CA993028A - Magnetic correction device for a cathode ray tube - Google Patents

Magnetic correction device for a cathode ray tube

Info

Publication number: CA993028A
Authority: CA; Canada
Prior art keywords: ray tube; cathode ray; correction device; magnetic correction; magnetic
Prior art date: 1973-04-09
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

Application number

CA196,823A

Other versions

CA196823S (en

Inventor

Johannes Van Den Boogert

Antoon Swart

Antonie Slavenburg

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 Gloeilampenfabrieken 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.)

1973-04-09

Filing date

1974-04-04

Publication date

1976-07-13

1974-04-04 Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV

1976-07-13 Application granted granted Critical

1976-07-13 Publication of CA993028A publication Critical patent/CA993028A/en

Status Expired 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
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/70—Arrangements for deflecting ray or beam
- H01J29/701—Systems for correcting deviation or convergence of a plurality of beams by means of magnetic fields at least
- H01J29/702—Convergence correction arrangements therefor
- H01J29/703—Static convergence systems

CA196,823A 1973-04-09 1974-04-04 Magnetic correction device for a cathode ray tube Expired CA993028A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL7304887.A NL160426C (en)	1973-04-09	1973-04-09	MAGNETIC CORRECTION DEVICE FOR A CATHODE JET TUBE.

Publications (1)

Publication Number	Publication Date
CA993028A true CA993028A (en)	1976-07-13

Family

ID=19818595

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA196,823A Expired CA993028A (en)	1973-04-09	1974-04-04	Magnetic correction device for a cathode ray tube

Country Status (14)

Country	Link
US (1)	US3902145A (en)
JP (1)	JPS5531985B2 (en)
AU (1)	AU6767074A (en)
BE (1)	BE813434A (en)
BR (1)	BR7402789D0 (en)
CA (1)	CA993028A (en)
DE (1)	DE2416509C3 (en)
ES (1)	ES425065A1 (en)
FR (1)	FR2224869B1 (en)
GB (1)	GB1466732A (en)
IT (1)	IT1011709B (en)
NL (1)	NL160426C (en)
SE (1)	SE386008B (en)
ZA (1)	ZA742104B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4032872A (en) *	1975-10-21	1977-06-28	Rca Corporation	Beam adjustment assembly for a cathode ray tube
US4091347A (en) *	1976-03-17	1978-05-23	Rca Corporation	Convergence apparatus for in-line beams
US4050042A (en) *	1976-10-13	1977-09-20	Tracor, Inc.	Static convergence devices for color television picture tubes
DE2752252A1 (en) *	1977-11-23	1979-05-31	Philips Patentverwaltung	Television tube magnetic correcting ring prodn. - by coating thin substrate with binder suspension of permanently magnetic material
EP0042020B1 (en) *	1980-06-13	1984-05-16	International Business Machines Corporation	Convergence unit for cathode-ray tube
NL8100785A (en) *	1981-02-18	1982-09-16	Philips Nv	DEVICE FOR DISPLAYING IMAGES.
US4467302A (en) *	1983-03-24	1984-08-21	Sperry Corporation	CRT Color purity adjustment apparatus
JPH0538253U (en) *	1991-10-25	1993-05-25	ナイルス部品株式会社	Window glass opening and closing control device
KR0160847B1 (en) *	1995-02-20	1998-12-01	구자홍	Magnet structural reform for color cathode ray tube
EP1162642A1 (en)	2000-06-07	2001-12-12	Matsushita Display Devices (Germany) GmbH	Multipole unit for a color picture tube

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL147275B (en) *	1948-07-01		Plessey Uk Limited	ELECTRIC TORQUE SWITCH FOR PUSH-BUTTON CONTROL.
US2801356A (en) *	1956-01-23	1957-07-30	Heppner Mfg Co	Focus device
US3332046A (en) *	1965-05-19	1967-07-18	Illinois Tool Works	Blue lateral and purity magnet assembly
US3341729A (en) *	1966-01-26	1967-09-12	Illinois Tool Works	Device for laterally shifting one of a plurality of electron beams relative to the remainder in a color television tube
US3605053A (en) *	1969-08-27	1971-09-14	Tracor	Convergence- and purity-adjusting device for color television picture tube

1973
- 1973-04-09 NL NL7304887.A patent/NL160426C/en active
1974
- 1974-04-02 ZA ZA00742104A patent/ZA742104B/en unknown
- 1974-04-03 US US457562A patent/US3902145A/en not_active Expired - Lifetime
- 1974-04-04 DE DE2416509A patent/DE2416509C3/en not_active Expired
- 1974-04-04 CA CA196,823A patent/CA993028A/en not_active Expired
- 1974-04-05 GB GB1513174A patent/GB1466732A/en not_active Expired
- 1974-04-05 IT IT68105/74A patent/IT1011709B/en active
- 1974-04-05 SE SE7404620A patent/SE386008B/en unknown
- 1974-04-06 ES ES425065A patent/ES425065A1/en not_active Expired
- 1974-04-08 BE BE142958A patent/BE813434A/en not_active IP Right Cessation
- 1974-04-08 BR BR2789/74A patent/BR7402789D0/en unknown
- 1974-04-08 FR FR7412258A patent/FR2224869B1/fr not_active Expired
- 1974-04-08 JP JP3896974A patent/JPS5531985B2/ja not_active Expired
- 1974-04-09 AU AU67670/74A patent/AU6767074A/en not_active Expired

Also Published As

Publication number	Publication date
SE386008B (en)	1976-07-26
US3902145A (en)	1975-08-26
JPS5531985B2 (en)	1980-08-22
BR7402789D0 (en)	1974-11-19
ES425065A1 (en)	1976-06-01
DE2416509B2 (en)	1978-08-24
FR2224869A1 (en)	1974-10-31
ZA742104B (en)	1975-11-26
NL7304887A (en)	1974-10-11
AU6767074A (en)	1975-10-09
DE2416509C3 (en)	1979-04-26
NL160426C (en)	1979-10-15
JPS5012964A (en)	1975-02-10
IT1011709B (en)	1977-02-10
DE2416509A1 (en)	1974-10-24
FR2224869B1 (en)	1978-08-11
GB1466732A (en)	1977-03-09
NL160426B (en)	1979-05-15
BE813434A (en)	1974-10-08

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