Telephonic communications – Special services – Reserved call
Patent
1997-07-03
1998-10-20
Cumming, William
Telephonic communications
Special services
Reserved call
455405, H04Q 738
Patent
active
058258647
ABSTRACT:
The Personal Automatic Registration System (PARS) is a system of electronic circuits which have been designed to recognize a signal the presence or absence of a designated object or person within a specific area. The basic system consists of a transportable transmitter unit and one or more fixed base stations, or receivers.
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McGraw Thomas F.
Mitulla Jeffrey A.
Woll Richard S.
Cumming William
Scientific and Commercial Systems Corporation
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