DE209732C - - Google Patents

Info

Publication number
DE209732C
DE209732C DENDAT209732D DE209732DA DE209732C DE 209732 C DE209732 C DE 209732C DE NDAT209732 D DENDAT209732 D DE NDAT209732D DE 209732D A DE209732D A DE 209732DA DE 209732 C DE209732 C DE 209732C
Authority
DE
Germany
Prior art keywords
alternating current
ratchet wheel
armature
revolutions
drives
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.)
Active
Application number
DENDAT209732D
Other languages
German (de)
English (en)
Publication of DE209732C publication Critical patent/DE209732C/de
Active legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission Devices (AREA)
DENDAT209732D Active DE209732C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE209732C true DE209732C (enrdf_load_stackoverflow)

Family

ID=471676

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT209732D Active DE209732C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE209732C (enrdf_load_stackoverflow)

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