EP0690470A1 - Elektronenstrahl-Ablenksystem für Kathodenstrahlröhren - Google Patents

Elektronenstrahl-Ablenksystem für Kathodenstrahlröhren Download PDF

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Publication number
EP0690470A1
EP0690470A1 EP94401502A EP94401502A EP0690470A1 EP 0690470 A1 EP0690470 A1 EP 0690470A1 EP 94401502 A EP94401502 A EP 94401502A EP 94401502 A EP94401502 A EP 94401502A EP 0690470 A1 EP0690470 A1 EP 0690470A1
Authority
EP
European Patent Office
Prior art keywords
deflection system
deflection
ring
coils
rear ring
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
EP94401502A
Other languages
English (en)
French (fr)
Other versions
EP0690470B1 (de
Inventor
Jean-Philippe Descombes
Alain Vougny
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.)
Thomson Tubes and Displays SA
Original Assignee
Thomson Tubes and Displays SA
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 Thomson Tubes and Displays SA filed Critical Thomson Tubes and Displays SA
Priority to EP94401502A priority Critical patent/EP0690470B1/de
Priority to DE69408443T priority patent/DE69408443T2/de
Priority to AT94401502T priority patent/ATE163107T1/de
Priority to TW083108175A priority patent/TW282553B/zh
Priority to US08/465,025 priority patent/US5557165A/en
Priority to KR1019950017736A priority patent/KR100374165B1/ko
Priority to CN95107837A priority patent/CN1066284C/zh
Priority to PL95309455A priority patent/PL176428B1/pl
Priority to SG1995000781A priority patent/SG34243A1/en
Priority to MYPI95001807A priority patent/MY114273A/en
Priority to JP16735695A priority patent/JP4009333B2/ja
Publication of EP0690470A1 publication Critical patent/EP0690470A1/de
Application granted granted Critical
Publication of EP0690470B1 publication Critical patent/EP0690470B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H01J29/70—Arrangements for deflecting ray or beam
    • 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
    • H01J29/72—Arrangements for deflecting ray or beam along one straight line or along two perpendicular straight lines
    • H01J29/76—Deflecting by magnetic fields only
    • H01J29/762—Deflecting by magnetic fields only using saddle coils or printed windings
    • 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
    • H01J29/82—Mounting, supporting, spacing, or insulating electron-optical or ion-optical arrangements
    • H01J29/823—Mounting, supporting, spacing, or insulating electron-optical or ion-optical arrangements around the neck of the tube
    • H01J29/826—Deflection arrangements

Definitions

  • the invention relates to a system for deflecting electron beams for cathode ray tubes, and more particularly to the assembly of its constituent elements and to its attachment to the neck of the tube.
  • Such a deflection system generally consists of a pair of vertical deflection coils, a pair of horizontal deflection coils and a ring of substantially frustoconical shape made of magnetic material intended to concentrate the flux created by the coils.
  • the two pairs of deflection coils are electrically insulated by a separator, generally made of plastic, which also makes it possible to improve the mechanical rigidity of the deflection device, to fix the coils relative to each other and to adjust the together on the neck of the tube.
  • the separator consists of a main body, in one or more parts, substantially in the form of a funnel, and a flexible rear part conforming to the neck of the tube and intended to fix the position of the deflection system along the longitudinal axis. tube; this fixing is generally effected by means of a clamping collar placed above the flexible rear part.
  • the maintenance in position of the vertical deflection coils and the ring of ferromagnetic material is accomplished by means of a crown 13, coming to be fixed on rails 10 arranged on the part substantially cylindrical of the separator 2; this separator is moreover provided with feet, the housings 11 of which are shown in the figure, as well as with an elastic crown 14 allowing the fixing of the deflection device 1 on the neck of the tube by means of a clamping collar placed around 14
  • the crown 13 slides in the rails 10 until the vertical deflection coils are pressed against the front of the separator; a step of bonding the crown 13 completes the immobilization of the assembly.
  • This device can however only be used reliably for the assembly of coils of vertical deflection of the toroidal type, that is to say wound on the ring of ferromagnetic material;
  • the crown 13 mechanically holds both the vertical deflection coils and the ring of ferromagnetic material.
  • the coils 4 extend along the axis Z over a length greater than that of the ring 5; a device as shown in FIG. 2 could not provide mechanical maintenance for the ring 5.
  • the removable rear part, of substantially annular shape 20 is shown from the front in FIG. 4.
  • the same part is shown in FIG. 5, in radial section along the axis AA passing through the flexible legs 22, when it is placed in the deflection system 1.
  • the main body 26 and the removable rear part 22 are joined together by flexible legs 60, arranged on the internal periphery of 22 and s 'extending towards the flared part of the separator; these tabs 60 are provided with openings which snap onto lugs 61 arranged on the internal surface 62 of the main part 2 of the separator.
  • the pins are arranged in such a way that the latching of the legs 60 and of the pins 61 takes place when the rear part 22 abuts on the main body 2, this in order to optimize the mechanical rigidity of the assembly.
  • flexible tabs 22 are arranged on the external periphery of the part 20 so as to partially cover these coils. As illustrated in detail by FIGS. 8A and 8B, these tabs further comprise on their internal surface a protuberance 30 intended to exert pressure on the rear of the coils 25 in order to keep them, without damaging them, pressed against the body of the separator .
  • the tabs 22 are distributed homogeneously over the periphery of the crown 20; in one embodiment of the invention, these legs are 6 in number, distributed regularly every 60 °.
  • the rear part 20 of the separator has arms 21, disposed on its periphery and extending towards the flared part of the separator.
  • the length of these arms is such that the latter come into contact with the ring 5, taking into account the tolerances admissible over the length of the said ring, when the ring is in abutment on the front of the deflection device.
  • These arms are at least 3 to avoid any tilting of the ring 5.
  • it has been chosen to immobilize the ring 5 thanks to 4 arms distributed regularly over the external periphery of the part. rear 20, every 90 °.
  • the latter may have a U-shaped section as shown in FIG. 6 showing in rear section the rear part 20 of the separator.
  • the end of the arms 21 have an opening 40 intended for the passage of the glue which has to adhere the end of the arm to the rear of the ring 5; the U-shape participates in guiding the adhesive towards the end 40.

Landscapes

  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Details Of Television Scanning (AREA)
  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
  • Particle Accelerators (AREA)
EP94401502A 1994-01-07 1994-07-01 Elektronenstrahl-Ablenksystem für Kathodenstrahlröhren Expired - Lifetime EP0690470B1 (de)

Priority Applications (11)

Application Number Priority Date Filing Date Title
EP94401502A EP0690470B1 (de) 1994-07-01 1994-07-01 Elektronenstrahl-Ablenksystem für Kathodenstrahlröhren
DE69408443T DE69408443T2 (de) 1994-07-01 1994-07-01 Elektronenstrahl-Ablenksystem für Kathodenstrahlröhren
AT94401502T ATE163107T1 (de) 1994-07-01 1994-07-01 Elektronenstrahl-ablenksystem für kathodenstrahlröhren
TW083108175A TW282553B (de) 1994-07-01 1994-09-05
US08/465,025 US5557165A (en) 1994-01-07 1995-06-05 Deflection yoke attachment arrangement
KR1019950017736A KR100374165B1 (ko) 1994-07-01 1995-06-28 음극선관용편향요크
CN95107837A CN1066284C (zh) 1994-07-01 1995-06-30 阴极射线管的偏转系统
PL95309455A PL176428B1 (pl) 1994-07-01 1995-06-30 Zespół cewek odchylających dla lampy elektronopromieniowej
SG1995000781A SG34243A1 (en) 1994-07-01 1995-06-30 A deflection yoke attachment arrangement
MYPI95001807A MY114273A (en) 1994-07-01 1995-06-30 A deflection yoke attachment arrangment
JP16735695A JP4009333B2 (ja) 1994-07-01 1995-07-03 偏向ヨーク

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP94401502A EP0690470B1 (de) 1994-07-01 1994-07-01 Elektronenstrahl-Ablenksystem für Kathodenstrahlröhren

Publications (2)

Publication Number Publication Date
EP0690470A1 true EP0690470A1 (de) 1996-01-03
EP0690470B1 EP0690470B1 (de) 1998-02-04

Family

ID=8218023

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94401502A Expired - Lifetime EP0690470B1 (de) 1994-01-07 1994-07-01 Elektronenstrahl-Ablenksystem für Kathodenstrahlröhren

Country Status (11)

Country Link
US (1) US5557165A (de)
EP (1) EP0690470B1 (de)
JP (1) JP4009333B2 (de)
KR (1) KR100374165B1 (de)
CN (1) CN1066284C (de)
AT (1) ATE163107T1 (de)
DE (1) DE69408443T2 (de)
MY (1) MY114273A (de)
PL (1) PL176428B1 (de)
SG (1) SG34243A1 (de)
TW (1) TW282553B (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0794551A1 (de) * 1996-03-08 1997-09-10 THOMSON TUBES & DISPLAYS S.A. Elektronerstrahlablenksystem für eine Kathoderstrahlröhre
EP0821388A1 (de) * 1996-07-25 1998-01-28 THOMSON TUBES & DISPLAYS S.A. Einrichtung zur Befestigung einer Ablenkeinheit auf dem Hals einer Kathodenstrahlröhre
CN100503048C (zh) * 2005-12-30 2009-06-24 赣州金环磁选设备有限公司 干式振动高梯度磁选机

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0764340B1 (de) * 1995-04-05 1999-03-10 Koninklijke Philips Electronics N.V. Kathodenstrahlroehre und ablenkeinheit dafuer
JPH10188847A (ja) * 1996-12-19 1998-07-21 Sony Corp 分割型コイルセパレータ
LT4703B (lt) 1998-09-30 2000-09-25 Samsung Electro-Mechanics Co., Ltd. Deflekcijos sistema
KR100340755B1 (ko) * 1998-09-30 2002-06-15 이형도 편향요크
KR101018742B1 (ko) * 2010-12-30 2011-03-04 삼성물산 주식회사 해상 잭업 플랫폼을 이용한 엘엔지 재기화 설비

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1107347B (de) * 1959-03-23 1961-05-25 Telefunken Patent Anordnung zur magnetischen Ablenkung des Elektronenstrahls einer Kathodenstrahlroehre
US4338584A (en) * 1980-11-24 1982-07-06 Rca Corporation Television deflection yoke mount
EP0241057A1 (de) * 1986-03-28 1987-10-14 Koninklijke Philips Electronics N.V. Farbbildröhre mit einer Ablenkeinheit mit Bildabgleichmitteln
GB2250631A (en) * 1990-12-06 1992-06-10 Samsung Electronic Devices Mounting a deflection yoke on a cathode ray tube

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2692355A (en) * 1951-06-29 1954-10-19 Gen Instrument Corp Cathode-ray tube deflection yoke
JPS5282324U (de) * 1975-12-17 1977-06-20
CA1080780A (en) * 1977-01-19 1980-07-01 Tokyo Shibaura Electric Co. Deflecting yoke device
US4143346A (en) * 1977-07-26 1979-03-06 Zenith Radio Corporation Self converging, north/south pin cushion corrected hybrid yoke
NL8601501A (nl) * 1986-06-10 1988-01-04 Philips Nv Electromagnetische, direct op een drager gewikkelde, afbuigeenheid.
US5028898A (en) * 1988-08-24 1991-07-02 Hitachi, Ltd. Color cathode-ray tube having deflection yoke
US4841267A (en) * 1988-08-26 1989-06-20 Tdk Corporation Deflection apparatus for cathode ray tube
JPH02148542A (ja) * 1988-11-30 1990-06-07 Hitachi Ltd 陰極線管装置と、そこに用いる中間固定部材及び偏向ヨークと、前記陰極線管装置から成る投写形テレビジョン装置
JPH0720835Y2 (ja) * 1989-04-26 1995-05-15 東京特殊電線株式会社 偏向ヨーク
DE3923110A1 (de) * 1989-07-13 1991-01-17 Graetz Nokia Gmbh Abstuetzeinrichtung fuer eine bildroehrenkomponente
JPH0748360B2 (ja) * 1990-01-30 1995-05-24 三洋電機株式会社 偏向ヨーク
JPH03226946A (ja) * 1990-01-31 1991-10-07 Sharp Corp Ｃｒｔ式プロジェクター
KR920001984Y1 (ko) * 1990-04-19 1992-03-26 삼성전관 주식회사 편향요크용 세퍼레이터
JP2566787Y2 (ja) * 1991-02-12 1998-03-30 ソニー株式会社 偏向装置
JPH04112448U (ja) * 1991-03-19 1992-09-30 松下電器産業株式会社 偏向ヨーク
JPH0648153U (ja) * 1992-12-03 1994-06-28 松下電器産業株式会社 偏向ヨーク

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1107347B (de) * 1959-03-23 1961-05-25 Telefunken Patent Anordnung zur magnetischen Ablenkung des Elektronenstrahls einer Kathodenstrahlroehre
US4338584A (en) * 1980-11-24 1982-07-06 Rca Corporation Television deflection yoke mount
EP0241057A1 (de) * 1986-03-28 1987-10-14 Koninklijke Philips Electronics N.V. Farbbildröhre mit einer Ablenkeinheit mit Bildabgleichmitteln
GB2250631A (en) * 1990-12-06 1992-06-10 Samsung Electronic Devices Mounting a deflection yoke on a cathode ray tube

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0794551A1 (de) * 1996-03-08 1997-09-10 THOMSON TUBES & DISPLAYS S.A. Elektronerstrahlablenksystem für eine Kathoderstrahlröhre
US5818159A (en) * 1996-03-08 1998-10-06 Thomson Tubes And Displays, S.A. Electron beam deflection system for a cathode ray tube
EP0821388A1 (de) * 1996-07-25 1998-01-28 THOMSON TUBES & DISPLAYS S.A. Einrichtung zur Befestigung einer Ablenkeinheit auf dem Hals einer Kathodenstrahlröhre
FR2751786A1 (fr) * 1996-07-25 1998-01-30 Thomson Tubes & Displays Dispositif de fixation d'un deviateur sur le col d'un tube a rayons cathodiques
US5923117A (en) * 1996-07-25 1999-07-13 Thomson Tubes And Displays, S.A. Deflection yoke securing device
CN100503048C (zh) * 2005-12-30 2009-06-24 赣州金环磁选设备有限公司 干式振动高梯度磁选机

Also Published As

Publication number Publication date
MY114273A (en) 2002-09-30
DE69408443D1 (de) 1998-03-12
KR100374165B1 (ko) 2003-04-26
DE69408443T2 (de) 1998-09-03
PL309455A1 (en) 1996-01-08
JPH0850865A (ja) 1996-02-20
EP0690470B1 (de) 1998-02-04
SG34243A1 (en) 1996-12-06
CN1066284C (zh) 2001-05-23
CN1119337A (zh) 1996-03-27
KR960005724A (ko) 1996-02-23
PL176428B1 (pl) 1999-05-31
US5557165A (en) 1996-09-17
JP4009333B2 (ja) 2007-11-14
ATE163107T1 (de) 1998-02-15
TW282553B (de) 1996-08-01

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