Classifications

• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03K—PULSE TECHNIQUE
  • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
  • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
  • H03K3/04—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of vacuum tubes only, with positive feedback
  • H03K3/05—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of vacuum tubes only, with positive feedback using means other than a transformer for feedback
  • H03K3/06—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of vacuum tubes only, with positive feedback using means other than a transformer for feedback using at least two tubes so coupled that the input of one is derived from the output of another, e.g. multivibrator
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03C—MODULATION
  • H03C3/00—Angle modulation
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03K—PULSE TECHNIQUE
  • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
  • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
  • H03K3/04—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of vacuum tubes only, with positive feedback
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04B—TRANSMISSION
  • H04B14/00—Transmission systems not characterised by the medium used for transmission
  • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
  • H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
  • H04B14/042—Special circuits, e.g. comparators
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
  • H04L27/00—Modulated-carrier systems
  • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
  • H04L27/12—Modulator circuits; Transmitter circuits

Landscapes

• Engineering & Computer Science (AREA)
• Computer Networks & Wireless Communication (AREA)
• Signal Processing (AREA)
• Power Engineering (AREA)
• Electrotherapy Devices (AREA)
• Amplifiers (AREA)
• Reduction Or Emphasis Of Bandwidth Of Signals (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=19782751

Family Applications (1)

Country Status (7)

Families Citing this family (5)

Family Cites Families (1)

• 0
  • NL NL727204239A patent/NL153237B/en unknown
  • BE BE502837D patent/BE502837A/xx unknown
  • NL NL91351D patent/NL91351C/xx active
• 1951
  • 1951-03-20 US US216487A patent/US2647208A/en not_active Expired - Lifetime
  • 1951-04-25 DE DEN3821A patent/DE851364C/en not_active Expired
  • 1951-04-25 GB GB9632/51A patent/GB697127A/en not_active Expired
  • 1951-04-26 CH CH291033D patent/CH291033A/en unknown
  • 1951-04-26 FR FR1042920D patent/FR1042920A/en not_active Expired

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