BR9702415B1 - dispositivo para blindagem de um campo elétrico emitido no sentido para trás a partir de um aparelho de exibição de vìdeo. - Google Patents

dispositivo para blindagem de um campo elétrico emitido no sentido para trás a partir de um aparelho de exibição de vìdeo.

Info

Publication number
BR9702415B1
BR9702415B1 BRPI9702415-5A BR9702415A BR9702415B1 BR 9702415 B1 BR9702415 B1 BR 9702415B1 BR 9702415 A BR9702415 A BR 9702415A BR 9702415 B1 BR9702415 B1 BR 9702415B1
Authority
BR
Brazil
Prior art keywords
shielding
electric field
display apparatus
video display
field emitted
Prior art date
Application number
BRPI9702415-5A
Other languages
English (en)
Other versions
BR9702415A (pt
Inventor
Seok Hwa Jeong
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 filed Critical
Publication of BR9702415A publication Critical patent/BR9702415A/pt
Publication of BR9702415B1 publication Critical patent/BR9702415B1/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
    • H04N3/18—Generation of supply voltages, in combination with electron beam deflecting
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/96—One or more circuit elements structurally associated with the tube
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/003—Arrangements for eliminating unwanted electromagnetic effects, e.g. demagnetisation arrangements, shielding coils
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
    • H04N3/18—Generation of supply voltages, in combination with electron beam deflecting
    • H04N3/185—Maintaining dc voltage constant
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/0007—Elimination of unwanted or stray electromagnetic effects
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/0007—Elimination of unwanted or stray electromagnetic effects
    • H01J2229/0015—Preventing or cancelling fields leaving the enclosure
BRPI9702415-5A 1996-07-30 1997-07-30 dispositivo para blindagem de um campo elétrico emitido no sentido para trás a partir de um aparelho de exibição de vìdeo. BR9702415B1 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960031428A KR100220007B1 (ko) 1996-07-30 1996-07-30 영상표시기기의 후방 방사전계 차폐장치

Publications (2)

Publication Number Publication Date
BR9702415A BR9702415A (pt) 1998-09-15
BR9702415B1 true BR9702415B1 (pt) 2009-05-05

Family

ID=19468077

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI9702415-5A BR9702415B1 (pt) 1996-07-30 1997-07-30 dispositivo para blindagem de um campo elétrico emitido no sentido para trás a partir de um aparelho de exibição de vìdeo.

Country Status (6)

Country Link
US (1) US5841234A (pt)
KR (1) KR100220007B1 (pt)
CN (1) CN1089981C (pt)
BR (1) BR9702415B1 (pt)
GB (1) GB2315970B (pt)
ID (1) ID17960A (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100283939B1 (ko) * 1999-02-13 2001-02-15 윤종용 모니터의 비디오 쉴드
KR100549831B1 (ko) * 2003-09-08 2006-02-06 삼성전자주식회사 음극선관 디스플레이 장치
US7209345B2 (en) * 2003-10-16 2007-04-24 Richco Inc. Cathode ray tube clamp
KR100577430B1 (ko) * 2004-09-03 2006-05-08 삼성전자주식회사 디스플레이 장치

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01119192A (ja) * 1987-10-31 1989-05-11 Sony Corp 自動コンバーゼンス補正回路
US5151635A (en) * 1991-06-20 1992-09-29 Apple Computer, Inc. Apparatus and method for reducing the magnitude of time varying electric fields in CRT displays
US5399939A (en) * 1992-01-03 1995-03-21 Environmental Services & Products, Inc. Magnetic shield with cathode ray tube standoff for a computer monitor
EP0561455B1 (en) * 1992-03-19 1997-06-04 Koninklijke Philips Electronics N.V. Line output transformer
JP3068710B2 (ja) * 1992-05-08 2000-07-24 株式会社日立製作所 水平偏向回路
US5198729A (en) * 1992-07-02 1993-03-30 Display Technologies, Inc. CRT monitor with elimination of unwanted time variable electric field
JP3277601B2 (ja) * 1993-03-31 2002-04-22 ソニー株式会社 Ｃｒｔディスプレイの漏洩電界相殺装置

Also Published As

Publication number Publication date
KR980011566A (ko) 1998-04-30
CN1089981C (zh) 2002-08-28
CN1174474A (zh) 1998-02-25
MX9705775A (es) 1998-10-31
ID17960A (id) 1998-02-12
BR9702415A (pt) 1998-09-15
GB2315970A (en) 1998-02-11
GB2315970B (en) 1998-10-07
KR100220007B1 (ko) 1999-09-01
US5841234A (en) 1998-11-24
GB9716122D0 (en) 1997-10-08

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Legal Events

Date Code Title Description
FB34 Technical and formal requirements: requirement - article 34 of industrial property law
B15K Others concerning applications: alteration of classification

Free format text: ALTERADA A CLASSIFICACAO DE H05K 9/00 PARA H01J 29/00; H04N 3/18

Ipc: H01J 29/00 (2007.01), H04N 3/18 (2007.01)

B06A Notification to applicant to reply to the report for non-patentability or inadequacy of the application [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted

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B24C Patent annual fee: request for for restoration

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B24H Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
B24F Patent annual fee: publication cancelled

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