Electronic house arrest system having officer safety reporting feature
US5189395A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | May 10, 1991 |
| Grant date | Feb 23, 1993 |
| Priority date | — |
| Expiry date | May 10, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B21/22
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
An electronic house arrest monitoring (EHAM) system allows a monitoring officer, charged with the responsibility of making periodic and/or random physical checks with individuals whose presence at specific locations is being electronically monitored through the EHAM system, to immediately and silently report to a central monitoring location that backup help or assistance is needed at the monitoring location. The EHAM system includes an in-house monitoring unit (IMU) installed at or positioned near specific monitoring locations, that electronically monitors the specific monitoring location for the presence of a unique identifying signal, periodically transmitted from an electronic tag worn by a monitored individual. Telecommunicative contact is periodically and/or randomly established between the central monitoring location and the IMU. The monitoring office carries a small pocket transmitter. If the officer senses danger or otherwise needs backup assistance at or near a monitored location, the office siliently activates a transmit switch on the pocket transmitter that causes a "needs assistance" signal to be transmitted. The "needs assistance" signal is received by the IMU and imme…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.