JPS6240661U - - Google Patents
Info
- Publication number
- JPS6240661U JPS6240661U JP13022285U JP13022285U JPS6240661U JP S6240661 U JPS6240661 U JP S6240661U JP 13022285 U JP13022285 U JP 13022285U JP 13022285 U JP13022285 U JP 13022285U JP S6240661 U JPS6240661 U JP S6240661U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- converting
- light
- zoom lens
- pulse
- 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.)
- Pending
Links
- 239000004065 semiconductor Substances 0.000 claims description 3
- 230000003321 amplification Effects 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 1
Description
第１図はこの考案による通行車両計数装置の一
実施例の全体構成図、第２図は受光器の動作説明
用線図、第３図は従来の通行車両計数装置の説明
図である。
図において、１は中央分離線、２は路肩又は歩
道の境界線、３はレーザ・ビーム、４は視野角、
５は発光器、６は半導体レーザ・ダイオード、７
はドライブ回路、８は受光器、９はズーム・レン
ズ、１０はフオト・ダイオード、１１は増幅回路
、１２はシユミツト回路、１３は微分回路、１４
は単安定マルチ回路、１５は電磁カウンタ、１６
は検知範囲、１７はシユミツト回路１２の動作レ
ベル、２１はレーダ・スピードメータ、２２は電
波ビーム、２３は圧力検知器、２４は発受光器、
２５は反射板、Ｃは車両である。なお、各図中同
一符号は同一又は相当部分を示す。
FIG. 1 is an overall configuration diagram of an embodiment of a passing vehicle counting device according to this invention, FIG. 2 is a diagram for explaining the operation of a light receiver, and FIG. 3 is an explanatory diagram of a conventional passing vehicle counting device. In the figure, 1 is the median line, 2 is the boundary line of the road shoulder or sidewalk, 3 is the laser beam, 4 is the viewing angle,
5 is a light emitter, 6 is a semiconductor laser diode, 7
is a drive circuit, 8 is a light receiver, 9 is a zoom lens, 10 is a photo diode, 11 is an amplifier circuit, 12 is a Schmitt circuit, 13 is a differential circuit, 14
is a monostable multi-circuit, 15 is an electromagnetic counter, 16
is a detection range, 17 is an operation level of the Schmitt circuit 12, 21 is a radar speedometer, 22 is a radio beam, 23 is a pressure detector, 24 is a light emitting/receiving device,
25 is a reflector, and C is a vehicle. Note that the same reference numerals in each figure indicate the same or corresponding parts.
Claims (1)
・ダイオードと前記半導体レーザ・ダイオードを
電気的に駆動するためのドライブ回路とを収容し
た発光器、ならびに前記レーザ・ビームが通行す
る車両によつて拡散反射される成分を受光する視
野角を調節するためのズーム・レンズと、前記ズ
ーム・レンズを通過した受光成分を電気信号に変
換するためのフオト・ダイオードと、前記電気信
号に対する増幅回路と、前記増幅回路の出力波形
を矩形波形に変換するためのシユミツト回路と、
前記矩形波形をトリガ信号に変換するための微分
回路と、前記トリガ信号により時間幅一定のパル
スを発生するための単安定マルチ回路と、前記パ
ルスにより駆動される電磁カウンタとを収容した
受光器を備えたことを特徴とする通行車両計数装
置。 a light emitter that houses a semiconductor laser diode that constantly emits a laser beam and a drive circuit for electrically driving the semiconductor laser diode, and the laser beam is diffusely reflected by passing vehicles. a zoom lens for adjusting a viewing angle for receiving a component of light; a photo diode for converting the received light component that has passed through the zoom lens into an electrical signal; an amplification circuit for the electrical signal; a Schmitt circuit for converting the output waveform of the into a rectangular waveform;
A light receiver that includes a differentiating circuit for converting the rectangular waveform into a trigger signal, a monostable multi-circuit for generating a pulse with a constant time width using the trigger signal, and an electromagnetic counter driven by the pulse. A passing vehicle counting device characterized by comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13022285U JPS6240661U (en) | 1985-08-27 | 1985-08-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13022285U JPS6240661U (en) | 1985-08-27 | 1985-08-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6240661U true JPS6240661U (en) | 1987-03-11 |
Family
ID=31027511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13022285U Pending JPS6240661U (en) | 1985-08-27 | 1985-08-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6240661U (en) |
-
1985
- 1985-08-27 JP JP13022285U patent/JPS6240661U/ja active Pending
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