3832530

Information

• Patent Grant
• 3832530

• References
• Source

• Patent Number

  3,832,530

• Date Filed

  Not available

• Date Issued

  Tuesday, August 27, 1974
  50 years ago

• CPC

  • G06K7/10336 - the antenna being of the near field type, inductive coil
  • B07C3/12 - using electric or electronic detecting means
  • B65G47/496 - by use of magnetic responsive means
  • G06K7/10435 - the interrogation device being positioned close to a conveyor belt or the like on which moving record carriers are passing
  • G07B15/00 - Arrangements or apparatus for collecting fares, tolls or entrance fees at one or more control points

• US Classifications

  • 235 - Registers
  • 340 - Communications: electrical
  • 342 - Communications: directive radio wave systems and devices