3328653

Information

• Patent Grant
• 3328653

• References
• Source

• Patent Number

  3,328,653

• Date Filed

  Not available

• Date Issued

  Tuesday, June 27, 1967
  57 years ago

• CPC

  • G01L23/125 - by changing capacitance
  • G01L9/12 - by making use of variation in capacitance

• US Classifications

  • 361 - Electricity: electrical systems and devices
  • 073 - Measuring and testing
  • 257 - Active solid-state devices
  • 381 - Electrical audio signal processing systems and devices