GB225506A - Improvements in and relating to pupinised lines for telephone transmission over long distances - Google Patents

Improvements in and relating to pupinised lines for telephone transmission over long distances

Info

Publication number
GB225506A
GB225506A GB14641/24A GB1464124A GB225506A GB 225506 A GB225506 A GB 225506A GB 14641/24 A GB14641/24 A GB 14641/24A GB 1464124 A GB1464124 A GB 1464124A GB 225506 A GB225506 A GB 225506A
Authority
GB
United Kingdom
Prior art keywords
pupinised
relating
lines
transmission over
over long
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
GB14641/24A
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.)
Siemens and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
Siemens AG
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 claimed from DES63992D external-priority patent/DE452286C/de
Application filed by Siemens and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Publication of GB225506A publication Critical patent/GB225506A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/14—Control of transmission; Equalising characterised by the equalising network used
    • H04B3/146—Control of transmission; Equalising characterised by the equalising network used using phase-frequency equalisers
    • H04B3/147—Control of transmission; Equalising characterised by the equalising network used using phase-frequency equalisers fixed equalisers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Suspension Of Electric Lines Or Cables (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
GB14641/24A 1923-10-05 1924-06-17 Improvements in and relating to pupinised lines for telephone transmission over long distances Expired GB225506A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DES63992D DE452286C (de) 1923-10-05 1923-10-05 Pupinleitung zur Sprachuebertragung auf grosse Entfernungen
DES64402D DE453294C (de) 1923-10-05 1923-11-27 UEbertragungssystem mit pupinisierten Leitungen zur Signaluebermittlung auf grosse Entfernungen

Publications (1)

Publication Number Publication Date
GB225506A true GB225506A (en) 1925-06-04

Family

ID=25995762

Family Applications (2)

Application Number Title Priority Date Filing Date
GB14641/24A Expired GB225506A (en) 1923-10-05 1924-06-17 Improvements in and relating to pupinised lines for telephone transmission over long distances
GB14640/24A Expired GB222829A (en) 1923-10-05 1924-06-17 Improvements in and relating to pupinised lines for telephone transmission over longdistances

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB14640/24A Expired GB222829A (en) 1923-10-05 1924-06-17 Improvements in and relating to pupinised lines for telephone transmission over longdistances

Country Status (6)

Country Link
US (1) US1638536A (de)
AT (1) AT102646B (de)
DE (1) DE453294C (de)
FR (1) FR581334A (de)
GB (2) GB225506A (de)
NL (1) NL19246C (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2725534A (en) * 1951-03-08 1955-11-29 Mobil Oil Company Inc Recording seismic waves without phase distortion

Also Published As

Publication number Publication date
NL19246C (de)
AT102646B (de) 1926-02-25
US1638536A (en) 1927-08-09
FR581334A (de) 1924-11-26
DE453294C (de) 1927-12-05
GB222829A (en) 1925-06-04

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