JPH0146920B2 - - Google Patents

Info

Publication number
JPH0146920B2
JPH0146920B2 JP53134069A JP13406978A JPH0146920B2 JP H0146920 B2 JPH0146920 B2 JP H0146920B2 JP 53134069 A JP53134069 A JP 53134069A JP 13406978 A JP13406978 A JP 13406978A JP H0146920 B2 JPH0146920 B2 JP H0146920B2
Authority
JP
Japan
Prior art keywords
light
light emitting
emitting diode
signal
brightness
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
JP53134069A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5560989A (en
Inventor
Junichi Nishizawa
Yasuo Okuno
Yasuo Matsukura
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.)
NEC Corp
Original Assignee
Nippon Electric 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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP13406978A priority Critical patent/JPS5560989A/ja
Publication of JPS5560989A publication Critical patent/JPS5560989A/ja
Publication of JPH0146920B2 publication Critical patent/JPH0146920B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Illuminated Signs And Luminous Advertising (AREA)
  • Traffic Control Systems (AREA)
JP13406978A 1978-10-31 1978-10-31 Signal light device Granted JPS5560989A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13406978A JPS5560989A (en) 1978-10-31 1978-10-31 Signal light device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13406978A JPS5560989A (en) 1978-10-31 1978-10-31 Signal light device

Publications (2)

Publication Number Publication Date
JPS5560989A JPS5560989A (en) 1980-05-08
JPH0146920B2 true JPH0146920B2 (enrdf_load_stackoverflow) 1989-10-11

Family

ID=15119642

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13406978A Granted JPS5560989A (en) 1978-10-31 1978-10-31 Signal light device

Country Status (1)

Country Link
JP (1) JPS5560989A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS587363U (ja) * 1981-07-06 1983-01-18 日本電信電話株式会社 光電式読取り用光源装置
JPH0191998U (enrdf_load_stackoverflow) * 1987-12-04 1989-06-16
JP5122803B2 (ja) * 2006-12-15 2013-01-16 協立電機株式会社 表示装置
JP2012163363A (ja) * 2011-02-03 2012-08-30 Nec Computertechno Ltd 識別タグおよび識別タグセット並びに周波数分割型識別端末および識別方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4928500U (enrdf_load_stackoverflow) * 1972-06-15 1974-03-11
JPS50150397A (enrdf_load_stackoverflow) * 1974-05-21 1975-12-02

Also Published As

Publication number Publication date
JPS5560989A (en) 1980-05-08

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