3553723

Information

• Patent Grant
• 3553723

• References
• Source

• Patent Number

  3,553,723

• Date Filed

  Not available

• Date Issued

  Tuesday, January 5, 1971
  54 years ago

• CPC

  • G08B13/00 - Burglar, theft, or intruder alarms
  • G06G7/1935 - by converting at least one the input signals into a two level signal
  • G06G7/1942 - for forming other integrals of product

• US Classifications

  • 702 - Data processing: measuring, calibrating, or testing
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 708 - Electrical computers: arithmetic processing and calculating