Patent · US Active

Alarm systems and circuits

US12176904B2 · kind B2 · utility

0Cited by
6References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 14, 2021
Grant dateDec 24, 2024
Priority date
Expiry dateOct 14, 2041

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03K2005/00241
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

According to one implementation of the present disclosure, a circuit includes: two or more metal wires, respective XOR gates coupled to each of the two or more top metal wires, a shift register having outputs coupled to the XOR gates, an OR gate configured to receive each of the outputs of the XOR gates, and a latch configured to receive an output of the OR gate and transmit an output signal corresponding to an alarm signal.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.