KR960009578B1 - Security controlling method for a laser beam shutter - Google Patents

Security controlling method for a laser beam shutter Download PDF

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Publication number
KR960009578B1
KR960009578B1 KR94004245A KR19940004245A KR960009578B1 KR 960009578 B1 KR960009578 B1 KR 960009578B1 KR 94004245 A KR94004245 A KR 94004245A KR 19940004245 A KR19940004245 A KR 19940004245A KR 960009578 B1 KR960009578 B1 KR 960009578B1
Authority
KR
South Korea
Prior art keywords
shutter
laser beam
controlling method
time
beam shutter
Prior art date
Application number
KR94004245A
Other languages
Korean (ko)
Inventor
Jin-Soo Kim
Seung-Tae Lee
Original Assignee
Lgcable & Machinery Co 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 Lgcable & Machinery Co Ltd filed Critical Lgcable & Machinery Co Ltd
Priority to KR94004245A priority Critical patent/KR960009578B1/en
Application granted granted Critical
Publication of KR960009578B1 publication Critical patent/KR960009578B1/en

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  • Lasers (AREA)
  • Laser Beam Processing (AREA)

Abstract

running or stopping a shutter solenoid by on/off signals of a shutter switch(1st step); operating a shutter opening indicator if a time counted by a shutter detector with a limit switch after an operation of a solenoid is within a predetermined time, or stopping a laser and warning a malfunction if the time is over the predetermined time(2nd step); and stopping the solenoid and operating a shutter closing indicator if the time for the limit switch being arrived to the shutter off is within a predetermined time when the shutter switch is on in 1st step or off after 2nd step.
KR94004245A 1994-03-04 1994-03-04 Security controlling method for a laser beam shutter KR960009578B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR94004245A KR960009578B1 (en) 1994-03-04 1994-03-04 Security controlling method for a laser beam shutter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR94004245A KR960009578B1 (en) 1994-03-04 1994-03-04 Security controlling method for a laser beam shutter

Publications (1)

Publication Number Publication Date
KR960009578B1 true KR960009578B1 (en) 1996-07-20

Family

ID=19378374

Family Applications (1)

Application Number Title Priority Date Filing Date
KR94004245A KR960009578B1 (en) 1994-03-04 1994-03-04 Security controlling method for a laser beam shutter

Country Status (1)

Country Link
KR (1) KR960009578B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7666265B2 (en) 2004-09-14 2010-02-23 Lg Electronics Inc. Dish washer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7666265B2 (en) 2004-09-14 2010-02-23 Lg Electronics Inc. Dish washer

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