JPS63159339U - - Google Patents
Info
- Publication number
- JPS63159339U JPS63159339U JP5293387U JP5293387U JPS63159339U JP S63159339 U JPS63159339 U JP S63159339U JP 5293387 U JP5293387 U JP 5293387U JP 5293387 U JP5293387 U JP 5293387U JP S63159339 U JPS63159339 U JP S63159339U
- Authority
- JP
- Japan
- Prior art keywords
- threshold level
- light sensor
- comparison means
- vehicle
- signal
- 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
- 230000003287 optical effect Effects 0.000 claims 1
- 230000004397 blinking Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Description
第１図は本考案の一実施例による車両の前照灯
制御装置の構成を示すブロツク図、第２図は車両
がトンネルに入る場合の前方及び上方光センサと
フリツプフロツプの出力及び前照灯の点滅を示す
タイムチヤートである。
１……前方光センサ、２……上方光センサ、３
，６……波形整形回路、４……比較器（第１の比
較手段）、７……比較器（第２の比較手段）、８
……比較器（第３の比較手段）、５……閾値レベ
ル設定部（レベル設定手段）、９……前照灯駆動
回路、１０……前照灯。
Fig. 1 is a block diagram showing the configuration of a vehicle headlamp control device according to an embodiment of the present invention, and Fig. 2 shows the output of the forward and upper light sensors and flip-flops and the output of the headlamp when the vehicle enters a tunnel. This is a time chart showing blinking. 1...Front light sensor, 2...Upper light sensor, 3
, 6... Waveform shaping circuit, 4... Comparator (first comparing means), 7... Comparator (second comparing means), 8
... Comparator (third comparison means), 5 ... Threshold level setting section (level setting means), 9 ... Headlamp drive circuit, 10 ... Headlamp.
Claims (1)
照灯の自動制御装置であつて、 車両の上方に指向性を有する上方光センサと、 車両の前方に指向性を有する前方光センサと、 前記前方光センサから得られる信号を所定の第
１の閾値レベルと比較する第１の比較手段と、 前記第１の比較手段の出力が与えられたときに
前照灯の点灯レベルを第２の閾値レベルから第２
の閾値レベルより高い第３の閾値レベルに設定す
るレベル設定手段と、 前記上方光センサから得られる信号を前記レベ
ル設定手段により設定された第２及び第３の閾値
レベルのいずれか一方の閾値レベルと比較する第
２の比較手段と、 前記上方光センサから得られる信号を前記第３
の閾値レベルより高い第４の閾値レベルと比較す
る第３の比較手段と、 前記第２の比較手段より信号が与えられたとき
に前照灯を点灯させ前記第３の比較手段からの信
号が与えられたときに前照灯を消灯させる前照灯
駆動手段と、を有することを特徴とする車両の前
照灯自動制御装置。[Scope of Claim for Utility Model Registration] An automatic headlight control device that automatically turns on and off the headlights of a vehicle, comprising an upward light sensor that is directional toward the top of the vehicle, and a light sensor that is directional toward the front of the vehicle. a front light sensor having a front light sensor; a first comparison means for comparing a signal obtained from the front light sensor with a predetermined first threshold level; The lighting level of the light is changed from the second threshold level to the second threshold level.
level setting means for setting the signal obtained from the upper light sensor to a third threshold level higher than the threshold level of the second and third threshold levels set by the level setting means; a second comparison means for comparing the signal obtained from the upper optical sensor with the third
a third comparison means for comparing the signal with a fourth threshold level higher than the threshold level of the second comparison means; and a third comparison means for turning on the headlights when the signal from the third comparison means is given. 1. An automatic headlamp control device for a vehicle, comprising: a headlamp driving means that turns off the headlamp when a given signal is given.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5293387U JPS63159339U (en) | 1987-04-08 | 1987-04-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5293387U JPS63159339U (en) | 1987-04-08 | 1987-04-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63159339U true JPS63159339U (en) | 1988-10-19 |
Family
ID=30878537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5293387U Pending JPS63159339U (en) | 1987-04-08 | 1987-04-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63159339U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4743157B2 (en) * | 2007-05-09 | 2011-08-10 | 株式会社デンソー | Vehicle light on / off control device |
-
1987
- 1987-04-08 JP JP5293387U patent/JPS63159339U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4743157B2 (en) * | 2007-05-09 | 2011-08-10 | 株式会社デンソー | Vehicle light on / off control device |
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