JPS5238272A - Device for cheking operating condition of electric circuits - Google Patents

Device for cheking operating condition of electric circuits

Info

Publication number
JPS5238272A
JPS5238272A JP11937076A JP11937076A JPS5238272A JP S5238272 A JPS5238272 A JP S5238272A JP 11937076 A JP11937076 A JP 11937076A JP 11937076 A JP11937076 A JP 11937076A JP S5238272 A JPS5238272 A JP S5238272A
Authority
JP
Japan
Prior art keywords
operating condition
cheking
electric circuits
circuits
inspection
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
JP11937076A
Other languages
Japanese (ja)
Inventor
Tsutomu Komatsu
Kazuyuki Koide
Rokuro Sasaki
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP11937076A priority Critical patent/JPS5238272A/en
Publication of JPS5238272A publication Critical patent/JPS5238272A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To use a light emission diode whose brightness varies with changes in current thereby making easy checking and inspection of the operating condition of circuits.
COPYRIGHT: (C)1977,JPO&Japio
JP11937076A 1976-10-06 1976-10-06 Device for cheking operating condition of electric circuits Pending JPS5238272A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11937076A JPS5238272A (en) 1976-10-06 1976-10-06 Device for cheking operating condition of electric circuits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11937076A JPS5238272A (en) 1976-10-06 1976-10-06 Device for cheking operating condition of electric circuits

Publications (1)

Publication Number Publication Date
JPS5238272A true JPS5238272A (en) 1977-03-24

Family

ID=14759811

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11937076A Pending JPS5238272A (en) 1976-10-06 1976-10-06 Device for cheking operating condition of electric circuits

Country Status (1)

Country Link
JP (1) JPS5238272A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03288538A (en) * 1989-04-07 1991-12-18 Nippon Shokubai Co Ltd Production of inorganic fine particle powder
US5232550A (en) * 1987-04-27 1993-08-03 Ohkawara Kakohki Co., Ltd. Vacuum drying method
US5338353A (en) * 1989-04-07 1994-08-16 Nippon Shokubai Kagaku Kogyo Method for production of powder of fine inorganic particles

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5232550A (en) * 1987-04-27 1993-08-03 Ohkawara Kakohki Co., Ltd. Vacuum drying method
JPH03288538A (en) * 1989-04-07 1991-12-18 Nippon Shokubai Co Ltd Production of inorganic fine particle powder
JPH0586251B2 (en) * 1989-04-07 1993-12-10 Nippon Catalytic Chem Ind
US5338353A (en) * 1989-04-07 1994-08-16 Nippon Shokubai Kagaku Kogyo Method for production of powder of fine inorganic particles

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