3663896

Information

• Patent Grant
• 3663896

• References
• Source

• Patent Number

  3,663,896

• Date Filed

  Not available

• Date Issued

  Tuesday, May 16, 1972
  52 years ago

• CPC

  • H03C3/28 - using variable impedance driven mechanically or acoustically
  • G10K11/00 - Methods or devices for transmitting, conducting or directing sound in general Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
  • H03C1/00 - Amplitude modulation

• US Classifications

  • 332 - Modulators
  • 324 - Electricity: measuring and testing