3102420

Information

• Patent Grant
• 3102420

• References
• Source

• Patent Number

  3,102,420

• Date Filed

  Not available

• Date Issued

  Tuesday, September 3, 1963
  61 years ago

• CPC

  • G01L1/18 - using properties of piezo-resistive materials
  • G01L1/2275 - for non linearity
  • H04R21/02 - Microphones
  • H04R23/006 - using solid state devices

• US Classifications

  • 073 - Measuring and testing
  • 257 - Active solid-state devices
  • 338 - Electrical resistors