GB355672A - Improvements in and applicable to photo-electric cell circuits - Google Patents

Improvements in and applicable to photo-electric cell circuits

Info

Publication number
GB355672A
GB355672A GB1599930A GB1599930A GB355672A GB 355672 A GB355672 A GB 355672A GB 1599930 A GB1599930 A GB 1599930A GB 1599930 A GB1599930 A GB 1599930A GB 355672 A GB355672 A GB 355672A
Authority
GB
United Kingdom
Prior art keywords
resistance
photo
amplifier
applicable
electric cell
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
GB1599930A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB1599930A priority Critical patent/GB355672A/en
Publication of GB355672A publication Critical patent/GB355672A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J40/00—Photoelectric discharge tubes not involving the ionisation of a gas
    • H01J40/02—Details
    • H01J40/14—Circuit arrangements not adapted to a particular application of the tube and not otherwise provided for

Landscapes

  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)

Abstract

355,672. Converting electric currents. MARSHALL, C., 25, Harrington Drive, Nottingham. May 24, 1930, No. 15999. .[Class 38 (ii).] In an amplifier for handling the output from a photo-electric cell the necessary operating voltages are derived from the mains through a filter or smoothing circuit. The supply voltage, preferably raised to approximately 1000 volts, is fed through a filter circuit, comprising a resistance R<1> in series with inductances D, E, and shunt condensers Cl .. C<4>, to a tapped resistance R<2>, from which anode voltage for an indirectly-heated amplifier V is fed through a resistance R<3>. The anode voltage for the photoelectric cell P is taken from a tapped resistance R<4> in series with a resistance R<5>. The output from the amplifier is taken off at O.
GB1599930A 1930-05-24 1930-05-24 Improvements in and applicable to photo-electric cell circuits Expired GB355672A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1599930A GB355672A (en) 1930-05-24 1930-05-24 Improvements in and applicable to photo-electric cell circuits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1599930A GB355672A (en) 1930-05-24 1930-05-24 Improvements in and applicable to photo-electric cell circuits

Publications (1)

Publication Number Publication Date
GB355672A true GB355672A (en) 1931-08-24

Family

ID=10069352

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1599930A Expired GB355672A (en) 1930-05-24 1930-05-24 Improvements in and applicable to photo-electric cell circuits

Country Status (1)

Country Link
GB (1) GB355672A (en)

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