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Class Information
Number: 327/484
Name: Miscellaneous active electrical nonlinear devices, circuits, and systems > Gating (i.e., switching input to output) > Utilizing three or more electrode solid-state device > Bipolar transistor > Plural > Opposite conductively (i.e., complementary)
Description: Subject matter wherein transistors of the npn and pnp type are present in the same circuit.










Sub-classes under this class:

Class Number Class Name Patents
327/485 Control circuit in cascade 15
327/486 Control circuit in totem pole 5


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8415988 Clock driver for a capacitance clock input Apr. 9, 2013
6992521 Switch in bipolar technology Jan. 31, 2006
6992524 Quiescent current control circuit for high-power amplifiers Jan. 31, 2006
6924694 Switch circuit Aug. 2, 2005
6898745 Integrated device with operativity testing May. 24, 2005
6642772 Function circuit that is less prone to be affected by temperature Nov. 4, 2003
6529063 Thermally stable cascode Mar. 4, 2003
6307419 High frequency bipolar switching transistor Oct. 23, 2001
6225839 Buffer circuit May. 1, 2001
6204652 Voltage regulating system for electrical loads in a motor vehicle Mar. 20, 2001
6154069 Circuit for driving capacitive load Nov. 28, 2000
5869995 Output stage having a high disabled output impedance and a low power integrated back buffer to provide disabled output device protection Feb. 9, 1999
5834964 Lateral PNP fast turn-on circuit Nov. 10, 1998
5751171 Predriver for fast current switching through a two-terminal inductive load May. 12, 1998
5640110 Current supply circuit Jun. 17, 1997
5616971 Power switching circuit Apr. 1, 1997
5585749 High current driver providing battery overload protection Dec. 17, 1996
5578950 Low voltage indicator with a self-biased driver circuit Nov. 26, 1996
5563547 Single switch PTO enabler Oct. 8, 1996
5552741 High impedance common-emitter amplifier stage Sep. 3, 1996
5546045 Rail to rail operational amplifier output stage Aug. 13, 1996
5546043 Circuit arrangement for driving an MOS field-effect transistor Aug. 13, 1996
5539352 Low power voltage input circuit with high noise immunity and fast operating time Jul. 23, 1996
5459425 Signal processing circuit with voltage limiting function Oct. 17, 1995
5455533 Transducer circuit with adjustable output impedance Oct. 3, 1995
5438693 R. F. mixer Aug. 1, 1995
5430400 Driver circuits for IC tester Jul. 4, 1995
5424665 Power transistor driving circuit Jun. 13, 1995
5418834 Maintenance termination units May. 23, 1995
5365240 Efficient driving circuit for large-current radiator Nov. 15, 1994
5341038 Error detector circuit for indication of low supply voltage Aug. 23, 1994
5302859 Symmetric, high speed, voltage switching circuit possessing reverse voltage application immunity Apr. 12, 1994
5296765 Driver circuit for sinking current to two supply voltages Mar. 22, 1994
5289048 Analog multiplexer circuit having an active load circuit functioning commonly for a plurality of bipolar differential amplifying input circuits Feb. 22, 1994
5245222 Method and apparatus for buffering electrical signals Sep. 14, 1993
5235224 Current detecting circuit using pulse transformer Aug. 10, 1993
5227670 Electronic switch with very low dynamic "on" resistance utilizing an OP-AMP Jul. 13, 1993
5218236 Output circuit having an integrated circuit with a plurality of output transistors connected to an external elements Jun. 8, 1993
5179293 Bipolar output stage switching circuit Jan. 12, 1993
5144169 Operational amplifier circuit Sep. 1, 1992
5111061 Driving circuit for semiconductor element May. 5, 1992
5107134 Matrix circuit of FM stereo multiplex demodulation circuit Apr. 21, 1992
5012129 Line driver Apr. 30, 1991
5006736 Control circuit for rapid gate discharge Apr. 9, 1991
4994694 Complementary composite PNP transistor Feb. 19, 1991
4962346 Transitory current recirculation through a power switching transistor driving an inductive load Oct. 9, 1990
4956570 Pilot circuit with integrated circuit with preset firing delay for MOS power transistors Sep. 11, 1990
4945266 Composite semiconductor device Jul. 31, 1990
4944002 Current switch for use in telephony systems or the like Jul. 24, 1990
4924341 Transient protector May. 8, 1990

1 2 3










 
 
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