Amplifiers – With semiconductor amplifying device – Integrated circuits
Reexamination Certificate
2008-06-17
2008-06-17
Choe, Henry K (Department: 2817)
Amplifiers
With semiconductor amplifying device
Integrated circuits
C330S146000
Reexamination Certificate
active
07388434
ABSTRACT:
In a BTL amplifier of the present invention, between first and third transistor parts which are laterally adjacent, directions of semiconductor regions are parallel. Between the first and second transistor parts and the third and fourth transistor parts, each which are longitudinally adjacent, directions of semiconductor regions are perpendicular. The first and the third transistor parts are connected to a power supply terminal through a first wire. The second and the fourth transistor parts are connected to a ground terminal through a second wire. The first and the second transistor parts are connected to a first output terminal through a third wire. The third and the fourth transistor parts are connected to a second output terminal through a fourth wire.
REFERENCES:
patent: 4355287 (1982-10-01), Hoover
patent: 4910477 (1990-03-01), Gross
patent: 5600575 (1997-02-01), Anticole
patent: 6005438 (1999-12-01), Shing
patent: 61-142763 (1986-06-01), None
patent: 2-132838 (1990-05-01), None
Fujii Keiichi
Yamamoto Makoto
Choe Henry K
Matsushita Electric - Industrial Co., Ltd.
Wenderoth , Lind & Ponack, L.L.P.
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