HK24893A - Resonant degaussing without residual magnetism - Google Patents

Resonant degaussing without residual magnetism Download PDF

Info

Publication number
HK24893A
HK24893A HK248/93A HK24893A HK24893A HK 24893 A HK24893 A HK 24893A HK 248/93 A HK248/93 A HK 248/93A HK 24893 A HK24893 A HK 24893A HK 24893 A HK24893 A HK 24893A
Authority
HK
Hong Kong
Prior art keywords
degaussing
current
resonant
capacitor
display apparatus
Prior art date
Application number
HK248/93A
Other languages
English (en)
Inventor
Richard Frantz Keith
Allen Barnes Robert
George Marks Bruce
Original Assignee
Rca Thomson Licensing Corporation
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 Thomson Licensing Corporation filed Critical Rca Thomson Licensing Corporation
Publication of HK24893A publication Critical patent/HK24893A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/16—Picture reproducers using cathode ray tubes
    • H04N9/29—Picture reproducers using cathode ray tubes using demagnetisation or compensation of external magnetic fields

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Details Of Television Scanning (AREA)
HK248/93A 1983-11-17 1993-03-18 Resonant degaussing without residual magnetism HK24893A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/553,007 US4535270A (en) 1983-11-17 1983-11-17 Resonant degaussing without residual magnetism

Publications (1)

Publication Number Publication Date
HK24893A true HK24893A (en) 1993-03-26

Family

ID=24207736

Family Applications (1)

Application Number Title Priority Date Filing Date
HK248/93A HK24893A (en) 1983-11-17 1993-03-18 Resonant degaussing without residual magnetism

Country Status (10)

Country Link
US (1) US4535270A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPH0697791B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
KR (1) KR920006153B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE901048A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1258291A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3441978A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2555385B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2150400B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
HK (1) HK24893A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1206344B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4636911A (en) * 1984-11-30 1987-01-13 Rca Corporation Resonant degaussing for a video display system
NL8500862A (nl) * 1985-03-25 1986-10-16 Philips Nv Werkwijze voor het vervaardigen van een kleurenbeeldbuis en inrichting voor het uitvoeren van deze werkwijze.
US4742270A (en) * 1985-09-30 1988-05-03 Rca Corporation Degaussing circuit with residual current cutoff
GB8525138D0 (en) * 1985-10-11 1985-11-13 Rca Corp Resonance degaussing circuit
EP0219287B1 (en) * 1985-10-11 1991-01-30 Rca Licensing Corporation Cathode ray tube degaussing circuitry
US4700114A (en) * 1986-04-15 1987-10-13 Rca Corporation Vertical deflection circuit
GB2196817A (en) * 1986-10-30 1988-05-05 Ibm Degaussing system offsets ambient magnetic fields
GB8705956D0 (en) * 1987-03-13 1987-04-15 Rca Corp Charge pump
JP2965565B2 (ja) * 1988-02-18 1999-10-18 株式会社東芝 映像管の消磁方法、その消磁装置、カラーテレビジョン受像機およびカラー受像管の試験方法
US5901029A (en) * 1988-03-28 1999-05-04 Kabushiki Kaisha Toshiba Method of degaussing a color cathode ray tube
JP2612044B2 (ja) * 1988-07-21 1997-05-21 株式会社日立製作所 電子ファイル装置
US4950955A (en) * 1988-09-06 1990-08-21 Rca Licensing Corporation Magnetic field compensator for a CRT
US4996461A (en) * 1989-09-07 1991-02-26 Hughes Aircraft Company Closed loop bucking field system
US5168195A (en) * 1991-08-09 1992-12-01 Thomson Consumer Electronics, Inc. Magnetic field compensation apparatus
US5499156A (en) * 1994-11-18 1996-03-12 Hughes Aircraft Company Forced, resonant degaussing system and method
US5929641A (en) * 1996-08-22 1999-07-27 Thomson Consumer Electronics, Inc. Breakdown event detector
US5729092A (en) * 1996-08-22 1998-03-17 Thomson Consumer Electronics, Inc. CRT focus mask degaussing arrangement responsive to a breakdown event
DE60139624D1 (de) 2000-06-15 2009-10-01 3M Innovative Properties Co Erzeugung eines mehrfarbenbildes mittels eines multiphoton photochemischen verfahren

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1554575A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1966-02-25 1969-01-24
US3733524A (en) * 1972-03-01 1973-05-15 Singer Co Degaussing circuit
NL167289C (nl) * 1973-09-13 1981-11-16 Philips Nv Kleurentelevisieweergeefinrichting voorzien van een kleurentelevisiebeeldbuis en een ontmagnetiserings- inrichting.
SE403686B (sv) * 1977-01-14 1978-08-28 Philips Svenska Ab Avmagnetiseringsanordning
DE2835611A1 (de) * 1978-08-14 1980-02-28 Licentia Gmbh Schaltung zur entmagnetisierung der bildroehre in einem farbfernsehempfaenger
DE3127299A1 (de) * 1981-07-10 1983-02-03 Blaupunkt-Werke Gmbh, 3200 Hildesheim Farbfernsehmonitor
US4380716A (en) * 1981-10-09 1983-04-19 Hazeltine Corporation External magnetic field compensator for a CRT
JPS5927690A (ja) * 1982-08-07 1984-02-14 Denki Onkyo Co Ltd 消磁方法
US4441052A (en) * 1982-11-26 1984-04-03 Rca Corporation Degaussing circuit for television receiver having switched mode power supply

Also Published As

Publication number Publication date
DE3441978A1 (de) 1985-06-05
IT8423357A0 (it) 1984-10-29
DE3441978C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-07-30
BE901048A (fr) 1985-03-01
FR2555385B1 (fr) 1989-10-13
CA1258291A (en) 1989-08-08
FR2555385A1 (fr) 1985-05-24
KR920006153B1 (ko) 1992-07-31
GB8429056D0 (en) 1984-12-27
KR850004010A (ko) 1985-06-29
JPS60137194A (ja) 1985-07-20
IT1206344B (it) 1989-04-14
US4535270A (en) 1985-08-13
GB2150400A (en) 1985-06-26
JPH0697791B2 (ja) 1994-11-30
GB2150400B (en) 1987-10-14

Similar Documents

Publication Publication Date Title
HK24893A (en) Resonant degaussing without residual magnetism
DE3467281D1 (en) Circuit for detecting picture motion in interlaced television signal
SG15489G (en) Display screen touch position detection apparatus
HK18395A (en) Degaussing circuit with residual current cutoff
ZA922217B (en) Apparatus for the separation of a gaseous mixture.
JPS537101A (en) Tuning device
DE3463331D1 (en) Circuit for generating a deflection current through the field deflection coil of a picture display device
GB2187360B (en) Sub-picture processing circuit for a two-picture television circuit
GB2135850B (en) Television circuit for the reduction of flicker on a display
IT1173760B (it) Ingresso di sincronizzazione per una visualizzazione alfanumerica sulla schermo di un ricevitore televisivo
KR880012102A (ko) 공진 소자 회로
JPS5311507A (en) Tv receiver
JPS53117929A (en) Power circuit
JPS5431225A (en) Horizontal deflection circuit
JPS52103914A (en) Television
JPS53126814A (en) Synchronous pulse reproducing device
JPS52100926A (en) Static picture reception equipment
JPS55100790A (en) Outside magnetic field correction unit
EP0562413A3 (en) Circuit for synchronizing an on-screen-display (osd) on a picture screen
JPS53129893A (en) Magnetic eraser
JPS53126816A (en) Measuring device for televsion picture receiver
JPS5229115A (en) Synchronous circuit
JPS5422713A (en) High voltage control circuit
JPS53143121A (en) Remote operation unit
JPS52144918A (en) Picture enlargement unit

Legal Events

Date Code Title Description
PE Patent expired
PE Patent expired

Effective date: 20041115