3526872

Information

• Patent Grant
• 3526872

• References
• Source

• Patent Number

  3,526,872

• Date Filed

  Not available

• Date Issued

  Tuesday, September 1, 1970
  54 years ago

• CPC

  • G01S15/66 - Sonar tracking systems
  • G01S3/807 - the desired condition being maintained automatically
  • G01S3/8083 - determining direction of source
  • H03K17/78 - using opto-electronic devices

• US Classifications

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