KR900012321A - 방 전 관 - Google Patents

방 전 관

Info

Publication number
KR900012321A
KR900012321A KR1019900000297A KR900000297A KR900012321A KR 900012321 A KR900012321 A KR 900012321A KR 1019900000297 A KR1019900000297 A KR 1019900000297A KR 900000297 A KR900000297 A KR 900000297A KR 900012321 A KR900012321 A KR 900012321A
Authority
KR
South Korea
Prior art keywords
discharge tube
discharge
tube
Prior art date
Application number
KR1019900000297A
Other languages
English (en)
Other versions
KR920010057B1 (ko
Inventor
요리유끼 니에다
Original Assignee
도오교오덴소꾸 가부시기가이샤
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 도오교오덴소꾸 가부시기가이샤 filed Critical 도오교오덴소꾸 가부시기가이샤
Publication of KR900012321A publication Critical patent/KR900012321A/ko
Application granted granted Critical
Publication of KR920010057B1 publication Critical patent/KR920010057B1/ko

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/06—Main electrodes
    • H01J61/067—Main electrodes for low-pressure discharge lamps
KR1019900000297A 1989-01-12 1990-01-11 방 전 관 KR920010057B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1005753A JPH02186551A (ja) 1989-01-12 1989-01-12 放電管
JP89-5753 1989-01-12

Publications (2)

Publication Number Publication Date
KR900012321A true KR900012321A (ko) 1990-08-03
KR920010057B1 KR920010057B1 (ko) 1992-11-13

Family

ID=11619881

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900000297A KR920010057B1 (ko) 1989-01-12 1990-01-11 방 전 관

Country Status (4)

Country Link
EP (1) EP0378338B1 (ko)
JP (1) JPH02186551A (ko)
KR (1) KR920010057B1 (ko)
DE (1) DE69030333D1 (ko)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04174951A (ja) * 1990-07-19 1992-06-23 Tokyo Densoku Kk 放電管
JP2599192Y2 (ja) * 1990-07-19 1999-08-30 東京電測 株式会社 放電管
US5585694A (en) * 1990-12-04 1996-12-17 North American Philips Corporation Low pressure discharge lamp having sintered "cold cathode" discharge electrodes
DE9202638U1 (ko) * 1992-02-28 1992-04-16 Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen Mbh, 8000 Muenchen, De
JP3498072B2 (ja) 2001-06-25 2004-02-16 炳霖 ▲楊▼ 放電ランプ用発光体
KR101206681B1 (ko) * 2011-07-13 2012-12-03 (주) 상일시스템 조명용 냉음극 형광 램프

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL41599C (ko) * 1934-10-27
US2314134A (en) * 1942-01-08 1943-03-16 Colonial Lighting Co Inc Gaseous discharge device
CH319769A (de) * 1953-03-06 1957-02-28 Mueller Felix Ing Dr Elektrode für Entladungsgefässe
JPS5750760A (en) * 1980-09-13 1982-03-25 Matsushita Electric Works Ltd Electrode for discharge lamp
WO1987004562A1 (en) * 1986-01-17 1987-07-30 Sidefact Limited Flat light source
KR910010108B1 (ko) * 1988-05-27 1991-12-16 도오시바 라이텍크 가부시기가이샤 편봉지형 메탈해라이드 램프

Also Published As

Publication number Publication date
EP0378338B1 (en) 1997-04-02
JPH02186551A (ja) 1990-07-20
KR920010057B1 (ko) 1992-11-13
EP0378338A2 (en) 1990-07-18
JPH0546048B2 (ko) 1993-07-12
EP0378338A3 (en) 1991-06-12
DE69030333D1 (de) 1997-05-07

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20030820

Year of fee payment: 12

LAPS Lapse due to unpaid annual fee