JPS5842945Y2 - 空間フィルタを用いた速度センサ - Google Patents

空間フィルタを用いた速度センサ

Info

Publication number
JPS5842945Y2
JPS5842945Y2 JP9253678U JP9253678U JPS5842945Y2 JP S5842945 Y2 JPS5842945 Y2 JP S5842945Y2 JP 9253678 U JP9253678 U JP 9253678U JP 9253678 U JP9253678 U JP 9253678U JP S5842945 Y2 JPS5842945 Y2 JP S5842945Y2
Authority
JP
Japan
Prior art keywords
reticle
amplifier
speed sensor
road surface
spatial filter
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
JP9253678U
Other languages
English (en)
Japanese (ja)
Other versions
JPS559471U (enExample
Inventor
隆 坂本
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.)
Denso Ten Ltd
Original Assignee
Denso Ten 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 Denso Ten Ltd filed Critical Denso Ten Ltd
Priority to JP9253678U priority Critical patent/JPS5842945Y2/ja
Publication of JPS559471U publication Critical patent/JPS559471U/ja
Application granted granted Critical
Publication of JPS5842945Y2 publication Critical patent/JPS5842945Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
JP9253678U 1978-07-05 1978-07-05 空間フィルタを用いた速度センサ Expired JPS5842945Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9253678U JPS5842945Y2 (ja) 1978-07-05 1978-07-05 空間フィルタを用いた速度センサ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9253678U JPS5842945Y2 (ja) 1978-07-05 1978-07-05 空間フィルタを用いた速度センサ

Publications (2)

Publication Number Publication Date
JPS559471U JPS559471U (enExample) 1980-01-22
JPS5842945Y2 true JPS5842945Y2 (ja) 1983-09-28

Family

ID=29022804

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9253678U Expired JPS5842945Y2 (ja) 1978-07-05 1978-07-05 空間フィルタを用いた速度センサ

Country Status (1)

Country Link
JP (1) JPS5842945Y2 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57127854A (en) * 1981-01-30 1982-08-09 Omron Tateisi Electronics Co Space filter apparatus

Also Published As

Publication number Publication date
JPS559471U (enExample) 1980-01-22

Similar Documents

Publication Publication Date Title
US4690553A (en) Road surface condition detection system
CA2166323C (en) Road surface discriminator and apparatus applying same
CN102507502A (zh) 多角度前向散射式能见度测量仪
AU637230B2 (en) Apparatus and method for angle measurement
JP3471342B2 (ja) 炎感知器
JPS5842945Y2 (ja) 空間フィルタを用いた速度センサ
US8681138B2 (en) Method and device for measuring light conditions in an automobile for determining a control signal
US4320975A (en) Passive smoke plume opacity monitor
GB1248617A (en) Optical length measuring system
JPS5565131A (en) Inspection unit of luminous intensity distribution pattern for light fixture for vehicle
US6275171B1 (en) Rangefinder type non-imaging traffic sensor
JPH0295242A (ja) 霧検知装置
JP2758612B2 (ja) 過熱検出装置
CN208505578U (zh) 一种车载光电设备高原环境性能影响分析试验系统
JPS602623B2 (ja) 交通流速計測装置
JP2920680B2 (ja) アクティブ測距装置
Walters Saturation And The Zenith Angle Dependence Of Atmospheric Isoplanatic Angle Measurements
JPS5614139A (en) Detecting method for road-surface condition
SU576840A1 (ru) Нефелометр
JPS601573B2 (ja) 路面状態検知方法
JPS61283870A (ja) 速度計測装置
JPS622526Y2 (enExample)
JPS5941525B2 (ja) 車両用灯具の配光パタ−ン測定方法およびその装置
JPH06230097A (ja) 移動体位置検出装置
CN113192066A (zh) 一种用于高速公路全天候的能见度估计方法的装置及方法