GB747492A - Improvements in or relating to cathode-ray tubes for indicating tuning - Google Patents

Improvements in or relating to cathode-ray tubes for indicating tuning

Info

Publication number
GB747492A
GB747492A GB7338/53A GB733853A GB747492A GB 747492 A GB747492 A GB 747492A GB 7338/53 A GB7338/53 A GB 7338/53A GB 733853 A GB733853 A GB 733853A GB 747492 A GB747492 A GB 747492A
Authority
GB
United Kingdom
Prior art keywords
cathode
elliptical
rods
equipotential lines
plane
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
GB7338/53A
Other languages
English (en)
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.)
Philips Electrical Industries Ltd
Original Assignee
Philips Electrical Industries 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 Philips Electrical Industries Ltd filed Critical Philips Electrical Industries Ltd
Publication of GB747492A publication Critical patent/GB747492A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00—Cathode ray tubes; Electron beam tubes
    • H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
    • H01J31/10—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes
    • H01J31/12—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with luminescent screen
    • H01J31/14—Magic-eye or analogous tuning indicators

Landscapes

  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
GB7338/53A 1952-03-20 1953-03-17 Improvements in or relating to cathode-ray tubes for indicating tuning Expired GB747492A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE313049X 1952-03-20

Publications (1)

Publication Number Publication Date
GB747492A true GB747492A (en) 1956-04-04

Family

ID=6138349

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7338/53A Expired GB747492A (en) 1952-03-20 1953-03-17 Improvements in or relating to cathode-ray tubes for indicating tuning

Country Status (6)

Country Link
US (1) US2822494A (en:Method)
BE (1) BE518559A (en:Method)
CH (1) CH313049A (en:Method)
FR (1) FR1073069A (en:Method)
GB (1) GB747492A (en:Method)
IT (1) IT500096A (en:Method)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2051189A (en) * 1935-06-27 1936-08-18 Rca Corp Tuning indicator tube
US2243034A (en) * 1937-06-03 1941-05-20 Hygrade Sylvania Corp Fluorescent indicating device
US2105818A (en) * 1937-06-22 1938-01-18 Rogers Radio Tubes Ltd Voltage indicating electron discharge tube
US2321855A (en) * 1940-01-17 1943-06-15 Gen Motors Corp Indicator
DE1252326B (en:Method) * 1940-07-23

Also Published As

Publication number Publication date
US2822494A (en) 1958-02-04
CH313049A (de) 1956-03-15
FR1073069A (fr) 1954-09-20
BE518559A (en:Method)
IT500096A (en:Method)

Similar Documents

Publication Publication Date Title
GB545689A (en) Improvements relating to the construction and arrangement of electrodes in electron discharge devices
GB747755A (en) Improvements in electrode structures for beam discharge devices
US2820916A (en) Tuning indicator valve of small dimension and a high sensitivity
US2591521A (en) Cathode-ray tube and method of manufacturing such tubes
GB1181540A (en) Improvements in or relating to Cathode Ray Tubes.
US2617061A (en) Ion trap for cathodes
GB747492A (en) Improvements in or relating to cathode-ray tubes for indicating tuning
GB768747A (en) Improvements in or relating to devices for reproducing coloured television images
GB1336126A (en) Ion gauges
US2228958A (en) Cathode ray tube
GB913475A (en) Improvements in or relating to cathode-ray tubes
US2340631A (en) Secondary electron amplifier
GB905351A (en) Cathode-ray tubes of the focus-mask variety
GB660107A (en) Improvements in or relating to electron velocity modulation discharge devices
GB907385A (en) Electron gun structure for cathode ray tubes
GB1353455A (en) Cathode-ray tube
US2802128A (en) Tuning indicator valve
GB580860A (en) Improvements in or relating to cathode ray tubes
GB799533A (en) Improvements in and relating to electrostatic lens structures in electron discharge devices
US2139487A (en) Electric discharge tube
US2107518A (en) Electron discharge device
US2730650A (en) Very high frequency electron discharge tubes
GB758770A (en) Damp rod construction for cathode-ray tube grid structure
GB701255A (en) Improvements in or relating to electric discharge tubes
GB626671A (en) Improvements in and relating to anode structures for cathode ray tubes