3864661

Information

• Patent Grant
• 3864661

• References
• Source

• Patent Number

  3,864,661

• Date Filed

  Not available

• Date Issued

  Tuesday, February 4, 1975
  50 years ago

• CPC

  • G01S15/8993 - Three dimensional imaging systems
  • A61B8/00 - Diagnosis using ultrasonic, sonic or infrasonic waves
  • G01S7/52044 - Scan converters
  • G01S7/52069 - Grey-scale displays

• US Classifications

  • 367 - Communications, electrical: acoustic wave systems and devices
  • 073 - Measuring and testing
  • 348 - Television