JPH04257087A - Vehicle type discriminating device - Google Patents
Vehicle type discriminating deviceInfo
- Publication number
- JPH04257087A JPH04257087A JP3038942A JP3894291A JPH04257087A JP H04257087 A JPH04257087 A JP H04257087A JP 3038942 A JP3038942 A JP 3038942A JP 3894291 A JP3894291 A JP 3894291A JP H04257087 A JPH04257087 A JP H04257087A
- Authority
- JP
- Japan
- Prior art keywords
- vehicle
- axles
- type
- license plate
- vehicle type
- 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.)
- Withdrawn
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- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 101000710013 Homo sapiens Reversion-inducing cysteine-rich protein with Kazal motifs Proteins 0.000 description 1
- 101100150128 Schizosaccharomyces pombe (strain 972 / ATCC 24843) spo14 gene Proteins 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
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Abstract
Description
【０００１】0001
【産業上の利用分野】本発明は、有料道路の料金収受シ
ステムに適用される車種判別装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle type discrimination device applied to a toll collection system for a toll road.
【０００２】0002
【従来の技術】従来、有料道路の車種判別装置は、車両
の車軸数、車輪数、輪距（トレッド）、車幅等を計測し
て、それぞれの判別要素単独で通行車両の車種を判別す
る方式が一般的に方式としてある。また、車両のナンバ
プレート番号あるいはナンバプレートの大きさを識別し
て通行車両の車種を判別するなどが考えられている。[Prior Art] Conventionally, vehicle type identification devices on toll roads measure the number of axles, number of wheels, tread, vehicle width, etc. of a vehicle, and determine the type of vehicle passing by using each of the discrimination factors alone. There is generally a method. It has also been considered to identify the type of vehicle passing by by identifying the vehicle's license plate number or the size of the license plate.
【０００３】0003
【発明が解決しようとする課題】上記したように車両の
車軸数、車輪数、輪距、車幅を計測する踏板等の計測方
式、あるいは車両のナンバプレートの大きさ、車種番号
を識別する画像処理装置等の装置単体では完全な車種判
別を行なうことは困難である。[Problems to be Solved by the Invention] As mentioned above, there is a measurement method such as a tread plate for measuring the number of axles, number of wheels, wheel width, and width of a vehicle, or an image that identifies the size of a vehicle's license plate and the vehicle model number. It is difficult to completely identify the vehicle type using a single device such as a processing device.
【０００４】例えば日本道路公団の有料道路では、図４
に示す５車種区分別の料金徴収を行なっている。[0004]For example, on the Japan Highway Public Corporation's toll roads,
Tolls are collected for each of the five vehicle categories shown below.
【０００５】また、図５から分かるように車種１（普通
車）と車種５（軽二）においては、車両のナンバプレー
トの大きさ及び車種番号が混在しており、なお且つ車長
情報においても３．３ｍ以下の小型乗用車があり、さら
には軽四輪で予備タイヤ及び積み荷の食み出し等により
３．３ｍ以上の車長となる車両があり、これらの車両を
正確に車種判別を行なうことが要求される。Furthermore, as can be seen from FIG. 5, the size of the license plate and the model number of the vehicle are mixed for vehicle type 1 (regular car) and vehicle type 5 (light bike), and the vehicle length information also differs. There are small passenger cars that are 3.3m or less in length, and there are also light four-wheeled vehicles that are longer than 3.3m due to extra tires and cargo, etc., so it is necessary to accurately identify the type of vehicle. is required.
【０００６】本発明は上記実情に鑑みてなされたもので
、各種車両に対する車種判別を正確に行ない得る車種判
別装置を提供することを目的とする。The present invention has been made in view of the above-mentioned circumstances, and an object of the present invention is to provide a vehicle type discriminating device that can accurately discriminate the types of various vehicles.
【０００７】[0007]
【課題を解決するための手段】本発明は、車両の通過検
出及び前後進判別が可能な車両分離器と、通過車両の車
軸数、輪距、軸数の計測が可能な軸輪検知器と、上記車
両分離器の位置から一定距離を保って設置されて車両の
長さを検知する車長検知器と、車両のナンバプレート部
分を撮影するカメラと、このカメラにより撮影した画像
情報に基づいて車両のナンバプレートサイズ及び車種番
号２桁を認識する画像処理装置を備え、上記車両分離器
、軸輪検知器、車長検知器、画像処理装置からの信号に
基づいて車種を判別する車種判別制御部を具備したこと
を特徴とするものである。[Means for Solving the Problems] The present invention provides a vehicle separator capable of detecting the passing of a vehicle and determining whether the vehicle is moving forward or backward, and an axle wheel detector capable of measuring the number of axles, wheel width, and number of axles of a passing vehicle. , a vehicle length detector that is installed at a certain distance from the vehicle separator to detect the length of the vehicle, a camera that photographs the license plate part of the vehicle, and a camera that photographs the vehicle's license plate, based on the image information photographed by this camera. Vehicle type discrimination control that includes an image processing device that recognizes the license plate size and two-digit vehicle model number of a vehicle, and discriminates the vehicle type based on signals from the vehicle separator, axle detector, vehicle length detector, and image processing device. It is characterized by having a section.
【０００８】[0008]
【作用】車両分離器で通行車両の通過検出及び前後進の
判別を行なうと共に、軸輪検知器により車両の車軸数、
輪距、軸数を計測する。また、車長検知器と検知出力と
車両分離器の通過検出信号との組み合わせによって車両
の長さを計測し、更にカメラで車両のナンバプレート部
分を撮影してその画像情報からナンバプレートのサイズ
及び車種番号を認識する。そして、車両の軸数、車長、
ナンバプレートサイズ、シャシュ番号２桁により、例え
ば図４に示されるような車種区分に従って通行車両の車
種を判別する。[Operation] The vehicle separator detects passing vehicles and determines whether they are moving forward or backward, and the axle detector detects the number of axles of the vehicle.
Measure wheel width and number of axles. In addition, the length of the vehicle is measured by a combination of the vehicle length detector, the detection output, and the passing detection signal of the vehicle separator.Further, the license plate portion of the vehicle is photographed with a camera, and the size and size of the license plate are determined from the image information. Recognize vehicle model number. Then, the number of vehicle axles, vehicle length,
Based on the license plate size and two-digit chassis number, the type of passing vehicle is determined according to the type classification shown in FIG. 4, for example.
【０００９】[0009]
【実施例】図１は本発明の一実施例に係る車種判別装置
のシステム構成図である。図１において、１は通行車両
、２は車両分離器である。この車両分離器２は、通過車
両１の通過検出を行なうもので、光電管を用いた投光器
２−１、受光器２−２により構成されている。３は軸輪
検知器で、通過車両１の車軸数・輪数・輪距及び前後進
判別を行なう。DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a system configuration diagram of a vehicle type discrimination device according to an embodiment of the present invention. In FIG. 1, 1 is a passing vehicle and 2 is a vehicle separator. This vehicle separator 2 detects the passing of a passing vehicle 1, and is composed of a light projector 2-1 using a phototube and a light receiver 2-2. Reference numeral 3 denotes an axle detector, which determines the number of axles, number of wheels, wheel width, and forward and backward movement of the passing vehicle 1.
【００１０】４は車長検知器で、投光器４−１、受光器
４−２により構成されており、例えば車両分離器２から
３．３ｍ離れて設置されている。５はカメラであり、通
行車両の前面画像を撮影し、その画像情報を画像処理装
置６に送出する。この画像処理装置６は、上記カメラ５
からの画像情報を受取り、ナンバプレートのサイズ及び
車種番号を２桁認識し、車種判別制御部７に出力する。Reference numeral 4 denotes a vehicle length detector, which is composed of a light emitter 4-1 and a light receiver 4-2, and is installed at a distance of, for example, 3.3 m from the vehicle separator 2. A camera 5 takes a front image of a passing vehicle and sends the image information to an image processing device 6. This image processing device 6 includes the camera 5
It receives the image information from , recognizes the size of the license plate and the two-digit vehicle model number, and outputs it to the vehicle model discrimination control section 7 .
【００１１】車種判別制御部７は、車両分離器２からの
車両通過中信号により、車両通過中に軸輪検知器３で車
軸数、輪数、輪距を計測し、また、車長検知器４からの
車長検知情報、画像処理装置６からのナンバプレートサ
イズ及び車種番号を２桁を受取り、通行車両の車種を判
別して上位装置に伝送する。The vehicle type discrimination control unit 7 measures the number of axles, the number of wheels, and the wheel distance using the axle wheel detector 3 while the vehicle is passing, based on the vehicle passing signal from the vehicle separator 2, and also measures the number of axles, the number of wheels, and the wheel length using the vehicle length detector 3. It receives the vehicle length detection information from 4, the two-digit license plate size and vehicle model number from the image processing device 6, determines the model of the passing vehicle, and transmits it to the host device.
【００１２】図２は、本発明に係る車種判別装置の制御
ブロック図である。車両分離器２から出力される車両通
過信号ｃは、画像処理装置６及び車種判別制御部７に送
られる。画像処理装置６は、車両分離器２からの車両通
過信号ｃを検出することにより、カメラ５に同期信号ａ
を出力する。カメラ５は同期信号ａに同期して車両の前
面を撮影し、その画像信号ｂを画像処理装置６に出力す
る。この画像処理装置６は、画像信号ｂからナンバプレ
ートサイズ及び車種番号２桁を認識し、ナンバプレート
情報ｅを車種判別制御部７へ出力する。この車種判別制
御部７には、更に車長検知器４から車長信号ｄが与えら
れると共に、軸輪検知器３から抵抗変化信号ｆ及び平型
信号ｇが与えられる。上記車種判別制御部７は、車両分
離器２からの車両通過信号ｃと車長検知器４からの車長
信号ｄとを組み合わせて通行車両の車長計測を行なう。FIG. 2 is a control block diagram of the vehicle type discrimination device according to the present invention. The vehicle passing signal c output from the vehicle separator 2 is sent to the image processing device 6 and the vehicle type discrimination control section 7. The image processing device 6 detects the vehicle passage signal c from the vehicle separator 2 and sends the synchronization signal a to the camera 5.
Output. The camera 5 photographs the front of the vehicle in synchronization with the synchronization signal a, and outputs the image signal b to the image processing device 6. This image processing device 6 recognizes the license plate size and the two-digit vehicle model number from the image signal b, and outputs license plate information e to the vehicle model discrimination control section 7. The vehicle type discrimination control section 7 is further supplied with a vehicle length signal d from the vehicle length detector 4, and is also supplied with a resistance change signal f and a flat signal g from the axle wheel detector 3. The vehicle type discrimination control section 7 combines the vehicle passing signal c from the vehicle separator 2 and the vehicle length signal d from the vehicle length detector 4 to measure the length of the passing vehicle.
【００１３】上記軸輪検知器３は、内部に埋設された平
型接点８（８−１，８−２，８−３，８−４）及び抵抗
型接点９を備えている。平型接点８は、車両の前進、後
進通過を検出するためのもので、車両の進行方向に対し
て直角方向に複数個埋設されており、車両の通過により
平型信号ｇを車種判別制御部７に出力する。抵抗型接点
９は、車両の車輪踏圧と同時に車輪のタイヤ幅分だけの
抵抗変化を生じ、その抵抗変化信号ｆを車種判別制御部
７に出力する。The shaft wheel detector 3 includes flat contacts 8 (8-1, 8-2, 8-3, 8-4) and resistance contacts 9 buried inside. The flat contacts 8 are for detecting whether the vehicle is passing forward or backward, and a plurality of flat contacts 8 are buried in a direction perpendicular to the direction of travel of the vehicle. Output to 7. The resistance type contact 9 causes a resistance change corresponding to the tire width of the wheel at the same time as the vehicle wheel depression pressure, and outputs the resistance change signal f to the vehicle type discrimination control section 7.
【００１４】次に上記実施例の動作を上記図１及び図２
に基づき、図３に示す車種判別フローに従って説明する
。先ず、通行車両１が車両分離器２の設置部分に差し掛
かると、車両分離器２から車両通過信号ｃが出力され、
画像処理装置６及び車種判別制御部７へ送られる。
画像処理装置６は、車両分離器２からの車両通過信号ｃ
を検出すると、カメラ５に同期信号ａを出力する。カメ
ラ５は、同期信号ａによりシャッターを切り、車両前面
を撮影して画像信号ｂを画像処理装置６に出力する。Next, the operation of the above embodiment will be explained with reference to FIGS. 1 and 2.
Based on this, the description will be made according to the vehicle type discrimination flow shown in FIG. First, when the passing vehicle 1 approaches the installation area of the vehicle separator 2, the vehicle passing signal c is outputted from the vehicle separator 2.
The data is sent to the image processing device 6 and the vehicle type discrimination control section 7. The image processing device 6 receives the vehicle passing signal c from the vehicle separator 2.
When detected, a synchronization signal a is output to the camera 5. The camera 5 releases the shutter in response to the synchronization signal a, photographs the front of the vehicle, and outputs an image signal b to the image processing device 6.
【００１５】画像処理装置６は、上記画像信号ｂを受取
り、車両のナンバプレートサイズ及び車種番号２桁を認
識し、ナンバプレート情報ｅとして車種判別制御部７へ
出力する。The image processing device 6 receives the image signal b, recognizes the license plate size and the two-digit vehicle model number of the vehicle, and outputs it to the vehicle model discrimination control unit 7 as license plate information e.
【００１６】次に車両１が進行し、第１軸及び第２軸が
軸輪検知器３の位置を通過すると、車輪が平型接点８を
押圧することにより、軸輪検知器３から平型信号ｇが車
種判別制御部７へ送られる。車種判別制御部７は、平型
信号ｇにより平型接点８の押圧順番８−１→８−２→８
−３→８−４を計測し、車輪の前進、後進判別を行なう
と共に、車軸数の計測を行なう。Next, when the vehicle 1 moves forward and the first axle and the second axle pass the position of the axle wheel detector 3, the wheels press the flat contact point 8, so that the flat contact point 8 is removed from the axle wheel detector 3. A signal g is sent to the vehicle type discrimination control section 7. The vehicle type discrimination control unit 7 changes the pressing order of the flat contacts 8 from 8-1 to 8-2 to 8 based on the flat type signal g.
-3→8-4 is measured to determine whether the wheels are moving forward or backward, and the number of axles is also measured.
【００１７】また、車両の車輪が平型接点８を押圧する
と同時に抵抗型接点９を押圧し、車輪の押圧による抵抗
値の変化が抵抗変化信号ｆとして車種判別制御部７に送
られる。車種判別制御部７は、抵抗変化信号ｆを受け取
ることにより、輪距及び第２軸目の輪数を計測する。Furthermore, the vehicle wheel presses the flat contact 8 and at the same time presses the resistance type contact 9, and the change in resistance value due to the pressure of the wheel is sent to the vehicle type discrimination control section 7 as a resistance change signal f. The vehicle type discrimination control unit 7 measures the wheel distance and the number of wheels on the second axle by receiving the resistance change signal f.
【００１８】通行車両１が更に進み、車両分離器２を通
過した時点で、車種判別制御部７は車両分離器２から３
．３ｍ離れて設置されている車長検知器４の車長信号ｄ
を計測する。When the passing vehicle 1 further advances and passes the vehicle separator 2, the vehicle type discrimination control section 7 distinguishes between the vehicle separators 2 and 3.
．． Vehicle length signal d from vehicle length detector 4 installed 3 meters away
Measure.
【００１９】車種判別制御部７は、上記計測したナンバ
プレートサイズ及び車軸番号２桁、輪距、車軸数、第２
軸目の輪数、車長を基に図３に示す車種判別フローによ
り図４に示す車種区分を判別する。The vehicle type discrimination control unit 7 uses the measured license plate size, two-digit axle number, wheel width, number of axles, and second
Based on the number of wheels on the axle and the vehicle length, the vehicle type classification shown in FIG. 4 is determined according to the vehicle type determination flow shown in FIG. 3.
【００２０】以下、図３に示す車種判別フローに従って
車種判別処理動作を説明する。まず、車長情報の判別ス
テップｓｔ１ によって車長が３．３ｍ以上か否かを判
別し、３．３ｍ以上の車両についてはナンバプレートの
有無（ｓｔ２ ）及びナンバプレートサイズ判別（ｓｔ
３ ）を行なう。ナンバプレートが大板の車両は、ナン
バプレートの車種番号の上位桁を判別し（ｓｔ４ ）、
（１）の場合はｓｔ５ に進んで軸数を判別する。そし
て、軸数が５以上の場合は特大車、３軸以下は大型車と
し、４軸の場合は２軸目の輪数を判別し（ｓｔ６ ）、
４軸車は特大車、２軸車は大型車とする。The vehicle type discrimination processing operation will be explained below according to the vehicle type discrimination flow shown in FIG. First, it is determined whether the vehicle length is 3.3 m or more in a vehicle length information determination step st1, and for vehicles that are 3.3 m or more, the presence or absence of a license plate (st2) and the license plate size determination (st
3). For vehicles with large license plates, the high-order digits of the vehicle model number on the license plate are determined (st4),
In case (1), proceed to st5 and determine the number of axes. Then, if the number of axles is 5 or more, it is considered an oversized vehicle, if it is 3 or less, it is considered a large vehicle, and in the case of 4 axles, the number of wheels on the second axle is determined (st6),
4-axle vehicles are considered extra-large vehicles, and 2-axle vehicles are considered large-sized vehicles.
【００２１】上記ｓｔ２ でナンバプレート無、ｓｔ３
でナンバプレートサイズ不明、及びｓｔ４ で車種番
号（２），（８），不明、と判別された車両は、ｓｔ７
に進んで軸数を判別し、軸数が５軸以上の場合は特大
車、３軸以下は車種Ｘ（不明車）とし、４軸の場合はｓ
ｔ８ において更に軸数を判別し、４軸車は特大車、２
軸車は車種Ｘとする。[0021] No license plate in st2, st3
Vehicles whose license plate size is unknown at st4 and vehicle model number (2), (8), unknown at st4,
Proceed to step 1 to determine the number of axles. If the number of axles is 5 or more, it is designated as an extra large vehicle, if it is 3 or less, it is designated as vehicle type X (unknown vehicle), and in the case of 4 axles, it is designated as s.
At t8, the number of axles is further determined, and a 4-axle vehicle is an extra-large vehicle, and a 2-axle vehicle is an oversized vehicle.
The axle is model X.
【００２２】上記ｓｔ３ でナンバプレートサイズが中
板と判別された車両は、ｓｔ９ に進んでナンバプレー
ト車種番号の上位桁を判別し、（１），（２）の場合は
ｓｔ１０に進んで軸数を判別し、３軸以上は大型車、２
軸は中型車とする。また、ｓｔ９ で車種番号（９）と
判別されたものは特大車、（８）又は不明は車種Ｘとし
、車種番号（３），（４），（５），（６），（７）は
ｓｔ１１に進んで車種番号を判別する。ここで車種５（
軽二）の予備タイヤ及び積荷はみ出しの判別として、ナ
ンバプレート車種番号２桁で（４０），（４１），（４
３），（５０），（８０）の車両は、ｓｔ１５へ、それ
以外の車種番号はｓｔ１２に進んで軸数を判別し、３軸
以上は中型車、２軸は普通車とする。[0022] If the license plate size of the vehicle is determined to be medium in st3, the process proceeds to st9, where the upper digits of the license plate model number are determined, and in the case of (1) or (2), the process proceeds to st10, where the number of axles is determined. 3 or more axles are large vehicles, 2 axles or more.
The axle will be a medium-sized car. Also, if the car model number is determined to be (9) in st9, it is an oversized car, if it is (8) or unknown, it is a car model X, and if the car model number is (3), (4), (5), (6), or (7), Proceed to st11 to determine the vehicle model number. Here, car type 5 (
To determine whether a spare tire or cargo is protruding from a light vehicle (2), the two-digit vehicle model number on the license plate (40), (41), (4)
3), (50), and (80) vehicles go to st15, and other vehicle model numbers go to st12 to determine the number of axles, and those with three or more axles are considered medium-sized cars, and those with two axles are considered regular cars.
【００２３】また、上記ｓｔ１ において車長が３．３
ｍより小さいと判別した車両は、ｓｔ１３，ｓｔ１４で
ナンバプレートサイズ、車種番号を判別し、ナンバプレ
ートが中板で且つナンバプレート番号２桁が（４４）〜
（４９），（４２），（５１）〜（５９）の車両（ミニ
クーパ等車両で３．３ｍ以下の小型乗用車）はｓｔ１２
で上記の判別を行ない、ｓｔ１１でその他の車両と判別
されたものは、ｓｔ１５に進んで軸数を判別し、３軸以
上は中型車、二軸は軽二とする。[0023] Also, in the above st1, the vehicle length is 3.3
For vehicles determined to be smaller than m, the license plate size and vehicle model number are determined in st13 and st14, and the license plate is a medium plate and the two-digit license plate number is (44) ~
Vehicles (49), (42), (51) to (59) (small passenger cars of 3.3 m or less such as Mini Cooper) are st12
The above determination is made in ST11, and if the vehicle is determined to be another vehicle in ST11, the process proceeds to ST15 where the number of axles is determined, and a vehicle with three or more axles is considered a medium-sized vehicle, and a vehicle with two axles is determined to be a mini-vehicle.
【００２４】[0024]
【発明の効果】以上詳記したように本発明によれば、一
般的な車種区分だけでなく、変則的な車両例えば車長が
３．３ｍ以下の普通車及び予備タイヤ、積荷はみだしに
より車長が３．３ｍ以上となる軽二についても正確に車
種判別が可能となる。As described in detail above, according to the present invention, not only general vehicle classifications but also irregular vehicles such as ordinary vehicles with a vehicle length of 3.3 m or less, spare tires, and vehicle lengths due to protruding cargo. This makes it possible to accurately identify the vehicle type even for light motorcycles with a length of 3.3 m or more.
【図１】本発明の一実施例に係る車種判別装置の構成図
。FIG. 1 is a configuration diagram of a vehicle type discrimination device according to an embodiment of the present invention.
【図２】図１の車種判別装置の制御ブロック図。FIG. 2 is a control block diagram of the vehicle type discrimination device shown in FIG. 1.
【図３】本発明の動作を説明するための車種判別フロー
チャート。FIG. 3 is a vehicle type determination flowchart for explaining the operation of the present invention.
【図４】車種区分による車種判別図。[Fig. 4] Diagram for determining vehicle types based on vehicle type classification.
【図５】車種区分による車種判別図。[Fig. 5] Diagram for determining vehicle types based on vehicle type classification.
１…通行車両、２…車両分離器、３…軸輪検知器、４…
車長検知器、５…カメラ、６…画像処理装置、７…車種
判別制御部、８…平型接点、９…抵抗型接点。1... Passing vehicle, 2... Vehicle separator, 3... Axle wheel detector, 4...
Vehicle length detector, 5...Camera, 6...Image processing device, 7...Vehicle type discrimination control section, 8...Flat type contact, 9...Resistance type contact.
Claims (1)
な車両分離器と、通過車両の車軸数、輪距、軸数の計測
が可能な軸輪検知器と、車両の長さを検知する車長検知
器、車両のナンバプレート部分を撮影するカメラと、こ
のカメラにより撮影した画像情報に基づいて車両のナン
バプレートサイズ及び車種番号２桁を認識する画像処理
装置と、上記車両分離器、軸輪検知器、車長検知器、画
像処理装置からの信号に基づいて車種を判別する車種判
別制御手段とを具備したことを特徴とする車種判別装置
。[Claim 1] A vehicle separator capable of detecting the passage of a vehicle and determining whether it is moving forward or backward, an axle detector capable of measuring the number of axles, wheel width, and number of axles of a passing vehicle, and a vehicle length detector. A vehicle length detector, a camera that photographs the license plate portion of the vehicle, an image processing device that recognizes the license plate size and two-digit vehicle model number of the vehicle based on the image information photographed by this camera, the vehicle separator, and the shaft. A vehicle type discrimination device comprising a wheel detector, a vehicle length detector, and a vehicle type discrimination control means for discriminating the vehicle type based on a signal from an image processing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3038942A JPH04257087A (en) | 1991-02-12 | 1991-02-12 | Vehicle type discriminating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3038942A JPH04257087A (en) | 1991-02-12 | 1991-02-12 | Vehicle type discriminating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04257087A true JPH04257087A (en) | 1992-09-11 |
Family
ID=12539281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3038942A Withdrawn JPH04257087A (en) | 1991-02-12 | 1991-02-12 | Vehicle type discriminating device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04257087A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996026857A1 (en) * | 1995-02-28 | 1996-09-06 | Siemens Aktiengesellschaft | Method of checking train-announcement data sets via the composition of a vehicle assembly |
| JP2000353291A (en) * | 1999-06-10 | 2000-12-19 | Nec Corp | Number of axel detecting device for vehicle |
| US8326032B2 (en) | 2008-09-16 | 2012-12-04 | Ricoh Company, Limited | Image processing apparatus, image processing method, and computer program product |
| DE102016209259A1 (en) * | 2016-05-27 | 2017-11-30 | Thales Deutschland Gmbh | Method for determining a train class, a device for detecting a train class, control system |
-
1991
- 1991-02-12 JP JP3038942A patent/JPH04257087A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996026857A1 (en) * | 1995-02-28 | 1996-09-06 | Siemens Aktiengesellschaft | Method of checking train-announcement data sets via the composition of a vehicle assembly |
| US6029103A (en) * | 1995-02-28 | 2000-02-22 | Siemens Aktiengesellschaft | Method of checking train-announcement data sets via a composition of a vehicle |
| JP2000353291A (en) * | 1999-06-10 | 2000-12-19 | Nec Corp | Number of axel detecting device for vehicle |
| US8326032B2 (en) | 2008-09-16 | 2012-12-04 | Ricoh Company, Limited | Image processing apparatus, image processing method, and computer program product |
| DE102016209259A1 (en) * | 2016-05-27 | 2017-11-30 | Thales Deutschland Gmbh | Method for determining a train class, a device for detecting a train class, control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Application deemed to be withdrawn because no request for examination was validly filed |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 19980514 |