FR906803A - Dispositif de mesure des fréquences - Google Patents

Dispositif de mesure des fréquences

Info

Publication number
FR906803A
FR906803A FR906803DA FR906803A FR 906803 A FR906803 A FR 906803A FR 906803D A FR906803D A FR 906803DA FR 906803 A FR906803 A FR 906803A
Authority
FR
France
Prior art keywords
measuring device
frequency measuring
frequency
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.)
Expired
Application number
Other languages
English (en)
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
Application granted granted Critical
Publication of FR906803A publication Critical patent/FR906803A/fr
Expired 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
    • G01R23/06—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into an amplitude of current or voltage
    • G01R23/09—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into an amplitude of current or voltage using analogue integrators, e.g. capacitors establishing a mean value by balance of input signals and defined discharge signals or leakage

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR906803D 1943-08-19 1944-08-17 Dispositif de mesure des fréquences Expired FR906803A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL906803X 1943-08-19

Publications (1)

Publication Number Publication Date
FR906803A true FR906803A (fr) 1946-02-21

Family

ID=19858611

Family Applications (1)

Application Number Title Priority Date Filing Date
FR906803D Expired FR906803A (fr) 1943-08-19 1944-08-17 Dispositif de mesure des fréquences

Country Status (1)

Country Link
FR (1) FR906803A (fr)

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