DE179642C - - Google Patents

Info

Publication number
DE179642C
DE179642C DENDAT179642D DE179642DA DE179642C DE 179642 C DE179642 C DE 179642C DE NDAT179642 D DENDAT179642 D DE NDAT179642D DE 179642D A DE179642D A DE 179642DA DE 179642 C DE179642 C DE 179642C
Authority
DE
Germany
Prior art keywords
collector segment
tachometers
machines
wave
measuring
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
DENDAT179642D
Other languages
German (de)
English (en)
Publication of DE179642C publication Critical patent/DE179642C/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 And Conversion Of Sensor Element Output (AREA)
DENDAT179642D Active DE179642C (cg-RX-API-DMAC7.html)

Publications (1)

Publication Number Publication Date
DE179642C true DE179642C (cg-RX-API-DMAC7.html)

Family

ID=443958

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT179642D Active DE179642C (cg-RX-API-DMAC7.html)

Country Status (1)

Country Link
DE (1) DE179642C (cg-RX-API-DMAC7.html)

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