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.)
Ver Gluehlampen & Elek AG
Original Assignee
Ver Gluehlampen & Elek AG
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 Ver Gluehlampen & Elek AGfiledCriticalVer Gluehlampen & Elek AG
Publication of GB519921ApublicationCriticalpatent/GB519921A/en
H03J3/12—Electrically-operated arrangements for indicating correct tuning
H03J3/14—Visual indication, e.g. magic eye
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
Stromrichterröhre mit Oxydkathode und mehr als 0,3 mm Hg Betriebsdruck, für eine effektive Anodenwechselspannung von mehr als 100 V und einen gleichgerichteten Strom von wenigstens 10 Ampère.