Classifications

• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04M—TELEPHONIC COMMUNICATION
  • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
  • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04B—TRANSMISSION
  • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
  • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
  • H04B1/40—Circuits
  • H04B1/44—Transmit/receive switching
  • H04B1/46—Transmit/receive switching by voice-frequency signals; by pilot signals

Landscapes

• Engineering & Computer Science (AREA)
• Computer Networks & Wireless Communication (AREA)
• Signal Processing (AREA)
• Inorganic Insulating Materials (AREA)
• Insulating Bodies (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=4464721

Family Applications (1)

Country Status (4)

• 0
  • BE BE363945D patent/BE363945A/xx unknown
  • NL NL32129D patent/NL32129C/xx active
• 1925
  • 1925-12-14 FR FR608265D patent/FR608265A/fr not_active Expired
  • 1925-12-21 GB GB32252/25A patent/GB245131A/en not_active Expired

Also Published As

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