3919669

Information

• Patent Grant
• 3919669

• References
• Source

• Patent Number

  3,919,669

• Date Filed

  Not available

• Date Issued

  Tuesday, November 11, 1975
  49 years ago

• CPC

  • H03H9/6496 - Reducing ripple in transfer characteristic
  • G02F1/335 - having an optical waveguide structure
  • H03H9/02968 - with optical devices
  • H03H9/14561 - Arched, curved or ring shaped transducers
  • H03H9/44 - Frequency dependent delay lines
  • H03H9/76 - Networks using surface acoustic waves
  • H03H9/14547 - Fan shaped; Tilted; Shifted; Slanted; Tapered; Arched; Stepped finger transducers

• US Classifications

  • 333 - Wave transmission lines and networks
  • 310 - Electrical generator or motor structure
  • 385 - Optical waveguides