FR2403562A1 - Appareil de mesure de la deviation relative d'une frequence - Google Patents

Appareil de mesure de la deviation relative d'une frequence

Info

Publication number
FR2403562A1
FR2403562A1 FR7825726A FR7825726A FR2403562A1 FR 2403562 A1 FR2403562 A1 FR 2403562A1 FR 7825726 A FR7825726 A FR 7825726A FR 7825726 A FR7825726 A FR 7825726A FR 2403562 A1 FR2403562 A1 FR 2403562A1
Authority
FR
France
Prior art keywords
register
display
measuring circuit
frequency measuring
subsequently fed
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.)
Withdrawn
Application number
FR7825726A
Other languages
English (en)
French (fr)
Inventor
Erik Edeling Kristensen
Jorgen Voldby
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.)
Radiometer Electronics AS
Original Assignee
Radiometer Electronics AS
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 Radiometer Electronics AS filed Critical Radiometer Electronics AS
Publication of FR2403562A1 publication Critical patent/FR2403562A1/fr
Withdrawn legal-status Critical Current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
    • G01R23/15—Indicating that frequency of pulses is either above or below a predetermined value or within or outside a predetermined range of values, by making use of non-linear or digital elements (indicating that pulse width is above or below a certain limit)
    • 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
    • G01R23/10—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into a train of pulses, which are then counted, i.e. converting the signal into a square wave

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
FR7825726A 1977-09-16 1978-09-07 Appareil de mesure de la deviation relative d'une frequence Withdrawn FR2403562A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK411177A DK140387B (da) 1977-09-16 1977-09-16 Apparat til måling af relativ frekvensafvigelse.

Publications (1)

Publication Number Publication Date
FR2403562A1 true FR2403562A1 (fr) 1979-04-13

Family

ID=8130296

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7825726A Withdrawn FR2403562A1 (fr) 1977-09-16 1978-09-07 Appareil de mesure de la deviation relative d'une frequence

Country Status (4)

Country Link
JP (1) JPS5451873A (ko)
DE (1) DE2838376A1 (ko)
DK (1) DK140387B (ko)
FR (1) FR2403562A1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2505443A1 (fr) * 1981-05-08 1982-11-12 Europ Agence Spatiale Indicateur de position pour vanne, notamment pour vanne de verrouillage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2505443A1 (fr) * 1981-05-08 1982-11-12 Europ Agence Spatiale Indicateur de position pour vanne, notamment pour vanne de verrouillage

Also Published As

Publication number Publication date
DK411177A (ko) 1979-03-17
DK140387C (ko) 1980-01-14
DE2838376A1 (de) 1979-05-10
JPS5451873A (en) 1979-04-24
DK140387B (da) 1979-08-13

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Legal Events

Date Code Title Description
ST Notification of lapse