Boots – shoes – and leggings
Patent
1990-03-07
1991-06-25
Harkcom, Gary V.
Boots, shoes, and leggings
340573, 34082536, G06F 100, G08B 2300, G08B 522
Patent
active
050273140
ABSTRACT:
A system and method for tracking a number of subjects in a plurality of areas is shown to include a plurality of transmitters, wherein at least one transmitter is associated with each subject, each transmitter transmits a light based signal representative of an identifying code unique to that transmitter, a plurality of receivers, wherein at least one receiver is associated with each area, each receiver converts transmitted light based signals to electrical signals and validates the electrical signal to determine whether such electrical signals are representative of the unique identifying codes associated with the transmitters, and a central processing member, connected to each of the receivers, for recording those electrical signals which are representative of the unique identifying codes for recording the receiver which determined that such electrical signals are representative of the unique identifying codes associated with the transmitters and for determining in which area the transmitter is actually located.
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Duncan Wayne
Linwood Gary
Harkcom Gary V.
Merecki John A.
United Manufacturing Co., Inc.
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