The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 12, 1991
Filed:
Apr. 26, 1989
Lon A Williamson, Westchester, OH (US);
Frank C Pennypacker, Loveland, OH (US);
Donald W Collier, Chicago, IL (US);
Kip L Fuller, Denver, CO (US);
Guardian Technologies, Inc., Cincinnati, OH (US);
Abstract
A remote confinement system provides a plurality of different unsupervised tests to determine the presence, identity or conduct of the prisoner. The tests preferably include an RF test performed continuously with an RF transmitter attached to the prisoner and a receiver at the remote location, a schedulable voice test performed to identify a person as the specified prisoner, and a breath alcohol test to determine the prisoner's sobriety. The tests are performed with equipment at the remote location in accordance with test selections and schedules selected in a prior automated communication with a central office computer. Events which include test results are communicated to the central office upon a selectively established communications link to the central office, in reply to which communication information selecting subsequent tests procedures or scheduling is communicated from the host to and stored at the remote location. The information communicated from the host includes an identification code for the transmitter attached to the specified prisoner. The RF test generates a message for transmission to the central unit when the prisoner enters or leaves the remote location, but sounds a warning if the signal is lost and delays transmission of the message to allow the prisoner to return following his departure.