JPS59116874U - Optical vehicle obstacle detection device - Google Patents
Optical vehicle obstacle detection deviceInfo
- Publication number
- JPS59116874U JPS59116874U JP1065483U JP1065483U JPS59116874U JP S59116874 U JPS59116874 U JP S59116874U JP 1065483 U JP1065483 U JP 1065483U JP 1065483 U JP1065483 U JP 1065483U JP S59116874 U JPS59116874 U JP S59116874U
- Authority
- JP
- Japan
- Prior art keywords
- pulse
- optical pulse
- output
- optical
- detection device
- 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
Landscapes
- Optical Radar Systems And Details Thereof (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はこの考案による先代車輌障害物検知装置の一例
を示すブロック図、第２図は、車輌障害物検知装置を車
輛に取付けた状態を示す上面図、第３図及び第４図はそ
れぞれこの考案の検知装置の動作の説明に供する□為の
波形図、第５図はこの考案の検知装置の一部変形例を示
すブロック図である。
１１：発振器、１２：発光素子、１３：受光素子、１４
：Ｐ波増幅器、１５ニジきい値回路、１６：報知手段、
２２：検知ユニット、１７：分周回路、１８：報知用発
光ダイオード。Figure 1 is a block diagram showing an example of the previous vehicle obstacle detection device according to this invention, Figure 2 is a top view showing the vehicle obstacle detection device installed in a vehicle, and Figures 3 and 4 are respectively FIG. 5 is a waveform diagram for explaining the operation of the detecting device of this invention. FIG. 5 is a block diagram showing a partial modification of the detecting device of this invention. 11: Oscillator, 12: Light emitting element, 13: Light receiving element, 14
: P wave amplifier, 15 rainbow threshold circuit, 16: Notification means,
22: Detection unit, 17: Frequency dividing circuit, 18: Notification light emitting diode.
Claims (1)
パルス送信器と、上記車輛に取付けられ上記光パルスの
反射光を受光して電気パルスに変換する受光素子と、そ
の電気パルスを、上記光パルスの繰返し周波数以上の周
波数を増幅するｐ波増幅器と、そのろ波増幅器の出力側
に設けられ、所定レベル以上の信号に対し、上記受信光
パルスのレベルが比較的小さい場合は、各光パルスにつ
いて１つの出力パルスとして出力し、上記受信光パルス
のレベルが大きい場所は各１つの光パルスに対して２つ
の出力パルスを出力するしきい値回路と、そのしきい値
回路の出力が供給されて、上記１光パルスに対する１出
力パルスと、１光パルスに対する２出力パルスとを区別
して報知する報知器とを具備する先代車輌障害物検知装
置。an optical pulse transmitter attached to a vehicle that repeatedly emits optical pulses backward; a light receiving element attached to the vehicle that receives the reflected light of the optical pulse and converts it into an electric pulse; A p-wave amplifier that amplifies frequencies higher than the pulse repetition frequency and a filtering amplifier are provided on the output side of the filter amplifier. The area where the level of the received optical pulse is high is provided with a threshold circuit that outputs two output pulses for each optical pulse, and the output of the threshold circuit is supplied. and an annunciator that distinguishes and notifies one output pulse for one optical pulse and two output pulses for one optical pulse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1065483U JPS59116874U (en) | 1983-01-28 | 1983-01-28 | Optical vehicle obstacle detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1065483U JPS59116874U (en) | 1983-01-28 | 1983-01-28 | Optical vehicle obstacle detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59116874U true JPS59116874U (en) | 1984-08-07 |
Family
ID=30142091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1065483U Pending JPS59116874U (en) | 1983-01-28 | 1983-01-28 | Optical vehicle obstacle detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59116874U (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5227479U (en) * | 1975-08-13 | 1977-02-25 | ||
| JPS5385025A (en) * | 1976-12-29 | 1978-07-27 | Nagoya Denki Kogyo Kk | Object detecting apparatus |
| JPS56135352A (en) * | 1980-03-24 | 1981-10-22 | Matsushita Electric Ind Co Ltd | Collision alarm system |
| JPS57128868A (en) * | 1981-02-03 | 1982-08-10 | Nippon Soken Inc | Display device for obstacle at back for car |
-
1983
- 1983-01-28 JP JP1065483U patent/JPS59116874U/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5227479U (en) * | 1975-08-13 | 1977-02-25 | ||
| JPS5385025A (en) * | 1976-12-29 | 1978-07-27 | Nagoya Denki Kogyo Kk | Object detecting apparatus |
| JPS56135352A (en) * | 1980-03-24 | 1981-10-22 | Matsushita Electric Ind Co Ltd | Collision alarm system |
| JPS57128868A (en) * | 1981-02-03 | 1982-08-10 | Nippon Soken Inc | Display device for obstacle at back for car |
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