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.)
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.)
Raytheon Co
Original Assignee
American Appliance Co
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 American Appliance CofiledCriticalAmerican Appliance Co
Application grantedgrantedCritical
Publication of FR602218ApublicationCriticalpatent/FR602218A/fr
H01J17/00—Gas-filled discharge tubes with solid cathode
H01J17/02—Details
H01J17/04—Electrodes; Screens
H01J17/06—Cathodes
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01J17/00—Gas-filled discharge tubes with solid cathode
H01J17/38—Cold-cathode tubes
H01J17/40—Cold-cathode tubes with one cathode and one anode, e.g. glow tubes, tuning-indicator glow tubes, voltage-stabiliser tubes, voltage-indicator tubes
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01J2893/00—Discharge tubes and lamps
H01J2893/0064—Tubes with cold main electrodes (including cold cathodes)
H01J2893/0065—Electrode systems
H01J2893/0067—Electrode assembly without control electrodes, e.g. including a screen
FR602218D1925-07-241925-07-24Perfectionnements aux tubes à décharge d'élèctrons
ExpiredFR602218A
(fr)