JPS59135484U - Automotive rear monitoring device - Google Patents
Automotive rear monitoring deviceInfo
- Publication number
- JPS59135484U JPS59135484U JP2875583U JP2875583U JPS59135484U JP S59135484 U JPS59135484 U JP S59135484U JP 2875583 U JP2875583 U JP 2875583U JP 2875583 U JP2875583 U JP 2875583U JP S59135484 U JPS59135484 U JP S59135484U
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic transducer
- vehicle speed
- circuit
- output
- generates
- 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
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Length Measuring Devices With Unspecified Measuring Means (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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案による自動車用後方監視装置の一実施例
を示す回路図、第２図は第１図に於ける超音波送受波器
６．７の取付状態を示す側面図で 。
ある。
１・・・・・・後退車速検出回路、２・・・・・・比較
回路、３・・・・・・可変抵抗器、４・・・・・・リレ
ー駆動回路、５・・・・・・リレー、５ａ、 ５ｂ・・
・・・・接片、６．７・・・・・・超音波送受波器、＄
ａ、 ７ａ・・・・・・送波器、６ｂ、 ７ｂ・・・・
・・受波器、８・・・・・・超音波送受波器選択回路、
９・・・・・・超音波距離測定判別回路、１◎・・・・
・・ブザー。FIG. 1 is a circuit diagram showing an embodiment of a rear monitoring device for an automobile according to the present invention, and FIG. 2 is a side view showing how the ultrasonic transducer 6.7 in FIG. 1 is installed. be. 1... Reverse vehicle speed detection circuit, 2... Comparison circuit, 3... Variable resistor, 4... Relay drive circuit, 5...・Relay, 5a, 5b...
...Touch piece, 6.7...Ultrasonic transducer, $
a, 7a... Transmitter, 6b, 7b...
...Receiver, 8... Ultrasonic transducer selection circuit,
9... Ultrasonic distance measurement discrimination circuit, 1◎...
··buzzer.
Claims (1)
速パルスを入力とすることにより後退時に於ける車速に
応じた出力信号を廃生ずる後退車速検出回路と、前記後
退車速検出回路の出力信号が予め定められた設定置を越
えた時に出力を発生する比較回路と、自動車の後部に後
方を向けて固定された近距離監視用の第１超音波送受波
器および遠距離監視用の第２超音波送受波器と、通常時
は前記第１超音波送受波器を選択するとともに前記比較
器の出力発生時には前記第２超音波送受波器を選択する
超音波送受波器選択回路と、前記超音波送受波器選択回
路によって選択された第１または第′ ２超音波送
受波器を用いて距離測定を行なうとともにその測定値が
前記比較回路の出力状況に応じて選択される基準範囲に
含まれ゛ない時に警“報を発生させる超音波距離測定判
別回路とを備えた自動゛車用後方監視装置。° A backward vehicle speed detection circuit that receives a vehicle speed pulse emitted from a sensor that detects the rotation of the wheels and thereby eliminates an output signal corresponding to the vehicle speed when reversing, and an output signal of the reverse vehicle speed detection circuit is predetermined. a comparison circuit that generates an output when the set point is exceeded; a first ultrasonic transducer for short-range monitoring fixed at the rear of the vehicle facing rearward; and a second ultrasonic transducer for long-distance monitoring. an ultrasonic transducer selection circuit that normally selects the first ultrasonic transducer and selects the second ultrasonic transducer when the comparator generates an output; When distance measurement is performed using the first or second ultrasonic transducer selected by the device selection circuit, and the measured value is not included in the reference range selected according to the output status of the comparison circuit. A rear monitoring device for automobiles equipped with an ultrasonic distance measurement discrimination circuit that generates an alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2875583U JPS59135484U (en) | 1983-02-28 | 1983-02-28 | Automotive rear monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2875583U JPS59135484U (en) | 1983-02-28 | 1983-02-28 | Automotive rear monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59135484U true JPS59135484U (en) | 1984-09-10 |
Family
ID=30159636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2875583U Pending JPS59135484U (en) | 1983-02-28 | 1983-02-28 | Automotive rear monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59135484U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60130365A (en) * | 1983-12-19 | 1985-07-11 | Keisuke Yoshida | Boiling down material contained in filter bag |
-
1983
- 1983-02-28 JP JP2875583U patent/JPS59135484U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60130365A (en) * | 1983-12-19 | 1985-07-11 | Keisuke Yoshida | Boiling down material contained in filter bag |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4404541A (en) | Rear obstacle detecting system for automotive vehicles | |
| JPH08503785A (en) | Parking aid with wheel sensor | |
| JPS58162879A (en) | Range finder | |
| JPS59135484U (en) | Automotive rear monitoring device | |
| JPS64263B2 (en) | ||
| JPS6136896A (en) | Accident preventor for vehicle using infrared sensor | |
| JPS59169700U (en) | Approaching vehicle detection and warning system | |
| JPS6020950U (en) | Automobile collision warning system | |
| JP3101106B2 (en) | Automotive ultrasonic detector | |
| JPS5810198U (en) | Vehicle warning device | |
| JPS5985976U (en) | Automotive ultrasonic radar | |
| JPH0147722B2 (en) | ||
| JPS5968274U (en) | Automotive rear monitoring device | |
| JPS62170581U (en) | ||
| JPS6322545Y2 (en) | ||
| JPH0235016U (en) | ||
| JPS5842200Y2 (en) | rear monitoring device | |
| JPS6076554U (en) | Rear objective distance display device for automobiles | |
| JPS5865583U (en) | Rear obstacle warning device for vehicles | |
| JPS6017474U (en) | motorcycle | |
| JPH0458577B2 (en) | ||
| JPS5810199U (en) | Obstacle display device for vehicles | |
| JPS5828680A (en) | Rear obstacle display device for car | |
| JPS6217468U (en) | ||
| JPS588175U (en) | Automotive ultrasonic object detector |