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.)
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BROWN
BBC Brown Boveri AG Germany
Original Assignee
BROWN
Brown Boveri und Cie AG Germany
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Filing date
Publication date
Application filed by BROWN, Brown Boveri und Cie AG GermanyfiledCriticalBROWN
Application grantedgrantedCritical
Publication of FR875458ApublicationCriticalpatent/FR875458A/en
H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
H03J1/02—Indicating arrangements
H03J1/04—Indicating arrangements with optical indicating means
H03J1/042—Means insuring a precise reading of the dial, e.g. special scale, local illumination possibly temporary, luminous point moving with the pointer
FR875458D1940-09-251941-09-20
Device for adjusting the natural frequency of oscillating electric circuits
ExpiredFR875458A
(en)