IT1261123B - Sistema di smagnetizzazione per cinescopi sottoposti a campo magneticovariabile - Google Patents

Sistema di smagnetizzazione per cinescopi sottoposti a campo magneticovariabile

Info

Publication number
IT1261123B
IT1261123B ITTO930876A ITTO930876A IT1261123B IT 1261123 B IT1261123 B IT 1261123B IT TO930876 A ITTO930876 A IT TO930876A IT TO930876 A ITTO930876 A IT TO930876A IT 1261123 B IT1261123 B IT 1261123B
Authority
IT
Italy
Prior art keywords
cinescopes
variable field
magnetic variable
demagnetization system
field demagnetization
Prior art date
Application number
ITTO930876A
Other languages
English (en)
Inventor
Renzo Magris
Original Assignee
Seleco Spa
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 Seleco Spa filed Critical Seleco Spa
Priority to ITTO930876A priority Critical patent/IT1261123B/it
Publication of ITTO930876A0 publication Critical patent/ITTO930876A0/it
Priority to EP94118440A priority patent/EP0654949A1/en
Publication of ITTO930876A1 publication Critical patent/ITTO930876A1/it
Application granted granted Critical
Publication of IT1261123B publication Critical patent/IT1261123B/it

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)

Abstract

Viene descritto un sistema di smagnetizzazione per cinescopi, particolarmente adatto per l'impiego in situazioni in cui i cinescopi siano sottoposti a campo magnetico variabile, utilizzante un circuito oscillante smorzato; la caratteristica principale del sistema descritto consiste nel fatto che esso prevede mezzi per invertire periodicamente la polarità della corrente iniziale di smagnetizzazione.
ITTO930876A 1993-11-23 1993-11-23 Sistema di smagnetizzazione per cinescopi sottoposti a campo magneticovariabile IT1261123B (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ITTO930876A IT1261123B (it) 1993-11-23 1993-11-23 Sistema di smagnetizzazione per cinescopi sottoposti a campo magneticovariabile
EP94118440A EP0654949A1 (en) 1993-11-23 1994-11-23 Demagnetization system for kinescope subjected to a variable magnetic field

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO930876A IT1261123B (it) 1993-11-23 1993-11-23 Sistema di smagnetizzazione per cinescopi sottoposti a campo magneticovariabile

Publications (3)

Publication Number Publication Date
ITTO930876A0 ITTO930876A0 (it) 1993-11-23
ITTO930876A1 ITTO930876A1 (it) 1995-05-23
IT1261123B true IT1261123B (it) 1996-05-09

Family

ID=11411887

Family Applications (1)

Application Number Title Priority Date Filing Date
ITTO930876A IT1261123B (it) 1993-11-23 1993-11-23 Sistema di smagnetizzazione per cinescopi sottoposti a campo magneticovariabile

Country Status (2)

Country Link
EP (1) EP0654949A1 (it)
IT (1) IT1261123B (it)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5978507A (ja) * 1982-10-27 1984-05-07 Fuji Jikou Kk 消磁装置
JPH0753342Y2 (ja) * 1987-11-13 1995-12-06 株式会社村田製作所 ブラウン管用消磁装置
JPH05236488A (ja) * 1992-02-18 1993-09-10 Nanao:Kk カラーブラウン管の自動消磁方法と、その装置
DE9215492U1 (de) * 1992-11-13 1993-01-07 Siemens AG, 8000 München Schaltungsanordnung zum Entmagnetisieren von Fernsehbildröhren

Also Published As

Publication number Publication date
EP0654949A1 (en) 1995-05-24
ITTO930876A1 (it) 1995-05-23
ITTO930876A0 (it) 1993-11-23

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Legal Events

Date Code Title Description
0001 Granted