GB246785A - Power line carrier wave signalling system - Google Patents

Power line carrier wave signalling system

Info

Publication number
GB246785A
GB246785A GB14211/25A GB1421125A GB246785A GB 246785 A GB246785 A GB 246785A GB 14211/25 A GB14211/25 A GB 14211/25A GB 1421125 A GB1421125 A GB 1421125A GB 246785 A GB246785 A GB 246785A
Authority
GB
United Kingdom
Prior art keywords
pass
power line
impedances
shows
minimum attenuation
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
GB14211/25A
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.)
WESTERN ELECTRIC CO Ltd
AT&T Corp
Original Assignee
WESTERN ELECTRIC CO Ltd
Western Electric Co 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 WESTERN ELECTRIC CO Ltd, Western Electric Co Inc filed Critical WESTERN ELECTRIC CO Ltd
Publication of GB246785A publication Critical patent/GB246785A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • H04B3/56—Circuits for coupling, blocking, or by-passing of signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
GB14211/25A 1925-01-31 1925-05-29 Power line carrier wave signalling system Expired GB246785A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5974A US1669589A (en) 1925-01-31 1925-01-31 Power-line signaling system

Publications (1)

Publication Number Publication Date
GB246785A true GB246785A (en) 1926-07-08

Family

ID=21718655

Family Applications (1)

Application Number Title Priority Date Filing Date
GB14211/25A Expired GB246785A (en) 1925-01-31 1925-05-29 Power line carrier wave signalling system

Country Status (4)

Country Link
US (1) US1669589A (enrdf_load_stackoverflow)
FR (1) FR600925A (enrdf_load_stackoverflow)
GB (1) GB246785A (enrdf_load_stackoverflow)
NL (1) NL18434C (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4912553A (en) * 1986-03-28 1990-03-27 Pal Theodore L Wideband video system for single power line communications

Also Published As

Publication number Publication date
NL18434C (enrdf_load_stackoverflow)
US1669589A (en) 1928-05-15
FR600925A (fr) 1926-02-18

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