JPS51145388A - Light quantity automatic regulator in fault detection by magnetic powd er - Google Patents

Light quantity automatic regulator in fault detection by magnetic powd er

Info

Publication number
JPS51145388A
JPS51145388A JP6936475A JP6936475A JPS51145388A JP S51145388 A JPS51145388 A JP S51145388A JP 6936475 A JP6936475 A JP 6936475A JP 6936475 A JP6936475 A JP 6936475A JP S51145388 A JPS51145388 A JP S51145388A
Authority
JP
Japan
Prior art keywords
light quantity
powd
magnetic
fault detection
automatic regulator
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.)
Granted
Application number
JP6936475A
Other languages
English (en)
Other versions
JPS5613256B2 (ja
Inventor
Mikio Ishiyama
Noriyuki Matsubara
Yoshito Tanaka
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.)
Nippon Steel Corp
Konan Camera Research Institue Inc
Original Assignee
Sumitomo Metal Industries Ltd
Konan Camera Research Institue Inc
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 Sumitomo Metal Industries Ltd, Konan Camera Research Institue Inc filed Critical Sumitomo Metal Industries Ltd
Priority to JP6936475A priority Critical patent/JPS51145388A/ja
Publication of JPS51145388A publication Critical patent/JPS51145388A/ja
Publication of JPS5613256B2 publication Critical patent/JPS5613256B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
JP6936475A 1975-06-09 1975-06-09 Light quantity automatic regulator in fault detection by magnetic powd er Granted JPS51145388A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6936475A JPS51145388A (en) 1975-06-09 1975-06-09 Light quantity automatic regulator in fault detection by magnetic powd er

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6936475A JPS51145388A (en) 1975-06-09 1975-06-09 Light quantity automatic regulator in fault detection by magnetic powd er

Publications (2)

Publication Number Publication Date
JPS51145388A true JPS51145388A (en) 1976-12-14
JPS5613256B2 JPS5613256B2 (ja) 1981-03-27

Family

ID=13400417

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6936475A Granted JPS51145388A (en) 1975-06-09 1975-06-09 Light quantity automatic regulator in fault detection by magnetic powd er

Country Status (1)

Country Link
JP (1) JPS51145388A (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4833882A (ja) * 1971-08-28 1973-05-14

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4833882A (ja) * 1971-08-28 1973-05-14

Also Published As

Publication number Publication date
JPS5613256B2 (ja) 1981-03-27

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