JPS52104977A - Light receiving system - Google Patents

Light receiving system

Info

Publication number
JPS52104977A
JPS52104977A JP2146276A JP2146276A JPS52104977A JP S52104977 A JPS52104977 A JP S52104977A JP 2146276 A JP2146276 A JP 2146276A JP 2146276 A JP2146276 A JP 2146276A JP S52104977 A JPS52104977 A JP S52104977A
Authority
JP
Japan
Prior art keywords
light receiving
receiving system
stain
tunnel
possesses
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.)
Pending
Application number
JP2146276A
Other languages
Japanese (ja)
Inventor
Makoto Toho
Masataka Mitani
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 JP2146276A priority Critical patent/JPS52104977A/en
Publication of JPS52104977A publication Critical patent/JPS52104977A/en
Pending legal-status Critical Current

Links

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)

Abstract

PURPOSE: To correctly perform the lighting control with high accuracy through measuring a light flux including the stain of lighting apparatus being installed in the horizontal direction inside a tunnel, by means of forming a light receiving apparatus which possesses a perspective field of incidence angle.
COPYRIGHT: (C)1977,JPO&Japio
JP2146276A 1976-02-28 1976-02-28 Light receiving system Pending JPS52104977A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2146276A JPS52104977A (en) 1976-02-28 1976-02-28 Light receiving system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2146276A JPS52104977A (en) 1976-02-28 1976-02-28 Light receiving system

Publications (1)

Publication Number Publication Date
JPS52104977A true JPS52104977A (en) 1977-09-02

Family

ID=12055637

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2146276A Pending JPS52104977A (en) 1976-02-28 1976-02-28 Light receiving system

Country Status (1)

Country Link
JP (1) JPS52104977A (en)

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