DE3688845D1 - Entmagnetisierungsschaltung fuer eine kathodenstrahlroehre. - Google Patents

Entmagnetisierungsschaltung fuer eine kathodenstrahlroehre.

Info

Publication number
DE3688845D1
DE3688845D1 DE9090200076T DE3688845T DE3688845D1 DE 3688845 D1 DE3688845 D1 DE 3688845D1 DE 9090200076 T DE9090200076 T DE 9090200076T DE 3688845 T DE3688845 T DE 3688845T DE 3688845 D1 DE3688845 D1 DE 3688845D1
Authority
DE
Germany
Prior art keywords
ray tube
cathode ray
demagnetizing circuit
demagnetizing
circuit
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
DE9090200076T
Other languages
English (en)
Other versions
DE3688845T2 (de
Inventor
Peter Eduard Haferl
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 Licensing Corp
Original Assignee
RCA Licensing 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
Priority claimed from GB858525138A external-priority patent/GB8525138D0/en
Application filed by RCA Licensing Corp filed Critical RCA Licensing Corp
Publication of DE3688845D1 publication Critical patent/DE3688845D1/de
Application granted granted Critical
Publication of DE3688845T2 publication Critical patent/DE3688845T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
DE90200076T 1985-10-11 1986-10-03 Entmagnetisierungsschaltung für eine Kathodenstrahlröhre. Expired - Fee Related DE3688845T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB858525138A GB8525138D0 (en) 1985-10-11 1985-10-11 Resonance degaussing circuit
US06/853,421 US4737881A (en) 1985-10-11 1986-04-18 Resonant degaussing apparatus

Publications (2)

Publication Number Publication Date
DE3688845D1 true DE3688845D1 (de) 1993-09-09
DE3688845T2 DE3688845T2 (de) 1994-03-17

Family

ID=26289875

Family Applications (2)

Application Number Title Priority Date Filing Date
DE90200076T Expired - Fee Related DE3688845T2 (de) 1985-10-11 1986-10-03 Entmagnetisierungsschaltung für eine Kathodenstrahlröhre.
DE8686307675T Expired - Fee Related DE3677313D1 (de) 1985-10-11 1986-10-03 Entmagnetisierungsschaltung fuer eine kathodenstrahlroehre.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE8686307675T Expired - Fee Related DE3677313D1 (de) 1985-10-11 1986-10-03 Entmagnetisierungsschaltung fuer eine kathodenstrahlroehre.

Country Status (6)

Country Link
EP (2) EP0373156B1 (de)
JP (1) JP2801183B2 (de)
DE (2) DE3688845T2 (de)
FI (1) FI83580C (de)
HK (1) HK10496A (de)
SG (1) SG139093G (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4700114A (en) * 1986-04-15 1987-10-13 Rca Corporation Vertical deflection circuit
JP2905204B2 (ja) * 1988-03-28 1999-06-14 株式会社東芝 カラー受像管の消磁方法
US5901029A (en) * 1988-03-28 1999-05-04 Kabushiki Kaisha Toshiba Method of degaussing a color cathode ray tube
DE3911313A1 (de) * 1989-04-07 1990-10-11 Grundig Emv Entmagnetisierungsschaltung fuer die bildroehre in videoanzeigegeraeten
JPH0583720A (ja) * 1991-09-20 1993-04-02 Sony Corp Ｃｒｔ装置
US5541805A (en) * 1993-01-15 1996-07-30 Philips Electronics North America Corporation Time delay control switch for vertical deflection in television receiver
US5729092A (en) * 1996-08-22 1998-03-17 Thomson Consumer Electronics, Inc. CRT focus mask degaussing arrangement responsive to a breakdown event
WO2023131802A1 (en) 2022-01-10 2023-07-13 Sarclad Ltd Improvements to electrical discharge texturing machines

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2835611A1 (de) * 1978-08-14 1980-02-28 Licentia Gmbh Schaltung zur entmagnetisierung der bildroehre in einem farbfernsehempfaenger
JPS5821262U (ja) * 1981-07-31 1983-02-09 三原　六郎 釣糸巻取り枠
JPS58714A (ja) * 1982-05-19 1983-01-05 Canon Inc 機械的変位量検出装置
US4489253A (en) * 1982-11-01 1984-12-18 Zenith Electronics Corporation Automatic degaussing circuit with switch mode power supply
US4441052A (en) * 1982-11-26 1984-04-03 Rca Corporation Degaussing circuit for television receiver having switched mode power supply
US4535270A (en) * 1983-11-17 1985-08-13 Rca Corporation Resonant degaussing without residual magnetism

Also Published As

Publication number Publication date
DE3677313D1 (de) 1991-03-07
FI864019A (fi) 1987-04-12
FI83580B (fi) 1991-04-15
FI83580C (fi) 1991-07-25
SG139093G (en) 1994-03-31
EP0373156B1 (de) 1993-08-04
FI864019A0 (fi) 1986-10-03
JPS6292690A (ja) 1987-04-28
JP2801183B2 (ja) 1998-09-21
EP0373156A1 (de) 1990-06-13
EP0219287A1 (de) 1987-04-22
HK10496A (en) 1996-01-26
EP0219287B1 (de) 1991-01-30
DE3688845T2 (de) 1994-03-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee