GB1309895A - Distortion meter - Google Patents

Distortion meter

Info

Publication number
GB1309895A
GB1309895A GB4555371A GB4555371A GB1309895A GB 1309895 A GB1309895 A GB 1309895A GB 4555371 A GB4555371 A GB 4555371A GB 4555371 A GB4555371 A GB 4555371A GB 1309895 A GB1309895 A GB 1309895A
Authority
GB
United Kingdom
Prior art keywords
distortion
signals
signal
period
rhombus
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
GB4555371A
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.)
Alcatel CIT SA
Nokia Inc
Original Assignee
Compagnie Industrielle de Telecommunication CIT Alcatel SA
Nokia Inc
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 Compagnie Industrielle de Telecommunication CIT Alcatel SA, Nokia Inc filed Critical Compagnie Industrielle de Telecommunication CIT Alcatel SA
Publication of GB1309895A publication Critical patent/GB1309895A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/24—Testing correct operation
    • H04L1/248—Distortion measuring systems

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Details Of Television Scanning (AREA)
  • Manipulation Of Pulses (AREA)
  • Dc Digital Transmission (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Television Systems (AREA)
GB4555371A 1970-09-30 1971-09-30 Distortion meter Expired GB1309895A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7035404A FR2109093A5 (https=) 1970-09-30 1970-09-30

Publications (1)

Publication Number Publication Date
GB1309895A true GB1309895A (en) 1973-03-14

Family

ID=9062089

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4555371A Expired GB1309895A (en) 1970-09-30 1971-09-30 Distortion meter

Country Status (9)

Country Link
US (1) US3745247A (https=)
JP (1) JPS5440948B1 (https=)
BE (1) BE772795A (https=)
DE (1) DE2148988C3 (https=)
FR (1) FR2109093A5 (https=)
GB (1) GB1309895A (https=)
IT (1) IT942642B (https=)
LU (1) LU63920A1 (https=)
NL (1) NL7113280A (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7026575B2 (ja) * 2018-05-22 2022-02-28 株式会社ニューフレアテクノロジー 電子ビーム照射方法、電子ビーム照射装置、及びプログラム

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2307237A (en) * 1941-03-29 1943-01-05 Bell Telephone Labor Inc Telegraph signal distortion measuring apparatus and system
US2535118A (en) * 1947-02-14 1950-12-26 North Electric Mfg Company Telephone dial testing by means of an oscilloscope pattern
US2481354A (en) * 1948-03-11 1949-09-06 Teletype Corp Bias indicator
US2668192A (en) * 1952-04-02 1954-02-02 Bell Telephone Labor Inc Telegraph signal distortion indicating and measuring device
US2712038A (en) * 1954-03-11 1955-06-28 Stelma Inc Apparatus for analyzing distortions in telegraph signals

Also Published As

Publication number Publication date
NL7113280A (https=) 1972-04-05
FR2109093A5 (https=) 1972-05-26
US3745247A (en) 1973-07-10
DE2148988A1 (de) 1972-04-06
JPS5440948B1 (https=) 1979-12-06
BE772795A (fr) 1972-03-20
IT942642B (it) 1973-04-02
LU63920A1 (https=) 1972-06-27
DE2148988B2 (de) 1979-08-16
DE2148988C3 (de) 1980-05-29

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee