GB541251A - Methods of automatically controlling the transmission characteristics in electric wave transmission systems - Google Patents

Methods of automatically controlling the transmission characteristics in electric wave transmission systems

Info

Publication number
GB541251A
GB541251A GB9626/40A GB962640A GB541251A GB 541251 A GB541251 A GB 541251A GB 9626/40 A GB9626/40 A GB 9626/40A GB 962640 A GB962640 A GB 962640A GB 541251 A GB541251 A GB 541251A
Authority
GB
United Kingdom
Prior art keywords
signal
cells
network
wave form
checking
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
GB9626/40A
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Publication of GB541251A publication Critical patent/GB541251A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R13/00—Arrangements for displaying electric variables or waveforms
    • G01R13/20—Cathode-ray oscilloscopes
    • G01R13/208—Arrangements for measuring with C.R. oscilloscopes, e.g. vectorscope
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F19/00—Fixed transformers or mutual inductances of the signal type
    • H01F19/04—Transformers or mutual inductances suitable for handling frequencies considerably beyond the audio range
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
    • H02P1/16—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters
    • H02P1/26—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual polyphase induction motor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/46—Monitoring; Testing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/10—Arrangements for reducing cross-talk between channels

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Measuring Magnetic Variables (AREA)
GB9626/40A 1939-06-03 1940-06-01 Methods of automatically controlling the transmission characteristics in electric wave transmission systems Expired GB541251A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR859905T 1939-06-03

Publications (1)

Publication Number Publication Date
GB541251A true GB541251A (en) 1941-11-19

Family

ID=9330724

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9626/40A Expired GB541251A (en) 1939-06-03 1940-06-01 Methods of automatically controlling the transmission characteristics in electric wave transmission systems

Country Status (4)

Country Link
US (1) US2556242A (en:Method)
FR (1) FR859905A (en:Method)
GB (1) GB541251A (en:Method)
NL (1) NL70111C (en:Method)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2716733A (en) * 1950-05-10 1955-08-30 Exxon Research Engineering Co Variable bandwidth band-pass filter

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE865005C (de) * 1942-07-16 1953-01-29 Siemens Ag Verfahren zum Einpegeln von Fernmeldeverbindungen
US3037192A (en) * 1957-12-27 1962-05-29 Research Corp Data processing system
US3167665A (en) * 1960-05-12 1965-01-26 Ensley A Godby Magnetic anomaly simulator
US3213196A (en) * 1962-01-02 1965-10-19 Gen Dynamics Corp Data bit transmission system with means to adjust line equalizer in response to display on monitoring oscilloscope

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2055174A (en) * 1931-05-12 1936-09-22 Kwartin Bernard Multielement cathode ray tube
NL48565C (en:Method) * 1936-04-28
FR821664A (fr) * 1936-05-13 1937-12-10 Telefunken Gmbh Perfectionnements aux dispositifs de compensation des tensions perturbatrices dans les appareils cathodiques d'exploration employés en télévision
US2214019A (en) * 1937-10-30 1940-09-10 Bell Telephone Labor Inc Electronic switching device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2716733A (en) * 1950-05-10 1955-08-30 Exxon Research Engineering Co Variable bandwidth band-pass filter

Also Published As

Publication number Publication date
FR859905A (fr) 1941-01-02
US2556242A (en) 1951-06-12
NL70111C (en:Method)

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