Classifications

• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
  • H04L25/00—Baseband systems
  • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
  • H04L25/20—Repeater circuits; Relay circuits
  • H04L25/22—Repeaters for converting two wires to four wires; Repeaters for converting single current to double current
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
  • H04L12/00—Data switching networks

Landscapes

• Engineering & Computer Science (AREA)
• Computer Networks & Wireless Communication (AREA)
• Signal Processing (AREA)
• Power Engineering (AREA)
• Interface Circuits In Exchanges (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=7522247

Family Applications (1)

Country Status (9)

Families Citing this family (1)

• 1965
  • 1965-09-15 DE DES99439A patent/DE1276687B/de not_active Withdrawn
• 1966
  • 1966-09-12 CH CH1315466A patent/CH451997A/de unknown
  • 1966-09-13 AT AT863166A patent/AT269233B/de active
  • 1966-09-14 SE SE12353/66A patent/SE317404B/xx unknown
  • 1966-09-14 DK DK475466AA patent/DK118890B/da unknown
  • 1966-09-14 GB GB40972/66A patent/GB1112137A/en not_active Expired
  • 1966-09-15 NL NL6613053A patent/NL6613053A/xx unknown
  • 1966-09-15 BE BE686918D patent/BE686918A/xx unknown
• 1969
  • 1969-10-15 US US866773A patent/US3548080A/en not_active Expired - Lifetime

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