Blind spot determination
US10033457B2 · kind B2 · utility
1Cited by
1References
16Claims
0Family size
Inventors
Key dates
| Filing date | Jan 22, 2014 |
| Grant date | Jul 24, 2018 |
| Priority date | — |
| Expiry date | Jan 22, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B21/0261
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A method comprising maintaining (A, B), by a device (6), communication with a monitoring unit (7); determining, by the device, an absence of communication from the monitoring unit; based at least on a result of said determining, starting monitoring (F) of at least one variable related to distance moved by the device and/or time elapsed; if the at least one variable meets at least one criterion, determining that the absence of communication from the monitoring unit is not due to a blind spot. A device securely attachable to a person (5) may be configured to carry out this method, which may be user in offender monitoring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.