GB222104A - Improvements in carrier wave working over high tension lines - Google Patents

Improvements in carrier wave working over high tension lines

Info

Publication number
GB222104A
GB222104A GB20772/24A GB2077224A GB222104A GB 222104 A GB222104 A GB 222104A GB 20772/24 A GB20772/24 A GB 20772/24A GB 2077224 A GB2077224 A GB 2077224A GB 222104 A GB222104 A GB 222104A
Authority
GB
United Kingdom
Prior art keywords
relay
call
circuit
station
relays
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
GB20772/24A
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.)
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 GB222104A publication Critical patent/GB222104A/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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/14—Inductive couplings
    • H01F2038/146—Inductive couplings in combination with capacitive coupling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5429—Applications for powerline communications
    • H04B2203/5437—Wired telephone
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5462—Systems for power line communications
    • H04B2203/5483—Systems for power line communications using coupling circuits
    • H04B2203/5487—Systems for power line communications using coupling circuits cables

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Alarm Systems (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Selective Calling Equipment (AREA)
GB20772/24A 1923-09-22 1924-09-03 Improvements in carrier wave working over high tension lines Expired GB222104A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US118862XA 1923-09-22 1923-09-22
US664147A US1678133A (en) 1923-09-22 1923-09-22 Power-line signaling

Publications (1)

Publication Number Publication Date
GB222104A true GB222104A (en) 1925-05-14

Family

ID=69375193

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20772/24A Expired GB222104A (en) 1923-09-22 1924-09-03 Improvements in carrier wave working over high tension lines

Country Status (3)

Country Link
US (1) US1678133A (de)
AT (1) AT118862B (de)
GB (1) GB222104A (de)

Also Published As

Publication number Publication date
US1678133A (en) 1928-07-24
AT118862B (de) 1930-08-25

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