Classifications

• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04B—TRANSMISSION
  • H04B3/00—Line transmission systems
  • H04B3/02—Details
  • H04B3/40—Artificial lines; Networks simulating a line of certain length
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04M—TELEPHONIC COMMUNICATION
  • H04M1/00—Substation equipment, e.g. for use by subscribers
  • H04M1/738—Interface circuits for coupling substations to external telephone lines
  • H04M1/76—Compensating for differences in line impedance

Landscapes

• Engineering & Computer Science (AREA)
• Signal Processing (AREA)
• Computer Networks & Wireless Communication (AREA)
• Interface Circuits In Exchanges (AREA)
• Devices For Supply Of Signal Current (AREA)
• Networks Using Active Elements (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=7514858

Family Applications (1)

Country Status (6)

• 1964
  • 1964-01-15 DE DE19641437449 patent/DE1437449B2/de active Pending
  • 1964-12-01 NL NL6413946A patent/NL6413946A/xx unknown
• 1965
  • 1965-01-12 SE SE36565A patent/SE331119B/xx unknown
  • 1965-01-13 CH CH42265A patent/CH416754A/de unknown
  • 1965-01-14 GB GB160265A patent/GB1065941A/en not_active Expired
  • 1965-01-15 BE BE658384D patent/BE658384A/xx unknown

Also Published As

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