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FR774925A - Cathode ray tube for the production of large format television images - Google Patents

Cathode ray tube for the production of large format television images

Info

Publication number
FR774925A
FR774925A FR774925DA FR774925A FR 774925 A FR774925 A FR 774925A FR 774925D A FR774925D A FR 774925DA FR 774925 A FR774925 A FR 774925A
Authority
FR
France
Prior art keywords
production
ray tube
cathode ray
large format
television images
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
Other languages
French (fr)
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.)
Loewe Opta GmbH
Original Assignee
Loewe Opta GmbH
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 Loewe Opta GmbH filed Critical Loewe Opta GmbH
Application granted granted Critical
Publication of FR774925A publication Critical patent/FR774925A/en
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
    • H01J29/70—Arrangements for deflecting ray or beam
    • H01J29/72—Arrangements for deflecting ray or beam along one straight line or along two perpendicular straight lines
FR774925D 1933-06-27 1934-06-25 Cathode ray tube for the production of large format television images Expired FR774925A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE440106X 1933-06-27

Publications (1)

Publication Number Publication Date
FR774925A true FR774925A (en) 1934-12-17

Family

ID=6507993

Family Applications (1)

Application Number Title Priority Date Filing Date
FR774925D Expired FR774925A (en) 1933-06-27 1934-06-25 Cathode ray tube for the production of large format television images

Country Status (3)

Country Link
US (1) US2111941A (en)
FR (1) FR774925A (en)
GB (1) GB440106A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2449339A (en) * 1945-11-13 1948-09-14 Rca Corp Cathode-ray tube
US4739218A (en) * 1985-04-18 1988-04-19 Schwartz Samuel A Short cathode ray tube
US5223764A (en) * 1991-12-09 1993-06-29 Chunghwa Picture Tubes, Ltd. Electron gun with low voltage limiting aperture main lens
US5159240A (en) * 1991-12-09 1992-10-27 Chunghwa Picture Tubes, Ltd. Low voltage limiting aperture electron gun
US5220239A (en) * 1991-12-09 1993-06-15 Chunghwa Picture Tubes, Ltd. High density electron beam generated by low voltage limiting aperture gun
US5204585A (en) * 1992-04-27 1993-04-20 Chen Hsing Yao Electron beam deflection lens for color CRT
US5327044A (en) * 1992-04-27 1994-07-05 Chunghwa Picture Tubes, Ltd. Electron beam deflection lens for CRT
US5182492A (en) * 1992-05-20 1993-01-26 Chunghwa Picture Tubes, Ltd. Electron beam shaping aperture in low voltage, field-free region of electron gun

Also Published As

Publication number Publication date
US2111941A (en) 1938-03-22
GB440106A (en) 1935-12-20

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