Apparatus and method of making a secure call
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United States of America Patent
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-
Oct 13, 2009
Grant Date -
Aug 22, 2002
app pub date -
Dec 10, 2001
filing date -
Dec 8, 2000
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A system of operating a wireless handset capable of making clear and secure calls is claimed. A secure call may be made by pressing a key for a predetermined amount of time. The handset enters a secure mode if the key is held for a time period greater than the predetermined amount of time. The handset enters a clear mode if the key is held for a time period less than the predetermined amount of time.
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