3919881

Information

• Patent Grant
• 3919881

• References
• Source

• Patent Number

  3,919,881

• Date Filed

  Not available

• Date Issued

  Tuesday, November 18, 1975
  49 years ago

• CPC

  • G01N29/0663 - by acoustic holography
  • G01S15/8972 - with optical reconstruction of the image
  • G03H3/00 - Holographic processes or apparatus using ultrasonic, sonic or infrasonic waves for obtaining holograms Processes or apparatus for obtaining an optical image from them
  • Y10S359/901 - Acoustic holography

• US Classifications

  • 073 - Measuring and testing
  • 359 - Optical: systems and elements
  • 367 - Communications, electrical: acoustic wave systems and devices