DE69219847D1 - Verfahren und Schaltung zur Begrenzung der Röntgenstrahlenerzeugung einer Kathodenstrahlröhre - Google Patents

Verfahren und Schaltung zur Begrenzung der Röntgenstrahlenerzeugung einer Kathodenstrahlröhre

Info

Publication number
DE69219847D1
DE69219847D1 DE69219847T DE69219847T DE69219847D1 DE 69219847 D1 DE69219847 D1 DE 69219847D1 DE 69219847 T DE69219847 T DE 69219847T DE 69219847 T DE69219847 T DE 69219847T DE 69219847 D1 DE69219847 D1 DE 69219847D1
Authority
DE
Germany
Prior art keywords
limiting
circuit
ray tube
cathode ray
generation
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.)
Expired - Fee Related
Application number
DE69219847T
Other languages
English (en)
Other versions
DE69219847T2 (de
Inventor
Forest Jernigan
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.)
Koninklijke Philips NV
Original Assignee
Philips Electronics NV
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 Philips Electronics NV filed Critical Philips Electronics NV
Publication of DE69219847D1 publication Critical patent/DE69219847D1/de
Application granted granted Critical
Publication of DE69219847T2 publication Critical patent/DE69219847T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H04N3/20—Prevention of damage to cathode-ray tubes in the event of failure of scanning
DE69219847T 1991-10-01 1992-09-25 Verfahren und Schaltung zur Begrenzung der Röntgenstrahlenerzeugung einer Kathodenstrahlröhre Expired - Fee Related DE69219847T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/769,612 US5148088A (en) 1991-10-01 1991-10-01 Limiting X-ray production in an operating CRT

Publications (2)

Publication Number Publication Date
DE69219847D1 true DE69219847D1 (de) 1997-06-26
DE69219847T2 DE69219847T2 (de) 1997-11-20

Family

ID=25085981

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69219847T Expired - Fee Related DE69219847T2 (de) 1991-10-01 1992-09-25 Verfahren und Schaltung zur Begrenzung der Röntgenstrahlenerzeugung einer Kathodenstrahlröhre

Country Status (6)

Country Link
US (1) US5148088A (de)
EP (1) EP0535739B1 (de)
JP (1) JPH05244544A (de)
KR (1) KR100243621B1 (de)
DE (1) DE69219847T2 (de)
ES (1) ES2103882T3 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0997035B1 (de) * 1997-07-21 2003-06-04 STMicroelectronics Asia Pacific Pte Ltd. Röntgenstrahl-schutzschaltung
KR100257534B1 (ko) * 1997-11-19 2000-06-01 구자홍 엑스레이 보호 및 과전압 보호장치

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4335335A (en) * 1980-02-11 1982-06-15 Rca Corporation Television receiver high voltage protection circuit
JPS56140771A (en) * 1980-04-01 1981-11-04 Sony Corp Control circuit of high-pressure for cathode-ray tube
US4321513A (en) * 1980-09-08 1982-03-23 Rca Corporation Television receiver high voltage protection circuit
BE889135A (fr) * 1981-06-09 1981-10-01 Rayee Georgy Appareil de securite a l'usage de t.v. couleur indiquant tout exces de puissance rayons x et garantissant la longevite du tube image
DE3437952A1 (de) * 1984-10-17 1986-04-17 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltungsanordnung zum steuern einer bildwidergaberoehre
US4654717A (en) * 1985-05-20 1987-03-31 Rca Corporation Cathode-ray tube arc-over protection for digital data in television display apparatus
GB8605030D0 (en) * 1986-02-28 1986-04-09 Gec Avionics Cathode ray tube display arrangements
US4841406A (en) * 1987-09-28 1989-06-20 North American Philips Consumer Electronics Corp. X-radiation protection circuit
GB2240243B (en) * 1990-01-19 1994-01-19 Rank Cintel Ltd Protection of cathode ray tubes

Also Published As

Publication number Publication date
KR100243621B1 (ko) 2000-02-01
JPH05244544A (ja) 1993-09-21
ES2103882T3 (es) 1997-10-01
EP0535739B1 (de) 1997-05-21
EP0535739A3 (en) 1993-09-08
US5148088A (en) 1992-09-15
KR930008923A (ko) 1993-05-22
EP0535739A2 (de) 1993-04-07
DE69219847T2 (de) 1997-11-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N

8339 Ceased/non-payment of the annual fee