3800276

Information

• Patent Grant
• 3800276

• References
• Source

• Patent Number

  3,800,276

• Date Filed

  Not available

• Date Issued

  Tuesday, March 26, 1974
  50 years ago

• CPC

  • G01S15/8975 - using acoustical image/electron beam converter tubes
  • G10K11/004 - Mounting transducers
  • G10K11/30 - using refraction
  • H01J31/495 - Pick-up tubes adapted for an input of sonic, ultrasonic, or mechanical vibrations and having an electric output

• US Classifications

  • 367 - Communications, electrical: acoustic wave systems and devices
  • 315 - Electric lamp and discharge devices: systems