FR2464555A1 - Perfectionnements apportes aux canons electroniques pour tubes images de television en couleur - Google Patents

Perfectionnements apportes aux canons electroniques pour tubes images de television en couleur Download PDF

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Publication number
FR2464555A1
FR2464555A1 FR8018267A FR8018267A FR2464555A1 FR 2464555 A1 FR2464555 A1 FR 2464555A1 FR 8018267 A FR8018267 A FR 8018267A FR 8018267 A FR8018267 A FR 8018267A FR 2464555 A1 FR2464555 A1 FR 2464555A1
Authority
FR
France
Prior art keywords
lens
resistive
section
blocks
electrode
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
FR8018267A
Other languages
English (en)
French (fr)
Other versions
FR2464555B1 (OSRAM
Inventor
David Paul Borfeld
Leon Joseph Vieland
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 Corp
Original Assignee
RCA 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
Application filed by RCA Corp filed Critical RCA Corp
Publication of FR2464555A1 publication Critical patent/FR2464555A1/fr
Application granted granted Critical
Publication of FR2464555B1 publication Critical patent/FR2464555B1/fr
Granted 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
    • H01J29/48—Electron guns
    • H01J29/488—Schematic arrangements of the electrodes for beam forming; Place and form of the elecrodes
    • 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
    • H01J29/62—Electrostatic lenses
    • H01J29/622—Electrostatic lenses producing fields exhibiting symmetry of revolution
    • H01J29/624—Electrostatic lenses producing fields exhibiting symmetry of revolution co-operating with or closely associated to an electron gun

Landscapes

  • Cold Cathode And The Manufacture (AREA)
  • Electron Beam Exposure (AREA)
  • Electron Sources, Ion Sources (AREA)
FR8018267A 1979-08-28 1980-08-21 Perfectionnements apportes aux canons electroniques pour tubes images de television en couleur Granted FR2464555A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/070,538 US4243912A (en) 1979-08-28 1979-08-28 Simplified resistive lens electron gun with compound linear voltage profile

Publications (2)

Publication Number Publication Date
FR2464555A1 true FR2464555A1 (fr) 1981-03-06
FR2464555B1 FR2464555B1 (OSRAM) 1983-11-25

Family

ID=22095894

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8018267A Granted FR2464555A1 (fr) 1979-08-28 1980-08-21 Perfectionnements apportes aux canons electroniques pour tubes images de television en couleur

Country Status (11)

Country Link
US (1) US4243912A (OSRAM)
JP (1) JPS5911177B2 (OSRAM)
BR (1) BR8005355A (OSRAM)
CA (1) CA1143774A (OSRAM)
DD (1) DD153020A5 (OSRAM)
DE (1) DE3032487C2 (OSRAM)
FI (1) FI802647A7 (OSRAM)
FR (1) FR2464555A1 (OSRAM)
GB (1) GB2057753B (OSRAM)
IT (1) IT1132382B (OSRAM)
PL (1) PL130393B1 (OSRAM)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63294918A (ja) * 1987-05-26 1988-12-01 Takeo Yagi 耐熱性濾過部材
US5773925A (en) * 1994-10-24 1998-06-30 Sony Corporation Electron gun for a cathode ray tube
JPH09320485A (ja) * 1996-03-26 1997-12-12 Sony Corp カラー陰極線管
GB2406704B (en) 2003-09-30 2007-02-07 Ims Nanofabrication Gmbh Particle-optic electrostatic lens

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR768196A (fr) * 1933-02-06 1934-08-01 Telefunken Gmbh Lentille électrique appliquée aux phénomènes électroniques
US2143390A (en) * 1933-12-30 1939-01-10 Telefunken Gmbh Electron tube
US2859378A (en) * 1956-05-21 1958-11-04 Gen Electric Electrode system for cathode ray tubes
FR2231103A1 (en) * 1973-05-25 1974-12-20 South African Inventions Electron optical system for image amplifier tubes - has an electrode connection of semiconductor matl
US3932786A (en) * 1974-11-29 1976-01-13 Rca Corporation Electron gun with a multi-element electron lens

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3995194A (en) * 1974-08-02 1976-11-30 Zenith Radio Corporation Electron gun having an extended field electrostatic focus lens
US4010312A (en) * 1975-01-23 1977-03-01 Rca Corporation High resistance cermet film and method of making the same
US4091144A (en) * 1976-05-24 1978-05-23 Rca Corporation Article with electrically-resistive glaze for use in high-electric fields and method of making same
US4124810A (en) * 1977-06-06 1978-11-07 Rca Corporation Electron gun having a distributed electrostatic lens
US4281270A (en) * 1979-06-25 1981-07-28 Rca Corporation Precoated resistive lens structure for electron gun and method of fabrication

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR768196A (fr) * 1933-02-06 1934-08-01 Telefunken Gmbh Lentille électrique appliquée aux phénomènes électroniques
US2143390A (en) * 1933-12-30 1939-01-10 Telefunken Gmbh Electron tube
US2859378A (en) * 1956-05-21 1958-11-04 Gen Electric Electrode system for cathode ray tubes
FR2231103A1 (en) * 1973-05-25 1974-12-20 South African Inventions Electron optical system for image amplifier tubes - has an electrode connection of semiconductor matl
US3932786A (en) * 1974-11-29 1976-01-13 Rca Corporation Electron gun with a multi-element electron lens
FR2293052A1 (fr) * 1974-11-29 1976-06-25 Rca Corp Canon a electrons a moyens de dilatation du champ de lentille de focalisation

Also Published As

Publication number Publication date
PL130393B1 (en) 1984-08-31
GB2057753A (en) 1981-04-01
DE3032487A1 (de) 1981-03-12
JPS5911177B2 (ja) 1984-03-14
IT1132382B (it) 1986-07-02
BR8005355A (pt) 1981-03-10
IT8024099A0 (it) 1980-08-08
JPS5636852A (en) 1981-04-10
DE3032487C2 (de) 1984-06-14
FI802647A7 (fi) 1981-02-28
DD153020A5 (de) 1981-12-16
GB2057753B (en) 1983-05-18
US4243912A (en) 1981-01-06
PL226465A1 (OSRAM) 1981-07-10
CA1143774A (en) 1983-03-29
FR2464555B1 (OSRAM) 1983-11-25

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Legal Events

Date Code Title Description
ST Notification of lapse