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KR870002821A - Light shielding method and device that operates according to the amount of light - Google Patents

Light shielding method and device that operates according to the amount of light Download PDF

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Publication number
KR870002821A
KR870002821A KR1019850007230A KR850007230A KR870002821A KR 870002821 A KR870002821 A KR 870002821A KR 1019850007230 A KR1019850007230 A KR 1019850007230A KR 850007230 A KR850007230 A KR 850007230A KR 870002821 A KR870002821 A KR 870002821A
Authority
KR
South Korea
Prior art keywords
light shielding
light
liquid crystal
shielding device
attached
Prior art date
Application number
KR1019850007230A
Other languages
Korean (ko)
Inventor
정광춘
Original Assignee
정광춘
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 정광춘 filed Critical 정광춘
Priority to KR1019850007230A priority Critical patent/KR870002821A/en
Publication of KR870002821A publication Critical patent/KR870002821A/en
Priority to KR2019880004249U priority patent/KR880003020Y1/en

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Abstract

내용 없음No content

Description

광량에 따라 작동하는 광차폐 방법 및 장치Light shielding method and device that operates according to the amount of light

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명의 원리를 설명하기 위한 구조도.1 is a structural diagram for explaining the principle of the present invention.

제2도는 본 발명의 원리가 적용된 용접보호구의 정면도.2 is a front view of a welding protective device to which the principle of the present invention is applied.

제3도는 제2도의 차광창의 종단면도.3 is a longitudinal sectional view of the shading window of FIG.

Claims (9)

편광축이 상호 교차된 두 편광판(3)(3') 사이에 전계 효과형 액정판(2)을 삽입하여서 된 차광창에 있어서, 임계광량 조절필터(5)와 가변 저항 및 광전지(1)의 개별 및 조합에 의한 조정으로 임계광량 이상의 입사광에 의해서만 액정판(2)이 작동하여 광을 차단시키거나 약화시키는 광차폐 방법.In the light shielding window formed by inserting the field effect liquid crystal plate 2 between two polarizing plates 3 and 3 'whose polarization axes cross each other, the critical light amount control filter 5 and the variable resistor and the photocell 1 are individually separated. And a light shielding method in which the liquid crystal panel 2 operates only by incident light of a critical amount of light or more by adjusting by a combination to block or attenuate light. 용접보호구(10)의 차광창(11)에 있어서, 전개효과형 액정을 사용한 액정판(2)의 전후면에 편광축을 상호 교차시켜서 두개의 편광판(3)(3')을 부착하여 구성된 차광창(11)의 전면의 일측면에 광전지(1)을 부착하여서 된 광차폐장치.In the light shielding window 11 of the welding protective device 10, the light shielding window formed by attaching two polarizing plates 3 and 3 'by mutually crossing polarization axes on the front and rear surfaces of the liquid crystal plate 2 using the development effect type liquid crystal. The light shielding device which attached the photocell 1 to one side of the front surface of (11). 제2항에 있어서 광전지(1)의 전면에 임계광량 조절필터(5)가 부착된 광차폐장치.The light shielding device according to claim 2, wherein the threshold light quantity control filter (5) is attached to the front of the photovoltaic cell (1). 제2항에 있어서 광전지(1)와 액정판(2)의 연결선 중간에 가변저항을 삽입하여 임의로 임계전압을 조절할 수 있도록 한 광차폐장치.The light shielding device according to claim 2, wherein a variable resistor is inserted in the middle of the connection line between the photovoltaic cell (1) and the liquid crystal plate (2) to adjust the threshold voltage arbitrarily. 제2항에 있어서 광전지(1)의 전면에 임계광량 조절필터(5)를 부착하고, 광전지(1)와 액정판(2)의 연결선 중간에 가변저항을 삽입하여 임의로 임계광량과 임계전압을 조절할 수 있도록 한 광차폐장치.The threshold light amount control filter 5 is attached to the front surface of the photo cell 1, and a variable resistor is inserted between the photo cell 1 and the liquid crystal plate 2 to arbitrarily adjust the threshold light amount and the threshold voltage. Light shielding device to make it possible. 제2항, 제3항, 제4항 또는 제5항에 있어서 투시창(11)의 양측면에 광전지(1)를 부착한 광차폐 장치.The light shielding device according to claim 2, 3, 4, or 5, wherein photovoltaic cells (1) are attached to both sides of the viewing window (11). 제2항, 제3항, 제4항 또는 제5항에 있어서 용접보호구(10")의 차광창(11)의 일부분만 광차폐 장치를 설치하고 다른 부분은 광필터유리판(15)을 설치하는 용접보호구.The method according to claim 2, 3, 4 or 5, wherein only a part of the light shielding window 11 of the welding protector 10 "is provided with a light shielding device, and the other part is provided with an optical filter glass plate 15. Weld Protection. 제6항에 있어서 용접보호구(10")의 차광창(11)의 일부분만 광차폐장치를 설치하고 다른 부분은 광필터 유리판(15)을 설치하는 용접보호구.The welding protector according to claim 6, wherein only a part of the light shielding window (11) of the welding protector (10 ") installs a light shielding device and the other part installs an optical filter glass plate (15). 제2항, 제3항, 제4항 또는 제5항에 있어서 좌우로 분리시킨 광차폐 장치의 차광창(11')의 전면에 광전지(1)를 부착하여서 된 광차폐보안경.The light shielding goggles according to claim 2, 3, 4, or 5, wherein the photovoltaic cells are attached to the front surface of the light shielding window 11 'of the light shielding device separated left and right. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019850007230A 1985-09-30 1985-09-30 Light shielding method and device that operates according to the amount of light KR870002821A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1019850007230A KR870002821A (en) 1985-09-30 1985-09-30 Light shielding method and device that operates according to the amount of light
KR2019880004249U KR880003020Y1 (en) 1985-09-30 1988-03-29 Welding goggles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019850007230A KR870002821A (en) 1985-09-30 1985-09-30 Light shielding method and device that operates according to the amount of light

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR2019880004249U Division KR880003020Y1 (en) 1985-09-30 1988-03-29 Welding goggles

Publications (1)

Publication Number Publication Date
KR870002821A true KR870002821A (en) 1987-04-13

Family

ID=69467945

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019850007230A KR870002821A (en) 1985-09-30 1985-09-30 Light shielding method and device that operates according to the amount of light

Country Status (1)

Country Link
KR (1) KR870002821A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5224277A (en) * 1990-05-22 1993-07-06 Kim Sang Do Footwear sole providing ventilation, shock absorption and fashion
KR100620135B1 (en) * 1999-12-29 2006-09-06 비오이 하이디스 테크놀로지 주식회사 Light control filter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5224277A (en) * 1990-05-22 1993-07-06 Kim Sang Do Footwear sole providing ventilation, shock absorption and fashion
KR100620135B1 (en) * 1999-12-29 2006-09-06 비오이 하이디스 테크놀로지 주식회사 Light control filter

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PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 19850930

PG1501 Laying open of application
E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 19880201

Patent event code: PE09021S01D

PC1205 Withdrawal of application forming a basis of a converted application
WICV Withdrawal of application forming a basis of a converted application