Classifications

• • 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
  • H04B1/54—Circuits using the same frequency for two directions of communication
  • H04B1/58—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
  • H01F19/00—Fixed transformers or mutual inductances of the signal type
  • H01F19/02—Audio-frequency transformers or mutual inductances, i.e. not suitable for handling frequencies considerably beyond the audio range
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01Q—ANTENNAS, i.e. RADIO AERIALS
  • H01Q1/00—Details of, or arrangements associated with, antennas
  • H01Q1/27—Adaptation for use in or on movable bodies
  • H01Q1/34—Adaptation for use in or on ships, submarines, buoys or torpedoes
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03C—MODULATION
  • H03C1/00—Amplitude modulation
  • H03C1/16—Amplitude modulation by means of discharge device having at least three electrodes
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03F—AMPLIFIERS
  • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
  • H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03F—AMPLIFIERS
  • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
  • H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
  • H03F1/12—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of attenuating means
  • H03F1/13—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of attenuating means in discharge-tube amplifiers
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03F—AMPLIFIERS
  • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
  • H03F3/02—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with tubes only
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03F—AMPLIFIERS
  • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
  • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
  • H03F3/22—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with tubes only
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03F—AMPLIFIERS
  • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
  • H03F3/46—Reflex amplifiers
  • H03F3/48—Reflex amplifiers with tubes only
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03F—AMPLIFIERS
  • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
  • H03F3/62—Two-way amplifiers
  • H03F3/64—Two-way amplifiers with tubes only
• • 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
  • H04B1/06—Receivers
  • H04B1/16—Circuits
  • H04B1/1638—Special circuits to enhance selectivity of receivers not otherwise provided for
• • 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
  • H04B1/06—Receivers
  • H04B1/16—Circuits
  • H04B1/22—Circuits for receivers in which no local oscillation is generated

Landscapes

• Engineering & Computer Science (AREA)
• Power Engineering (AREA)
• Computer Networks & Wireless Communication (AREA)
• Signal Processing (AREA)
• Multimedia (AREA)
• Amplifiers (AREA)
• Transmitters (AREA)
• Circuit Arrangement For Electric Light Sources In General (AREA)
• Circuit Arrangements For Discharge Lamps (AREA)
• Battery Electrode And Active Subsutance (AREA)
• Primary Cells (AREA)
• External Artificial Organs (AREA)
• Devices For Supply Of Signal Current (AREA)
• Circuit For Audible Band Transducer (AREA)

Applications Claiming Priority (8)

Publications (1)

Family

ID=40032694

Family Applications (5)

Family Applications Before (3)

Family Applications After (1)

Country Status (5)

Families Citing this family (1)

• 0
  • GB GB132118D patent/GB132118A/en active Active
  • NL NL17823D patent/NL17823C/xx active
  • NL NL14277D patent/NL14277C/xx active
  • NL NL16667D patent/NL16667C/xx active
  • NL NL16084D patent/NL16084C/xx active
  • GB GB131639D patent/GB131639A/en active Active
  • GB GB131362D patent/GB131362A/en active Active
  • NL NL16393D patent/NL16393C/xx active
  • GB GB132668D patent/GB132668A/en active Active
• 1916
  • 1916-04-15 FR FR512295A patent/FR512295A/en not_active Expired
  • 1916-09-12 FR FR21851A patent/FR21851E/en not_active Expired
  • 1916-10-02 FR FR21852A patent/FR21852E/en not_active Expired
  • 1916-10-23 FR FR21853A patent/FR21853E/en not_active Expired
  • 1916-10-30 FR FR21854A patent/FR21854E/en not_active Expired
  • 1916-11-30 FR FR21855A patent/FR21855E/en not_active Expired
  • 1916-12-20 FR FR21856A patent/FR21856E/en not_active Expired
• 1917
  • 1917-01-09 FR FR21857A patent/FR21857E/en not_active Expired
  • 1917-04-03 FR FR21858A patent/FR21858E/en not_active Expired
  • 1917-04-16 GB GB5927/18A patent/GB131056A/en not_active Expired
  • 1917-04-30 FR FR21859A patent/FR21859E/en not_active Expired
  • 1917-06-15 FR FR21860A patent/FR21860E/en not_active Expired
  • 1917-06-30 FR FR21861A patent/FR21861E/en not_active Expired
  • 1917-08-02 FR FR21862A patent/FR21862E/en not_active Expired
  • 1917-09-07 FR FR21863A patent/FR21863E/en not_active Expired
  • 1917-09-12 GB GB13094/17A patent/GB129659A/en not_active Expired
  • 1917-10-01 GB GB14165/17A patent/GB129660A/en not_active Expired
  • 1917-10-03 FR FR21864A patent/FR21864E/en not_active Expired
  • 1917-11-17 FR FR21865A patent/FR21865E/en not_active Expired
  • 1917-12-20 GB GB18920/17A patent/GB130022A/en not_active Expired
• 1918
  • 1918-12-04 FR FR21866A patent/FR21866E/en not_active Expired
• 1919
  • 1919-12-02 FR FR22644A patent/FR22644E/en not_active Expired
• 1920
  • 1920-07-08 GB GB19761/20A patent/GB147758A/en not_active Expired
  • 1920-07-08 DE DEL54113D patent/DE450862C/en not_active Expired
  • 1920-07-08 DE DEL63600D patent/DE448995C/en not_active Expired
  • 1920-09-22 FR FR24089A patent/FR24089E/en not_active Expired
• 1921
  • 1921-08-19 US US493670A patent/US1607466A/en not_active Expired - Lifetime
  • 1921-12-02 FR FR25711D patent/FR25711E/en not_active Expired

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