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3. The
2N2222 has found widespread use in a variety of circuit applications,
including the critical area of cardiac pacing. The excellent reliability
and overall performance capabilities of the 2N2222 have resulted in the use
of this device in numerous cardiac related patents.
References:
A) The US Trademark and Patent Office website is an excellent source for exploring the use of the
2N2222.
http://www.uspto.gov
Shown below is a
section of one specific cardiac pacer patent (3,867,949) that uses a
2N2222. Additional patents referencing the 2N2222 for critical cardiac
applications are shown by patent number. Hundreds of 2N2222 application
patents have been filed over the past 30 years.
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SAVING
LIVES WITH THE 2N2222
Shown at left is a section
of the circuit described in patent 3,867,949 – this is a critical care use
of the 2N2222. Shown below are a few of the many patents that have used
the 2N2222 in similar life-saving applications.
4,038,991
4,049,004
4,041,953
4,730,389
4,751,726
4,791,935
4,807,629
4,813,421
5,573,012
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