FR1071458A - Device for frequency comparison - Google Patents

Device for frequency comparison

Info

Publication number
FR1071458A
FR1071458A FR1071458DA FR1071458A FR 1071458 A FR1071458 A FR 1071458A FR 1071458D A FR1071458D A FR 1071458DA FR 1071458 A FR1071458 A FR 1071458A
Authority
FR
France
Prior art keywords
frequency comparison
comparison
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
French (fr)
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of FR1071458A publication Critical patent/FR1071458A/en
Expired legal-status Critical Current

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

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
FR1071458D 1952-02-25 1953-02-25 Device for frequency comparison Expired FR1071458A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR1071458A true FR1071458A (en) 1954-09-01

Family

ID=20316096

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1071458D Expired FR1071458A (en) 1952-02-25 1953-02-25 Device for frequency comparison

Country Status (3)

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

Cited By (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

Cited By (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
DK84569C (en) 1958-03-24

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