EP0456224A3 - Color cathode ray tube apparatus - Google Patents

Color cathode ray tube apparatus Download PDF

Info

Publication number
EP0456224A3
EP0456224A3 EP19910107505 EP91107505A EP0456224A3 EP 0456224 A3 EP0456224 A3 EP 0456224A3 EP 19910107505 EP19910107505 EP 19910107505 EP 91107505 A EP91107505 A EP 91107505A EP 0456224 A3 EP0456224 A3 EP 0456224A3
Authority
EP
European Patent Office
Prior art keywords
ray tube
cathode ray
color cathode
tube apparatus
color
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.)
Granted
Application number
EP19910107505
Other versions
EP0456224A2 (en
EP0456224B1 (en
Inventor
Masatsugu Inoue
Kiyoshi Tokita
Takeshi Fujiwara
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
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 Toshiba Corp filed Critical Toshiba Corp
Publication of EP0456224A2 publication Critical patent/EP0456224A2/en
Publication of EP0456224A3 publication Critical patent/EP0456224A3/en
Application granted granted Critical
Publication of EP0456224B1 publication Critical patent/EP0456224B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01J29/56—Arrangements for controlling cross-section of ray or beam; Arrangements for correcting aberration of beam, e.g. due to lenses
    • H01J29/566—Arrangements for controlling cross-section of ray or beam; Arrangements for correcting aberration of beam, e.g. due to lenses for correcting aberration
    • 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
    • H01J29/707—Arrangements intimately associated with parts of the gun and co-operating with external magnetic excitation devices
EP19910107505 1990-05-10 1991-05-08 Color cathode ray tube apparatus Expired - Lifetime EP0456224B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP118683/90 1990-05-10
JP2118683A JP3034906B2 (en) 1990-05-10 1990-05-10 Color picture tube and deflection device

Publications (3)

Publication Number Publication Date
EP0456224A2 EP0456224A2 (en) 1991-11-13
EP0456224A3 true EP0456224A3 (en) 1993-02-24
EP0456224B1 EP0456224B1 (en) 1996-03-27

Family

ID=14742615

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910107505 Expired - Lifetime EP0456224B1 (en) 1990-05-10 1991-05-08 Color cathode ray tube apparatus

Country Status (3)

Country Link
EP (1) EP0456224B1 (en)
JP (1) JP3034906B2 (en)
DE (1) DE69118235T2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6268705B1 (en) 1995-01-24 2001-07-31 International Business Machines Corporation Raster demodulation apparatus and method
DE69818569T2 (en) 1997-07-15 2004-08-05 Hitachi, Ltd. Color cathode ray tube
TW412056U (en) * 1998-10-26 2000-11-11 Koninkl Philips Electronics Nv Picture display device comprising a deflection unit, and deflection unit for such a picture display device
TWI771003B (en) * 2020-06-17 2022-07-11 漢辰科技股份有限公司 Hybrid magnet structure

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2866125A (en) * 1954-02-09 1958-12-23 Philips Corp Cathode-ray tube
DE2548117A1 (en) * 1974-10-30 1976-05-13 Videon Sa FAST ADJUSTMENT PROCEDURE OF STATIC CONVERGENCE OF ELECTRON BEAMS IN A COLOR TUBE WITH SUITABLE DEVICES
GB1534814A (en) * 1976-07-05 1978-12-06 Tdk Electronics Co Ltd Convergence control unit for television set
EP0053853A1 (en) * 1980-12-05 1982-06-16 Koninklijke Philips Electronics N.V. Defecletion unit for a monochrome cathode-ray display tube and monochrome cathode-ray tube having such a deflection unit mounted on it
EP0059004A1 (en) * 1981-02-18 1982-09-01 Koninklijke Philips Electronics N.V. Picture display tube and display device provided with such a tube
US4755714A (en) * 1986-02-13 1988-07-05 U.S. Philips Corp. Electromagnetic deflection unit for a television picture display tube
EP0348912A2 (en) * 1988-06-27 1990-01-03 Kabushiki Kaisha Toshiba Color cathode ray tube apparatus

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2866125A (en) * 1954-02-09 1958-12-23 Philips Corp Cathode-ray tube
DE2548117A1 (en) * 1974-10-30 1976-05-13 Videon Sa FAST ADJUSTMENT PROCEDURE OF STATIC CONVERGENCE OF ELECTRON BEAMS IN A COLOR TUBE WITH SUITABLE DEVICES
GB1534814A (en) * 1976-07-05 1978-12-06 Tdk Electronics Co Ltd Convergence control unit for television set
EP0053853A1 (en) * 1980-12-05 1982-06-16 Koninklijke Philips Electronics N.V. Defecletion unit for a monochrome cathode-ray display tube and monochrome cathode-ray tube having such a deflection unit mounted on it
EP0059004A1 (en) * 1981-02-18 1982-09-01 Koninklijke Philips Electronics N.V. Picture display tube and display device provided with such a tube
US4755714A (en) * 1986-02-13 1988-07-05 U.S. Philips Corp. Electromagnetic deflection unit for a television picture display tube
EP0348912A2 (en) * 1988-06-27 1990-01-03 Kabushiki Kaisha Toshiba Color cathode ray tube apparatus

Also Published As

Publication number Publication date
DE69118235D1 (en) 1996-05-02
EP0456224A2 (en) 1991-11-13
DE69118235T2 (en) 1996-08-22
EP0456224B1 (en) 1996-03-27
JPH0417238A (en) 1992-01-22
JP3034906B2 (en) 2000-04-17

Similar Documents

Publication Publication Date Title
EP0424888A3 (en) Color cathode ray tube apparatus
EP0241218A3 (en) Cathode ray tube apparatus
TW443575U (en) Color cathode-ray tube apparatus
EP0621625A3 (en) Color cathode ray tube apparatus.
EP0304922A3 (en) Color cathode ray tube
EP0709872A3 (en) Color cathode ray tube apparatus
GB8707975D0 (en) Colour cathode ray tube
GB8717984D0 (en) Colour cathode ray tube
EP0424946A3 (en) Color cathode ray tube apparatus
GB9425036D0 (en) Cathode ray tube display apparatus
GB8626018D0 (en) Cathode ray tube apparatus
EP0410386A3 (en) Color picture tube
EP0529098A4 (en) Color cathode-ray tube
DE3479941D1 (en) Color cathode ray tube apparatus
GB8708574D0 (en) Colour cathode ray tube
SG47717A1 (en) Shielded cathode ray tube
EP0233575A3 (en) Color cathode ray tube apparatus
EP0467332A3 (en) Color cathode-ray tube apparatus
EP0547841A3 (en) Cathode ray tube display apparatus
GB2238163B (en) A color cathode ray tube unit
PL289904A1 (en) Colour image tube
EP0456224A3 (en) Color cathode ray tube apparatus
PL287453A1 (en) Colour image tube
EP0438139A3 (en) Color cathode ray tube
KR970011876B1 (en) Color cathode ray tube

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19910605

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE FR GB

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): DE FR GB

17Q First examination report despatched

Effective date: 19940727

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB

REF Corresponds to:

Ref document number: 69118235

Country of ref document: DE

Date of ref document: 19960502

ET Fr: translation filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
REG Reference to a national code

Ref country code: GB

Ref legal event code: 746

Effective date: 19981012

REG Reference to a national code

Ref country code: FR

Ref legal event code: D6

REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20070503

Year of fee payment: 17

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20070502

Year of fee payment: 17

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20070510

Year of fee payment: 17

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20080508

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20090119

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20080602

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20081202

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20080508