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
GB34722/29A
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.)
AEG AG
Original Assignee
Allgemeine Elektricitaets Gesellschaft
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 Allgemeine Elektricitaets GesellschaftfiledCriticalAllgemeine Elektricitaets Gesellschaft
Publication of GB349042ApublicationCriticalpatent/GB349042A/en
H01J40/00—Photoelectric discharge tubes not involving the ionisation of a gas
H01J40/02—Details
H01J40/04—Electrodes
Landscapes
Physical Or Chemical Processes And Apparatus
(AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Thyristors
(AREA)
Abstract
349,042. Photo-electric cells. ALLGEMEINE ELEKTRICIT€TS GES., 2, Friedrich Karl-Ufer, Berlin. Nov. 13, 1929, No. 34722. Convention date, Nov. 17, 1928. Void [Published under Sect. 91 of the Acts]. [Class 39 (i).] A grid 5, interposed between the cathode 2 and anode 3 of a photo-electric cell, is maintained at a negative potential so as to collect positive ions. The anode is preferably in the form of a grid.