GB1551322A - Frequency selective level meters and tracking generators - Google Patents

Frequency selective level meters and tracking generators

Info

Publication number
GB1551322A
GB1551322A GB2005776A GB2005776A GB1551322A GB 1551322 A GB1551322 A GB 1551322A GB 2005776 A GB2005776 A GB 2005776A GB 2005776 A GB2005776 A GB 2005776A GB 1551322 A GB1551322 A GB 1551322A
Authority
GB
United Kingdom
Prior art keywords
frequency selective
level meters
selective level
generators
tracking
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
GB2005776A
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.)
TELECTRON Ltd
Original Assignee
TELECTRON Ltd
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 TELECTRON Ltd filed Critical TELECTRON Ltd
Publication of GB1551322A publication Critical patent/GB1551322A/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
    • H04J1/16—Monitoring arrangements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H3/00—Measuring characteristics of vibrations by using a detector in a fluid
    • G01H3/04—Frequency
    • G01H3/08—Analysing frequencies present in complex vibrations, e.g. comparing harmonics present
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/0007—Frequency selective voltage or current level measuring
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/16—Spectrum analysis; Fourier analysis

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
GB2005776A 1975-05-16 1976-05-14 Frequency selective level meters and tracking generators Expired GB1551322A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IE111275A IE43897B1 (en) 1975-05-16 1975-05-16 Improvements in and relating to frequency selective level meters and tracking generators

Publications (1)

Publication Number Publication Date
GB1551322A true GB1551322A (en) 1979-08-30

Family

ID=11022095

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2005776A Expired GB1551322A (en) 1975-05-16 1976-05-14 Frequency selective level meters and tracking generators

Country Status (4)

Country Link
DE (1) DE2622304A1 (enExample)
FR (1) FR2311313A1 (enExample)
GB (1) GB1551322A (enExample)
IE (1) IE43897B1 (enExample)

Also Published As

Publication number Publication date
FR2311313B3 (enExample) 1980-10-17
IE43897B1 (en) 1981-07-01
IE43897L (en) 1976-11-16
DE2622304A1 (de) 1976-12-16
FR2311313A1 (fr) 1976-12-10

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee