3594583

Information

• Patent Grant
• 3594583

• References
• Source

• Patent Number

  3,594,583

• Date Filed

  Not available

• Date Issued

  Tuesday, July 20, 1971
  53 years ago

• CPC

  • H04N3/02 - by optical-mechanical means only
  • G01H9/002 - for representing acoustic field distribution

• US Classifications

  • 250 - Radiant energy
  • 313 - Electric lamp and discharge devices
  • 348 - Television
  • 359 - Optical: systems and elements
  • 367 - Communications, electrical: acoustic wave systems and devices