3665380

Information

• Patent Grant
• 3665380

• References
• Source

• Patent Number

  3,665,380

• Date Filed

  Not available

• Date Issued

  Tuesday, May 23, 1972
  52 years ago

• CPC

  • G01S3/8055 - adjusting orientation of a single directivity characteristic to produce maximum or minimum signal
  • G01S3/8032 - wherein the signals are derived sequentially
  • G01S3/8083 - determining direction of source
  • Y10S367/91 - Portable sonar devices

• US Classifications

  • 367 - Communications, electrical: acoustic wave systems and devices
  • 128 - Surgery