DE2403627C3 - Permanentmagnetische Fokussiervorrichtung - Google Patents

Permanentmagnetische Fokussiervorrichtung

Info

Publication number
DE2403627C3
DE2403627C3 DE2403627A DE2403627A DE2403627C3 DE 2403627 C3 DE2403627 C3 DE 2403627C3 DE 2403627 A DE2403627 A DE 2403627A DE 2403627 A DE2403627 A DE 2403627A DE 2403627 C3 DE2403627 C3 DE 2403627C3
Authority
DE
Germany
Prior art keywords
focusing device
rings
permanent
permanent magnet
axis
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
DE2403627A
Other languages
German (de)
English (en)
Other versions
DE2403627A1 (de
DE2403627B2 (de
Inventor
Jean St.Egreve Fraleux
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.)
Thales SA
Original Assignee
Thomson CSF 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 CSF SA filed Critical Thomson CSF SA
Publication of DE2403627A1 publication Critical patent/DE2403627A1/de
Publication of DE2403627B2 publication Critical patent/DE2403627B2/de
Application granted granted Critical
Publication of DE2403627C3 publication Critical patent/DE2403627C3/de
Expired legal-status Critical Current

Links

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
    • H01J29/58—Arrangements for focusing or reflecting ray or beam
    • H01J29/64—Magnetic lenses
    • H01J29/68—Magnetic lenses using permanent magnets only

Landscapes

  • Microwave Tubes (AREA)
  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
DE2403627A 1973-01-26 1974-01-25 Permanentmagnetische Fokussiervorrichtung Expired DE2403627C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7302837A FR2215700B1 (https=) 1973-01-26 1973-01-26

Publications (3)

Publication Number Publication Date
DE2403627A1 DE2403627A1 (de) 1974-08-01
DE2403627B2 DE2403627B2 (de) 1980-09-25
DE2403627C3 true DE2403627C3 (de) 1981-05-27

Family

ID=9113913

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2403627A Expired DE2403627C3 (de) 1973-01-26 1974-01-25 Permanentmagnetische Fokussiervorrichtung

Country Status (5)

Country Link
US (1) US3859613A (https=)
JP (1) JPS604543B2 (https=)
DE (1) DE2403627C3 (https=)
FR (1) FR2215700B1 (https=)
GB (1) GB1463892A (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5319339A (en) * 1993-03-08 1994-06-07 The United States Of America As Represented By The Secretary Of The Army Tubular structure having transverse magnetic field with gradient
US20090067059A1 (en) * 2007-09-11 2009-03-12 William Patrick Crabtree Device and method for altering the path of magnetic waves to record the activity thereof
US9429631B2 (en) * 2007-09-11 2016-08-30 William Patrick Crabtree Device and method for altering the path of radio waves to record the image information available in said waves
CN116964194A (zh) 2021-02-05 2023-10-27 国立大学法人神户大学 诱导性多能干细胞衍生的γδT细胞及其产生方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB827968A (en) * 1956-03-05 1960-02-10 Plessey Co Ltd Improvements in magnetic focussing devices for cathode-ray tubes
GB835271A (en) * 1956-08-27 1960-05-18 Standard Telephones Cables Ltd Periodic magnetic electron beam focusing arrangement
US3207961A (en) * 1963-09-25 1965-09-21 Gen Motors Corp Linear relay actuator
US3283200A (en) * 1963-12-12 1966-11-01 Varian Associates High frequency electron discharge device having improved permanent magnetic focusing
DE1192753B (de) * 1964-01-24 1965-05-13 Magnetfab Bonn Gmbh Ringfoermiger Korrekturmagnet fuer Kathodenstrahlroehren
DE1491426A1 (de) * 1964-08-12 1969-05-22 Siemens Ag Permanentmagnetsystem zur gebuendelten Fuehrung eines Elektrodenstrahls ueber eine lengere Wegstrecke,insbesondere fuer Wanderfeldroehren
DE1564322C3 (de) * 1966-04-28 1975-04-17 Magnetfabrik Bonn Gmbh Vorm. Gewerkschaft Windhorst, 5300 Bonn Zu einem Paar verbundene Ringmagnete für Kathodenstrahlröhren
US3781592A (en) * 1972-06-08 1973-12-25 Raytheon Co Radial magnetized magnet

Also Published As

Publication number Publication date
GB1463892A (en) 1977-02-09
FR2215700B1 (https=) 1976-05-14
DE2403627A1 (de) 1974-08-01
FR2215700A1 (https=) 1974-08-23
JPS49107171A (https=) 1974-10-11
JPS604543B2 (ja) 1985-02-05
US3859613A (en) 1975-01-07
DE2403627B2 (de) 1980-09-25

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee