2992412

Information

• Patent Grant
• 2992412

• References
• Source

• Patent Number

  2,992,412

• Date Filed

  Not available

• Date Issued

  Tuesday, July 11, 1961
  63 years ago

• CPC

  • H03J9/04 - using ultrasonic, sonic or infrasonic waves
  • Y10S116/30 - Remote TV tuner
  • Y10T307/944 - Power circuit controlled

• US Classifications

  • 455 - Telecommunications
  • 116 - Signals and indicators
  • 307 - Electrical transmission or interconnection systems
  • 367 - Communications, electrical: acoustic wave systems and devices