Machine security systems
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United States of America Patent
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Aug 20, 1996
Issued Date -
N/A
app pub date -
Apr 6, 1995
filing date -
Sep 24, 1979
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A system and method are provided for enabling machine operations. In particular, the invention includes an electronic device that senses or scans one or more physical characteristic of a person about to operate a machine and generates signals indicative of such physical characteristic(s), which signals are automatically analyzed and compared with signals stored in a memory to generate control signals for enabling the operation of the machine. In a particular form of the invention, both the presence of a person at a machine and an identifying characteristic of such person are sensed and used to enable the operation of the machine.
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