DK84569C - Apparatus for measuring frequencies. - Google Patents

Apparatus for measuring frequencies.

Info

Publication number
DK84569C
DK84569C DK57753A DK57753A DK84569C DK 84569 C DK84569 C DK 84569C DK 57753 A DK57753 A DK 57753A DK 57753 A DK57753 A DK 57753A DK 84569 C DK84569 C DK 84569C
Authority
DK
Denmark
Prior art keywords
measuring frequencies
frequencies
measuring
Prior art date
Application number
DK57753A
Other languages
Danish (da)
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of DK84569C publication Critical patent/DK84569C/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/06—Arrangements for supplying the carrier waves ; Arrangements for supplying synchronisation signals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
DK57753A 1952-02-25 1953-02-19 Apparatus for measuring frequencies. DK84569C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE725321X 1952-02-25

Publications (1)

Publication Number Publication Date
DK84569C true DK84569C (en) 1958-03-24

Family

ID=20316096

Family Applications (1)

Application Number Title Priority Date Filing Date
DK57753A DK84569C (en) 1952-02-25 1953-02-19 Apparatus for measuring frequencies.

Country Status (3)

Country Link
DK (1) DK84569C (en)
FR (1) FR1071458A (en)
GB (1) GB725321A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2814775A (en) * 1954-03-19 1957-11-26 Bell Telephone Labor Inc Frequency setting and measuring system
DE1044270B (en) * 1956-08-18 1958-11-20 Siemens Ag Circuit arrangement for the frequency-based comparison of two voltages with different frequencies
DE1111285B (en) * 1956-08-18 1961-07-20 Siemens Ag Circuit arrangement for frequency comparison of two voltages of different frequencies

Also Published As

Publication number Publication date
GB725321A (en) 1955-03-02
FR1071458A (en) 1954-09-01

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