Classifications

• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03C—MODULATION
  • H03C1/00—Amplitude modulation
  • H03C1/46—Modulators with mechanically-driven or acoustically-driven parts
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03F—AMPLIFIERS
  • H03F13/00—Amplifiers using amplifying element consisting of two mechanically- or acoustically-coupled transducers, e.g. telephone-microphone amplifier
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03F—AMPLIFIERS
  • H03F15/00—Amplifiers using galvano-magnetic effects not involving mechanical movement, e.g. using Hall effect
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03F—AMPLIFIERS
  • H03F9/00—Magnetic amplifiers
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
  • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
  • H03H9/46—Filters
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
  • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
  • H03H9/46—Filters
  • H03H9/48—Coupling means therefor
  • H03H9/50—Mechanical coupling means

Landscapes

• Engineering & Computer Science (AREA)
• Power Engineering (AREA)
• Physics & Mathematics (AREA)
• Acoustics & Sound (AREA)
• Apparatuses For Generation Of Mechanical Vibrations (AREA)
• Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
• Regulation Of General Use Transformers (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=19822763

Family Applications (1)

Country Status (6)

Cited By (1)

Families Citing this family (3)

Family Cites Families (6)

• 0
  • BE BE521064D patent/BE521064A/xx unknown
  • NL NL81605D patent/NL81605C/xx active
  • NL NLAANVRAGE7109267,A patent/NL170727B/xx unknown
• 1953
  • 1953-06-26 GB GB17802/53A patent/GB742897A/en not_active Expired
  • 1953-06-29 FR FR1079673D patent/FR1079673A/fr not_active Expired
  • 1953-06-30 US US365104A patent/US2901555A/en not_active Expired - Lifetime
  • 1953-06-30 DE DEN7385A patent/DE928968C/de not_active Expired

Also Published As

Similar Documents