JPS648796B2 - - Google Patents

Info

Publication number
JPS648796B2
JPS648796B2 JP56062770A JP6277081A JPS648796B2 JP S648796 B2 JPS648796 B2 JP S648796B2 JP 56062770 A JP56062770 A JP 56062770A JP 6277081 A JP6277081 A JP 6277081A JP S648796 B2 JPS648796 B2 JP S648796B2
Authority
JP
Japan
Prior art keywords
light
space
circuit
output
receiving element
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
JP56062770A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57175975A (en
Inventor
Tsunehiko Araki
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 Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP56062770A priority Critical patent/JPS57175975A/ja
Publication of JPS57175975A publication Critical patent/JPS57175975A/ja
Publication of JPS648796B2 publication Critical patent/JPS648796B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/88—Lidar systems specially adapted for specific applications
    • G01S17/95—Lidar systems specially adapted for specific applications for meteorological use
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
    • Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
JP56062770A 1981-04-24 1981-04-24 Rain detector Granted JPS57175975A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56062770A JPS57175975A (en) 1981-04-24 1981-04-24 Rain detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56062770A JPS57175975A (en) 1981-04-24 1981-04-24 Rain detector

Publications (2)

Publication Number Publication Date
JPS57175975A JPS57175975A (en) 1982-10-29
JPS648796B2 true JPS648796B2 (OSRAM) 1989-02-15

Family

ID=13209945

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56062770A Granted JPS57175975A (en) 1981-04-24 1981-04-24 Rain detector

Country Status (1)

Country Link
JP (1) JPS57175975A (OSRAM)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0319495U (OSRAM) * 1989-07-06 1991-02-26
JPH04107891U (ja) * 1991-02-28 1992-09-17 株式会社ケンウツド 電子機器の放熱構造

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54143189A (en) * 1978-04-27 1979-11-08 Kinki Electrical Construct Rainfall supervisory device
JPS55177642U (OSRAM) * 1980-04-23 1980-12-19

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0319495U (OSRAM) * 1989-07-06 1991-02-26
JPH04107891U (ja) * 1991-02-28 1992-09-17 株式会社ケンウツド 電子機器の放熱構造

Also Published As

Publication number Publication date
JPS57175975A (en) 1982-10-29

Similar Documents

Publication Publication Date Title
US4464622A (en) Electronic wall stud sensor
JP4509557B2 (ja) 降水／ひょうセンサー及び降水量測定のための方法
EP0614537A1 (en) Laser diode liquid-level/distance measurement
JPS6325398B2 (OSRAM)
US11280936B2 (en) Liquid gauge and a method for operating the same
CN111051855B (zh) 含水量传感器以及路面状态检测装置
US4095221A (en) Electrical storm forecast system
US20190251816A1 (en) Smoke detection methodology
JP2017116417A (ja) 光電式ほこりセンサおよび空調機器
JPS648796B2 (OSRAM)
US4156182A (en) Lightning strike detector
CA1313773C (en) Precipitation gauge
JP4319130B2 (ja) 捕虫装置
RU2426982C2 (ru) Способ обнаружения пылеотложения на печатных платах радиоэлектронной аппаратуры
GB2267963A (en) Obscuration sensor
JP2014163884A (ja) 距離測定装置
US4455631A (en) Seismic parameter measurement method and apparatus
EP0099729A1 (en) Suspended particle detector
US3393319A (en) Photoelectric circuit for counting light pulses above a minimium value
KR20140000543A (ko) 강우 강도 및 강우량 감지 장치
WO2003027719A1 (en) Precipitation sensor and method for precipitation rate measurement
JPS59160294A (ja) 試験装置を備えた火災感知器
JPH06259674A (ja) 微粒子検出兼用煙検出装置
JP2000292545A (ja) 放射線検出器および放射線測定装置
EP0629983A1 (en) Obscuration type smoke detector