Classifications

• • 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
  • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
  • H03H9/542—Filters comprising resonators of piezoelectric or electrostrictive material including passive elements
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
  • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
  • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
  • H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
  • H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
  • H03B5/326—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator the resonator being an acoustic wave device, e.g. SAW or BAW device
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
  • H03B9/00—Generation of oscillations using transit-time effects
  • H03B9/12—Generation of oscillations using transit-time effects using solid state devices, e.g. Gunn-effect devices
• • 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
  • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
  • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
  • H03H9/30—Time-delay networks
  • H03H9/36—Time-delay networks with non-adjustable delay time

Landscapes

• Physics & Mathematics (AREA)
• Acoustics & Sound (AREA)
• Engineering & Computer Science (AREA)
• Power Engineering (AREA)
• Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
• Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
• Transducers For Ultrasonic Waves (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=22307320

Family Applications (1)

Country Status (7)

Families Citing this family (21)

Family Cites Families (5)

• 0
  • NL NL277613D patent/NL277613A/xx unknown
• 1961
  • 1961-04-26 US US105700A patent/US3173100A/en not_active Expired - Lifetime
• 1962
  • 1962-04-18 GB GB15003/62A patent/GB1005219A/en not_active Expired
  • 1962-04-21 ES ES276929A patent/ES276929A1/es not_active Expired
  • 1962-04-25 CH CH497962A patent/CH413914A/de unknown
  • 1962-04-26 BE BE616959A patent/BE616959A/fr unknown
  • 1962-04-26 DE DEW32148A patent/DE1276834B/de active Pending

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