FR793794A - Improvements to cathode ray tubes for television or oscillography - Google Patents

Improvements to cathode ray tubes for television or oscillography

Info

Publication number
FR793794A
FR793794A FR793794DA FR793794A FR 793794 A FR793794 A FR 793794A FR 793794D A FR793794D A FR 793794DA FR 793794 A FR793794 A FR 793794A
Authority
FR
France
Prior art keywords
oscillography
television
cathode ray
ray tubes
tubes
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.)
Marconis Wireless Telegraph Co Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Marconi Co Ltd
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 Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Application granted granted Critical
Publication of FR793794A publication Critical patent/FR793794A/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
    • H01J29/48—Electron guns
    • H01J29/488—Schematic arrangements of the electrodes for beam forming; Place and form of the elecrodes
FR793794D 1934-08-30 1935-08-14 Improvements to cathode ray tubes for television or oscillography Expired FR793794A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB25023/34A GB443730A (en) 1934-08-30 1934-08-30 Improvements in or relating to cathode ray tubes suitable for use for television and similar oscillograph purposes

Publications (1)

Publication Number Publication Date
FR793794A true FR793794A (en) 1936-01-31

Family

ID=10220965

Family Applications (1)

Application Number Title Priority Date Filing Date
FR793794D Expired FR793794A (en) 1934-08-30 1935-08-14 Improvements to cathode ray tubes for television or oscillography

Country Status (4)

Country Link
US (1) US2153223A (en)
BE (1) BE410992A (en)
FR (1) FR793794A (en)
GB (1) GB443730A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2429824A (en) * 1943-10-08 1947-10-28 Du Mont Allen B Lab Inc Gun structure for cathode-ray tubes
US2818519A (en) * 1953-11-13 1957-12-31 Telefunken Gmbh Cathode-ray tube
US2877369A (en) * 1955-06-02 1959-03-10 Rca Corp Electron beam tube
US2808527A (en) * 1955-11-22 1957-10-01 Gen Electric Cathode support strap
US3317981A (en) * 1963-11-18 1967-05-09 Sylvania Electric Prod Expanding hollow plastic posts on opposite sides of electrode apertures for gripping electrodes
DE3407434A1 (en) * 1984-02-29 1985-08-29 Siemens AG, 1000 Berlin und 8000 München RADIATOR GENERATOR SYSTEM FOR ELECTRONIC TUBES, IN PARTICULAR WALKER TUBES
US5000215A (en) * 1988-04-27 1991-03-19 Phillips Edwin D Bellows seal for valves and the like
US5851476A (en) * 1996-05-17 1998-12-22 Miner Enterprises, Inc. Method of manufacturing a bellowed seal

Also Published As

Publication number Publication date
GB443730A (en) 1936-03-02
US2153223A (en) 1939-04-04
BE410992A (en)

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