JPH0717034Y2 - 路面赤外線反射式積雪センサー - Google Patents

路面赤外線反射式積雪センサー

Info

Publication number
JPH0717034Y2
JPH0717034Y2 JP1990046241U JP4624190U JPH0717034Y2 JP H0717034 Y2 JPH0717034 Y2 JP H0717034Y2 JP 1990046241 U JP1990046241 U JP 1990046241U JP 4624190 U JP4624190 U JP 4624190U JP H0717034 Y2 JPH0717034 Y2 JP H0717034Y2
Authority
JP
Japan
Prior art keywords
light
road surface
snow
light receiver
sensor
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
JP1990046241U
Other languages
English (en)
Japanese (ja)
Other versions
JPH047384U (pm
Inventor
忠幸 山田
重信 宮本
彰朗 西村
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.)
Fukui Prefecture
Original Assignee
Fukui Prefecture
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 Fukui Prefecture filed Critical Fukui Prefecture
Priority to JP1990046241U priority Critical patent/JPH0717034Y2/ja
Publication of JPH047384U publication Critical patent/JPH047384U/ja
Application granted granted Critical
Publication of JPH0717034Y2 publication Critical patent/JPH0717034Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Measurement Of Optical Distance (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
JP1990046241U 1990-04-28 1990-04-28 路面赤外線反射式積雪センサー Expired - Lifetime JPH0717034Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990046241U JPH0717034Y2 (ja) 1990-04-28 1990-04-28 路面赤外線反射式積雪センサー

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990046241U JPH0717034Y2 (ja) 1990-04-28 1990-04-28 路面赤外線反射式積雪センサー

Publications (2)

Publication Number Publication Date
JPH047384U JPH047384U (pm) 1992-01-23
JPH0717034Y2 true JPH0717034Y2 (ja) 1995-04-19

Family

ID=31561151

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990046241U Expired - Lifetime JPH0717034Y2 (ja) 1990-04-28 1990-04-28 路面赤外線反射式積雪センサー

Country Status (1)

Country Link
JP (1) JPH0717034Y2 (pm)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5791210B1 (ja) * 2014-06-20 2015-10-07 東芝エレベータ株式会社 乗客コンベア

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5142499Y2 (pm) * 1971-02-13 1976-10-15
JPS5334582A (en) * 1976-09-10 1978-03-31 Toyo Denki Kk Snow gauge
JPS57139681A (en) * 1981-02-24 1982-08-28 Omron Tateisi Electronics Co Discriminating device for state of road surface

Also Published As

Publication number Publication date
JPH047384U (pm) 1992-01-23

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term