GB646231A - Delay-distortion measuring apparatus - Google Patents

Delay-distortion measuring apparatus

Info

Publication number
GB646231A
GB646231A GB726148A GB726148A GB646231A GB 646231 A GB646231 A GB 646231A GB 726148 A GB726148 A GB 726148A GB 726148 A GB726148 A GB 726148A GB 646231 A GB646231 A GB 646231A
Authority
GB
United Kingdom
Prior art keywords
phase
frequency
meter
network
frequencies
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
GB726148A
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.)
Compagnie Industrielle des Telephones SA
Original Assignee
Compagnie Industrielle des Telephones SA
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
Priority to NL72131D priority Critical patent/NL72131C/xx
Application filed by Compagnie Industrielle des Telephones SA filed Critical Compagnie Industrielle des Telephones SA
Priority to GB726148A priority patent/GB646231A/en
Priority to CH271415D priority patent/CH271415A/fr
Publication of GB646231A publication Critical patent/GB646231A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/46—Monitoring; Testing
    • H04B3/462—Testing group delay or phase shift, e.g. timing jitter

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
GB726148A 1948-03-09 1948-03-09 Delay-distortion measuring apparatus Expired GB646231A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
NL72131D NL72131C (enrdf_load_stackoverflow) 1948-03-09
GB726148A GB646231A (en) 1948-03-09 1948-03-09 Delay-distortion measuring apparatus
CH271415D CH271415A (fr) 1948-03-09 1948-03-10 Procédé pour mesurer dans un quadripôle la différence entre le retard de groupe d'une onde de fréquence fo et celui d'une onde de fréquence f et installation pour la mise en oeuvre dudit procédé.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB726148A GB646231A (en) 1948-03-09 1948-03-09 Delay-distortion measuring apparatus

Publications (1)

Publication Number Publication Date
GB646231A true GB646231A (en) 1950-11-15

Family

ID=9829713

Family Applications (1)

Application Number Title Priority Date Filing Date
GB726148A Expired GB646231A (en) 1948-03-09 1948-03-09 Delay-distortion measuring apparatus

Country Status (3)

Country Link
CH (1) CH271415A (enrdf_load_stackoverflow)
GB (1) GB646231A (enrdf_load_stackoverflow)
NL (1) NL72131C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
NL72131C (enrdf_load_stackoverflow)
CH271415A (fr) 1950-10-31

Similar Documents

Publication Publication Date Title
GB606408A (en) Improvements in and relating to frequency-controlled valve oscillators
GB586119A (en) Improvements relating to arrangements for determining distance by means of electromagnetic waves
GB646231A (en) Delay-distortion measuring apparatus
US1916782A (en) Frequency and phase indicating system
GB790219A (en) Variable reactance circuit elements and applications thereof
GB639741A (en) Improvements in or relating to apparatus for testing lines and other electrical networks for time delay
SU48649A1 (ru) Индикатор дл измерени высоких частот
SU620910A1 (ru) Устройство дл измерени затухани четырехполюсника
SU138274A1 (ru) Устройство дл измерени затухани нелинейности четырехполюсников
GB510296A (en) Cross-talk measuring and correcting apparatus
SU661387A1 (ru) Устройство дл измерени малых девиаций частоты
SU824222A1 (ru) Делительное устройство
GB580538A (en) Improvements in or relating to phase measuring apparatus
GB715344A (en) Improvements in or relating to electrical equipment of the kind adapted to provide an electric signal which is substantially proportional to the product of two quantities
SU808958A2 (ru) Устройство дл измерени коэффициентаНЕлиНЕйНыХ иСКАжЕНий гЕНЕРАТОРОВи пРиЕМНиКОВ чАСТОТНО-МОдулиРО-ВАННыХ СигНАлОВ
GB891529A (en) Improvements in or relating to flowmeters
SU422197A1 (ru) Устройство дл приема инфразвуковых колебаний
GB690067A (en) An improved electric testing and measuring arrangement of the bridge type
SU140130A1 (ru) Устройство дл компенсационных измерений пол в аэроэлектроразведке методом индукции
GB576639A (en) Improvements in or relating to circuits for measuring electrical resistances in strain gauges
GB783456A (en) Improvements in or relating to arrangements for determining network insertion loss
GB650617A (en) Improvements in or relating to impedance measuring apparatus
GB1072306A (en) Oscillator
GB598710A (en) Improvements in or relating to electric measuring apparatus
Green The addition of two frequencies in audio apparatus