated around the electrode 8b of the light emitting diode 8 on the bottom surface of the resin portion 8a. Such resin swell 8
Although c is often too small to be seen, a large bulge 8c as shown in the figure may occur due to manufacturing variations at the time of commercialization.
【００１５】前記スペーサ７の形状を、図６に示す。ス
ペーサ７自体は、透明な耐熱性樹脂（例えばポリカーボ
ネート）でできている。透明な樹脂を採用することによ
り、スペーサ７装着後も基板６に印刷された文字が読
め、半田付けの状態を確認することができる。スペーサ
７の底面には、図６(a) (c) 等に示すように、５カ所に
台座７１ａ，７１ｂを設け、これらのうち３カ所の台座
７１ｂから突起７２を出して、これらの突起７２を基板
６に設けた孔に嵌合させることによって位置決めができ
るようになっている。さらに、前記台座７１ａ，７１ｂ
は、スペーサ７の底面と基板６との間に隙間を作る役目
を果たしていて、この隙間によりフローソルダーの影響
を回避している。FIG. 6 shows the shape of the spacer 7. The spacer 7 itself is made of a transparent heat-resistant resin (for example, polycarbonate). By employing a transparent resin, the characters printed on the substrate 6 can be read even after the spacer 7 is attached, and the state of soldering can be confirmed. As shown in FIGS. 6 (a) and 6 (c), the pedestals 71a and 71b are provided at five places on the bottom surface of the spacer 7, and projections 72 are protruded from three of the pedestals 71b. Is fitted into a hole provided in the substrate 6 so that positioning can be performed. Further, the pedestals 71a, 71b
Plays a role of creating a gap between the bottom surface of the spacer 7 and the substrate 6, and the gap avoids the influence of the flow solder.
【００１６】スペーサ７は、図６(b) (d) 等に示すよう
に、断面が台形の四角柱状をしており、その側面は、上
面７ａと、底面７ｄと、背面７ｃと、斜面７ｂとで構成
されている。斜面７ｂと底面７ｄとのなす角は、（９０
°−θ）になっている。図７は、スペーサ７の斜視図で
ある。この図７では、理解の容易のため、スペーサ７を
不透明なものとして描いている。スペーサ７の上面７ａ
から底面に向かって垂直に、一部斜面７ｂにかかって、
断面Ｈ形状のスルーホール７ｅを貫き通している。この
スルーホール７ｅの横幅をＤ1 で表示している。また、
スペーサ７の斜面７ｂから垂直方向に、前記スルーホー
ル７ｅよりも広い断面半円状の堀り込み７ｆを形成して
いる。この堀り込み７ｆの横幅をＤ2 で表示している
（Ｄ 2 ＞Ｄ1 の関係が成立する）。なお、堀り込み７ｆ
の形状は、半円状柱に限らず、四角柱状でもよい。The spacer 7 is formed as shown in FIGS.
The cross section is in the shape of a trapezoidal quadratic prism,
Consists of a surface 7a, a bottom surface 7d, a back surface 7c, and a slope 7b.
Have been. The angle between the inclined surface 7b and the bottom surface 7d is (90
° -θ). FIG. 7 is a perspective view of the spacer 7.
is there. In FIG. 7, for easy understanding, the spacer 7 is
Painted as opaque. Upper surface 7a of spacer 7
From the bottom to the bottom, partially on the slope 7b,
It penetrates through-hole 7e having an H-shaped cross section. this
The width of the through hole 7e is D1Displayed with. Also,
The through hoe extends vertically from the slope 7 b of the spacer 7.
Forming a semi-circular dug 7f wider than the ru 7e
I have. The width of this dug 7f is DTwoIs displayed in
(D Two> D1Holds). In addition, digging 7f
Is not limited to a semicircular column, but may be a quadrangular column.
【００１７】図８は、スペーサ７の前記スルーホール７
ｅに発光ダイオード８の電極８ｂを挿入した状態を示す
斜視図である。この発光ダイオード８を奥まで挿入する
と、発光ダイオード８の樹脂部８ａの底面がスペーサ７
の斜面７ｂに接触して、図６(i) に示すように、発光ダ
イオード８の照射角θ（４７°）が決定される。この接
触状態においては、発光ダイオード８の樹脂部８ａの底
面に樹脂の盛り上がり８ｃがある場合でも、当該盛り上
がり８ｃが前述した半円状の堀り込み７ｆの中に埋もれ
てしまうため、樹脂部８ａの底面とスペーサ７の斜面７
ｂとの接触にがたつきが発生することはない。したがっ
て、発光ダイオード８の照射角θを正確に決めることが
できる。FIG. 8 shows the through hole 7 of the spacer 7.
FIG. 9 is a perspective view showing a state in which an electrode 8b of the light emitting diode 8 is inserted into e. When the light emitting diode 8 is inserted all the way, the bottom surface of the resin portion 8a of the light emitting diode 8
6 (i), the irradiation angle θ (47 °) of the light emitting diode 8 is determined. In this contact state, even if there is a bulge 8c of the resin on the bottom surface of the resin part 8a of the light emitting diode 8, the bulge 8c is buried in the semicircular dug 7f described above. Of bottom and slope 7 of spacer 7
No rattling occurs in contact with b. Therefore, the irradiation angle θ of the light emitting diode 8 can be accurately determined.
【００１８】また、図６(i) には、発光ダイオード８の
樹脂部８ａの底面をスペーサ７の斜面７ｂに接触させて
発光ダイオード８の電極８ｂを基板にハンダ付けした状
態での、基板６から発光ダイオード８の電極８ｂの付け
根までの高さＫを示している。この高さＫは、発光ダイ
オード８の頭が、嵌合したケース５ａに接触しないよう
に、一定の高さ以下に決められる。FIG. 6 (i) shows that the bottom surface of the resin portion 8a of the light emitting diode 8 is in contact with the inclined surface 7b of the spacer 7 and the electrode 8b of the light emitting diode 8 is soldered to the substrate. 2 shows a height K from the base to the base of the electrode 8b of the light emitting diode 8. The height K is determined to be equal to or less than a certain height so that the head of the light emitting diode 8 does not contact the fitted case 5a.
【００１９】なお、小型化に対する要求を満たす手段と
して、図１３に示すように発光ダイオードの光量が順電
流に比例して大きくなるという性質を利用して、発光ダ
イオードが故障しない範囲で１個当たりの電流を大きく
し光量を大きくすれば、全体として同じ光量を得るのに
発光ダイオードの個数を減らすことができる。なお、本
発明は上に述べた実施の形態に限定されるものではな
い。例えば、図６に示したスペーサ７は、断面が台形の
四角柱状をしていたが、柱の平らな２側面が鋭角をなし
ていればこれに限られるものではなく、例えば、図９
(a) に示すような三角柱、図９(b) に示すような背の丸
い柱状のものであってもよい。また、６個の発光ダイオ
ードを一列に配置していたが、発光ダイオードの数は６
個に限られるものではない。例えば図１０に示すように
１つ発光ダイオードのみを、スペーサ７を介して基板６
に取り付けるようにしてもよい。また、発光ダイオード
を複数列に並べてもよい。As a means for satisfying the demand for miniaturization, as shown in FIG. 13, by utilizing the property that the light quantity of the light emitting diode increases in proportion to the forward current, one light emitting diode can be used within a range in which the light emitting diode does not fail. If the current is increased to increase the amount of light, the number of light emitting diodes can be reduced to obtain the same amount of light as a whole. Note that the present invention is not limited to the embodiment described above. For example, the spacer 7 shown in FIG. 6 has a trapezoidal quadrangular prism shape in cross section. However, the shape is not limited to this as long as the two flat sides of the column form an acute angle.
It may be a triangular prism as shown in FIG. 9A or a column having a rounded back as shown in FIG. Although six light emitting diodes are arranged in a line, the number of light emitting diodes is six.
It is not limited to individuals. For example, as shown in FIG.
You may make it attach to. Further, the light emitting diodes may be arranged in a plurality of rows.
【００２０】その他本発明の範囲内で種々の変更を施す
ことが可能である。Various other changes can be made within the scope of the present invention.
【００２１】[0021]
【発明の効果】以上のように本発明の光ビーコン車載機
用ヘッドによれば、路上機へ信号の送信に最も適した照
射角度を確保できるとともに、ケースの高さを低くする
ことができ、ドライバの視界を妨げるおそれがなくなる
という効果が得られる。特に、平行でフラットなケース
とすれば、ケースの高さを最小限に抑えることができ、
前記の効果を最もよく達成することができる。As described above, according to the head for the optical beacon on-vehicle device of the present invention, it is possible to secure the irradiation angle most suitable for transmitting a signal to the on-road device and to reduce the height of the case. The effect of eliminating the possibility of obstructing the driver's view is obtained. In particular, if the case is parallel and flat, the height of the case can be minimized,
The above effects can be best achieved.
【図１】光ビーコン車載機用ヘッド３と、ＦＭアンテナ
４とを、光・ＦＭ一体型受信機２に接続し、この光・Ｆ
Ｍ一体型受信機２をナビゲーション装置本体１に接続し
た使用状態を示す図である。FIG. 1 shows an optical beacon on-vehicle device head 3 and an FM antenna 4 connected to an optical / FM integrated receiver 2;
FIG. 3 is a diagram illustrating a use state in which the M-integrated receiver 2 is connected to the navigation device body 1.
【図２】光ビーコン車載機用ヘッド３の外観図であり、
(a) は平面図、(b) は正面図、(c) は側面図である。FIG. 2 is an external view of a head 3 for a vehicle-mounted optical beacon;
(a) is a plan view, (b) is a front view, and (c) is a side view.
【図３】光ビーコン車載機用ヘッド３を車内のダッシュ
ボードの水平な面に設置した状態を示す図である。FIG. 3 is a view showing a state in which the head 3 for an in-vehicle optical beacon is installed on a horizontal surface of a dashboard in a vehicle.
【図４】光ビーコン車載機用ヘッド３のケースを上下に
外した状態を示す斜視図である。FIG. 4 is a perspective view showing a state in which the case of the head 3 for a vehicle-mounted optical beacon has been removed vertically.
【図５】光ビーコン車載機用ヘッド３に使用する発光ダ
イオード８の外観図であり、(a) は平面図、(b) は正面
図、(c) は側面図、(d) は斜視図、(e) は樹脂部８ａの
底面の発光ダイオード８の電極８ｂの周辺に生じた樹脂
の盛り上がり８ｃを示す図である。5A and 5B are external views of a light-emitting diode 8 used in the head 3 for a vehicle-mounted optical beacon, where FIG. 5A is a plan view, FIG. 5B is a front view, FIG. 5C is a side view, and FIG. (E) is a diagram showing a bulge 8c of the resin generated around the electrode 8b of the light emitting diode 8 on the bottom surface of the resin portion 8a.
【図６】光ビーコン車載機用ヘッド３に使用するスペー
サ７の外観図であり、(a) は正面図、(b) は左側面図、
(c) は底面図、(d) は右側面図、(e) は背面図、(f) は
平面図、(g) はＡ−Ａ断面図、(h) はＢ−Ｂ断面図、
(i) はスペーサ７を介して基板６に発光ダイオード８を
取り付けたときの断面図である。6A and 6B are external views of a spacer 7 used in the head 3 for the vehicle-mounted optical beacon; FIG. 6A is a front view, FIG.
(c) is a bottom view, (d) is a right side view, (e) is a rear view, (f) is a plan view, (g) is an AA sectional view, (h) is a BB sectional view,
(i) is a sectional view when the light emitting diode 8 is attached to the substrate 6 via the spacer 7.
【図７】スペーサ７の斜視図である。FIG. 7 is a perspective view of a spacer 7;
【図８】スペーサ７のスルーホール７ｃに発光ダイオー
ド８の電極８ｂを挿入した状態を示す斜視図である。FIG. 8 is a perspective view showing a state in which an electrode 8b of a light emitting diode 8 is inserted into a through hole 7c of a spacer 7;
【図９】スペーサの形状の変形例を示す図である。FIG. 9 is a diagram showing a modification of the shape of the spacer.
【図１０】発光ダイオードを一個用いた例を示す図であ
る。FIG. 10 is a diagram showing an example in which one light emitting diode is used.
【図１１】車載機から路上機への通信状態を示す概念図
である。FIG. 11 is a conceptual diagram showing a communication state from an on-vehicle device to a road device.
【図１２】従来の光ビーコン車載機用ヘッドの一例を示
す斜視図である。FIG. 12 is a perspective view showing an example of a conventional head for an optical beacon device.
【図１３】発光ダイオードの光量と順電流との関係を示
すグラフである。FIG. 13 is a graph showing a relationship between a light amount of a light emitting diode and a forward current.
１ ナビゲーション装置本体 ２ 光・ＦＭ一体型受信機 ３ 光ビーコン車載機用ヘッド ４ ＦＭアンテナ４ ５ａ 上のケース ５ｂ 下のケース ６ 基板 ７ スペーサ ８ 発光ダイオード ８ａ 樹脂部 ８ｂ 電極 ８ｃ 樹脂の盛り上がり ７ｂ 斜面 ７ｅ スルーホール ７ｆ 堀り込み DESCRIPTION OF SYMBOLS 1 Navigation apparatus main body 2 Integrated optical / FM receiver 3 Head for optical beacon equipment 4 FM antenna 4 5a Upper case 5b Lower case 6 Substrate 7 Spacer 8 Light emitting diode 8a Resin part 8b Electrode 8c Resin swell 7b Slope 7e Drilling through hole 7f
Claims (2)
用ヘッドであって、 発光素子を装着する基板を、光ビーコン車載機用ヘッド
を収納するケースの中に、当該ケースの一面と平行に配
置し、 一個又は複数個の発光素子を、基板に対して所定の角度
をもって光を発射できるように、平らな２側面が鋭角を
なす柱状のスペーサを介して基板に装着していることを
特徴とする光ビーコン車載機用ヘッド。An optical beacon head for an in-vehicle optical beacon using an optical beacon method, wherein a substrate on which a light emitting element is mounted is placed in a case for housing the head for an in-vehicle optical beacon, parallel to one surface of the case. It is characterized in that one or a plurality of light emitting elements are mounted on the substrate via a columnar spacer having two flat sides forming an acute angle so that light can be emitted at a predetermined angle with respect to the substrate. Head for optical beacon onboard equipment.
スとして上面と下面とが基本的に平行なケースを使用す
ることを特徴とする請求項１記載の光ビーコン車載機用
ヘッド。2. The head for an on-vehicle optical beacon according to claim 1, wherein a case for storing the head for the on-vehicle optical beacon uses a case whose upper surface and lower surface are basically parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11300097A JP3895427B2 (en) | 1997-04-30 | 1997-04-30 | Head for optical beacon vehicle equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11300097A JP3895427B2 (en) | 1997-04-30 | 1997-04-30 | Head for optical beacon vehicle equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10297384A true JPH10297384A (en) | 1998-11-10 |
| JP3895427B2 JP3895427B2 (en) | 2007-03-22 |
Family
ID=14600935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11300097A Expired - Lifetime JP3895427B2 (en) | 1997-04-30 | 1997-04-30 | Head for optical beacon vehicle equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3895427B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017147671A (en) * | 2016-02-19 | 2017-08-24 | 住友電装株式会社 | Optical beacon on-vehicle device |
| JP2018037102A (en) * | 2017-11-22 | 2018-03-08 | 株式会社デンソー | On-vehicle optical transmission/reception device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0983242A (en) * | 1995-09-13 | 1997-03-28 | Sharp Corp | Small-sized antenna and onboard front end in common use for light beacon and radio wave beacon |
| JPH10995A (en) * | 1996-06-17 | 1998-01-06 | Harness Sogo Gijutsu Kenkyusho:Kk | Housing of optical beacon antenna for automobile |
| JPH1038991A (en) * | 1996-07-29 | 1998-02-13 | Matsushita Electric Works Ltd | Antenna device for vics |
| JPH1070512A (en) * | 1996-06-17 | 1998-03-10 | Harness Sogo Gijutsu Kenkyusho:Kk | Optical head for on vehicle optical beacon |
| JPH10228813A (en) * | 1997-02-13 | 1998-08-25 | Hamamatsu Photonics Kk | Light projecting equipment |
| JPH10290110A (en) * | 1997-04-15 | 1998-10-27 | Yazaki Corp | Display antenna center |
-
1997
- 1997-04-30 JP JP11300097A patent/JP3895427B2/en not_active Expired - Lifetime
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0983242A (en) * | 1995-09-13 | 1997-03-28 | Sharp Corp | Small-sized antenna and onboard front end in common use for light beacon and radio wave beacon |
| JPH10995A (en) * | 1996-06-17 | 1998-01-06 | Harness Sogo Gijutsu Kenkyusho:Kk | Housing of optical beacon antenna for automobile |
| JPH1070512A (en) * | 1996-06-17 | 1998-03-10 | Harness Sogo Gijutsu Kenkyusho:Kk | Optical head for on vehicle optical beacon |
| JPH1038991A (en) * | 1996-07-29 | 1998-02-13 | Matsushita Electric Works Ltd | Antenna device for vics |
| JPH10228813A (en) * | 1997-02-13 | 1998-08-25 | Hamamatsu Photonics Kk | Light projecting equipment |
| JPH10290110A (en) * | 1997-04-15 | 1998-10-27 | Yazaki Corp | Display antenna center |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017147671A (en) * | 2016-02-19 | 2017-08-24 | 住友電装株式会社 | Optical beacon on-vehicle device |
| JP2018037102A (en) * | 2017-11-22 | 2018-03-08 | 株式会社デンソー | On-vehicle optical transmission/reception device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3895427B2 (en) | 2007-03-22 |
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