GB283217A - Improvements in methods of phantomization for telephone circuits - Google Patents

Improvements in methods of phantomization for telephone circuits

Info

Publication number
GB283217A
GB283217A GB414/28A GB41428A GB283217A GB 283217 A GB283217 A GB 283217A GB 414/28 A GB414/28 A GB 414/28A GB 41428 A GB41428 A GB 41428A GB 283217 A GB283217 A GB 283217A
Authority
GB
United Kingdom
Prior art keywords
conductors
pairs
substations
currents
substation
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
GB414/28A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB283217A publication Critical patent/GB283217A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/08—Arrangements for interconnection between switching centres for phantom working
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/26—Improving frequency characteristic by the use of loading coils
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/32—Reducing cross-talk, e.g. by compensating
    • H04B3/34—Reducing cross-talk, e.g. by compensating by systematic interconnection of lengths of cable during laying; by addition of balancing components to cable during laying
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/20—Arrangements affording multiple use of the transmission path using different combinations of lines, e.g. phantom working

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Coils Or Transformers For Communication (AREA)
GB414/28A 1929-04-27 1928-01-05 Improvements in methods of phantomization for telephone circuits Expired GB283217A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT348353X 1929-04-27

Publications (1)

Publication Number Publication Date
GB283217A true GB283217A (en) 1928-07-12

Family

ID=11240179

Family Applications (2)

Application Number Title Priority Date Filing Date
GB414/28A Expired GB283217A (en) 1929-04-27 1928-01-05 Improvements in methods of phantomization for telephone circuits
GB13024/30A Expired GB348353A (en) 1929-04-27 1930-04-28 Improvements in methods of phantomization for telephone circuits

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB13024/30A Expired GB348353A (en) 1929-04-27 1930-04-28 Improvements in methods of phantomization for telephone circuits

Country Status (4)

Country Link
DE (2) DE530058C (de)
FR (2) FR644871A (de)
GB (2) GB283217A (de)
NL (1) NL28227C (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2436188A (en) * 1945-10-12 1948-02-17 Gen Electric Electric winding
US5966056A (en) * 1996-01-26 1999-10-12 Int Labs, Inc. Method and apparatus for enabling the transmission of multiple wide bandwidth electrical signals
WO1999036984A1 (en) * 1998-01-14 1999-07-22 Int Labs, Inc. Method and apparatus for enabling the transmission of multiple wide bandwidth electrical signals
DE102013222522B4 (de) * 2013-11-06 2019-01-24 Leoni Kabel Gmbh Verfahren sowie Vorrichtung zur Übertragung von Daten

Also Published As

Publication number Publication date
FR644871A (fr) 1927-10-16
FR38340E (fr) 1931-05-12
DE566700C (de) 1932-12-21
DE530058C (de) 1931-07-20
GB348353A (en) 1931-05-14
NL28227C (de)

Similar Documents

Publication Publication Date Title
GB283217A (en) Improvements in methods of phantomization for telephone circuits
US3753189A (en) Combined isolating and neutralizing transformer
US2026308A (en) Balanced inductance device
US1827191A (en) Shielded inductance
US2037846A (en) Reduction of disturbing voltages in electric circuits
US2070744A (en) Crosstalk reduction in communication systems
Shaw et al. Development and application of loading for telephone circuits
US1778759A (en) Submarine signaling
US1663730A (en) Electric connection
US2099800A (en) Shielded circuits for open wire lines
GB701359A (en) Method of balancing telephone cables, means of carrying out same and cables balanced by said method
US2116172A (en) Composite set
US1758933A (en) Transposed and tapered antenna
Jewett Dr. George A. Campbell
US1676627A (en) Method and means for reducing cross talk in carrier-current signaling systems
US1362613A (en) Means for neutralizing interfering disturbances
Shanck Neutralization of telegraph crossfire
GB427365A (en) Improvements relating to the reduction of the far-end crosstalk in trunk communication cables
US1322504A (en) Laafwwvl
US2088292A (en) Electrical communication system
US1917016A (en) Circuit for reducing interference
US1198214A (en) Telephone system.
US1770333A (en) Method and means for eliminating disturbing currents
US1769969A (en) Neutralizing transformer arrangement
US789738A (en) Method of propagating wave forms.