ES316905A1 - Un aparato desmagnetizador para un tubo de imagen de television en color. - Google Patents

Un aparato desmagnetizador para un tubo de imagen de television en color.

Info

Publication number
ES316905A1
ES316905A1 ES0316905A ES316905A ES316905A1 ES 316905 A1 ES316905 A1 ES 316905A1 ES 0316905 A ES0316905 A ES 0316905A ES 316905 A ES316905 A ES 316905A ES 316905 A1 ES316905 A1 ES 316905A1
Authority
ES
Spain
Prior art keywords
screen
tube
image tube
color television
coil
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
Application number
ES0316905A
Other languages
English (en)
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.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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 RCA Corp, Radio Corporation of America filed Critical RCA Corp
Publication of ES316905A1 publication Critical patent/ES316905A1/es
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/003Arrangements for eliminating unwanted electromagnetic effects, e.g. demagnetisation arrangements, shielding coils
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/88Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • B29C48/901Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies
    • B29C48/903Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies externally
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/88Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • B29C48/907Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article using adjustable calibrators, e.g. the dimensions of the calibrator being changeable
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/12Picture reproducers
    • H04N9/16Picture reproducers using cathode ray tubes
    • H04N9/29Picture reproducers using cathode ray tubes using demagnetisation or compensation of external magnetic fields
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00Details of cathode ray tubes or electron beam tubes
    • H01J2229/0007Elimination of unwanted or stray electromagnetic effects
    • H01J2229/0046Preventing or cancelling fields within the enclosure
    • H01J2229/0053Demagnetisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • Electromagnetism (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
ES0316905A 1964-08-31 1965-08-28 Un aparato desmagnetizador para un tubo de imagen de television en color. Expired ES316905A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US393200A US3322998A (en) 1964-08-31 1964-08-31 Color purity correcting apparatus for colored television picture tubes

Publications (1)

Publication Number Publication Date
ES316905A1 true ES316905A1 (es) 1965-11-16

Family

ID=23553694

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0316905A Expired ES316905A1 (es) 1964-08-31 1965-08-28 Un aparato desmagnetizador para un tubo de imagen de television en color.

Country Status (9)

Country Link
US (1) US3322998A (es)
BE (1) BE668783A (es)
BR (1) BR6572568D0 (es)
DE (1) DE1270074C2 (es)
ES (1) ES316905A1 (es)
FR (1) FR1452177A (es)
GB (1) GB1109103A (es)
NL (1) NL148474B (es)
SE (1) SE323981B (es)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6514206A (es) * 1965-11-03 1967-05-05
US3486080A (en) * 1966-11-22 1969-12-23 Northern Electric Co Time delay de-energization of relays using thermistors
US3431454A (en) * 1967-07-31 1969-03-04 Zenith Radio Corp Cathode-ray tube magnetic shield and tube mount
JPS5118695Y1 (es) * 1968-07-01 1976-05-18
JPS4893729U (es) * 1972-02-15 1973-11-09
US3867668A (en) * 1973-11-29 1975-02-18 Rca Corp Cathode-ray tube having an internal-external magnetic shield and degaussing combination
US3947632A (en) * 1975-07-23 1976-03-30 Rca Corporation Start-up power supply for a television receiver
NL7707476A (nl) * 1977-07-06 1979-01-09 Philips Nv Werkwijze voor het vervaardigen van een kleuren- beeldbuis en kleurenbeeldbuis vervaardigd vol- gens die werkwijze.
AU535877B2 (en) * 1979-02-16 1984-04-12 Rca Corp. Degaussing television tube
US4316119A (en) * 1979-02-16 1982-02-16 Rca Corporation Tilted unitary degaussing coil arrangement
US4243913A (en) * 1979-08-29 1981-01-06 Rca Corporation Color picture tube magnetic shielding and degaussing structure
IT1145396B (it) * 1980-11-19 1986-11-05 Texas Instruments Italia Spa Perfezionamento nei rele' elettromagnetici ad eccitazione controllata da un elemento a coefficiente positivo di temperatura
GB2177539B (en) * 1985-05-20 1989-07-05 Mitsubishi Electric Corp Magnetic shielding system in color television receiver
IT1251351B (it) * 1990-06-25 1995-05-08 Videocolor Spa Apparecchio per la compensazione di campi magnetici
DE4041484A1 (de) * 1990-12-22 1992-06-25 Thomson Brandt Gmbh Entmagnetisierungsschaltung fuer die bildroehre in einem fernsehempfaenger
US5561333A (en) * 1993-05-10 1996-10-01 Mti, Inc. Method and apparatus for reducing the intensity of magnetic field emissions from video display units
US5594615A (en) * 1993-05-10 1997-01-14 Mti, Inc. Method and apparatus for reducing the intensity of magenetic field emissions from display device
EP0783706A1 (en) * 1994-09-14 1997-07-16 MTI, Inc. Method and apparatus for reducing the intensity of magnetic field emissions from video display units
KR100265172B1 (ko) * 1996-02-24 2000-09-15 윤종용 모니터의 디가우징 코일 고정장치

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2925524A (en) * 1956-03-16 1960-02-16 Gen Electric Methods and structures correcting for beam deflections in a television picture tube
US2898509A (en) * 1958-06-26 1959-08-04 Rca Corp Static magnetic field means for color television receivers
US3018401A (en) * 1959-03-05 1962-01-23 Westinghouse Electric Corp Color television apparatus
US3249795A (en) * 1964-08-31 1966-05-03 Admiral Corp Automatic degaussing circuit for color receivers

Also Published As

Publication number Publication date
GB1109103A (en) 1968-04-10
SE323981B (es) 1970-05-19
FR1452177A (fr) 1966-02-25
DE1270074C2 (de) 1975-05-07
NL6511288A (es) 1966-03-01
NL148474B (nl) 1976-01-15
DE1270074B (de) 1968-06-12
BE668783A (es) 1965-12-16
BR6572568D0 (pt) 1973-06-14
US3322998A (en) 1967-05-30

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