3781717

Information

• Patent Grant
• 3781717

• References
• Source

• Patent Number

  3,781,717

• Date Filed

  Not available

• Date Issued

  Tuesday, December 25, 1973
  51 years ago

• CPC

  • H03H9/72 - Networks using surface acoustic waves
  • H03H9/02653 - Grooves or arrays buried in the substrate
  • H03H9/02771 - Reflector banks
  • H03H9/02905 - Measures for separating propagation paths on substrate
  • H04R17/08 - signals being recorded or played back by vibration of a stylus in two orthogonal directions simultaneously

• US Classifications

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