Classifications

• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04J—MULTIPLEX COMMUNICATION
  • H04J1/00—Frequency-division multiplex systems
  • H04J1/02—Details
  • H04J1/14—Arrangements providing for calling or supervisory signals
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03C—MODULATION
  • H03C1/00—Amplitude modulation
  • H03C1/52—Modulators in which carrier or one sideband is wholly or partially suppressed
  • H03C1/54—Balanced modulators, e.g. bridge type, ring type or double balanced type
  • H03C1/56—Balanced modulators, e.g. bridge type, ring type or double balanced type comprising variable two-pole elements only
  • H03C1/58—Balanced modulators, e.g. bridge type, ring type or double balanced type comprising variable two-pole elements only comprising diodes
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04J—MULTIPLEX COMMUNICATION
  • H04J1/00—Frequency-division multiplex systems
  • H04J1/02—Details
  • H04J1/08—Arrangements for combining channels
  • H04J1/085—Terminal station; Combined modulator and demodulator circuits

Landscapes

• Engineering & Computer Science (AREA)
• Computer Networks & Wireless Communication (AREA)
• Signal Processing (AREA)
• Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
• Transceivers (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=19780619

Family Applications (1)

Country Status (6)

Families Citing this family (1)

• 0
  • BE BE456250D patent/BE456250A/xx unknown
  • NL NL70088D patent/NL70088C/xx active
• 1944
  • 1944-06-09 DE DEN2337D patent/DE885725C/de not_active Expired
  • 1944-06-10 FR FR904977D patent/FR904977A/fr not_active Expired
  • 1944-06-12 CH CH242056D patent/CH242056A/de unknown
• 1946
  • 1946-11-22 GB GB34730/46A patent/GB625067A/en not_active Expired

Also Published As

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