DK140387C - - Google Patents

Info

Publication number
DK140387C
DK140387C DK411177A DK411177A DK140387C DK 140387 C DK140387 C DK 140387C DK 411177 A DK411177 A DK 411177A DK 411177 A DK411177 A DK 411177A DK 140387 C DK140387 C DK 140387C
Authority
DK
Denmark
Application number
DK411177A
Other languages
Danish (da)
Other versions
DK411177A (zh
DK140387B (da
Inventor
E E Kristensen
J Voldby
Original Assignee
Radiometer Electronics A/S
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 A/S filed Critical Radiometer Electronics A/S
Priority to DK411177A priority Critical patent/DK140387B/da
Priority to DE19782838376 priority patent/DE2838376A1/de
Priority to FR7825726A priority patent/FR2403562A1/fr
Priority to JP11184078A priority patent/JPS5451873A/ja
Publication of DK411177A publication Critical patent/DK411177A/da
Publication of DK140387B publication Critical patent/DK140387B/da
Application granted granted Critical
Publication of DK140387C publication Critical patent/DK140387C/da

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)
DK411177A 1977-09-16 1977-09-16 Apparat til måling af relativ frekvensafvigelse. DK140387B (da)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DK411177A DK140387B (da) 1977-09-16 1977-09-16 Apparat til måling af relativ frekvensafvigelse.
DE19782838376 DE2838376A1 (de) 1977-09-16 1978-09-02 Frequenzmessgeraet
FR7825726A FR2403562A1 (fr) 1977-09-16 1978-09-07 Appareil de mesure de la deviation relative d'une frequence
JP11184078A JPS5451873A (en) 1977-09-16 1978-09-13 Relative frequency deviation measuring instrument

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 (3)

Publication Number Publication Date
DK411177A DK411177A (zh) 1979-03-17
DK140387B DK140387B (da) 1979-08-13
DK140387C true DK140387C (zh) 1980-01-14

Family

ID=8130296

Family Applications (1)

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

Country Status (4)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2505443B1 (fr) * 1981-05-08 1987-06-26 Europ Agence Spatiale Indicateur de position pour vanne, notamment pour vanne de verrouillage

Also Published As

Publication number Publication date
FR2403562A1 (fr) 1979-04-13
DE2838376A1 (de) 1979-05-10
DK411177A (zh) 1979-03-17
DK140387B (da) 1979-08-13
JPS5451873A (en) 1979-04-24

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