FR2248606B1 - - Google Patents

Info

Publication number
FR2248606B1
FR2248606B1 FR7435481A FR7435481A FR2248606B1 FR 2248606 B1 FR2248606 B1 FR 2248606B1 FR 7435481 A FR7435481 A FR 7435481A FR 7435481 A FR7435481 A FR 7435481A FR 2248606 B1 FR2248606 B1 FR 2248606B1
Authority
FR
France
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
FR7435481A
Other languages
French (fr)
Other versions
FR2248606A1 (de
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.)
Zenith Electronics LLC
Original Assignee
Zenith Radio 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 Zenith Radio Corp filed Critical Zenith Radio Corp
Publication of FR2248606A1 publication Critical patent/FR2248606A1/fr
Application granted granted Critical
Publication of FR2248606B1 publication Critical patent/FR2248606B1/fr
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
    • H01J29/48—Electron guns
    • H01J29/50—Electron guns two or more guns in a single vacuum space, e.g. for plural-ray tube
    • H01J29/503—Three or more guns, the axes of which lay in a common plane
FR7435481A 1973-10-23 1974-10-22 Expired FR2248606B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US408720A US3895253A (en) 1973-10-23 1973-10-23 Electron gun having extended field electrostatic focus lens

Publications (2)

Publication Number Publication Date
FR2248606A1 FR2248606A1 (de) 1975-05-16
FR2248606B1 true FR2248606B1 (de) 1977-10-28

Family

ID=23617472

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7435481A Expired FR2248606B1 (de) 1973-10-23 1974-10-22

Country Status (6)

Country Link
US (1) US3895253A (de)
JP (1) JPS5074968A (de)
CA (1) CA1003480A (de)
DE (1) DE2450591A1 (de)
FR (1) FR2248606B1 (de)
GB (1) GB1463349A (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7404365A (nl) * 1974-04-01 1975-10-03 Philips Nv Kathodestraalbuis voor het weergeven van gekleurde beelden.
JPS587015B2 (ja) * 1976-04-20 1983-02-08 松下電子工業株式会社 カラ−受像管装置
JPS5351958A (en) * 1976-10-22 1978-05-11 Hitachi Ltd Electron gun
US4095138A (en) * 1976-11-29 1978-06-13 Zenith Radio Corporation Electron gun having an arc-inhibiting electrode
JPS545374A (en) * 1977-06-15 1979-01-16 Hitachi Ltd Electronic gun
US4368405B1 (en) * 1977-11-22 1995-10-24 Tokyo Shibaura Electric Co Electron gun for a cathode ray tube
ES475304A1 (es) * 1977-11-22 1979-03-16 Tokyo Shibaura Electric Co Perfeccionamientos en canones electronicos para tubos de ra-yos catodicos.
US4253041A (en) * 1979-08-16 1981-02-24 Zenith Radio Corporation Extended field electron gun having a synthesized axial potential
NL8204185A (nl) * 1982-10-29 1984-05-16 Philips Nv Kathodestraalbuis.
DE3561781D1 (en) * 1984-02-20 1988-04-07 Toshiba Kk Electron gun
US5077498A (en) * 1991-02-11 1991-12-31 Tektronix, Inc. Pinched electron beam cathode-ray tube with high-voltage einzel focus lens
JPH0766261B2 (ja) * 1991-06-14 1995-07-19 富士ゼロックス株式会社 対称型デコーダ
US7135821B2 (en) * 2003-10-01 2006-11-14 Altera Corporation High-definition cathode ray tube and electron gun

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3651359A (en) * 1969-04-23 1972-03-21 Sony Corp Abberation correction of plurality of beams in color cathode ray tube
DE2031486A1 (de) * 1970-06-25 1971-12-30 Siemens Ag Elektrostatische Linse, insbesondere für elektrostatisches Vidikon

Also Published As

Publication number Publication date
DE2450591A1 (de) 1975-04-30
GB1463349A (en) 1977-02-02
FR2248606A1 (de) 1975-05-16
JPS5074968A (de) 1975-06-19
CA1003480A (en) 1977-01-11
US3895253A (en) 1975-07-15

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Legal Events

Date Code Title Description
ST Notification of lapse