GB550909A - Improvements in or relating to devices for measuring direct-current voltages of small value - Google Patents

Improvements in or relating to devices for measuring direct-current voltages of small value

Info

Publication number
GB550909A
GB550909A GB162242A GB162242A GB550909A GB 550909 A GB550909 A GB 550909A GB 162242 A GB162242 A GB 162242A GB 162242 A GB162242 A GB 162242A GB 550909 A GB550909 A GB 550909A
Authority
GB
United Kingdom
Prior art keywords
relating
devices
small value
current voltages
measuring direct
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
GB162242A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Priority to GB162242A priority Critical patent/GB550909A/en
Publication of GB550909A publication Critical patent/GB550909A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/18—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of DC into AC, e.g. with choppers

Abstract

550,909. Measuring voltages. PHILIPS LAMPS, Ltd. (Naamlooze Vennootschap Philips' Gloeilampenfabrieken). Feb. 6, 1942, No. 1622. Drawings to Specification. [Class 37] The subject-matter of this Specification is substantially the same as that described in Specification 603,068.
GB162242A 1942-02-06 1942-02-06 Improvements in or relating to devices for measuring direct-current voltages of small value Expired GB550909A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB162242A GB550909A (en) 1942-02-06 1942-02-06 Improvements in or relating to devices for measuring direct-current voltages of small value

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB162242A GB550909A (en) 1942-02-06 1942-02-06 Improvements in or relating to devices for measuring direct-current voltages of small value

Publications (1)

Publication Number Publication Date
GB550909A true GB550909A (en) 1943-01-29

Family

ID=9725136

Family Applications (1)

Application Number Title Priority Date Filing Date
GB162242A Expired GB550909A (en) 1942-02-06 1942-02-06 Improvements in or relating to devices for measuring direct-current voltages of small value

Country Status (1)

Country Link
GB (1) GB550909A (en)

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