JPH0421281B2 - - Google Patents

Info

Publication number
JPH0421281B2
JPH0421281B2 JP59259497A JP25949784A JPH0421281B2 JP H0421281 B2 JPH0421281 B2 JP H0421281B2 JP 59259497 A JP59259497 A JP 59259497A JP 25949784 A JP25949784 A JP 25949784A JP H0421281 B2 JPH0421281 B2 JP H0421281B2
Authority
JP
Japan
Prior art keywords
traffic volume
tunnel
hourly traffic
light
light distribution
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 - Lifetime
Application number
JP59259497A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61138404A (ja
Inventor
Yoshinori Tanabe
Kojiro Yoshikawa
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 JP59259497A priority Critical patent/JPS61138404A/ja
Publication of JPS61138404A publication Critical patent/JPS61138404A/ja
Publication of JPH0421281B2 publication Critical patent/JPH0421281B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
JP59259497A 1984-12-07 1984-12-07 トンネル照明装置 Granted JPS61138404A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59259497A JPS61138404A (ja) 1984-12-07 1984-12-07 トンネル照明装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59259497A JPS61138404A (ja) 1984-12-07 1984-12-07 トンネル照明装置

Publications (2)

Publication Number Publication Date
JPS61138404A JPS61138404A (ja) 1986-06-25
JPH0421281B2 true JPH0421281B2 (de) 1992-04-09

Family

ID=17334915

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59259497A Granted JPS61138404A (ja) 1984-12-07 1984-12-07 トンネル照明装置

Country Status (1)

Country Link
JP (1) JPS61138404A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4651528B2 (ja) * 2005-12-16 2011-03-16 小糸工業株式会社 点灯制御装置および照明装置
JP2011253772A (ja) * 2010-06-03 2011-12-15 Panasonic Electric Works Co Ltd 配光可変式照明器具及びそれを用いた道路用照明システム
EP2839718B1 (de) 2012-07-17 2016-04-27 Koninklijke Philips N.V. Beleuchtungsvorrichtung und verfahren zur steuerung davon zur selektiven lichtabgabe entlang einer oder gegen eine verkehrsrichtung

Also Published As

Publication number Publication date
JPS61138404A (ja) 1986-06-25

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