FR1089670A - Fréquencemètre électronique - Google Patents

Fréquencemètre électronique

Info

Publication number
FR1089670A
FR1089670A FR1089670DA FR1089670A FR 1089670 A FR1089670 A FR 1089670A FR 1089670D A FR1089670D A FR 1089670DA FR 1089670 A FR1089670 A FR 1089670A
Authority
FR
France
Prior art keywords
frequency meter
electronic frequency
electronic
meter
frequency
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.)
NATIONAAL LUCHTVAARTLABORATORIUM
Original Assignee
NATIONAAL LUCHTVAARTLABORATORIUM
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 NATIONAAL LUCHTVAARTLABORATORIUM filed Critical NATIONAAL LUCHTVAARTLABORATORIUM
Application granted granted Critical
Publication of FR1089670A publication Critical patent/FR1089670A/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)
FR1089670D 1952-10-30 1953-10-29 Fréquencemètre électronique Expired FR1089670A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1089670X 1952-10-30

Publications (1)

Publication Number Publication Date
FR1089670A true FR1089670A (fr) 1955-03-21

Family

ID=19868840

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1089670D Expired FR1089670A (fr) 1952-10-30 1953-10-29 Fréquencemètre électronique

Country Status (1)

Country Link
FR (1) FR1089670A (fr)

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