2497605

Information

• Patent Grant
• 2497605

• References
• Source

• Patent Number

  2,497,605

• Date Filed

  Not available

• Date Issued

  Tuesday, February 14, 1950
  76 years ago

• CPC

  • H03C3/28 - using variable impedance driven mechanically or acoustically
  • H03H2/006 - Transmitter or amplifier output circuits
  • H04R19/00 - Electrostatic transducers

• US Classifications

  • 332 - Modulators
  • 381 - Electrical audio signal processing systems and devices