3831162

Information

• Patent Grant
• 3831162

• References
• Source

• Patent Number

  3,831,162

• Date Filed

  Not available

• Date Issued

  Tuesday, August 20, 1974
  50 years ago

• CPC

  • G08B13/169 - using cable transducer means
  • G08B13/122 - for a perimeter fence
  • H01L41/087 - formed as coaxial cables

• US Classifications

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