Electrical alarm and methods of making and using the alarm
US11138849B2 · kind B2 · utility
0Cited by
0References
81Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 8, 2018 |
| Grant date | Oct 5, 2021 |
| Priority date | — |
| Expiry date | May 16, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01M2220/30
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A security tag including: a housing and circuitry which detects a locked state, the circuitry configured to execute a signal transfer function responsive to interchanging a pin and a lanyard in the circuitry, and/or the housing including a replaceable battery compartment locked by inserting either the pin or the lanyard into a lock mechanism which differently secures the pin and the lanyard; and an alarm, in communication with the circuitry, triggered by an undisarmed breach of the locked state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.