JPS6112209B2 - - Google Patents

Info

Publication number
JPS6112209B2
JPS6112209B2 JP7977680A JP7977680A JPS6112209B2 JP S6112209 B2 JPS6112209 B2 JP S6112209B2 JP 7977680 A JP7977680 A JP 7977680A JP 7977680 A JP7977680 A JP 7977680A JP S6112209 B2 JPS6112209 B2 JP S6112209B2
Authority
JP
Japan
Prior art keywords
illuminance
horizontal
vertical
minimum value
maximum value
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.)
Expired
Application number
JP7977680A
Other languages
English (en)
Japanese (ja)
Other versions
JPS576325A (en
Inventor
Masayoshi Sakamoto
Yoshinori Tanabe
Junichi Hatayama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP7977680A priority Critical patent/JPS576325A/ja
Publication of JPS576325A publication Critical patent/JPS576325A/ja
Publication of JPS6112209B2 publication Critical patent/JPS6112209B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00Photometry, e.g. photographic exposure meter
    • G01J1/42Photometry, e.g. photographic exposure meter using electric radiation detectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
JP7977680A 1980-06-12 1980-06-12 Measuring device for intensity of illumination Granted JPS576325A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7977680A JPS576325A (en) 1980-06-12 1980-06-12 Measuring device for intensity of illumination

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7977680A JPS576325A (en) 1980-06-12 1980-06-12 Measuring device for intensity of illumination

Publications (2)

Publication Number Publication Date
JPS576325A JPS576325A (en) 1982-01-13
JPS6112209B2 true JPS6112209B2 (enrdf_load_stackoverflow) 1986-04-07

Family

ID=13699599

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7977680A Granted JPS576325A (en) 1980-06-12 1980-06-12 Measuring device for intensity of illumination

Country Status (1)

Country Link
JP (1) JPS576325A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104390698A (zh) * 2014-11-20 2015-03-04 厦门元谷信息科技有限公司 前置式现场动态测试道路照度的测量装置
JP6307475B2 (ja) * 2015-07-21 2018-04-04 株式会社トプコン 照度測定システム
JP6252808B2 (ja) * 2016-06-10 2017-12-27 東芝ライテック株式会社 測光システム
JP7116526B2 (ja) * 2016-11-24 2022-08-10 東芝ライテック株式会社 照明環境計測システム

Also Published As

Publication number Publication date
JPS576325A (en) 1982-01-13

Similar Documents

Publication Publication Date Title
NO932481L (no) Signalanlegg, særlig for veier
US20030128106A1 (en) Infrared road line detector
KR100328324B1 (ko) 자동차디스플레이시스템및주행거리측정장치
JP2008100677A (ja) 車両の進路変更を表示する方法と当該方法を実施するための装置
GB1523791A (en) Signal system for street intersections
JPS6112209B2 (enrdf_load_stackoverflow)
SE8602727L (sv) Anordning for att vid ett dragfordon indikera att en slepvagn er pakopplad
JPS5858483A (ja) 駐車スペ−ス確認装置
JPH06286539A (ja) 車線逸脱警報装置
SU794574A1 (ru) Способ автоматического обеспе-чЕНи бЕзОпАСНОй диСТАНции МЕждудВижущиМиС ТРАНСпОРТНыМиСРЕдСТВАМи
JPS6239512Y2 (enrdf_load_stackoverflow)
JPS5744541A (en) Change-over device for automatically lighting head lamp of automobile
JPS638507Y2 (enrdf_load_stackoverflow)
JPS588032B2 (ja) 車輪数計測方式
JPH0492395A (ja) 道路照明装置
JPS62121598A (ja) 光学式車両感知装置
KR100271883B1 (ko) 차량운행시 전방장애물 탐지방법 및 그 장치
JPH03281446A (ja) 車両用灯火装置
JPH04244439A (ja) 車両用ランプ装置
GB2207519A (en) Wheel alignment apparatus
JPS6131818B2 (enrdf_load_stackoverflow)
JPS6357256B2 (enrdf_load_stackoverflow)
JP2000323285A (ja) トンネル照明用自動調光装置
KR970000853A (ko) 자동차 헤드램프의 레벨 조절장치
ITTO941041A1 (it) Sistema di segnalazione automatico di situazioni stradali particolari di tipo segnaletico e/o topografico.